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355 Research Parkway Meriden, CT 06450 T (203) 630-1406 F (203) 630-2615 www.blcompanies.com An Employee-Owned Company TASK 210 – SUBSURFACE SITE INVESTIGATION REPORT CONNECTICUT DEPARTMENT OF TRANSPORTATION YANKEE DOODLE BRIDGE I-95 OVER NORWALK RIVER NORWALK, CONNECTICUT Prepared for: Connecticut Department of Transportation Division of Environmental Compliance P.O. Box 317546 Newington, Connecticut 06131 Prepared by: BL Companies, Inc. 355 Research Parkway Meriden, Connecticut 06450 BL Companies Project Number 14EC0048 ConnDOT Project No. 102-348 Assignment No. 314-5361 August 2017

TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

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Page 1: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

355 Research Parkway ▪ Meriden, CT 06450 ▪ T (203) 630-1406 ▪ F (203) 630-2615 ▪ www.blcompanies.com

An Employee-Owned Company

TASK 210 – SUBSURFACE SITE INVESTIGATION REPORT

CONNECTICUT DEPARTMENT OF TRANSPORTATION

YANKEE DOODLE BRIDGE

I-95 OVER NORWALK RIVER

NORWALK, CONNECTICUT

Prepared for:

Connecticut Department of Transportation

Division of Environmental Compliance

P.O. Box 317546

Newington, Connecticut 06131

Prepared by:

BL Companies, Inc.

355 Research Parkway

Meriden, Connecticut 06450

BL Companies Project Number 14EC0048

ConnDOT Project No. 102-348

Assignment No. 314-5361

August 2017

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This report was prepared by the individuals listed below. Any questions or comments regarding

the information provided herein should be directed to these individuals.

Prepared by:

Joy P. Kloss, LEP, CHMM

Project Manager

Reviewed by:

Aaron L. Silva, LEP

Project Manager

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Task 210 – Subsurface Site Investigation -i- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

TABLE OF CONTENTS

1.0 INTRODUCTION ............................................................................................................. 1

1.1 BACKGROUND AND PURPOSE ............................................................................................. 1

1.2 SCOPE OF WORK ................................................................................................................. 1

2.0 LOCAL ENVIRONMENT AND RECEPTORS ............................................................ 3

2.1 SURFICIAL GEOLOGY .......................................................................................................... 3

2.2 BEDROCK GEOLOGY ........................................................................................................... 3

2.3 GROUNDWATER .................................................................................................................. 3

2.4 SURFACE WATER ................................................................................................................ 3

3.0 FIELD INVESTIGATION AND SAMPLING METHODS .......................................... 4

3.1 BORING INSTALLATION AND SAMPLING ............................................................................. 4

3.2 STORMWATER SAMPLING ................................................................................................... 4

4.0 REGULATORY CRITERIA ............................................................................................ 6

4.1 CTDEEP RSR SOIL CRITERIA ............................................................................................ 6

4.2 STORMWATER CRITERIA ..................................................................................................... 7

5.0 SUMMARY AND EVALUATION OF ANALYTICAL DATA .................................... 8

5.1 SOIL SAMPLE ANALYTICAL RESULTS ................................................................................. 8

5.2 STORMWATER SAMPLE ANALYTICAL RESULTS ............................................................... 10

5.3 QUALITY ASSURANCE (QA)/QUALITY CONTROL (QC) RESULTS .................................... 10

6.0 POTENTIAL SOURCES OF CONTAMINATION AND RECEPTORS .................. 12

7.0 CONCLUSIONS AND RECOMMENDATIONS ......................................................... 13

8.0 LIMITATIONS ................................................................................................................ 14

9.0 REFERENCES ................................................................................................................. 15

APPENDIX A – FIGURES

Figure 1 Site Location Map

ENV-01 Site Investigation Plan

ENV-02 Site Investigation Plan

APPENDIX B – TABLES

Table 1 Sample Location Rationale and Selected Analyses

Table 2 Soil Analytical Results

Table 3 Stormwater Analytical Results

APPENDIX C – BORING LOGS

APPENDIX D – STORMWATER SAMPLING DATA SHEETS

APPENDIX E – LABORATORY ANALYTICAL REPORTS

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Task 210 – Subsurface Site Investigation -1- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

1.0 INTRODUCTION

BL Companies was retained by the State of Connecticut Department of Transportation

(ConnDOT) to conduct a Task 210 Subsurface Site Investigation (SSI) in support of ConnDOT

Project No. 102-348, Yankee Doodle Bridge; I-95 over Norwalk River project in Norwalk,

Connecticut. This report provides a brief description and history of the project area, a discussion

of the local environment and receptors, the investigation rationale, a summary of the data

obtained during the investigation, an interpretation of the results with respect to the appropriate

regulatory criteria, and recommendations.

1.1 Background and Purpose

The project is located at I-95 where it crosses the Norwalk River and includes drainage

improvements on the western and eastern sides of Yankee Doodle Bridge. The site’s location

and pertinent features are depicted on the enclosed Site Location Map (Figure 1) and Site

Investigation Plans (ENV-01 and ENV-02).

The purpose of this Task 210 SSI is (1) to attain soil data to evaluate whether the proposed

construction activities require management of contaminated soil, and (2) to monitor stormwater

conditions at two outfalls to determine compliance with the Department of Energy and

Environmental Protection (DEEP) General Permit for Discharge of Stormwater from DOT

Separate Storm Sewer Systems (ConnDOT’s MS4 General Permit), Section 6(i).

1.2 Scope of Work

The scope of work included the following tasks:

• Pre-drilling activities (1) mark proposed drilling locations, (2) contact Call-Before-

You-Dig to request mark outs of subsurface utilities and review existing utility plans,

and (3) meet on-site to discuss proposed drilling locations with representatives of

ConnDOT and other utility companies/agencies, if necessary;

• Completion of nine borings SB-1 through SB-9 on the western side to depths ranging

from 5 to 15 feet below grade (ftbg) using a Geoprobe direct push rig or hand auger;

• Completion of three borings SB-19 to SB-21 on the eastern side to a depth of 1 ftbg

using a hand auger;

• Recording lithology and field screening soil samples with a photoionization detector

(PID);

• Collection and laboratory analysis of up to two soil samples per boring for the

following:

o Volatile Organic Compounds (VOCs) by EPA Method 8260;

o Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270;

o Extractable Total Petroleum Hydrocarbons (ETPH) by CT ETPH Method;

o Total RCRA 8 Metals by EPA Methods 6010/ 7471;

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Task 210 – Subsurface Site Investigation -2- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

o Leachable RCRA 8 Metals using the synthetic precipitation leachate

procedure (SPLP);

o Leachable RCRA 8 Metals using the toxicity characteristic leaching

procedure (TCLP);

o Polychlorinated Biphenyls (PCBs) by EPA Method 8082; and

o Pesticides by EPA Method 8081.

• Collection and laboratory analysis of stormwater samples from two outfalls, one

located west of Hendricks Avenue within the wetland area, and one east of Hendricks

Avenue, which discharges to a swale for parameters specified in the ConnDOT’s

MS4 General Permit, Section 6(i).

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Task 210 – Subsurface Site Investigation -3- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

2.0 LOCAL ENVIRONMENT AND RECEPTORS

2.1 Surficial Geology

According to the "Surficial Materials Map of Connecticut", dated 1992, surficial materials within

the project area consist of sand overlying gravel. Based on observations during boring

installation, surficial materials consist of light to dark brown fine to coarse sand, with varying

amounts of silt, fine to coarse gravel, and cobbles. Fill material consisting of brick, glass,

asphalt, and/or plastic was observed in borings HA-1, SB-3, SB-4, SB-19, and SB-21 and

composite samples DP-1W and DP-1E, collected from the existing on-site stockpile. Boring

logs are included as Appendix C.

2.2 Bedrock Geology

According to the “Bedrock Geological Map of Connecticut”, dated 1985, the project area

contains two types of bedrock, the Trap Falls Formation schist and Ordovician granitic gneiss.

Trap Falls Formation is described as a gray to silvery, partly rusty-weathering, medium-grained

schist. Ordovician granitic gneiss is described as a light-colored, foliated granitic gneiss.

2.3 Groundwater

Based on a review of the Water Quality Classifications Map for Norwalk, Connecticut, dated

November 2016, the project area has been designated by Department of Energy and

Environmental Protection (DEEP) as “GB” quality. The GB classification indicates that

groundwater within the project area is not suitable for human consumption without treatment.

Based on the presence of the Norwalk River, the general direction of groundwater flow is

inferred to be west/southwest for the eastern portion of the project and east/southeast on the

western portion of the project.

2.4 Surface Water

The Norwalk River is located within the project area and is classified as “SB” surface water

body, per the above-referenced DEEP map. Class SB surface waters are designated for use as

marine fish, shellfish and wildlife habitat, shellfish harvesting for transfer to approved areas for

purification prior to human consumption, recreation, industrial and other legitimate uses

including navigation.

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Task 210 – Subsurface Site Investigation -4- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

3.0 FIELD INVESTIGATION AND SAMPLING METHODS

This Task 210 SSI included the advancement of 12 borings and collection and laboratory

analysis of 14 discrete soil samples, two composite soil samples, and three stormwater samples,

two from outfalls and one from a bridge scupper. The boring, composite samples, and

stormwater sample locations are depicted on ENV-01 and ENV-02.

Soil samples were analyzed for regulated constituents of concern associated with the roadway

and nearby property uses. Stormwater samples were analyzed for parameters specified the

ConnDOT MS4 permit. Table 1 in Appendix B provides a summary of the sampling rationale

and the laboratory analyses requested for each soil and stormwater sample. The following

sections summarize the field investigation and sampling methodologies used during this

investigation.

3.1 Boring Installation and Sampling

On April 19, 2017, three soil borings, identified as SB-19 through SB-21, were advanced on the

eastern side using a hand auger to a depth of 1 ftbg. On July 12, 2017, eight soil borings,

identified as SB-1 through SB-8, were advanced on the western side using a track-mounted

Geoprobe direct-push drill rig to depths ranging from 2 to 5 ftbg. Soil samples were obtained

continuously during advancement of the borings using a 2-inch diameter, 5-foot long, thin-

walled sampling device equipped with disposable acetate liners.

Due to limited access with the Geoprobe drill rig, one soil boring identified as HA-1 was

advanced utilizing a hand auger to a depth of 2 ftbg. Additionally, two composite soil samples,

identified as DP-1W and DP-1E, were collected from the eastern and western sides of the

existing stockpile.

A PID equipped with a 10.6 eV bulb and calibrated to isobutylene standard gas (100 parts per

million (ppm)) was utilized to detect estimated quantities of total VOCs in vapor emitted from

the soil. The results of the PID screening ranged from 0.0 to 16 ppm and are provided on the

boring logs in Appendix C. The highest PID concentrations were detected in soil borings SB-2,

SB-3, and SB-4. A faint petroleum odor was also observed in boring SB-3 between 3 and 5 ftbg.

The samples were submitted under proper chain of custody to SGS Accutest Laboratories New

England (Accutest) of Marlborough, Massachusetts, a State of Connecticut Department of Public

Health certified environmental testing laboratory.

3.2 Stormwater Sampling

On December 29, 2016, BL Companies collected stormwater samples from two outfalls, Outfall

#1, located west of Hendricks Avenue within the wetland area, and Outfall #2, located east of

Hendricks Avenue, which discharges to a swale. On January 17, 2017, a stormwater sample was

collected from a randomly selected scupper on the eastern side of the bridge. Stormwater

samples were collected from discharges resulting from any rain storm within the first six hours

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Task 210 – Subsurface Site Investigation -5- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

of the event and at least 48 hours after the previous rain storm event that had produced a

discharge from the outfall.

For each monitoring event, BL Companies recorded the following information on stormwater

sampling data sheets, included as Appendix D:

• Date, temperature, start time of discharge, time of sampling, and magnitude (in inches)

of the rain event

• Duration between rain event sampled and the end of the previous measurable (greater

than 0.1-inch rainfall) rain event.

Stormwater samples were collected directly into pre-preserved sample containers provided by

the laboratory and submitted under proper chain of custody to Phoenix Environmental

Laboratories, Inc., a State of Connecticut Department of Public Health certified environmental

testing laboratory. Samples were analyzed for fecal coliform, Enterococci, total nitrogen, and

phosphorus.

Since Outfall #1 discharges directly to the Norwalk River, an impaired surface water, BL

Companies measured turbidity at this outfall and at an in-stream location immediately upstream

or otherwise outside the influence of the outfall. If the outfall sample was more than 5

Nephelometric Turbidity Units (NTU) greater than the in-stream sample, the outfall was to be

sampled for additional parameters for which the receiving water body has been listed as

impaired. Since the turbidity was 3.34 NTU at Outfall #1 and 4.66 NTU upstream of Outfall #1,

the outfall was not sampled for additional parameters.

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Task 210 – Subsurface Site Investigation -6- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

4.0 REGULATORY CRITERIA

The soil analytical results were compared to the numeric criteria listed in the Connecticut DEEP

Remediation Standard Regulations (RSRs), sections 22a-133k-1 through 22a-133k-3 of the

Regulations of Connecticut State Agencies, dated June 2013, and compared to the published

2015 numeric criteria for additional polluting substances not promulgated in the June 2013

RSRs. The RSRs were developed by the DEEP to define the remediation performance standards

for soil and groundwater to be protective of human health and the environment. The RSRs apply

specifically to sites at which remedial actions are required by the DEEP under Chapters 445 or

446k of the Connecticut General Statutes (CGS) such as under an administrative order, a transfer

of an establishment under CGS Section 22a-134a, and sites that are enrolled in the Voluntary

Remediation Program under CGS Sections 22a-133x or 22a-133y.

Currently, the Site is not regulated under any of the above State statutes; however, BL

Companies used the numeric criteria stated above as guidelines to evaluate concentrations of

regulated compounds detected in sediment and soil for proper materials management during

construction. DEEP defines polluted soil as containing any substance at a concentration above

the analytical detection limit. Contaminated soil is defined as any substance whose

concentration exceeds the numeric criteria of the RSRs. Both classifications require special

handling, re-use, and disposal requirements.

Stormwater analytical results were compared to the screening and monitoring criteria established

under ConnDOT’s MS4 General Permit. The following sections provide a summary of the soil

and stormwater criteria utilized during this Task 210 SSI.

4.1 CTDEEP RSR Soil Criteria

Direct Exposure Criteria (DEC)

The DEC are designed to protect human health from risks associated with exposure to pollutants

in contaminated soil within 15 feet of the ground surface.

The RSRs provide two sets of DEC, one for residential land use (RES DEC) and another for

industrial/commercial land use (I/C DEC). The CTDEEP RSRs define “residential activity”

under CGS Section 22a-133k-1(a) to include any activity related to a residence or dwelling, or to

a school, hospital, day care center, playground, or outdoor recreation area. Remediation to the

RES DEC is required unless an ELUR is recorded that restricts residential use. Land-use for the

project area is industrial/commercial; however, BL Companies compared the soil analytical

results to both the RES DEC and I/C DEC to evaluate proper materials management and

potential for reuse.

Pollutant Mobility Criteria (PMC)

The PMC are designed to protect groundwater quality by reducing or eliminating the potential

for migration of pollutants to groundwater from contaminated soil. The RSRs provide two sets

of PMC based on the groundwater classification of the Site, as designated by DEEP. The project

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Task 210 – Subsurface Site Investigation -7- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

is in a “GB” designated area. Therefore, soil analytical results were compared to the GB PMC,

which apply to soil located from the ground surface to the depth of the seasonal high water table.

4.2 Stormwater Criteria

Screening Limits Established in General Permit for Discharge of Stormwater from DOT

Separate Storm Sewer Systems (ConnDOT’s MS4 General Permit), Section 6(i)

Screening limits established under ConnDOT’s MS4 General Permit apply to outfalls, identified

by ConnDOT, that discharge to impacted waters, as identified in Section 6(k) of the General

Permit. Since the Norwalk River is an impaired surface water, BL Companies compared the

stormwater analytical results to the screening limits listed in Section 6(i) to evaluate compliance

with the ConnDOT’s MS4 General Permit.

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Task 210 – Subsurface Site Investigation -8- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

5.0 SUMMARY AND EVALUATION OF ANALYTICAL DATA

5.1 Soil Sample Analytical Results

Soil samples were analyzed for VOCs by EPA Method 8260, PAHs by EPA Method 8270,

ETPH by CT ETPH Method, PCBs by EPA Method 8082, pesticides by EPA Method 8081, and

total RCRA 8 metals. Select samples were also analyzed for either SPLP RCRA 8 metals or

TCLP RCRA 8 metals. Soil analytical results are summarized in Table 2 in Appendix B along

with the regulatory criteria. Analytical laboratory reports are included in Appendix E.

VOCs

Low-level VOCs, including acetone, benzene, 2-butanone (MEK), 1,1-dichloroethane, cis-1,2-

dichloroethene, and/or toluene, were detected at concentrations below the RSR criteria in soil

samples SB-3 (3-5’) and SB-4 (2.5-5’). Acetone was also detected at low concentrations below

RSR criteria in soil samples SB-5 (0-2.5’) and SB-20 (0-1’). Acetone and MEK common

laboratory contaminants. VOCs were not detected in any other samples.

PAHs

PAHs were detected at concentrations above the RSR criteria in soil samples DP-1W, DP-1E,

SB-1 (0-2’), SB-3 (0-2’), SB-3 (3-5’), SB-4 (0-2.5’), SB-4 (2.5-5’), SB-5 (0-2.5’), SB-6 (0-2’),

SB-7 (0-5’), SB-8 (0-2’), and SB-21 (0-1’). PAHs were detected at concentrations below the

RSR criteria in soil samples HA-1 (0-2’), SB-2 (0-2’), SB-19 (0-1’), and SB-20 (0-1’).

ETPH

ETPH was detected at concentrations above the RES DEC, I/C DEC, and GB PMC in soil

sample SB-3 (3-5’). ETPH was detected at concentrations above the RES DEC in soil samples

DP-1E, SB-1 (0-2’), SB-2 (0-2’), SB-3 (0-2’), SB-4 (0-2.5’), and SB-4 (2.5-5’). ETPH was

detected in all remaining samples at concentrations below the RSR criteria.

Total Metals

• Arsenic was detected in SB-3 (3-5’) and SB-4 (2.5-5’) at concentrations of 10.5 mg/kg

and 13.5 milligrams per kilogram (mg/kg), respectively, exceeding the DEC. Arsenic

was detected in all remaining samples at concentrations ranging from 2.6 to 8.2 mg/kg,

which are below the DEC.

• Barium was detected in all samples at concentrations ranging from 33.9 to 295 mg/kg,

which are below the RES DEC and I/C DEC.

• Cadmium was detected in nine soil samples at concentrations ranging from 0.57 to 3.5

mg/kg, which are below the RES DEC and I/C DEC.

• Chromium was detected in all samples at concentrations ranging from 9.9 to 81.1

mg/kg, which are below the RES DEC and I/C DEC.

• Lead was detected in SB-3 (3-5’) and SB-4 (2.5-5’) at a concentration of 654 mg/kg in

both samples, exceeding the RES DEC. Lead was detected in all the remaining samples

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State Project No. 102-348; Assignment No. 314-5361

at concentrations ranging from 33.9 to 338 mg/kg, which are below the RES DEC and

I/C DEC.

• Mercury was detected in 15 soil samples at concentrations ranging from 0.058 to 0.85

mg/kg, which are below the RES DEC and I/C DEC.

• Silver was detected in four soil samples at concentrations ranging from 0.78 to 2.2

mg/kg, which are below the RES DEC and I/C DEC.

• Selenium was not detected in any samples.

SPLP Metals

Soil samples DP-1W, DP-1E, HA-1 (0-2’), SB-1 (0-2’), SB-2 (0-2’), SB-3 (0-2’), SB-3 (3-5’),

SB-4 (0-2.5’), SB-4 (2.5-5’), SB-5 (0-2.5’), SB-6 (0-2’), SB-7 (0-5’), and SB-8 (0-2’) were

analyzed for SPLP RCRA 8 metals.

• SPLP lead was detected in six soil samples at concentrations ranging from 0.0216 to

0.0504 mg/L, which are below the GB PMC.

• SPLP arsenic, barium, cadmium, chromium, mercury, selenium, and silver were not

detected in any samples.

TCLP Metals

Soil samples SB-19 (0-1’), SB-20 (0-1’), and SB-21 (0-1’) were analyzed for TCLP RCRA 8

metals. Soil samples SB-3 (3-5’) and SB-4 (2.5-5’) were analyzed for TCLP lead only.

• TCLP cadmium was detected in soil samples SB-19 (0-1’) and SB-20 (0-1’) at

concentrations below the GB PMC.

• TCLP lead was detected in soil samples SB-3 (3-5’), SB-4 (2.5-5’), SB-19 (0-1’), and

SB-20 (0-1’) at concentrations exceeding the GB PMC.

• TCLP arsenic, barium, chromium, mercury, selenium, and silver were not detected in

the select samples analyzed.

PCBs

Total PCBs were detected in sample SB-3 (3-5’) at a concentration exceeding the RES DEC.

PCBs were detected in 12 other soil samples at concentrations ranging from 0.068 to 0.523

mg/kg, which are below the RES DEC. All concentrations are below the I/C DEC.

Pesticides

• Dieldrin was detected in soil sample SB-7 (0-5’) at a concentration above the GB PMC,

but below the RES DEC and I/C DEC.

• 4,4’-DDD was detected in soil sample SB-3 (3-5’) at a concentration above the RES

DEC and GB PMC, but below I/C DEC. 4,4’-DDD was detected in soil sample SB-4

(0-2.5’) at a concentration above the GB PMC, but below the RES DEC and I/C DEC.

4,4’-DDD was detected in soil samples SB-3 (0-2’) and SB-4 (2.5-5’) at concentrations

below the RSR criteria.

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• 4,4’-DDE was detected in soil sample SB-7 (0-5’) at a concentration below the RSR

criteria.

• 4,4’-DDT was detected in soil samples SB-3 (3-5’), SB-7 (0-5’), and SB-19 (0-1’) at

concentrations above the GB PMC, but below the RES DEC and I/C DEC. 4,4’-DDT

was detected in seven other soil samples at concentrations below the RSR criteria.

5.2 Stormwater Sample Analytical Results

Three stormwater samples, identified as Outfall #1, Outfall #2, and Scupper, were submitted for

laboratory analysis of fecal coliform, enterococci, total nitrogen, and phosphorus during this

Task 210 SSI. Stormwater analytical results in comparison to the ConnDOT MS4 General

Permit screening limits are summarized in Table 3 in Appendix B. The stormwater analytical

laboratory reports are included in Appendix E.

Fecal Coliform

Fecal coliform was detected in all stormwater samples at concentrations ranging from 60 to

>2,000 col/100 mL. The samples collected from Outfall #2 and the scupper are above the

General Permit screening limit of 260 col/100 mL.

Enterococci Bacteria

Enterococci bacteria was detected in all stormwater samples at concentrations ranging from 26 to

2,850 col/100 mL. The sample collected from Outfall #2 is above the General Permit screening

limit of 500 col/100 mL.

Total Nitrogen

Total nitrogen was detected in all stormwater samples at concentrations ranging from 4.06 to

11.9 mg/L, which are above the General Permit screening limit of 2.5 mg/L.

Phosphorus

Phosphorus was detected in all stormwater samples at concentrations ranging from 0.165 to

0.221 mg/L, which are below the General Permit screening limit of 0.3 mg/L.

5.3 Quality Assurance (QA)/Quality Control (QC) Results

All samples were analyzed using the DEEP Reasonable Confidence Protocol (RCP), where

applicable, and meet the RCP requirements. BL Companies also reviewed the laboratory RCP

Certification Report to evaluate the reliability of the analytical data. The case narratives do not

indicate any non-conformances that would affect the usability of the data.

A trip blank sample was prepared at the laboratory and accompanied the sample containers

during transport to evaluate the potential for cross-contamination from the surrounding

environment during transport. The trip blank sample was analyzed for VOCs. Acetone was

detected at a low concentration below applicable RSR criteria. Acetone was not identified as a

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contaminant of concern for the Site and is a common laboratory contaminant. Therefore, the

usability of this data was not affected.

A duplicate soil sample was collected from one randomly selected soil sample location, SB-8 (0-

2’), to evaluate the accuracy of the laboratory analytical data, measured as Relative Percent

Difference (RPD) as defined by the DEEP Laboratory Quality Assurance and Quality Control

Guidance Document, dated May 2009, revised December 2010. The duplicate was analyzed for

VOCs, PAHs, ETPH, PCBs, pesticides, total and SPLP RCRA 8 metals. The following duplicate

results were outside the 50 RPD acceptable limit for non-aqueous samples:

• Several PAHs were detected in the original sample at concentrations above RSR criteria,

but were detected at lower concentrations in the duplicate sample. The average RPD for

PAHs was 152.39, which indicated this soil sample had a high degree of heterogeneity,

typical of fill.

• ETPH, 4,4’-DDT, total chromium, lead and mercury concentrations resulted in a RPD’s

ranging from 56.58 to 100.75, greater than the acceptable RPD of 50 for non-aqueous

samples. These results indicate the soil sample had a high degree of heterogeneity,

typical of fill.

Since this data will be used to determine soil management during construction, the usability of

this data is not affected.

Page 15: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Task 210 – Subsurface Site Investigation -12- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

6.0 POTENTIAL SOURCES OF CONTAMINATION AND RECEPTORS

The following provides a summary of the potential sources of soil contamination identified

during completion of this Task 210 SSI and an evaluation of potential pathways for migration

within the project area. Additionally, stormwater results are summarized in comparison to the

MS4 General Permit Screening Limits.

AOEC-1 (Site Wide) – Contaminated Soil in the Vicinity of Borings DP-1W, and DP-1E, B-

1, SB-2, SB-4 through SB-8, SB-19, SB-20, and SB-21

ETPH, PAHs, pesticides, and metals (arsenic and lead) were detected at concentrations

exceeding RSR criteria in soil samples collected at depths ranging from 0 to 5 ftbg. Therefore,

any soil removed should be reused onsite within this area or handled as controlled material. The

source of the ETPH, PAHs, pesticides, and metals appears to be associated with fill material

placed adjacent to the river and historical upstream manufacturing discharges and releases on the

western side and urban runoff from adjacent roadways or nearby property uses on the eastern

side.

Proposed work includes drainage improvements including the installation of stormwater treatment

basins. Potential receptors of the impacted soil include workers involved in the construction

activities.

PCB AOEC – Contaminated Soil in the Vicinity of Borings SB-3

ETPH, PAHs, PCBs, pesticides, and metals (arsenic and lead) were detected at concentrations

exceeding RSR criteria in soil samples collected at depths ranging from 0 to 5 ftbg. In addition,

PCBs were detected at a concentration greater than 1 mg/kg. Therefore, any soil removed from

the vicinity of boring SB-3 should be handled and managed as PCB waste. The source of the

ETPH, PAHs, PCBs, pesticides, and metals may be associated with fill material placed adjacent

to the river and historical upstream manufacturing discharges and releases.

Proposed work includes installation of a stormwater treatment basin. Potential receptors of the

impacted soil/sediment include workers involved in the construction activities.

Stormwater at Outfall #1, Outfall #2, and Bridge Scupper

Fecal coliform was detected from Outfall #2 and the Scupper locations at concentrations above

the General Permit screening limit. Additionally, Enterococci bacteria was detected from Outfall

#2 above the General Permit screening limit. Total nitrogen was detected in all stormwater

samples at concentrations above the General Permit screening limit.

Page 16: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Task 210 – Subsurface Site Investigation -13- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

7.0 CONCLUSIONS AND RECOMMENDATIONS

Based on the analytical data collected by BL Companies, the following was identified within the

project area:

• Soil containing PAHs, ETPH, pesticides, and metals (arsenic and lead) at

concentrations above RSR criteria, and therefore should be handled and managed as

contaminated material.

• Soil containing PCBs exceeding 1 mg/kg as well as PAHs, ETPH, and metals (arsenic

and lead) at concentrations above RSR criteria, and therefore should be handled and

managed as PCB waste.

Based on the results of this Task 210 SSI, BL Companies recommends that a Task 310 – Plans,

Specifications, and Estimates be assigned to prepare plans and specifications for the proper

management and/or disposal of contaminated materials (soil) that may be reused, removed,

handled, transported, or disposed during construction activities and for the establishment of

appropriate worker health and safety protocols.

Additionally, stormwater results indicated the presence of contaminants exceeding the Screening

Limits Established in General Permit for Discharge of Stormwater from DOT Separate Storm

Sewer Systems (ConnDOT’s MS4 General Permit, Section 6(i)(1)(A-C)). In accordance with

Section 6(i)(1)(D) of the permit, follow-up investigation and evaluation are required for drainage

areas associated with the outfalls identified as potentially contributing to an impairment.

Page 17: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Task 210 – Subsurface Site Investigation -14- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

8.0 LIMITATIONS

The conclusions stated above are based solely on the information described in this report. The

data and observations generated during this investigation reflect the conditions found on the

project site on the dates and at the locations specified. Where visual observations are included in

the report, they represent conditions at the time of investigation, and may not be indicative of

past or future conditions. The data cannot be extrapolated to locations on the site that were not

tested, or to compounds for which tests were not conducted.

Latent conditions and other information may become evident in the future based on currently

unavailable evidence. BL Companies assumes no responsibility for such conditions or for the

inspection, engineering, or repair that might be required to discover or correct such factors.

Should such evidence arise, it should be forwarded to BL Companies so that additional

conclusions and recommendations may be evaluated as necessary.

This report has been completed solely for the benefit and individual use of the client. No part

thereof, nor any copy of the same, shall be used for any purpose by anyone other than the client.

No disclosure or reliance of this report may be made without the prior written consent of BL

Companies.

Page 18: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Task 210 – Subsurface Site Investigation -15- Project No.14EC0048

Yankee Doodle Bridge; I-95 over Norwalk River August 2017

State Project No. 102-348; Assignment No. 314-5361

9.0 REFERENCES

1. State of Connecticut Department of Energy and Environmental Protection (CTDEEP),

Remediation Standard Regulations, Sections 22a-133k-1 through –3 of the Regulations of

Connecticut State Agencies, June 2013.

2. CTDEEP, “Water Quality Classifications Map of Norwalk”, November 2016.

3. CTDEEP, “Recommended Numeric Criteria for Common Additional Polluting Substances

and Certain Alternative Criteria”, December 10, 2015.

4. State of Connecticut Department of Transportation, Division of Environmental Compliance,

“On-Call Contaminated Soil/Groundwater Scopes” manual, dated 2010.

5. Rogers, John, USGS, “Bedrock Geological Map of Connecticut”, dated 1985.

6. Stone, J., USGS, “Surficial Materials Map of Connecticut”, dated 1992.

Page 19: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

APPENDIX A

FIGURES

Figure 1 – Site Location Map

ENV-01 – Site Investigation Plan

ENV-02 – Site Investigation Plan

Page 20: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

FIGURE 1

SITE LOCATION MAP

Yankee Doodle Bridge I-95 over Norwalk River

Norwalk, CT

Base map is a reproduction of the U.S.G.S. 7.5 Minute

Project No. 14EC0048

SITE

LOCATION

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Page 22: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided
Page 23: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

APPENDIX B

TABLES

Table 1 – Sample Location Rationale and Selected Analyses

Table 2 – Soil Analytical Results

Table 3 – Stormwater Analytical Results

Page 24: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Table 1

Sample Location Rationale and Selected Analyses

Yankee Doodle Bridge

95 Over Norwalk River

Norwalk, Connecticut

ConnDOT Project No. 102-348

Sample

IdentificationMatrix

Sample

IntervalLocation Rationale

VOCs

(8260)

SVOCs

(8270)ETPH

PCBs

(8082)

Pesticides

(8081)

Total

RCRA 8

Metals

SPLP

RCRA 8

Metals

TCLP

RCRA 8

Metals

DP-1W Soil Composite Western side of bridge; existing stockpile X X X X X X X

DP-1E Soil Composite Western side of bridge; existing stockpile X X X X X X X

HA-1 Soil 0-2'Western side of bridge; proposed stormwater

drainage improvementsX X X X X X X

SB-1 Soil 0-2'Western side of bridge; western portion of

proposed stormwater treatment basinX X X X X X X

SB-2 Soil 0-2'Western side of bridge; western portion of

proposed stormwater treatment basinX X X X X X X

0-2' X X X X X X X

3-5' X X X X X X X *Pb only

0-2.5' X X X X X X X

2.5-5' X X X X X X X *Pb only

SB-5 Soil 0-2.5'Western side of bridge; eastern portion of

proposed stormwater treatment basinX X X X X X X

SB-6 Soil 0-2'Western side of bridge;eastern portion of

proposed stormwater treatment basinX X X X X X X

SB-7 Soil 0-5'Western side of bridge; eastern portion of

proposed stormwater treatment basinX X X X X X X

SB-8 Soil 0-2'Western side of bridge; eastern portion of

proposed stormwater treatment basinX X X X X X X

SB-19 Soil 0-1'Eastern side of bridge; proposed stormwater

treatment basinX X X X X X X

SB-20 Soil 0-1'Eastern side of bridge; proposed stormwater

treatment basinX X X X X X X

SB-21 Soil 0-1'Eastern side of bridge; proposed stormwater

treatment basinX X X X X X X

Sample

IdentificationMatrix

Sample

IntervalLocation Rationale

Outfall #1 Stormwater --

Outfall #2 Stormwater --

Scupper Stormwater --

X

X

SB-3 SoilWestern side of bridge;central portion of

proposed stormwater treatment basin

Phosphorus

X

SB-4 SoilWestern side of bridge; central portion of

proposed stormwater treatment basin

X

X

X

Fecal ColiformEnterococci

BateriaTotal Nitrogen

I-95 Stormwater Discharge location; evaluate

MS4 Compliance

X

X

X

X

X

X

BL Companies Project No. 14EC0048 1 of 1 August 2017

Page 25: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Table 2

Soil Analytical Results

Yankee Doodle Bridge

I-95 Over Norwalk River

Norwalk, Connecticut

ConnDOT Project No. 102-348

DP-1W DP-1E HA-1 (0-2') SB-1 (0-2') SB-2 (0-2') SB-3 (0-2') SB-3 (3-5') SB-4 (0-2.5') SB-4 (2.5-5') SB-5 (0-2.5') SB-6 (0-2') SB-7 (0-5') SB-8 (0-2')SB-8 (0-2')

DuplicateSB-19 (0-1') SB-20 (0-1') SB-21 (0-1') Trip Blank Trip Blank

7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 7/12/2017 4/19/2017 4/19/2017 4/19/2017 4/19/2017 7/12/2017

500 2,500 2,500 487 616 193 836 859 779 8,710 862 990 321 341 495 205 102 237 163 331 NA NA

VOCs (mg/kg)

Acetone 500 1,000 140 ND ND ND ND ND ND 0.0735 ND 0.055 0.01 ND ND ND ND ND 0.0122 ND 0.0175 ND

Benzene 21 200 0.2 ND ND ND ND ND ND ND ND 0.00039 ND ND ND ND ND ND ND ND ND ND

2-Butanone (MEK) 500 1,000 80 ND ND ND ND ND ND 0.0145 ND 0.0104 ND ND ND ND ND ND ND ND ND ND

1,1-Dichloroethane 500 1,000 14 ND ND ND ND ND ND 0.00077 ND 0.00035 ND ND ND ND ND ND ND ND ND ND

cis-1,2-Dichloroethene 500 1,000 14 ND ND ND ND ND ND ND ND 0.0009 ND ND ND ND ND ND ND ND ND ND

Toluene 500 1,000 67 ND ND ND ND ND ND ND ND 0.0009 ND ND ND ND ND ND ND ND ND ND

PAHs (mg/kg)

2-Methylphenol 1,000* 2,500* 28* ND ND ND ND ND ND 0.252 ND ND ND ND ND ND ND ND ND ND NA NA

3&4-Methylphenol 1,000* 2.500* 24* ND ND ND ND ND ND 8.32 ND 0.538 ND 0.0809 ND ND ND ND ND ND NA NA

Phenol 1,000 2,500 800 ND ND ND ND ND ND 0.552 ND ND ND 0.0551 ND ND ND ND ND ND NA NA

1,000* 2,500* 84 0.143 0.0878 0.0308 1.68 0.0216 0.101 0.842 0.0911 ND ND 1.04 0.164 0.218 ND 0.0573 ND ND NA NA

Acenaphthylene 1,000 2,500 84 0.732 0.561 0.0861 ND 0.343 1.17 0.988 0.336 0.552 0.213 2.19 0.933 0.455 0.0607 0.0576 0.0692 0.25 NA NA

Aniline 110* 1,000* 1.2* ND ND ND ND 0.0657 ND ND ND 0.394 ND ND ND ND ND ND ND ND NA NA

Anthracene 1,000 2,500 400 1.01 0.574 0.118 3.83 0.25 1.24 1.19 0.414 0.583 ND 3.15 1.02 0.841 0.0405 0.164 0.0985 0.262 NA NA

Benzo(a)anthracene 1 7.8 1 2.62 1.52 0.281 9.03 0.51 2.46 1.22 1.02 1.21 1.09 6.06 2.71 1.59 0.118 0.63 0.329 0.989 NA NA

Benzo(a)pyrene 1 1 1 2.64 1.69 0.278 8.52 0.68 2.58 1.67 1.3 1.54 1.14 5.73 3.33 1.48 0.152 0.645 0.352 1.16 NA NA

Benzo(b)fluoranthene 1 7.8 1 2.84 1.83 0.373 10.7 0.861 3.35 2.31 1.57 2 1.37 6.83 4.21 1.77 0.208 0.848 0.475 1.49 NA NA

Benzo(g,h,i)perylene 8.4* 78* 1* 1.81 1.32 0.221 6.11 0.813 1.94 1.54 1.01 1.28 0.94 3.82 2.61 0.985 0.148 0.454 0.27 0.782 NA NA

Benzo(k)fluoranthene 8.4 78 1 1.25 0.786 0.146 3.81 0.331 1.24 0.599 0.468 0.723 0.465 2.41 1.32 0.638 0.0708 0.342 0.19 0.534 NA NA

Carbazole 31* 290* 1* 0.192 0.148 0.0474 1.76 0.0643 0.223 0.418 0.15 0.212 ND 1.64 0.402 0.196 0.0201 ND ND ND NA NA

Chrysene 84* 780* 1* 2.51 1.57 0.314 10.3 0.602 2.56 1.62 1.18 1.37 1.06 6.29 3.26 1.56 0.151 0.691 0.385 1.13 NA NA

Dibenz(a,h)anthracene 1* 1* 1* 0.485 0.348 0.0578 1.64 0.184 0.616 0.347 0.255 0.333 0.228 1.44 0.768 0.266 0.0322 0.114 0.0617 0.206 NA NA

Dibenzofuran 68* 1,000* 1.4* 0.0951 0.0854 0.0427 0.924 0.02 0.103 0.553 0.0744 ND ND 0.777 0.132 0.132 ND ND ND ND NA NA

Di-n-butyl phthalate 1,000 2,500 140 ND ND ND ND ND 0.124 0.317 ND ND ND ND ND ND ND ND ND ND NA NA

Dimethyl phthalate 1,000* 2,500* 200* ND ND ND ND ND ND ND ND ND ND 0.24 ND ND ND ND ND ND NA NA

bis(2-Ethylhexyl)phthalate 44 410 11 ND ND 0.188 ND 0.123 0.169 7.77 1.61 7.41 ND 0.154 0.221 ND 0.171 ND ND ND NA NA

Fluoranthene 1,000 2,500 56 4.66 2.4 0.489 20.1 0.96 4.54 3.38 1.87 2.19 1.69 12.7 5.89 3.26 0.209 1.24 0.632 1.54 NA NA

Fluorene 1,000 2,500 56 0.206 0.155 0.0345 2.05 0.0405 0.183 1.27 0.136 0.206 ND 1.68 0.279 0.311 ND 0.0556 ND 0.043 NA NA

Indeno(1,2,3-cd)pyrene 1* 7.8* 1* 1.87 1.32 0.234 6.16 0.651 1.96 1.4 1 1.26 0.968 3.88 2.65 1.01 0.144 0.507 0.306 0.875 NA NA

2-Methylnaphthalene 270* 1,000* 5.6* 0.0667 0.0798 0.0538 ND 0.0365 0.168 3.35 0.0839 0.332 ND 0.509 0.0658 0.0537 0.0151 ND ND ND NA NA

Naphthalene 1,000 2,500 56 0.143 0.115 0.0404 ND 0.108 0.516 1.45 0.103 0.452 ND 0.37 0.108 0.0542 0.0163 0.0472 ND 0.0381 NA NA

Nitrobenzene 4* 41* 1* ND ND ND ND 0.0849 0.135 ND 0.157 1.12 ND ND ND ND ND ND ND ND NA NA

Phenanthrene 1,000 2,500 40 2.34 1.32 0.39 21 0.413 2.11 4.52 1.21 1.54 0.89 12.9 3.74 3.09 0.109 0.668 0.299 0.562 NA NA

Pyrene 1,000 2,500 40 5 3.12 0.605 23.9 0.943 5.32 4.07 2.01 2.66 2.22 13 6.42 3.97 0.253 1.29 0.687 1.89 NA NA

Total RCRA 8 Metals (mg/kg)

Arsenic 10 10 -- 6.5 8.5 5.4 2.6 4.4 8.2 10.5 4.9 13.9 5.3 4.5 4.9 3.2 5.2 4.6 6.5 5.2 NA NA

Barium 4,700 140,000 -- 114 150 151 33.9 178 254 138 107 295 150 99 96.5 69.6 116 122 131 257 NA NA

Cadmium 34 1,000 -- ND 0.67 ND ND ND 1 2.5 0.65 3.5 0.57 ND 0.98 ND 0.59 ND 0.71 ND NA NA

Chromium, Total 100** 100** -- 37.3 38.8 33.5 9.9 19.5 28.3 46.4 25.4 56.1 28.8 19.6 19.2 16 31.8 57.2 34.8 81.1 NA NA

Lead 400 1,000 -- 116 314 112 33.9 214 232 654 165 654 243 136 338 62.6 112 165 252 134 NA NA

Mercury 20 610 -- 0.29 0.85 0.14 ND 0.2 0.75 0.69 0.18 0.7 0.15 0.15 0.21 0.066 0.2 0.059 0.49 0.058 NA NA

Silver 340 10,000 -- ND ND 1.7 ND ND ND ND ND 2.2 ND 1.4 0.78 ND ND ND ND ND NA NA

SPLP RCRA 8 Metals (mg/L)

Lead -- -- 0.15 ND ND 0.0216 ND 0.0504 0.0254 0.0318 ND ND ND 0.0366 ND ND 0.0237 NA NA NA NA NA

TCLP RCRA 8 Metals (mg/L)

Cadmium -- -- 0.05 NA NA NA NA NA NA NA NA NA NA NA NA NA NA 0.013 0.0069 ND NA NA

Lead -- -- 0.15 NA NA NA NA NA NA 1.1*** NA 0.65*** NA NA NA NA NA 0.19*** 0.3*** 0.13 NA NA

PCBs (mg/kg)

Aroclor 1248 1 10 -- ND ND ND ND ND ND 0.363 ND 0.147 ND ND ND ND ND ND ND ND NA NA

Aroclor 1254 1 10 -- 0.168 0.0499 ND 0.23 0.0495 0.064 0.753 0.0857 0.245 0.164 0.068 0.0606 ND ND 0.0692 0.0298 ND NA NA

Aroclor 1260 1 10 -- 0.0597 0.0323 ND 0.293 0.051 0.0594 0.117 0.0326 0.088 0.0907 ND 0.0291 ND ND 0.0624 0.0435 ND NA NA

Total PCBs 1 10 -- 0.2277 0.0822 ND 0.523 0.1005 0.1234 1.233 0.1183 0.48 0.2547 0.068 0.0897 ND ND 0.1316 0.0733 ND NA NA

Pesticides (mg/kg)

Dieldrin 0.038 0.36 0.007 ND ND ND ND ND ND ND ND ND ND ND 0.0078 ND ND ND ND ND NA NA

4,4' - DDD 1.8* 17* 0.02* ND ND ND ND ND 0.0063 4.4 0.0302 0.0158 ND ND ND ND ND ND ND ND NA NA

4,4' - DDE 1.8* 17* 0.02* ND ND ND ND ND ND ND ND ND ND ND 0.0059 ND ND ND ND ND NA NA

4,4' - DDT 1.8* 17* 0.02* ND 0.0141 ND ND 0.0111 0.0095 0.244 ND 0.0084 ND 0.0192 0.0657 0.0104 ND 0.088 0.0057 ND NA NA

CTDEEP = Connecticut Department of Energy and Environmental Protection NA = Not Analyzed

RSR = Remediation Standard Regulations * = published 2015 numeric criteria for additional polluting substances not established in 2013 RSRs

RES DEC = Residential Direct Exposure Criteria ** = hexavalent chromium criteria

I/C DEC = Industrial-Commercial Direct Exposure Criteria *** = Does not exceeds the EPA Hazardous Regulatory Limit of 5 mg/L.

GB PMC = GB Pollutant Mobility Criteria -- = criteria does not apply

mg/kg = milligrams per kilogram Only detected compounds are listed on table

mg/L = milligrams per liters Shade/Bold

ND = Not detected above laboratory reporting limits

ND < = Not detected (noted when Detection Limit > Criteria)

= Exceeds Numeric Criteria

ETPH (mg/kg)

Acenaphthene

Parameters

CTDEEP RSR

Numeric Criteria

I/C DECRES DEC GB PMC

Concentration of Compound in Sample

BL Companies Project No. 14EC0048 1 of 1 August 2017

Page 26: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Table 3

Stormwater Analytical Results

Yankee Doodle Bridge

I-95 Over Norwalk River

Norwalk, Connecticut

ConnDOT Project No. 102-348

Outfall #1 Outfall #2 Scupper

12/29/2016 12/29/2016 1/17/2017

260 60 >2,000 >2,000

500 26 2,850 272

2.5 4.06 9.21 11.9

NE 0.093 0.696 2.78

NE 0.57 1.76 3.72

NE 3.4 6.75 5.39

0.3 0.191 0.165 0.221

5 3.34 NA NA

* listed in the DEEP General Permit for Discharge of Stormwater from DOT Separate Storm Sewer Systems, Section 6(i)

col/100 mL = coliforms per 100 milliliters

mg/L = milligrams per liter

NTU = Nephelometric Turbidity Units

NA = Not Analyzed

ND = Not Detected above the Laboratory Reporting Detection Limit

NE = None Established

Shade/Bold = Exceeds Screening Limits

Fecal Coliform (col/100 mL)

Enterococci Bacteria (col/100 mL)

Total Nitrogen (mg/L)

Nitrite-N

Nitrate-N

Nitrogen Tot Kjeldahl (TkN)

Concentration of Compound in Sample

Parameters

CTDOT MS4

General Permit

Screening Limits*

Tubidity (NTU)

Phosphorus (mg/L)

BL Companies Project No. 14EC0048 1 of 1 August 2017

Page 27: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

APPENDIX C

BORING LOGS

Page 28: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Brown SILT and fine SAND, little fine to coarse gravel,with trash and plastic.

End of exploration at 2'.

5

10

15

20

25

3.9

Sample collected at 0-2'

bgs.

Duplicate sample

collected.

HA-1

7/12/17

14EC0048

Wesly Johnson

Date:

Borehole Dia: 2 Inches

Drill Rig: NA

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

BL Companies

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

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T\B

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Bo

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og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Wesley Johnson

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Hand Auger

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 29: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Brown fine to coarse SAND, little silt and fine to coarseangular gravel (10").

White crushed ROCK (7").

Light brown fine to coarse SAND, little fine to coarsegravel, trace silt (8").End of exploration at 5'.

5

10

15

20

25

25

0.0

Sample collected 0-2'

bgs.

SB-1

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 30: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Brown fine to coarse SAND, little silt and fine to coarsegravel (12").

Light brown/white fine to coarse SAND and fine to coarseGRAVEL, trace silt (15").

End of exploration at 5'.

5

10

15

20

25

27

13.0

16.0

Sample collected 0-2'

bgs.

SB-2

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 31: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Dark brown SILT, some fine to coarse sand, trace fine tocoarse gravel, with brick (18")

Light brown fine to corase SAND, some silt, trace fine tocoarse gravel (10")Dark brown fine to coarse SAND, some silt, trace fine tocoarse gravel with brick and glass, faint petroleum odor(20")End of exploration at 5'.

5

10

15

20

25

48

2.5

2.9

11.4

Sample collected 0-2'

bgs.

Sample collected 3-5'

bgs.

SB-3

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 32: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Light to dark brown fine to coarse SAND, little silt andfine to coarse gravel, trace cobbles, with brick (42").

End of exploration at 5'.

5

10

15

20

25

42

11.2

0.0

Sample collected 0-2.5'

bgs.

Sample collected 2.5-5'

bgs.

SB-4

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 33: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Dark brown fine to coarse SAND, some silt, trace fine tocoarse gravel, damp (20").

Light brown SILT, little fine to coarse sand and clay, tracecobbles, damp (8").End of exploration at 5'.

5

10

15

20

25

28

4.6

2.2

Sample collected 0-2'

bgs.

SB-5

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 34: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Light brown fine to coarse SAND, trace fine to coarsegravel and silt (21").

Dark brown SILT and fine SAND, trace fine to coarsegravel, last 6" damp (21").

End of exploration at 5'.

5

10

15

20

25

42

8.0

1.4

Sample collected at 0-2'

bgs.

SB-6

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 35: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Brown fine to coarse SAND, trace fine to coarse graveland silt (23").

End of exploration at 5'.

5

10

15

20

25

23

6.6

Sample collected 0-5'

bgs.

SB-7

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 36: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Brown fine to coarse SAND, trace silt and fine to coarsegravel (42").

End of exploration at 5'.

5

10

15

20

25

42

9.8

Sample collected 0-2'

bgs.

SB-8

7/12/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 3.25 Inches

Drill Rig: 6620DT

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

CEI

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

Bo

rin

g L

og

s- 2

01

70

71

2\1

4E

C0

04

8 B

ori

ng

Lo

gs

20

17

.wl2

Jay Rajewski

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Direct Push

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Partly Cloudy 85° F

Boring Co.:

Page 37: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Light brown fine to coarse SAND, little fine to coarserounded gravel, trace silt, with glass and plastic debris.

Refusal at 1'.

5

10

0.0

Sample collected 0-1'

bgs.

SB-19

4/19/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 2 Inches

Drill Rig:

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

BL Companies

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

14

EC

00

48

Bo

rin

g L

og

s 2

01

7.w

l2

Wesley Johnson

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Hand auger

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Overcast 45° F

Boring Co.:

Page 38: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Dark brown fine to medium SAND, little fine to coarserounded gravel, trace silt.

Refusal at 1'.

5

10

0.0

Sample collected 0-1'

bgs.

SB-20

4/19/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 2 Inches

Drill Rig:

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

BL Companies

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

14

EC

00

48

Bo

rin

g L

og

s 2

01

7.w

l2

Wesley Johnson

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Hand auger

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Overcast 45° F

Boring Co.:

Page 39: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Dark brown fine to coarse SAND, some fine to coarserounded gravel, trace silt, with glass debris.

Refusal at 1'.

5

10

0.0

Sample collected 0-1'

bgs.

SB-21

4/19/17

14EC0048

Wesley Johnson

Date:

Borehole Dia: 2 Inches

Drill Rig:

Architecture

Engineering

Logged by: Driller:

Dia

gra

m

Page 1

BL Companies

Gra

ph

ic L

og

DescriptionDep

th (

ft)

Sa

mp

le

Rec

ov

ery

(in

)

Co

mp

leti

on

G:\

JOB

S1

4\1

4E

C\1

4E

C0

04

8\E

NV

IRO

\SIT

E-A

SS

T\B

ori

ng

Lo

gs\

14

EC

00

48

Bo

rin

g L

og

s 2

01

7.w

l2

Wesley Johnson

Remarks

Proportions Used: Trace = 1 to 10%, Little = 10 to 20%, Some = 20 to 30%, And = 30 to 50%

Drill Method: Hand auger

PID

Environmental Science

Land Surveying

BORING LOG Boring No.:

Project No.:

Site Name: Yankee Doodle Bridge

Weather: Overcast 45° F

Boring Co.:

Page 40: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

APPENDIX D

STORMWATER SAMPLING DATA SHEETS

Page 41: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

STORMWATER SAMPLING DATA SHEET Pg. 1 of 1

Date: 12/29/16

Project Name: Yankee Doodle Bridge, 1-95 over Norwalk River

ConnDOT Project Number: 102-348, Assignment No. 314-5361

BL Companies Project Number: 14EC0048

Completed by: Ken Richter

Objective: Collect stormwater samples from two outfalls

Activities/ Remarks:

BL onsite to collect stormwater samples from two outfalls during precipitation event.

• Outside Temp 36 degrees F

• Start of discharge- 10:30 am

• Time of sampling: Outfall #1, 10:55 am. Outfall #2, 10:50 am

• Magnitude of rain: 0.51”

• Previous measurable rain event:12/12/16, 16 days prior to this measurable rain event

• Outfall #1 screening for turbidity 3.34 NTU

• Upstream of Outfall #1 screening for turbidity 4.66 NTU

• No additional analysis needed due to turbidity measurments

• Samples were collected, labeled and secured in a cooler with ice-packs for delivery to

Phoenix Labs in Manchester CT. Chain of custody is filled out for analysis of Fecal

Coliform and Enterococci along with lab screening for Phosphorus and Nitrogen. Due

to the short hold time, the samples were hand delivered and relinquished to Phoenix

Labs on 12/29/16 @ 1:16 pm.

Page 42: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

STORMWATER SAMPLING DATA SHEET Pg. 1 of 1

Date: 1/17/17

Project Name: Yankee Doodle Bridge, 1-95 over Norwalk River

ConnDOT Project Number: 102-348, Assignment No. 314-5361

BL Companies Project Number: 14EC0048

Completed by: Ken Richter

Objective: Collect stormwater sample from scupper

Activities/ Remarks:

BL onsite to collect a stormwater sample from drainage scupper under the northbound lanes

of I-95 during precipitation event.

• Outside Temp 36 degrees F

• Start of discharge- 9:30 am

• Time of sampling: Scupper 10:45 am.

• Magnitude of rain: 0.38”

• Previous measurable rain event: 0.18” on 1/12/16, 5 days prior to this measurable rain

event

• The sample was collected, labeled and secured in a cooler with ice-packs for delivery

to Phoenix Labs in Manchester CT. Chain of custody is filled out for analysis of Fecal

Coliform and Enterococci along with lab screening for Phosphorus and Nitrogen. Due

to the short hold time, the sample was hand delivered and relinquished to Phoenix Labs

on 1/17/17 @ 1:30 pm.

Page 43: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

APPENDIX E

LABORATORY ANALYTICAL REPORTS

Page 44: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BX13568 - BX13569

Thursday, January 05, 2017

Sample ID#s:

Attn: Ms. Joy KlossBL Companies, Inc.355 Research ParkwayMeriden, CT 06450

Project ID: 102-295

Sincerely yours,

Laboratory DirectorPhyllis Shiller

If you have any questions concerning this testing, please do not hesitate to contact Phoenix Client Services at ext. 200.

NELAC - #NY11301CT Lab Registration #PH-0618MA Lab Registration #MA-CT-007ME Lab Registration #CT-007NH Lab Registration #213693-A,B

NJ Lab Registration #CT-003NY Lab Registration #11301PA Lab Registration #68-03530RI Lab Registration #63VT Lab Registration #VT11301

This laboratory is in compliance with the NELAC requirements of procedures used except where indicated.

This report contains results for the parameters tested, under the sampling conditions described on the Chain Of Custody, as received by the laboratory. This report is incomplete unless all pages indicated in the pagination at the bottom of the page are included.

A scanned version of the COC form accompanies the analytical report and is an exact duplicate of the original.

587 East Middle Turnpike, P.O. Box 370, Manchester, CT 06040Telephone (860) 645-1102 Fax (860) 645-0823

Page 1 of 9

Page 45: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Sample Information Custody InformationMatrix:Location Code:Rush Request:P.O.#:

Collected by:Received by:Analyzed by:

SURFACE WATERBLCOMPANIESStandard

12/29/16LBsee "By" below

Laboratory Data

OUTFALL #1

Phoenix ID: BX13568

12/29/1610:5513:16

Parameter ResultRL/PQL Units Date/Time By Reference

FOR: Attn: Ms. Joy KlossBL Companies, Inc.355 Research ParkwayMeriden, CT 06450

Analysis ReportJanuary 05, 2017

Date Time

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG ID: GBX13568

Client ID:Project ID: 102-295

Dilution

26Enterococci Bacteria 10 12/29/16 15:50 CB/CB EnterolertMPN/100 mls 1060Fecal Coliforms 10 12/29/16 15:30 CB/CB SW9222D/100 mls 10

0.093Nitrite-N 0.010 12/29/16 18:54 KD E353.2mg/L 10.57Nitrate-N 0.02 12/29/16 18:54 KD E353.2mg/L 13.40Nitrogen Tot Kjeldahl 0.10 01/03/17 WHM E351.1mg/L 14.06Total Nitrogen 0.10 01/03/17 WHM SM4500NH3/E300.0-97mg/L 1

0.191Phosphorus, as P 0.020 12/30/16 JR SM4500PE-99mg/L 2

Comments:

Total Phosphorus: This sample was received with a pH>2. The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

AmmoniaTKNThis sample was received with a pH>2 The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

Phyllis Shiller, Laboratory DirectorJanuary 05, 2017

If there are any questions regarding this data, please call Phoenix Client Services at extension 200.This report must not be reproduced except in full as defined by the attached chain of custody.

Reviewed and Released by: Maryam Taylor, Project Manager

RL/PQL=Reporting/Practical Quantitation Level ND=Not Detected BRL=Below Reporting Level

Ver 1

Page 2 of 9

Page 46: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Sample Information Custody InformationMatrix:Location Code:Rush Request:P.O.#:

Collected by:Received by:Analyzed by:

SURFACE WATERBLCOMPANIESStandard

12/29/16LBsee "By" below

Laboratory Data

OUTFALL #2

Phoenix ID: BX13569

12/29/1610:5013:16

Parameter ResultRL/PQL Units Date/Time By Reference

FOR: Attn: Ms. Joy KlossBL Companies, Inc.355 Research ParkwayMeriden, CT 06450

Analysis ReportJanuary 05, 2017

Date Time

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG ID: GBX13568

Client ID:Project ID: 102-295

Dilution

2850Enterococci Bacteria 10 12/29/16 15:50 CB/CB EnterolertMPN/100 mls 10>2000Fecal Coliforms 10 12/29/16 15:30 CB/CB SW9222D/100 mls 100.696Nitrite-N 0.020 12/29/16 18:55 KD E353.2mg/L 21.76Nitrate-N 0.04 12/29/16 18:55 KD E353.2mg/L 26.75Nitrogen Tot Kjeldahl 0.10 01/03/17 WHM E351.1mg/L 19.21Total Nitrogen 0.10 01/03/17 WHM SM4500NH3/E300.0-97mg/L 1

0.165Phosphorus, as P 0.010 12/30/16 JR SM4500PE-99mg/L 1

Comments:

Total Phosphorus: This sample was received with a pH>2. The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

AmmoniaTKNThis sample was received with a pH>2 The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

Phyllis Shiller, Laboratory DirectorJanuary 05, 2017

If there are any questions regarding this data, please call Phoenix Client Services at extension 200.This report must not be reproduced except in full as defined by the attached chain of custody.

Reviewed and Released by: Maryam Taylor, Project Manager

RL/PQL=Reporting/Practical Quantitation Level ND=Not Detected BRL=Below Reporting Level

Ver 1

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QA/QC Data

Parameter BlkBlank RL

MS%

MSD%

MSRPD

QA/QC ReportJanuary 05, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX13568

LCS%

DupRPD

LCSD%

LCSRPD

%Rec

Limits

%RPD

LimitsSampleResult

DupResult

QA/QC Batch 371593 (mg/L), QC Sample No: BX12467 (BX13568, BX13569)Nitrogen Tot Kjeldahl 91.0BRL 88.98.90 85 - 115 201.52 1.390.10

QA/QC Batch 371505 (mg/L), QC Sample No: BX13537 (BX13568, BX13569)Nitrate-N 101BRL 99.40 85 - 115 200.91 0.910.02

Nitrite-N 108BRL 94.4NC 85 - 115 20<0.010 <0.010.01

Additional criteria: LCS acceptance range is 85-115%. MS acceptance range is 90-110% for water matrix.

Comment:

QA/QC Batch 371538 (mg/L), QC Sample No: BX13537 (BX13568, BX13569)Phosphorus, as P 96.6BRL 104NC 85 - 115 200.031 0.030.01

Additional: LCS acceptance range is 85-115% MS acceptance range 75-125%.

Comment:

MS - Matrix SpikePhyllis Shiller, Laboratory Director

If there are any questions regarding this data, please call Phoenix Client Services at extension 200.

January 05, 2017MS Dup - Matrix Spike Duplicate

RPD - Relative Percent Difference

LCS - Laboratory Control Sample

LCSD - Laboratory Control Sample Duplicate

NC - No Criteria

Intf - Interference

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Sample Criteria Exceedances ReportThursday, January 05, 2017

Acode Phoenix Analyte CriteriaResult RLSampNoAnalysis

UnitsCriteria

GBX13568 - BLCOMPANIESCriteria: CT: GWP, SWP

RLCriteria

State: CT

#Error*** No Data to Display ***

Phoenix Laboratories does not assume responsibility for the data contained in this report. It is provided as an additional tool to identify requested criteria exceedences. All efforts are made to ensure the accuracy of the data (obtained from appropriate agencies). A lack of exceedence information does not necessarily suggest conformance to the criteria. It is ultimately the site professional's responsibility to determine appropriate compliance.

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Phoenix Environmental Labs, Inc.

Maryam Taylor

Project Manager

YesWere all samples received by the laboratory in a condition consistent with that described on the associated Chain-of-Custody document(s)?

For each analytical method referenced in this laboratory report package, were all specified QA/QC performance criteria followed, including the requirement to explain any criteria falling outside of acceptable guidelines, as specified in the CT DEP method-specific Reasonable Confidence Protocol documents?

No

Were all QA/QC performance criteria specified in the CTDEP Reasonable Confidence Protocol documents achieved?

For each analytical method referenced in this laboratory report package, were results reported for all constituents identified in the method-specific analyte lists presented in the Reasonable Confidence Protocol documents?

I, the undersigned, attest under the pains and penalties of perjury that, to the best of my knowledge and belief and based upon my personal inquiry of those responsible for providing the information contained in this analytical report, such information is accurate and complete.

2

1

4

6

Thursday, January 05, 2017Date:

Notes: For all questions to which the response was "No" (with the exception of question #7), additional information must be provided in an attached narrative. If the answer to question #1, #1A or 1B is "No", the data package does not meet the requirements for "Reasonable Confidence".This form may not be altered and all questions must be answered.

Authorized Signature:

Client: BL Companies, Inc.

Project Number:

Phoenix Environmental Labs, Inc.Laboratory Name:

Project Location:

REASONABLE CONFIDENCE PROTOCOL

102-295

Yes No

Yes No

Yes No

Laboratory Sample ID(s): Sampling Date(s): 12/29/2016

Were samples received at an appropriate temperature (< 6 Degrees C)? 3 Yes No

Yes No

Are project-specific matrix spikes and laboratory duplicates included in the data set? 7 Yes No

Printed Name:

Position:

List RCP Methods Used (e.g., 8260, 8270, et cetera)

YesWere the method specified preservation and holding time requirements met? No 1A

Was the VPH or EPH method conducted without significant modifications (see section 11.3 of respective RCP methods)

1B Yes NoNA

a) Were reporting limits specified or referenced on the chain-of-custody?

b) Were these reporting limits met?

5 Yes No

NA

CTDEP RCP Laboratory Analysis QA/QC Certification Form - November 2007Laboratory Quality Assurance and Quality Control Guidance Reasonable Confidence Protocols

LABORATORY ANALYSIS QA/QC CERTIFICATION FORM

BX13568, BX13569

None

VPH and EPH methods only:

Name of Laboratory

This certification form is to be used for RCP methods only.

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RCP Certification ReportJanuary 05, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX13568

SDG CommentsNo RCP analyses are included with this report. The RCP narrative is provided at the request of the client.

Wet Chemistry AnalysisWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX13568, BX13569BECKMAN DU640 12/30/16-1 Jean Rawling, Chemist 12/30/16

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

QC (Batch Specific):

BX13568, BX13569Batch 371538 (BX13537)

All LCS recoveries were within 85 - 115 with the following exceptions: None.Additional: LCS acceptance range is 85-115% MS acceptance range 75-125%.

LACHATWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX13568, BX13569LACHAT 12/29/16-1 Kyla Davis, Chemist 12/29/16

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

QC (Batch Specific):

BX13568, BX13569Batch 371505 (BX13537)

All LCS recoveries were within 85 - 115 with the following exceptions: None.Additional criteria: LCS acceptance range is 85-115%. MS acceptance range is 90-110% for water matrix.

NITROGENWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX13568, BX13569LACHAT 01/03/17-1 William H. McKernan, Chemist 01/03/17

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

Page 7 of 9

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RCP Certification ReportJanuary 05, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX13568

NITROGEN

QC (Batch Specific):

BX13568, BX13569Batch 371593 (BX12467)

All LCS recoveries were within 85 - 115 with the following exceptions: None.

Temperature NarrationThe samples were received at 5C with cooling initiated.(Note acceptance criteria is above freezing up to 6°C)

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Page 9 of 9

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BX29685

Monday, January 23, 2017

Sample ID#s:

Attn: Ms. Joy KlossBL Companies, Inc.355 Research ParkwayMeriden, CT 06450

Project ID: BL 14EC0048 CONNDOT 102-295

Sincerely yours,

Laboratory DirectorPhyllis Shiller

If you have any questions concerning this testing, please do not hesitate to contact Phoenix Client Services at ext. 200.

NELAC - #NY11301CT Lab Registration #PH-0618MA Lab Registration #MA-CT-007ME Lab Registration #CT-007NH Lab Registration #213693-A,B

NJ Lab Registration #CT-003NY Lab Registration #11301PA Lab Registration #68-03530RI Lab Registration #63VT Lab Registration #VT11301

This laboratory is in compliance with the NELAC requirements of procedures used except where indicated.

This report contains results for the parameters tested, under the sampling conditions described on the Chain Of Custody, as received by the laboratory. This report is incomplete unless all pages indicated in the pagination at the bottom of the page are included.

A scanned version of the COC form accompanies the analytical report and is an exact duplicate of the original.

587 East Middle Turnpike, P.O. Box 370, Manchester, CT 06040Telephone (860) 645-1102 Fax (860) 645-0823

Page 1 of 8

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Sample Information Custody InformationMatrix:Location Code:Rush Request:P.O.#:

Collected by:Received by:Analyzed by:

SURFACE WATERBLCOMPDOTStandard

01/17/17Bsee "By" below

Laboratory Data

SCUPPER

Phoenix ID: BX29685

01/17/1710:4513:30

Parameter ResultRL/PQL Units Date/Time By Reference

FOR: Attn: Ms. Joy KlossBL Companies, Inc.355 Research ParkwayMeriden, CT 06450

Analysis ReportJanuary 23, 2017

Date Time

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG ID: GBX29685

Client ID:Project ID: BL 14EC0048 CONNDOT 102-295

Dilution

272Enterococci Bacteria 10 01/17/17 15:15 CB/CB EnterolertMPN/100 mls 10>2000Fecal Coliforms 10 01/17/17 15:25 CB/CB SW9222D/100 mls 102.78Nitrite-N 0.100 01/17/17 18:39 KD E353.2mg/L 103.72Nitrate-N 0.10 01/17/17 18:46 KD E353.2mg/L 55.39Nitrogen Tot Kjeldahl 0.10 01/19/17 WHM E351.1mg/L 111.9Total Nitrogen 0.10 01/19/17 WHM SM4500NH3/E300.0-97mg/L 1

0.221Phosphorus, as P 0.020 01/17/17 MI SM4500PE-99mg/L 2

Comments:

Total Phosphorus: This sample was received with a pH>2. The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

Ammonia: This sample was received with a pH>2 The EPA requires preservation at time of sampling to a pH of <2. A sample bias can not be ruled out.

Phyllis Shiller, Laboratory DirectorJanuary 23, 2017

If there are any questions regarding this data, please call Phoenix Client Services at extension 200.This report must not be reproduced except in full as defined by the attached chain of custody.

Reviewed and Released by: Ethan Lee, Project Manager

RL/PQL=Reporting/Practical Quantitation Level ND=Not Detected BRL=Below Reporting Level

Ver 1

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QA/QC Data

Parameter BlkBlank RL

MS%

MSD%

MSRPD

QA/QC ReportJanuary 23, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX29685

LCS%

DupRPD

LCSD%

LCSRPD

%Rec

Limits

%RPD

LimitsSampleResult

DupResult

QA/QC Batch 373348 (mg/L), QC Sample No: BX23253 (BX29685)Nitrate-N 111BRL 104NC 85 - 115 20<0.02 <0.020.02

Nitrite-N 106BRL 96.8NC 85 - 115 200.017 0.020.01

Additional criteria: LCS acceptance range is 85-115%. MS acceptance range is 90-110% for water matrix.

Comment:

QA/QC Batch 373290 (mg/L), QC Sample No: BX29489 (BX29685)Phosphorus, as P 95.1BRL 1022.10 85 - 115 204.40 4.310.01

Additional: LCS acceptance range is 85-115% MS acceptance range 75-125%.

Comment:

QA/QC Batch 373376 (mg/L), QC Sample No: BX30104 (BX29685)Nitrogen Tot Kjeldahl 77.6BRL 92.4NC 85 - 115 200.25 0.260.10

MS - Matrix SpikePhyllis Shiller, Laboratory Director

If there are any questions regarding this data, please call Phoenix Client Services at extension 200.

January 23, 2017MS Dup - Matrix Spike Duplicate

RPD - Relative Percent Difference

LCS - Laboratory Control Sample

LCSD - Laboratory Control Sample Duplicate

NC - No Criteria

Intf - Interference

Page 3 of 8

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Sample Criteria Exceedances ReportMonday, January 23, 2017

Acode Phoenix Analyte CriteriaResult RLSampNoAnalysis

UnitsCriteria

GBX29685 - BLCOMPDOTCriteria: CT: GWP, SWP

RLCriteria

State: CT

#Error*** No Data to Display ***

Phoenix Laboratories does not assume responsibility for the data contained in this report. It is provided as an additional tool to identify requested criteria exceedences. All efforts are made to ensure the accuracy of the data (obtained from appropriate agencies). A lack of exceedence information does not necessarily suggest conformance to the criteria. It is ultimately the site professional's responsibility to determine appropriate compliance.

Page 4 of 8

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Phoenix Environmental Labs, Inc.

Ethan Lee

Project Manager

YesWere all samples received by the laboratory in a condition consistent with that described on the associated Chain-of-Custody document(s)?

For each analytical method referenced in this laboratory report package, were all specified QA/QC performance criteria followed, including the requirement to explain any criteria falling outside of acceptable guidelines, as specified in the CT DEP method-specific Reasonable Confidence Protocol documents?

No

Were all QA/QC performance criteria specified in the CTDEP Reasonable Confidence Protocol documents achieved?

For each analytical method referenced in this laboratory report package, were results reported for all constituents identified in the method-specific analyte lists presented in the Reasonable Confidence Protocol documents?

I, the undersigned, attest under the pains and penalties of perjury that, to the best of my knowledge and belief and based upon my personal inquiry of those responsible for providing the information contained in this analytical report, such information is accurate and complete.

2

1

4

6

Monday, January 23, 2017Date:

Notes: For all questions to which the response was "No" (with the exception of question #7), additional information must be provided in an attached narrative. If the answer to question #1, #1A or 1B is "No", the data package does not meet the requirements for "Reasonable Confidence".This form may not be altered and all questions must be answered.

Authorized Signature:

Client: BL Companies, Inc.

Project Number:

Phoenix Environmental Labs, Inc.Laboratory Name:

Project Location:

REASONABLE CONFIDENCE PROTOCOL

BL 14EC0048 CONNDOT 102-295

Yes No

Yes No

Yes No

Laboratory Sample ID(s): Sampling Date(s): 1/17/2017

Were samples received at an appropriate temperature (< 6 Degrees C)? 3 Yes No

Yes No

Are project-specific matrix spikes and laboratory duplicates included in the data set? 7 Yes No

Printed Name:

Position:

List RCP Methods Used (e.g., 8260, 8270, et cetera)

YesWere the method specified preservation and holding time requirements met? No 1A

Was the VPH or EPH method conducted without significant modifications (see section 11.3 of respective RCP methods)

1B Yes NoNA

a) Were reporting limits specified or referenced on the chain-of-custody?

b) Were these reporting limits met?

5 Yes No

NA

CTDEP RCP Laboratory Analysis QA/QC Certification Form - November 2007Laboratory Quality Assurance and Quality Control Guidance Reasonable Confidence Protocols

LABORATORY ANALYSIS QA/QC CERTIFICATION FORM

BX29685

None

VPH and EPH methods only:

Name of Laboratory

This certification form is to be used for RCP methods only.

Page 5 of 8

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RCP Certification ReportJanuary 23, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX29685

SDG CommentsNo RCP analyses are included with this report. The RCP narrative is provided at the request of the client.

Wet Chemistry AnalysisWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX29685BECKMAN DU640 01/17/17-2 Michael Tran, Chemist 01/17/17

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

QC (Batch Specific):

BX29685Batch 373290 (BX29489)

All LCS recoveries were within 85 - 115 with the following exceptions: None.Additional: LCS acceptance range is 85-115% MS acceptance range 75-125%.

LACHATWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX29685LACHAT 01/17/17-2 Kyla Davis, Chemist 01/17/17

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

QC (Batch Specific):

BX29685Batch 373348 (BX23253)

All LCS recoveries were within 85 - 115 with the following exceptions: None.Additional criteria: LCS acceptance range is 85-115%. MS acceptance range is 90-110% for water matrix.

NITROGENWere all QA/QC performance criteria specified in the Reasonable Confidence Protocol documents achieved? Yes.

Instrument:

BX29685LACHAT 01/19/17-1 William H. McKernan, Chemist 01/19/17

The initial calibration met all criteria including a standard run at the reporting level.All method verification standards and blanks met criteria.

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RCP Certification ReportJanuary 23, 2017

587 East Middle Turnpike, P.O.Box 370, Manchester, CT 06045 Tel. (860) 645-1102 Fax (860) 645-0823

Environmental Laboratories, Inc.

SDG I.D.: GBX29685

NITROGEN

QC (Batch Specific):

BX29685Batch 373376 (BX30104)

All LCS recoveries were within 85 - 115 with the following exceptions: None.

Temperature NarrationThe samples in this delivery group were received at 2°C.(Note acceptance criteria is above freezing up to 6°C)

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Page 8 of 8

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07/27/17

Technical Report for

BL Companies

Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

14EC0048

SGS Accutest Job Number: JC46946R

Sampling Date: 07/12/17

Report to:

BL Companies355 research ParkwayMeriden, CT [email protected]

ATTN: Joy Kloss

Total number of pages in report:

Certifications: NJ(12129), NY(10983), CA, CT, FL, IL, IN, KS, KY, LA, MA, MD, ME, MN, NC,

OH VAP (CL0056), AK (UST-103), AZ (AZ0786), PA, RI, SC, TX, UT, VA, WV, DoD ELAP (L-A-B L2248)

This report shall not be reproduced, except in its entirety, without the written approval of SGS Accutest.

Test results relate only to samples analyzed.

New Jersey • 2235 Route 130 • Dayton, NJ 08810 • tel: 732-329-0200 • fax: 732-329-3499 • http://www.accutest.com

Test results contained within this data package meet the requirements

of the National Environmental Laboratory Accreditation Program

and/or state specific certification programs as applicable.

Client Service contact: Tammy McCloskey 732-329-0200

Nancy ColeLaboratory Director

New Jersey 07/27/17

e-Hardcopy 2.0Automated Report

25

SGS Accutest is the sole authority for authorizing edits or modifications to this document.Unauthorized modification of this report is strictly prohibited.Review standard terms at: http://www.sgs.com/en/terms-and-conditions

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Table of Contents-1-

Sections:

Section 1: Sample Summary ................................................................................................... 3Section 2: Case Narrative/Conformance Summary .............................................................. 4Section 3: Summary of Hits .................................................................................................... 5Section 4: Sample Results ........................................................................................................ 6

4.1: JC46946-4R: SB-3 3-5' ................................................................................................. 74.2: JC46946-6R: SB-4 2.5-5' .............................................................................................. 8

Section 5: Misc. Forms ............................................................................................................ 95.1: Chain of Custody ........................................................................................................... 105.2: RCP Form ...................................................................................................................... 145.3: Sample Tracking Chronicle ........................................................................................... 155.4: QC Evaluation: CT RCP Limits .................................................................................... 16

Section 6: Metals Analysis - QC Data Summaries ................................................................ 176.1: Prep QC MP2111: Pb ..................................................................................................... 18

12

34

56

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SGS Accutest

Sample Summary

BL CompaniesJob No: JC46946R

Yankee Doodle Bridge, 1 Science Road, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

JC46946-4R 07/12/17 09:25 WJ 07/13/17 SO Soil SB-3 3-5'

JC46946-6R 07/12/17 09:45 WJ 07/13/17 SO Soil SB-4 2.5-5'

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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On 07/13/2017, 2 Sample(s), 0 Trip Blank(s) and 0 Field Blank(s) were received at SGS Accutest at a maximum corrected temperature of 4.3 C. Samples were intact and chemically preserved, unless noted below. A SGS Accutest Job Number of JC46946R was assigned to the project. Laboratory sample ID, client sample ID and dates of sample collection are detailed in the report’s Results Summary Section.

Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the analytical results and QC summary pages.

Client: BL Companies

Site: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

Job No JC46946R

Report Date 7/27/2017 4:33:00 PM

CASE NARRATIVE / CONFORMANCE SUMMARY

Metals By Method SW846 6010CMatrix: LEACHATE Batch ID: MP2111

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) JC47629-1ASDL were used as the QC samples for metals.

MP2111-MB2 for Lead: All reported results <RL or >10x MB value.

SGS Accutest certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced to specifications meeting the Quality System precision, accuracy and completeness objectives except as noted.

Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.

SGS Accutest is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety. Data release is authorized by SGS Accutest indicated via signature on the report cover

Thursday, July 27, 2017 Page 1 of 1

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Summary of Hits Page 1 of 1 Job Number: JC46946RAccount: BL CompaniesProject: Yankee Doodle Bridge, 1 Science Road, Norwalk, CTCollected: 07/12/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

JC46946-4R SB-3 3-5'

Lead 1.1 0.015 mg/l SW846 6010C

JC46946-6R SB-4 2.5-5'

Lead 0.65 0.015 mg/l SW846 6010C

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SGS Accutest

Sample Results

Report of Analysis

New JerseySection 4

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-3 3-5' Lab Sample ID: JC46946-4R Date Sampled: 07/12/17 Matrix: SO - Soil Date Received: 07/13/17

Percent Solids: 90.1 Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Lead 1.1 D008 5.0 0.015 mg/l 5 07/26/17 07/27/17 PP SW846 6010C 1 SW846 3010A 2

(1) Instrument QC Batch: MA42491(2) Prep QC Batch: MP2111

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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44.1

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 2.5-5' Lab Sample ID: JC46946-6R Date Sampled: 07/12/17 Matrix: SO - Soil Date Received: 07/13/17

Percent Solids: 86.2 Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Lead 0.65 D008 5.0 0.015 mg/l 5 07/26/17 07/27/17 PP SW846 6010C 1 SW846 3010A 2

(1) Instrument QC Batch: MA42491(2) Prep QC Batch: MP2111

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Misc. Forms

Custody Documents and Other Forms

Includes the following where applicable:

• Chain of Custody• RCP Form• Sample Tracking Chronicle• QC Evaluation: CT RCP Limits

New JerseySection 5

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JC46946R: Chain of CustodyPage 1 of 4

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JC46946R: Chain of CustodyPage 2 of 4

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Job Number: JC46946 Client:

Date / Time Received: 7/13/2017 11:20:00 AM Delivery Method:

Project:

4. No. Coolers: 1

Airbill #'s:

Cooler Security

1. Custody Seals Present:

Y or N

2. Custody Seals Intact:

3. COC Present:

4. Smpl Dates/Time OK

2. Cooler temp verification:

Cooler Temperature Y or N

1. Temp criteria achieved:

3. Cooler media:

IR Gun

Ice (Bag)

Quality Control Preservation Y or N N/A

1. Trip Blank present / cooler:

2. Trip Blank listed on COC:

3. Samples preserved properly:

4. VOCs headspace free:

Sample Integrity - Documentation Y or N

1. Sample labels present on bottles:

2. Container labeling complete:

3. Sample container label / COC agree:

Sample Integrity - Condition Y or N

1. Sample recvd within HT:

3. Condition of sample:

2. All containers accounted for:

Sample Integrity - Instructions

1. Analysis requested is clear:

2. Bottles received for unspecified tests

3. Sufficient volume recvd for analysis:

4. Compositing instructions clear:

5. Filtering instructions clear:

Intact

Y or N

Comments

Y or N N/A

Cooler Temps (Raw Measured) °C:

Cooler Temps (Corrected) °C:

Cooler 1: (3.0);

Cooler 1: (4.3);

SM089-02Rev. Date 12/1/16

SGS Accutest Sample Receipt Summary

JC46946R: Chain of CustodyPage 3 of 4

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JC46946R: Chain of CustodyPage 4 of 4

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Laboratory Name: Client:

Project Location: Project Number:

Sampling Date(s):

Laboratory Sample ID(s):

Methods:

1 Yes No

1A Yes No

1B Yes No

NA

2 Yes No

3 Yes No

4 Yes No

5 Yes No

Yes No

6 Yes No

7 Yes No

Authorized

Signature: Position: Lab Director

Printed Name: gNancy Cole Date:

Mid-Atlantic Laboratory

Are project-specific matrix spikes and laboratory duplicates included in this

data set?

Note: For all questions to which the response was "No" (with the exception of question #7), additional

information must be provided in an attached narrative. If the answer to question #1, #1A or #1B is "No", the

data package does not meet the requirements for "Reasonable Confidence".

I, the undersigned, attest under pains and penalties of perjury that, to the best of my knowledge and belief

and based upon my personal inquiry of those responsible for providing the information contained in this

analytical report, such information is accurate and complete.

Reza Tand

7/27/2017

Were all samples received by the laboratory in a condition consistent with

that described on the associated chain-of-custody document(s)?

Were samples received at an appropriate temperature (<6° C)?

Were all QA/QC performance criteria specified in the CTDEP Reasonable

Confidence Protocol documents achieved?

a) Were reporting limits specified or referenced on the chain-of-custody?

b) Were these reporting limits met?

For each analytical method referenced in this laboratory report package,

were results reported for all constituents identified in the method-specific

analyte lists presented in the Reasonable Confidence Protocol documents?

7/12/2017

JC46946-4R, JC46946-6R

EPA 160.3 M, SW846 6010C

For each analytical method referenced in this laboratory report package, were all

specified QA/QC performance criteria followed, including the requirement to explain any

criteria falling outside of acceptable guidelines, as specified in the CTDEP method-

specific Reasonable Confidence Protocol

documents)?

Where all the method specified preservation and holding time requirements met?

VPH and EPH mehods only: Was the VPH or EPH method conducted without

significant modifications (See section 11.3 of respective methods)

Reasonable Confidence Protocol

Laboratory Analysis

QA/QC Certification Form

Accutest New England BL Companies

Yankee Doodle Bridge, 1 Science Road,

Norwalk, CT14EC0048

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: JC46946R

Yankee Doodle Bridge, 1 Science Road, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

JC46946-4RCollected: 12-JUL-17 09:25 By: WJ Received: 13-JUL-17 By: DDHSB-3 3-5'

JC46946-4RSW846 6010C 27-JUL-17 01:50 PP 26-JUL-17 DP EPB

JC46946-6RCollected: 12-JUL-17 09:45 By: WJ Received: 13-JUL-17 By: DDHSB-4 2.5-5'

JC46946-6RSW846 6010C 27-JUL-17 01:53 PP 26-JUL-17 DP EPB

Page 1 of 1

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QC Evaluation: CT RCP Limits Page 1 of 1 Job Number: JC46946RAccount: BL CompaniesProject: Yankee Doodle Bridge, 1 Science Road, Norwalk, CTCollected: 07/12/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

No Exceptions found.

* Sample used for QC is not from job JC46946R

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SGS Accutest

Metals Analysis

QC Data Summaries

Includes the following where applicable:

• Method Blank Summaries• Matrix Spike and Duplicate Summaries• Blank Spike and Lab Control Sample Summaries• Serial Dilution Summaries

New JerseySection 6

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17 07/26/17

MB MB Metal RL IDL MDL raw final raw final

Aluminum 1.0 .052 .17

Antimony 0.50 .009 .022

Arsenic 0.50 .014 .014

Barium 1.0 .0015 .0063

Beryllium 0.025 .00025 .002

Bismuth 0.10 .0085 .025

Boron 0.50 .0085 .067

Cadmium 0.025 .002 .0035

Calcium 10 .18 .14

Chromium 0.050 .0025 .0043

Cobalt 0.25 .002 .0036

Copper 0.050 .0025 .016

Iron 0.50 .016 .16

Lead 0.015 .008 .013 0.0066 <0.015 0.0079 <0.015(a

Lithium 0.25 .011 .076

Magnesium 10 .1 .32

Manganese 0.075 .0005 .0021

Molybdenum 0.10 .0035 .007

Nickel 0.050 .0025 .0067

Potassium 10 .2 1.2

Selenium 0.50 .017 .033

Silicon 1.0 .016 .22

Silver 0.050 .0015 .016

Sodium 10 .096 .64

Strontium 0.050 .0005 .0015

Sulfur 0.25 .044 .075

Thallium 0.50 .008 .0082

Tin 0.050 .0065 .012

Titanium 0.050 .0045 .0092

Tungsten 0.25 .011 .071

Vanadium 0.25 .002 .0064

Zinc 0.10 .007 .002

Zirconium 0.050 .001 .01

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17 07/26/17

MB MB Metal RL IDL MDL raw final raw final

Associated samples MP2111: JC46946-4R, JC46946-6R

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) All reported results <RL or >10x MB value.

_________________________________________________________________________________________________________

Page 2

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17 07/26/17

BSP Spikelot QC BSD Spikelot BSD QC Metal Result MPSPK2 % Rec Limits Result MPSPK2 % Rec RPD Limit

Aluminum

Antimony

Arsenic anr

Barium anr

Beryllium

Bismuth

Boron

Cadmium anr

Calcium

Chromium anr

Cobalt

Copper

Iron

Lead 2.1 2.0 105.0 80-120 2.1 2.0 105.0 0.0 20

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Potassium

Selenium anr

Silicon

Silver anr

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

Zirconium

_________________________________________________________________________________________________________

Page 1

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17 07/26/17

BSP Spikelot QC BSD Spikelot BSD QC Metal Result MPSPK2 % Rec Limits Result MPSPK2 % Rec RPD Limit

Associated samples MP2111: JC46946-4R, JC46946-6R

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic anr

Barium anr

Beryllium

Bismuth

Boron

Cadmium anr

Calcium

Chromium anr

Cobalt

Copper

Iron

Lead 2.1 2.0 105.0 80-120

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Potassium

Selenium anr

Silicon

Silver anr

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

Zirconium

_________________________________________________________________________________________________________

Page 3

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 07/26/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Associated samples MP2111: JC46946-4R, JC46946-6R

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 4

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SERIAL DILUTION RESULTS SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 07/26/17

JC47629-1A QC Metal Original SDL 5:25 %DIF Limits

Aluminum

Antimony

Arsenic anr

Barium anr

Beryllium

Bismuth

Boron

Cadmium anr

Calcium

Chromium anr

Cobalt

Copper

Iron

Lead 487 503 3.3 0-10

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Potassium

Selenium anr

Silicon

Silver anr

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

Zirconium

_________________________________________________________________________________________________________

Page 1

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SERIAL DILUTION RESULTS SUMMARY

Login Number: JC46946R Account: BLCTM - BL Companies

Project: Yankee Doodle Bridge, 1 Science Road, Norwalk, CT

QC Batch ID: MP2111 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 07/26/17

JC47629-1A QC Metal Original SDL 5:25 %DIF Limits

Associated samples MP2111: JC46946-4R, JC46946-6R

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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04/28/17

Technical Report for

BL Companies

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

14EC0048

SGS Accutest Job Number: MC50199

Sampling Dates: 04/18/17 - 04/19/17

Report to:

BL Companies355 Research ParkwayMeriden, CT [email protected]

ATTN: Joy Kloss

Total number of pages in report:

Certifications: MA (M-MA136,SW846 NELAC) CT (PH-0109) NH (250210) RI (00071) FL (E87579)

NJ (MA926) PA (6801121) LA (AI171119) ND (R-188) NC (653) IL (002337) WI (399080220)

DoD ELAP (L-A-B L2235)

This report shall not be reproduced, except in its entirety, without the written approval of SGS Accutest.

Test results relate only to samples analyzed.

New England • 50 D'Angelo Drive • Building 1 • Marlborough, MA 01752 • tel: 508-481-6200 • fax: 508-481-7753 • http://www.accutest.com

Test results contained within this data package meet the requirements

of the National Environmental Laboratory Accreditation Program

and/or state specific certification programs as applicable.

Client Service contact: Jeremy Vienneau 508-481-6200

H. (Brad) MadadianLab Director

New England 04/28/17

e-Hardcopy 2.0Automated Report

566

SGS Accutest is the sole authority for authorizing edits or modifications to this document.Unauthorized modification of this report is strictly prohibited.Review standard terms at: http://www.sgs.com/en/terms-and-conditions

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J. Kloss BL Companies
Text Box
SB-19, SB-20, and SB-21 only
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Table of Contents-1-

Sections:

Section 1: Sample Summary ................................................................................................... 5Section 2: Case Narrative/Conformance Summary .............................................................. 10Section 3: Summary of Hits .................................................................................................... 22Section 4: Sample Results ........................................................................................................ 41

4.1: MC50199-1: SB-1 0-1 .................................................................................................. 424.2: MC50199-1A: SB-1 0-1 ............................................................................................... 514.3: MC50199-2: SB-2 0-2 .................................................................................................. 524.4: MC50199-2A: SB-2 0-2 ............................................................................................... 614.5: MC50199-3: SB-2 2-3 .................................................................................................. 624.6: MC50199-3A: SB-2 2-3 ............................................................................................... 714.7: MC50199-4: SB-3 0-1 .................................................................................................. 724.8: MC50199-4A: SB-3 0-1 ............................................................................................... 814.9: MC50199-5: SB-4 0-1 .................................................................................................. 824.10: MC50199-5A: SB-4 0-1 ............................................................................................. 914.11: MC50199-6: SB-5 0-1 ................................................................................................ 924.12: MC50199-6A: SB-5 0-1 ............................................................................................. 1014.13: MC50199-7: SB-6 0-2 ................................................................................................ 1024.14: MC50199-7A: SB-6 0-2 ............................................................................................. 1114.15: MC50199-8: SB-6 2-3 ................................................................................................ 1124.16: MC50199-8A: SB-6 2-3 ............................................................................................. 1214.17: MC50199-9: SB-9 0-1.5 ............................................................................................. 1224.18: MC50199-9A: SB-9 0-1.5 .......................................................................................... 1314.19: MC50199-10: SB-9 1.5-3 ........................................................................................... 1324.20: MC50199-10A: SB-9 1.5-3 ........................................................................................ 1414.21: MC50199-11: SB-10 0-1.5 ......................................................................................... 1424.22: MC50199-11A: SB-10 0-1.5 ...................................................................................... 1514.23: MC50199-12: SB-14 0-1.5 ......................................................................................... 1524.24: MC50199-12A: SB-14 0-1.5 ...................................................................................... 1614.25: MC50199-13: SB-14 1.6-3 ......................................................................................... 1624.26: MC50199-13A: SB-14 1.6-3 ...................................................................................... 1714.27: MC50199-14: SB-16 0-1 ............................................................................................ 1724.28: MC50199-14A: SB-16 0-1 ......................................................................................... 1814.29: MC50199-15: SB-17 0-1.5 ......................................................................................... 1824.30: MC50199-15A: SB-17 0-1.5 ...................................................................................... 1914.31: MC50199-16: SB-17 1.5-3 ......................................................................................... 1924.32: MC50199-16A: SB-17 1.5-3 ...................................................................................... 2014.33: MC50199-17: SB-18 0-1.5 ......................................................................................... 2024.34: MC50199-17A: SB-18 0-1.5 ...................................................................................... 2114.35: MC50199-18: SB-18 1.5-3 ......................................................................................... 2124.36: MC50199-18A: SB-18 1.5-3 ...................................................................................... 2214.37: MC50199-19: SB-10 1.5-3 ......................................................................................... 2224.38: MC50199-19A: SB-10 1.5-3 ...................................................................................... 231

12

34

56

78

910

11

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Table of Contents-2-

Sections:

4.39: MC50199-20: SB-7 0-1 .............................................................................................. 2324.40: MC50199-20A: SB-7 0-1 ........................................................................................... 2414.41: MC50199-21: SB-8 0-1 .............................................................................................. 2424.42: MC50199-21A: SB-8 0-1 ........................................................................................... 2514.43: MC50199-22: SB-11 0-1 ............................................................................................ 2524.44: MC50199-22A: SB-11 0-1 ......................................................................................... 2614.45: MC50199-23: SB-12 0-1 ............................................................................................ 2624.46: MC50199-23A: SB-12 0-1 ......................................................................................... 2714.47: MC50199-24: SB-13 0-1 ............................................................................................ 2724.48: MC50199-24A: SB-13 0-1 ......................................................................................... 2814.49: MC50199-25: SB-15 0-1 ............................................................................................ 2824.50: MC50199-25A: SB-15 0-1 ......................................................................................... 2914.51: MC50199-26: SB-19 0-1 ............................................................................................ 2924.52: MC50199-26A: SB-19 0-1 ......................................................................................... 3004.53: MC50199-27: SB-20 0-1 ............................................................................................ 3014.54: MC50199-27A: SB-20 0-1 ......................................................................................... 3094.55: MC50199-28: SB-21 0-1 ............................................................................................ 3104.56: MC50199-28A: SB-21 0-1 ......................................................................................... 3184.57: MC50199-29: DUP ..................................................................................................... 3194.58: MC50199-29A: DUP .................................................................................................. 3284.59: MC50199-30: TRIP BLANK ..................................................................................... 329

Section 5: Misc. Forms ............................................................................................................ 3325.1: Chain of Custody ........................................................................................................... 3335.2: RCP Form ...................................................................................................................... 3375.3: RCP Form (SGS Accutest New Jersey) ......................................................................... 3385.4: Sample Tracking Chronicle ........................................................................................... 3395.5: QC Evaluation: CT RCP Limits .................................................................................... 354

Section 6: GC Semi-volatiles - QC Data Summaries ............................................................ 3636.1: Method Blank Summary ................................................................................................ 3646.2: Blank Spike Summary ................................................................................................... 3706.3: Blank Spike/Blank Spike Duplicate Summary .............................................................. 3746.4: DDT/Endrin Breakdown Checks ................................................................................... 3766.5: Surrogate Recovery Summaries ..................................................................................... 381

Section 7: Misc. Forms (SGS Accutest New Jersey) ............................................................. 3867.1: Chain of Custody ........................................................................................................... 3877.2: Sample Tracking Chronicle ........................................................................................... 3977.3: QC Evaluation: CT RCP Limits .................................................................................... 410

Section 8: GC/MS Volatiles - QC Data (SGS Accutest New Jersey) .................................... 4428.1: Method Blank Summary ................................................................................................ 4438.2: Blank Spike Summary ................................................................................................... 4558.3: Blank Spike/Blank Spike Duplicate Summary .............................................................. 4588.4: Matrix Spike Summary .................................................................................................. 467

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Table of Contents-3-

Sections:

8.5: Duplicate Summary ....................................................................................................... 4738.6: Internal Standard Area Summaries ................................................................................ 4798.7: Surrogate Recovery Summaries ..................................................................................... 483

Section 9: GC/MS Semi-volatiles - QC Data (SGS Accutest New Jersey) .......................... 4859.1: Method Blank Summary ................................................................................................ 4869.2: Blank Spike Summary ................................................................................................... 4909.3: Blank Spike/Blank Spike Duplicate Summary .............................................................. 4929.4: Matrix Spike/Matrix Spike Duplicate Summary ........................................................... 4939.5: Internal Standard Area Summaries ................................................................................ 4959.6: Surrogate Recovery Summaries ..................................................................................... 501

Section 10: Metals Analysis - QC Data (SGS Accutest New Jersey) ................................... 50310.1: Prep QC MP162: As,Ba,Cd,Cr,Pb,Se,Ag .................................................................... 50410.2: Prep QC MP168: As,Ba,Cd,Cr,Pb,Se,Ag .................................................................... 51010.3: Prep QC MP171: As,Ba,Cd,Cr,Pb,Se,Ag .................................................................... 51610.4: Prep QC MP181: Hg .................................................................................................... 52210.5: Prep QC MP182: Hg .................................................................................................... 52710.6: Prep QC MP187: Hg .................................................................................................... 53210.7: Prep QC MP193: As,Ba,Cd,Cr,Pb,Se,Ag .................................................................... 53510.8: Prep QC MP204: Hg .................................................................................................... 54510.9: Prep QC MP247: Hg .................................................................................................... 54910.10: Prep QC MP255: As,Ba,Cd,Cr,Pb,Se,Ag .................................................................. 553

Section 11: General Chemistry - QC Data (SGS Accutest New Jersey) .............................. 56311.1: Method Blank and Spike Results Summary ................................................................ 56411.2: Duplicate Results Summary ......................................................................................... 56511.3: Matrix Spike Results Summary ................................................................................... 566

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SGS Accutest

Sample Summary

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

MC50199-1 04/18/17 14:10 WJ 04/19/17 SO Soil SB-1 0-1

MC50199-1A 04/18/17 14:10 WJ 04/19/17 SO Soil SB-1 0-1

MC50199-2 04/18/17 13:45 WJ 04/19/17 SO Soil SB-2 0-2

MC50199-2A 04/18/17 13:45 WJ 04/19/17 SO Soil SB-2 0-2

MC50199-3 04/18/17 13:45 WJ 04/19/17 SO Soil SB-2 2-3

MC50199-3A 04/18/17 13:45 WJ 04/19/17 SO Soil SB-2 2-3

MC50199-4 04/18/17 14:20 WJ 04/19/17 SO Soil SB-3 0-1

MC50199-4A 04/18/17 14:20 WJ 04/19/17 SO Soil SB-3 0-1

MC50199-5 04/18/17 14:45 WJ 04/19/17 SO Soil SB-4 0-1

MC50199-5A 04/18/17 14:45 WJ 04/19/17 SO Soil SB-4 0-1

MC50199-6 04/18/17 15:00 WJ 04/19/17 SO Soil SB-5 0-1

MC50199-6A 04/18/17 15:00 WJ 04/19/17 SO Soil SB-5 0-1

MC50199-7 04/18/17 13:15 WJ 04/19/17 SO Soil SB-6 0-2

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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SGS Accutest

Sample Summary(continued)

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

MC50199-7A 04/18/17 13:15 WJ 04/19/17 SO Soil SB-6 0-2

MC50199-8 04/18/17 13:15 WJ 04/19/17 SO Soil SB-6 2-3

MC50199-8A 04/18/17 13:15 WJ 04/19/17 SO Soil SB-6 2-3

MC50199-9 04/18/17 12:30 WJ 04/19/17 SO Soil SB-9 0-1.5

MC50199-9A 04/18/17 12:30 WJ 04/19/17 SO Soil SB-9 0-1.5

MC50199-10 04/18/17 12:30 WJ 04/19/17 SO Soil SB-9 1.5-3

MC50199-10A04/18/17 12:30 WJ 04/19/17 SO Soil SB-9 1.5-3

MC50199-11 04/18/17 12:10 WJ 04/19/17 SO Soil SB-10 0-1.5

MC50199-11A04/18/17 12:10 WJ 04/19/17 SO Soil SB-10 0-1.5

MC50199-12 04/18/17 11:00 WJ 04/19/17 SO Soil SB-14 0-1.5

MC50199-12A04/18/17 11:00 WJ 04/19/17 SO Soil SB-14 0-1.5

MC50199-13 04/18/17 11:00 WJ 04/19/17 SO Soil SB-14 1.6-3

MC50199-13A04/18/17 11:00 WJ 04/19/17 SO Soil SB-14 1.6-3

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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SGS Accutest

Sample Summary(continued)

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

MC50199-14 04/18/17 11:30 WJ 04/19/17 SO Soil SB-16 0-1

MC50199-14A04/18/17 11:30 WJ 04/19/17 SO Soil SB-16 0-1

MC50199-15 04/18/17 10:45 WJ 04/19/17 SO Soil SB-17 0-1.5

MC50199-15A04/18/17 10:45 WJ 04/19/17 SO Soil SB-17 0-1.5

MC50199-16 04/18/17 10:45 WJ 04/19/17 SO Soil SB-17 1.5-3

MC50199-16A04/18/17 10:45 WJ 04/19/17 SO Soil SB-17 1.5-3

MC50199-17 04/18/17 10:00 WJ 04/19/17 SO Soil SB-18 0-1.5

MC50199-17A04/18/17 10:00 WJ 04/19/17 SO Soil SB-18 0-1.5

MC50199-18 04/18/17 10:00 WJ 04/19/17 SO Soil SB-18 1.5-3

MC50199-18A04/18/17 10:00 WJ 04/19/17 SO Soil SB-18 1.5-3

MC50199-19 04/18/17 12:10 WJ 04/19/17 SO Soil SB-10 1.5-3

MC50199-19A04/18/17 12:10 WJ 04/19/17 SO Soil SB-10 1.5-3

MC50199-20 04/19/17 09:40 WJ 04/19/17 SO Soil SB-7 0-1

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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SGS Accutest

Sample Summary(continued)

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

MC50199-20A04/19/17 09:40 WJ 04/19/17 SO Soil SB-7 0-1

MC50199-21 04/19/17 10:00 WJ 04/19/17 SO Soil SB-8 0-1

MC50199-21A04/19/17 10:00 WJ 04/19/17 SO Soil SB-8 0-1

MC50199-22 04/19/17 10:30 WJ 04/19/17 SO Soil SB-11 0-1

MC50199-22A04/19/17 10:30 WJ 04/19/17 SO Soil SB-11 0-1

MC50199-23 04/19/17 10:45 WJ 04/19/17 SO Soil SB-12 0-1

MC50199-23A04/19/17 10:45 WJ 04/19/17 SO Soil SB-12 0-1

MC50199-24 04/19/17 10:50 WJ 04/19/17 SO Soil SB-13 0-1

MC50199-24A04/19/17 10:50 WJ 04/19/17 SO Soil SB-13 0-1

MC50199-25 04/19/17 11:00 WJ 04/19/17 SO Soil SB-15 0-1

MC50199-25A04/19/17 11:00 WJ 04/19/17 SO Soil SB-15 0-1

MC50199-26 04/19/17 11:25 WJ 04/19/17 SO Soil SB-19 0-1

MC50199-26A04/19/17 11:25 WJ 04/19/17 SO Soil SB-19 0-1

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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SGS Accutest

Sample Summary(continued)

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

Sample Collected Matrix Client Number Date Time By Received Code Type Sample ID

MC50199-27 04/19/17 11:35 WJ 04/19/17 SO Soil SB-20 0-1

MC50199-27A04/19/17 11:35 WJ 04/19/17 SO Soil SB-20 0-1

MC50199-28 04/19/17 11:40 WJ 04/19/17 SO Soil SB-21 0-1

MC50199-28A04/19/17 11:40 WJ 04/19/17 SO Soil SB-21 0-1

MC50199-29 04/19/17 00:00 WJ 04/19/17 SO Soil DUP

MC50199-29A04/19/17 00:00 WJ 04/19/17 SO Soil DUP

MC50199-30 04/19/17 00:00 WJ 04/19/17 SO Trip Blank Soil TRIP BLANK

Soil samples reported on a dry weight basis unless otherwise indicated on result page.

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29 Sample(s) and 1 Trip Blank(s) were collected on between 04/18/2017 and 04/19/2017 and were received at SGS Accutest New England on 04/19/2017 properly preserved, at 3.4 Deg. C and intact. These Samples received a job number of MC50199. A listing of the Laboratory Sample ID, Client Sample ID and dates of collection are presented in the Results Summary Section of this report.

Except as noted below, all method specified calibrations and quality control performance criteria were met for this job. For more information, please refer to QC summary pages.

Client: BL Companies

Site: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Job No MC50199

Report Date 4/28/2017 4:40:20 PM

SAMPLE DELIVERY GROUP CASE NARRATIVE

Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: N:V3C6214

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:VV7075

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:VV7077

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:VY7434

Analysis performed at SGS Accutest, Dayton, NJ.

Extractables by GCMS By Method SW846 8270DMatrix: SO Batch ID: N:OP2255

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:OP2256

Analysis performed at SGS Accutest, Dayton, NJ.

Extractables by GC By Method CT-ETPH 7/06Matrix: SO Batch ID: OP49642

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Matrix: SO Batch ID: OP49643

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

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Extractables by GC By Method SW846 8081BMatrix: SO Batch ID: OP49634

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

GBE2746-DDT Breakdown, file BE54792 outside control limits due to possible residual matrix interference. Confirmed by reanalysis.

Continuing calibration check standard GBE2746-CC2746, signal #1, BE54791 , file BE54801 for all compounds exceed 20% Dev (biased low) due to possible residual matrix interference. Confirmed by reanalysis.

Quadratic regression is employed for initial calibration standard GBE2746-ICC2746, signal #1 for Alachlor, Dieldrin, 4,4'-DDT.

MC50199-14 for Heptachlor epoxide, 4,4'-DDD: Indeterminate due to the presence of Arochlor pattern.

MC50199-3,-14 for 4,4'-DDE, 4,4'-DDT, Dieldrin: Indeterminate due to the presence of Arochlor pattern.

OP49634-BS for delta-BHC: Outside RCP control limits (biased low).

MC50199-2 for Tetrachloro-m-xylene (sig#2): Outside RCP control limits (biased low).

Matrix: SO Batch ID: OP49645

MC50199-24 for Tetrachloro-m-xylene (sig#2): Outside RCP control limits (biased high).

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Quadratic regression is employed for initial calibration standard GBE2747-ICC2747, signal #1 for TCMX, 4,4'-DDT.

Continuing calibration check standard GBE2747-CC2747, signal #1, file BE54823 for 4,4'-DDE, Endosulfan-II, 4,4'-DDT, Methoxychlor, Endrin Ketone and file BE54833 for majority compounds exceed 20% Dev (biased low) due to possible residual matrix interference. Confirmed by reanalysis.

MC50199-22 for Decachlorobiphenyl: Outside control limits due to possible matrix interference.

GBE2747-DDT Breakdown, file BE54824 outside control limits due to possible residual matrix interference. Confirmed by reanalysis.

MC50199-20,21, 24,25,26,27,29 for 4,4'-DDT: Confirmation value >40% RPD.

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Extractables by GC By Method SW846 8082AMatrix: SO Batch ID: OP49633

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

MC50199-5 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-8 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-8 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-8 for Aroclor 1248: Confirmation value >40% RPD.

MC50199-5 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-2 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-4 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-14 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-3 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-2 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-7 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

Matrix: SO Batch ID: OP49644

All samples were extracted within the recommended method holding time.

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

MC50199-20 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-21 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-29 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.Confirmation value >40% RPD

MC50199-22 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

MC50199-26 for Aroclor 1260: Estimated value due to the presence of other Aroclor pattern.

MC50199-27 for Aroclor 1254: Estimated value due to the presence of other Aroclor pattern.

Metals By Method SW846 6010CMatrix: LEACHATE Batch ID: N:MP171

Analysis performed at SGS Accutest, Dayton, NJ.

MC50199-1A for Lead: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: LEACHATE Batch ID: N:MP193

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: LEACHATE Batch ID: N:MP255

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:MP162

Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:MP168

Analysis performed at SGS Accutest, Dayton, NJ.

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Metals By Method SW846 7470AMatrix: LEACHATE Batch ID: N:MP187

Mercury: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: LEACHATE Batch ID: N:MP204

Mercury: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: LEACHATE Batch ID: N:MP247

Mercury: Analysis performed at SGS Accutest, Dayton, NJ.

Metals By Method SW846 7471BMatrix: SO Batch ID: N:MP181

Mercury: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:MP182

Mercury: Analysis performed at SGS Accutest, Dayton, NJ.

Wet Chemistry By Method SM2540 G-97Matrix: SO Batch ID: N:GN62976

Solids, Percent: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:GN62994

Solids, Percent: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:GN63023

Solids, Percent: Analysis performed at SGS Accutest, Dayton, NJ.

Wet Chemistry By Method SW846 9060AMatrix: SO Batch ID: N:GP4655

Total Organic Carbon: Analysis performed at SGS Accutest, Dayton, NJ.

Matrix: SO Batch ID: N:GP4922

Total Organic Carbon: Analysis performed at SGS Accutest, Dayton, NJ.

SGS Accutest New England certifies that all analysis were performed within method specification. It is further recommended that this report to be used in its entirety. The Laboratory Director for SGS Accutest New England or assignee as verified by the signature on the cover page has authorized the release of this report(MC50199).

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On 04/20/2017, 58 Sample(s), 1 Trip Blank(s) and 0 Field Blank(s) were received at SGS Accutest at a maximum corrected temperature of 5.3 C. Samples were intact and chemically preserved, unless noted below. A SGS Accutest Job Number of MC50199 was assigned to the project. Laboratory sample ID, client sample ID and dates of sample collection are detailed in the report’s Results Summary Section.

Specified quality control criteria were achieved for this job except as noted below. For more information, please refer to the analytical results and QC summary pages.

Client: SGS Accutest New England

Site: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Job No MC50199

Report Date 4/28/2017 3:22:14 PM

CASE NARRATIVE / CONFORMANCE SUMMARY

Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: V3C6214

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

MC50199-13 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-6 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-18 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-7 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-6 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-8 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-8 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-10 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-7 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-13 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-16 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-16 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-17 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-17 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

MC50199-18 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-10 for Tetrahydrofuran: Response factor for this compound is below 0.05 in the inital calibrations.

Matrix: SO Batch ID: VV7075

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-22DUP, MC50199-23MS were used as the QC samples indicated.

MC50199-25 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-28 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-28 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-24 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is outside the RCP limits in the associated BS biased high.

MC50199-21 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-21 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is outside the RCP limits in the associated BS biased high.

MC50199-22 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

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Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: VV7075

MC50199-22 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is outside the RCP limits in the associated BS biased high.

MC50199-23 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-26 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-24 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-27 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-4 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-4 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-30 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-30 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-25 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-26 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-23 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is outside the RCP limits in the associated BS biased high.

MC50199-27 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

Matrix: SO Batch ID: VV7077

All samples were analyzed within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

MC50199-12 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-9 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-9 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-9 for Acetone: Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-9 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-12 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-12 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-12 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-9 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-12 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-9 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-12 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-12 for Acetone: Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-12 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-14 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-14 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-14 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-29 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-12 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

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Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: VV7077

MC50199-5 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-14 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-2 for Acetone: Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-2 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-9 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-29 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Acetone: Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-5 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-9 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-29 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-9 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-5 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-15 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-14 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-11 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-11 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-29 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-15 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-19 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-15 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-15 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-15 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

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Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: VV7077

MC50199-15 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-15 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-15 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-14 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-14 for Acetone: Response factor for this compound is below 0.05 in the initial and continuing calibrations.

MC50199-14 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-14 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-15 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-20 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-29 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-29 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-29 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-29 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-29 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-20 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-11 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-20 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-20 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for Bromomethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for Chloromethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-20 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-19 for Chloroethane: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-20 for Freon 113: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-19 for Acetone: Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-19 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-20 for Trans-1,4-Dichloro-2-Butene: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-20 for 2-Hexanone: This compound in the associated CCV is outside the method criteria of 20%, biased low.

MC50199-20 for Hexachlorobutadiene: This compound in the associated CCV is outside the method criteria of 20%, biased high.

Matrix: SO Batch ID: VY7434

All samples were analyzed within the recommended method holding time.

Sample(s) MC50199-1DUP, MC50199-3MS, MC50199-1DUP were used as the QC samples indicated.

All method blanks for this batch meet method specific criteria.

RPD(s) for Duplicate for 2-Butanone (MEK), Carbon disulfide are outside control limits for sample MC50199-1DUP. High RPD due to possible sample nonhomogeneity.

MC50199-3 for Tetrahydrofuran: This compound in the associated CCV is outside the method criteria of 20%, biased high.

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Volatiles by GCMS By Method SW846 8260CMatrix: SO Batch ID: VY7434

MC50199-1 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

MC50199-1 for Tetrahydrofuran: This compound in the associated CCV is outside the method criteria of 20%, biased high.

MC50199-3 for 2-Butanone (MEK): Response factor for this compound is below 0.05 in the inital and continuing calibrations.

Extractables by GCMS By Method SW846 8270DMatrix: SO Batch ID: OP2255

All samples were extracted within the recommended method holding time.

Sample(s) MC50199-1MS, MC50199-1MSD were used as the QC samples indicated.

All method blanks for this batch meet method specific criteria.

MC50199-9: Elevated detection limit due to high final volume of viscous extract.

MC50199-7: Elevated detection limit due to high final volume of viscous extract.

MC50199-6: Elevated detection limit due to high final volume of viscous extract.

MC50199-12: Elevated detection limit due to high final volume of viscous extract.

Matrix: SO Batch ID: OP2256

All samples were extracted within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-14MS, MC50199-14MSD were used as the QC samples indicated.

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Metals By Method SW846 6010CMatrix: LEACHATE Batch ID: MP171

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) JC41377-1SDL were used as the QC samples for metals.

RPD(s) for Serial Dilution for Chromium, Lead are outside control limits for sample MP171-SD1. Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

Matrix: LEACHATE Batch ID: MP193

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-6AMS, MC50199-6AMSD, MC50199-6ASDL were used as the QC samples for metals.

RPD(s) for Serial Dilution for Lead are outside control limits for sample MP193-SD1. Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

Matrix: LEACHATE Batch ID: MP255

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-23AMS, MC50199-23AMSD, MC50199-23ASDL were used as the QC samples for metals.

RPD(s) for Serial Dilution for Lead are outside control limits for sample MP255-SD1. Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

Matrix: SO Batch ID: MP162

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) JC41749-1SDL were used as the QC samples for metals.

RPD(s) for Serial Dilution for Cadmium, Chromium are outside control limits for sample MP162-SD1. Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

Matrix: SO Batch ID: MP168

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) JC40376-159SDL were used as the QC samples for metals.

RPD(s) for Serial Dilution for Arsenic, Chromium, Lead are outside control limits for sample MP168-SD1. Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

MC50199-26 for Lead: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Lead: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Selenium: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Chromium: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Cadmium: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Arsenic: Elevated detection limit due to dilution required for high interfering element.

MC50199-26 for Silver: Elevated detection limit due to dilution required for high interfering element.

MC50199-26 for Selenium: Elevated detection limit due to dilution required for high interfering element.

MP168-SD1 for Barium: Serial dilution indicates possible matrix interference.

MC50199-26 for Cadmium: Elevated detection limit due to dilution required for high interfering element.

MC50199-26 for Chromium: Elevated detection limit due to dilution required for high interfering element.

MC50199-28 for Silver: Elevated detection limit due to dilution required for high interfering element.

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Metals By Method SW846 7470AMatrix: LEACHATE Batch ID: MP187

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Matrix: LEACHATE Batch ID: MP204

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-6AMS, MC50199-6AMSD were used as the QC samples for metals.

Matrix: LEACHATE Batch ID: MP247

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-23AMS, MC50199-23AMSD were used as the QC samples for metals.

Metals By Method SW846 7471BMatrix: SO Batch ID: MP181

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-1MS, MC50199-1MSD were used as the QC samples for metals.

Matrix: SO Batch ID: MP182

All samples were digested within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-21MS, MC50199-21MSD were used as the QC samples for metals.

Matrix Spike Duplicate Recovery(s) for Mercury are outside control limits. Probable cause due to matrix interference.

Wet Chemistry By Method SM2540 G-97Matrix: SO Batch ID: GN62976

The data for SM2540 G-97 meets quality control requirements.

Matrix: SO Batch ID: GN62994

The data for SM2540 G-97 meets quality control requirements.

Matrix: SO Batch ID: GN63023

The data for SM2540 G-97 meets quality control requirements.

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Wet Chemistry By Method SW846 9060AMatrix: SO Batch ID: GP4655

All samples were prepared within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

MC50199-8 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-7 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-5 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-1 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-2 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

Matrix: SO Batch ID: GP4922

All samples were prepared within the recommended method holding time.

All method blanks for this batch meet method specific criteria.

Sample(s) MC50199-19DUP, MC50199-19MS were used as the QC samples for Total Organic Carbon.

MC50199-21 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-20 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-22 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

MC50199-29 for Total Organic Carbon: Multiple injections indicate possible sample non-homogeneity.

SGS Accutest certifies that data reported for samples received, listed on the associated custody chain or analytical task order, were produced to specifications meeting the Quality System precision, accuracy and completeness objectives except as noted.

Estimated non-standard method measurement uncertainty data is available on request, based on quality control bias and implicit for standard methods. Acceptable uncertainty requires tested parameter quality control data to meet method criteria.

SGS Accutest is not responsible for data quality assumptions if partial reports are used and recommends that this report be used in its entirety. Data release is authorized by SGS Accutest indicated via signature on the report cover

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Summary of Hits Page 1 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-1 SB-1 0-1

Acetone a 23.0 6.7 ug/kg SW846 8260CAcenaphthylene a 130 39 ug/kg SW846 8270DAnthracene a 128 39 ug/kg SW846 8270DBenzo(a)anthracene a 352 39 ug/kg SW846 8270DBenzo(a)pyrene a 474 39 ug/kg SW846 8270DBenzo(b)fluoranthene a 545 39 ug/kg SW846 8270DBenzo(g,h,i)perylene a 382 39 ug/kg SW846 8270DBenzo(k)fluoranthene a 219 39 ug/kg SW846 8270DChrysene a 420 39 ug/kg SW846 8270DDibenzo(a,h)anthracene a 91.4 39 ug/kg SW846 8270DFluoranthene a 746 39 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 380 39 ug/kg SW846 8270DPhenanthrene a 289 39 ug/kg SW846 8270DPyrene a 904 39 ug/kg SW846 8270DCT-ETPH (C9-C36) 181 19 mg/kg CT-ETPH 7/06Aroclor 1254 33.2 29 ug/kg SW846 8082AArsenic a 4.6 2.4 mg/kg SW846 6010CBarium a 65.6 24 mg/kg SW846 6010CChromium a 19.0 1.2 mg/kg SW846 6010CLead a 199 2.4 mg/kg SW846 6010CMercury a 0.88 0.074 mg/kg SW846 7471BTotal Organic Carbon b 25200 1200 mg/kg SW846 9060A

MC50199-1A SB-1 0-1

Lead a 0.48 0.015 mg/l SW846 6010C

MC50199-2 SB-2 0-2

Acetone c 52.4 13 ug/kg SW846 8260CAcenaphthene a 82.8 49 ug/kg SW846 8270DAcenaphthylene a 255 49 ug/kg SW846 8270DAnthracene a 346 49 ug/kg SW846 8270DBenzo(a)anthracene a 1200 49 ug/kg SW846 8270DBenzo(a)pyrene a 1530 49 ug/kg SW846 8270DBenzo(b)fluoranthene a 2150 49 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1160 49 ug/kg SW846 8270DBenzo(k)fluoranthene a 826 49 ug/kg SW846 8270DChrysene a 1400 49 ug/kg SW846 8270DDibenzo(a,h)anthracene a 283 49 ug/kg SW846 8270DFluoranthene a 2300 49 ug/kg SW846 8270DFluorene a 116 49 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1170 49 ug/kg SW846 8270D

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Summary of Hits Page 2 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Naphthalene a 102 49 ug/kg SW846 8270DPhenanthrene a 1060 49 ug/kg SW846 8270DPyrene a 2770 49 ug/kg SW846 8270DCT-ETPH (C9-C36) 658 24 mg/kg CT-ETPH 7/06Aroclor 1248 223 32 ug/kg SW846 8082AAroclor 1254 d 209 32 ug/kg SW846 8082AAroclor 1260 d 61.6 32 ug/kg SW846 8082AArsenic a 5.8 3.1 mg/kg SW846 6010CBarium a 100 31 mg/kg SW846 6010CChromium a 50.5 1.5 mg/kg SW846 6010CLead a 410 3.1 mg/kg SW846 6010CMercury a 0.23 0.034 mg/kg SW846 7471BTotal Organic Carbon b 32500 1500 mg/kg SW846 9060A

MC50199-2A SB-2 0-2

Lead a 0.25 0.015 mg/l SW846 6010C

MC50199-3 SB-2 2-3

Acetone a 74.5 16 ug/kg SW846 8260CAcenaphthene a 138 57 ug/kg SW846 8270DAcenaphthylene a 1800 57 ug/kg SW846 8270DAnthracene a 1150 57 ug/kg SW846 8270DBenzo(a)anthracene a 3550 57 ug/kg SW846 8270DBenzo(a)pyrene a 5090 57 ug/kg SW846 8270DBenzo(b)fluoranthene a 7830 290 ug/kg SW846 8270DBenzo(g,h,i)perylene a 4020 57 ug/kg SW846 8270DBenzo(k)fluoranthene a 2070 57 ug/kg SW846 8270DChrysene a 3620 57 ug/kg SW846 8270DDibenzo(a,h)anthracene a 1080 57 ug/kg SW846 8270DFluoranthene a 4850 57 ug/kg SW846 8270DFluorene a 271 57 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 3960 57 ug/kg SW846 8270D2-Methylnaphthalene a 219 110 ug/kg SW846 8270DNaphthalene a 492 57 ug/kg SW846 8270DPhenanthrene a 1630 57 ug/kg SW846 8270DPyrene a 11800 290 ug/kg SW846 8270DCT-ETPH (C9-C36) 883 28 mg/kg CT-ETPH 7/06Aroclor 1254 778 43 ug/kg SW846 8082AAroclor 1260 d 443 43 ug/kg SW846 8082AArsenic a 14.4 3.5 mg/kg SW846 6010CBarium a 123 35 mg/kg SW846 6010CCadmium a 2.5 0.88 mg/kg SW846 6010CChromium a 64.0 1.8 mg/kg SW846 6010C

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Summary of Hits Page 3 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Lead a 257 3.5 mg/kg SW846 6010CMercury a 0.75 0.050 mg/kg SW846 7471BSilver a 1.3 0.88 mg/kg SW846 6010CTotal Organic Carbon a 35800 1800 mg/kg SW846 9060A

MC50199-3A SB-2 2-3

No hits reported in this sample.

MC50199-4 SB-3 0-1

Acetone e 141 14 ug/kg SW846 8260C2-Butanone (MEK) e 31.3 14 ug/kg SW846 8260CAcenaphthylene a 121 57 ug/kg SW846 8270DAnthracene a 125 57 ug/kg SW846 8270DBenzo(a)anthracene a 494 57 ug/kg SW846 8270DBenzo(a)pyrene a 647 57 ug/kg SW846 8270DBenzo(b)fluoranthene a 1010 57 ug/kg SW846 8270DBenzo(g,h,i)perylene a 603 57 ug/kg SW846 8270DBenzo(k)fluoranthene a 282 57 ug/kg SW846 8270DChrysene a 645 57 ug/kg SW846 8270DDibenzo(a,h)anthracene a 134 57 ug/kg SW846 8270DFluoranthene a 1010 57 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 597 57 ug/kg SW846 8270DPhenanthrene a 345 57 ug/kg SW846 8270DPyrene a 893 57 ug/kg SW846 8270DCT-ETPH (C9-C36) 906 28 mg/kg CT-ETPH 7/06Aroclor 1254 66.3 42 ug/kg SW846 8082AAroclor 1260 d 51.7 42 ug/kg SW846 8082AArsenic a 7.3 3.4 mg/kg SW846 6010CBarium a 55.0 34 mg/kg SW846 6010CChromium a 47.7 1.7 mg/kg SW846 6010CLead a 256 3.4 mg/kg SW846 6010CMercury a 0.24 0.033 mg/kg SW846 7471BTotal Organic Carbon a 40700 1700 mg/kg SW846 9060A

MC50199-4A SB-3 0-1

Lead a 1.5 0.015 mg/l SW846 6010C

MC50199-5 SB-4 0-1

Acetone c 64.7 12 ug/kg SW846 8260CAcenaphthylene a 111 50 ug/kg SW846 8270DAnthracene a 119 50 ug/kg SW846 8270D

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Summary of Hits Page 4 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Benzo(a)anthracene a 416 50 ug/kg SW846 8270DBenzo(a)pyrene a 525 50 ug/kg SW846 8270DBenzo(b)fluoranthene a 804 50 ug/kg SW846 8270DBenzo(g,h,i)perylene a 479 50 ug/kg SW846 8270DBenzo(k)fluoranthene a 271 50 ug/kg SW846 8270DChrysene a 542 50 ug/kg SW846 8270DDibenzo(a,h)anthracene a 113 50 ug/kg SW846 8270DFluoranthene a 957 50 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 482 50 ug/kg SW846 8270DPhenanthrene a 294 50 ug/kg SW846 8270DPyrene a 772 50 ug/kg SW846 8270DCT-ETPH (C9-C36) 1260 24 mg/kg CT-ETPH 7/06Aroclor 1242 93.4 37 ug/kg SW846 8082AAroclor 1254 d 87.3 37 ug/kg SW846 8082AAroclor 1260 d 90.2 37 ug/kg SW846 8082AArsenic a 6.0 3.1 mg/kg SW846 6010CBarium a 55.1 31 mg/kg SW846 6010CChromium a 28.8 1.5 mg/kg SW846 6010CLead a 148 3.1 mg/kg SW846 6010CMercury a 0.33 0.034 mg/kg SW846 7471BTotal Organic Carbon b 34600 1500 mg/kg SW846 9060A

MC50199-5A SB-4 0-1

Lead a 0.25 0.015 mg/l SW846 6010C

MC50199-6 SB-5 0-1

Acetone a 29.1 16 ug/kg SW846 8260CAcenaphthylene f 778 560 ug/kg SW846 8270DBenzo(a)anthracene f 3300 560 ug/kg SW846 8270DBenzo(a)pyrene f 3660 560 ug/kg SW846 8270DBenzo(b)fluoranthene f 4680 560 ug/kg SW846 8270DBenzo(g,h,i)perylene f 2790 560 ug/kg SW846 8270DBenzo(k)fluoranthene f 1890 560 ug/kg SW846 8270DChrysene f 3050 560 ug/kg SW846 8270DDibenzo(a,h)anthracene f 682 560 ug/kg SW846 8270DFluoranthene f 5130 560 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene f 2790 560 ug/kg SW846 8270DPhenanthrene f 883 560 ug/kg SW846 8270DPyrene f 5230 560 ug/kg SW846 8270DCT-ETPH (C9-C36) 547 28 mg/kg CT-ETPH 7/06Arsenic a 5.9 3.4 mg/kg SW846 6010CBarium a 47.1 34 mg/kg SW846 6010CChromium a 47.8 1.7 mg/kg SW846 6010C

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Page 111: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Summary of Hits Page 5 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Lead a 170 3.4 mg/kg SW846 6010CMercury a 0.60 0.045 mg/kg SW846 7471BTotal Organic Carbon a 43500 1700 mg/kg SW846 9060A

MC50199-6A SB-5 0-1

Lead a 0.024 0.015 mg/l SW846 6010C

MC50199-7 SB-6 0-2

Acetone a 57.9 11 ug/kg SW846 8260C2-Butanone (MEK) e 11.9 11 ug/kg SW846 8260CBenzo(a)anthracene f 1660 540 ug/kg SW846 8270DBenzo(a)pyrene f 1960 540 ug/kg SW846 8270DBenzo(b)fluoranthene f 3110 540 ug/kg SW846 8270DBenzo(g,h,i)perylene f 1600 540 ug/kg SW846 8270DBenzo(k)fluoranthene f 806 540 ug/kg SW846 8270DChrysene f 1920 540 ug/kg SW846 8270DFluoranthene f 3850 540 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene f 1550 540 ug/kg SW846 8270DPhenanthrene f 1270 540 ug/kg SW846 8270DPyrene f 3400 540 ug/kg SW846 8270DCT-ETPH (C9-C36) 1430 120 mg/kg CT-ETPH 7/06Aroclor 1254 144 38 ug/kg SW846 8082AAroclor 1260 d 102 38 ug/kg SW846 8082AArsenic a 5.4 3.3 mg/kg SW846 6010CBarium a 123 33 mg/kg SW846 6010CChromium a 49.3 1.6 mg/kg SW846 6010CLead a 159 3.3 mg/kg SW846 6010CMercury a 0.27 0.045 mg/kg SW846 7471BTotal Organic Carbon b 36800 1600 mg/kg SW846 9060A

MC50199-7A SB-6 0-2

Cadmium a 0.0057 0.0050 mg/l SW846 6010CLead a 0.35 0.015 mg/l SW846 6010C

MC50199-8 SB-6 2-3

Acetone a 41.2 12 ug/kg SW846 8260CCarbon disulfide a 6.9 2.4 ug/kg SW846 8260CAcenaphthene a 89.6 53 ug/kg SW846 8270DAcenaphthylene a 711 53 ug/kg SW846 8270DAnthracene a 536 53 ug/kg SW846 8270DBenzo(a)anthracene a 2100 53 ug/kg SW846 8270D

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Summary of Hits Page 6 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Benzo(a)pyrene a 2290 53 ug/kg SW846 8270DBenzo(b)fluoranthene a 2940 53 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1390 53 ug/kg SW846 8270DBenzo(k)fluoranthene a 952 53 ug/kg SW846 8270DChrysene a 2300 53 ug/kg SW846 8270DDibenzo(a,h)anthracene a 396 53 ug/kg SW846 8270DFluoranthene a 3540 53 ug/kg SW846 8270DFluorene a 177 53 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1460 53 ug/kg SW846 8270D2-Methylnaphthalene a 116 110 ug/kg SW846 8270DNaphthalene a 146 53 ug/kg SW846 8270DPhenanthrene a 1130 53 ug/kg SW846 8270DPyrene a 4820 53 ug/kg SW846 8270DCT-ETPH (C9-C36) 1220 26 mg/kg CT-ETPH 7/064,4'-DDD 8.8 7.7 ug/kg SW846 8081BAroclor 1248 g 355 39 ug/kg SW846 8082AAroclor 1254 d 323 39 ug/kg SW846 8082AAroclor 1260 d 95.5 39 ug/kg SW846 8082AArsenic a 7.4 3.2 mg/kg SW846 6010CBarium a 122 32 mg/kg SW846 6010CChromium a 32.2 1.6 mg/kg SW846 6010CLead a 199 3.2 mg/kg SW846 6010CMercury a 0.94 0.053 mg/kg SW846 7471BTotal Organic Carbon b 31200 1600 mg/kg SW846 9060A

MC50199-8A SB-6 2-3

Lead a 0.26 0.015 mg/l SW846 6010C

MC50199-9 SB-9 0-1.5

Acetone c 28.7 13 ug/kg SW846 8260CBenzo(a)anthracene f 2150 570 ug/kg SW846 8270DBenzo(a)pyrene f 2440 570 ug/kg SW846 8270DBenzo(b)fluoranthene f 3920 570 ug/kg SW846 8270DBenzo(g,h,i)perylene f 1980 570 ug/kg SW846 8270DBenzo(k)fluoranthene f 1180 570 ug/kg SW846 8270DChrysene f 2770 570 ug/kg SW846 8270DFluoranthene f 5550 570 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene f 2000 570 ug/kg SW846 8270DPhenanthrene f 1840 570 ug/kg SW846 8270DPyrene f 4290 570 ug/kg SW846 8270DCT-ETPH (C9-C36) 1940 260 mg/kg CT-ETPH 7/06Arsenic a 6.1 3.5 mg/kg SW846 6010CBarium a 83.9 35 mg/kg SW846 6010C

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Summary of Hits Page 7 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Chromium a 85.8 1.7 mg/kg SW846 6010CLead a 211 3.5 mg/kg SW846 6010CMercury a 0.48 0.054 mg/kg SW846 7471BTotal Organic Carbon a 70100 1700 mg/kg SW846 9060A

MC50199-9A SB-9 0-1.5

Lead a 0.10 0.015 mg/l SW846 6010C

MC50199-10 SB-9 1.5-3

Acetone a 46.8 14 ug/kg SW846 8260C2-Butanone (MEK) e 21.9 14 ug/kg SW846 8260CCarbon disulfide a 9.3 2.8 ug/kg SW846 8260CAnthracene a 68.9 59 ug/kg SW846 8270DBenzo(a)anthracene a 315 59 ug/kg SW846 8270DBenzo(a)pyrene a 351 59 ug/kg SW846 8270DBenzo(b)fluoranthene a 573 59 ug/kg SW846 8270DBenzo(g,h,i)perylene a 271 59 ug/kg SW846 8270DBenzo(k)fluoranthene a 142 59 ug/kg SW846 8270DChrysene a 400 59 ug/kg SW846 8270DDibenzo(a,h)anthracene a 63.8 59 ug/kg SW846 8270DFluoranthene a 859 59 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 258 59 ug/kg SW846 8270DPhenanthrene a 263 59 ug/kg SW846 8270DPyrene a 706 59 ug/kg SW846 8270DCT-ETPH (C9-C36) 260 29 mg/kg CT-ETPH 7/06Arsenic a 6.2 3.6 mg/kg SW846 6010CBarium a 56.8 36 mg/kg SW846 6010CChromium a 38.3 1.8 mg/kg SW846 6010CLead a 143 3.6 mg/kg SW846 6010CMercury a 0.49 0.046 mg/kg SW846 7471BTotal Organic Carbon a 34000 1800 mg/kg SW846 9060A

MC50199-10A SB-9 1.5-3

Lead a 0.16 0.015 mg/l SW846 6010C

MC50199-11 SB-10 0-1.5

Acetone e 142 26 ug/kg SW846 8260CCT-ETPH (C9-C36) 376 58 mg/kg CT-ETPH 7/06Arsenic a 14.7 7.6 mg/kg SW846 6010CBarium a 160 76 mg/kg SW846 6010CChromium a 93.5 3.8 mg/kg SW846 6010C

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Page 114: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Summary of Hits Page 8 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Lead a 343 7.6 mg/kg SW846 6010CMercury a 0.91 0.056 mg/kg SW846 7471BTotal Organic Carbon a 150000 3800 mg/kg SW846 9060A

MC50199-11A SB-10 0-1.5

Lead a 0.084 0.015 mg/l SW846 6010C

MC50199-12 SB-14 0-1.5

Acetone c 129 17 ug/kg SW846 8260C2-Butanone (MEK) c 17.2 17 ug/kg SW846 8260CCarbon disulfide a 5.5 3.3 ug/kg SW846 8260CBenzo(a)anthracene f 862 290 ug/kg SW846 8270DBenzo(a)pyrene f 885 290 ug/kg SW846 8270DBenzo(b)fluoranthene f 1410 290 ug/kg SW846 8270DBenzo(g,h,i)perylene f 658 290 ug/kg SW846 8270DBenzo(k)fluoranthene f 349 290 ug/kg SW846 8270DChrysene f 1030 290 ug/kg SW846 8270DFluoranthene f 2020 290 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene f 665 290 ug/kg SW846 8270DPhenanthrene f 855 290 ug/kg SW846 8270DPyrene f 1680 290 ug/kg SW846 8270DCT-ETPH (C9-C36) 2250 260 mg/kg CT-ETPH 7/06Aroclor 1254 47.5 41 ug/kg SW846 8082AArsenic a 5.5 3.4 mg/kg SW846 6010CBarium a 44.3 34 mg/kg SW846 6010CChromium a 36.2 1.7 mg/kg SW846 6010CLead a 29.8 3.4 mg/kg SW846 6010CMercury a 0.053 0.035 mg/kg SW846 7471BTotal Organic Carbon a 52500 1800 mg/kg SW846 9060A

MC50199-12A SB-14 0-1.5

Lead a 0.041 0.015 mg/l SW846 6010C

MC50199-13 SB-14 1.6-3

Acetone a 45.8 14 ug/kg SW846 8260CCarbon disulfide a 7.7 2.8 ug/kg SW846 8260CBenzo(a)anthracene a 194 61 ug/kg SW846 8270DBenzo(a)pyrene a 232 61 ug/kg SW846 8270DBenzo(b)fluoranthene a 350 61 ug/kg SW846 8270DBenzo(g,h,i)perylene a 196 61 ug/kg SW846 8270DBenzo(k)fluoranthene a 131 61 ug/kg SW846 8270D

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Summary of Hits Page 9 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Chrysene a 258 61 ug/kg SW846 8270DFluoranthene a 521 61 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 189 61 ug/kg SW846 8270DPhenanthrene a 203 61 ug/kg SW846 8270DPyrene a 475 61 ug/kg SW846 8270DCT-ETPH (C9-C36) 85.0 29 mg/kg CT-ETPH 7/06Arsenic a 6.4 3.5 mg/kg SW846 6010CBarium a 46.2 35 mg/kg SW846 6010CCadmium a 1.7 0.89 mg/kg SW846 6010CChromium a 40.2 1.8 mg/kg SW846 6010CLead a 36.0 3.5 mg/kg SW846 6010CMercury a 0.038 0.033 mg/kg SW846 7471BTotal Organic Carbon a 27500 1800 mg/kg SW846 9060A

MC50199-13A SB-14 1.6-3

No hits reported in this sample.

MC50199-14 SB-16 0-1

Acenaphthylene a 383 54 ug/kg SW846 8270DAnthracene a 425 54 ug/kg SW846 8270DBenzo(a)anthracene a 1290 54 ug/kg SW846 8270DBenzo(a)pyrene a 1480 54 ug/kg SW846 8270DBenzo(b)fluoranthene a 2360 54 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1380 54 ug/kg SW846 8270DBenzo(k)fluoranthene a 929 54 ug/kg SW846 8270DChrysene a 1900 54 ug/kg SW846 8270DDibenzo(a,h)anthracene a 272 54 ug/kg SW846 8270DFluoranthene a 3030 54 ug/kg SW846 8270DFluorene a 78.5 54 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1400 54 ug/kg SW846 8270DNaphthalene a 133 54 ug/kg SW846 8270DPhenanthrene a 960 54 ug/kg SW846 8270DPyrene a 2550 54 ug/kg SW846 8270DCT-ETPH (C9-C36) 1080 130 mg/kg CT-ETPH 7/06Aroclor 1254 3650 400 ug/kg SW846 8082AAroclor 1260 d 3130 400 ug/kg SW846 8082AArsenic a 12.7 3.3 mg/kg SW846 6010CBarium a 65.2 33 mg/kg SW846 6010CChromium a 40.5 1.6 mg/kg SW846 6010CLead a 651 3.3 mg/kg SW846 6010CMercury a 0.62 0.033 mg/kg SW846 7471BTotal Organic Carbon a 41400 1600 mg/kg SW846 9060A

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Page 116: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Summary of Hits Page 10 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-14A SB-16 0-1

Lead a 0.092 0.015 mg/l SW846 6010C

MC50199-15 SB-17 0-1.5

Acetone e 74.1 21 ug/kg SW846 8260CCarbon disulfide a 44.7 4.2 ug/kg SW846 8260CCT-ETPH (C9-C36) 61.4 37 mg/kg CT-ETPH 7/06Arsenic a 9.0 4.3 mg/kg SW846 6010CBarium a 49.8 43 mg/kg SW846 6010CChromium a 40.5 2.2 mg/kg SW846 6010CLead a 11.6 4.3 mg/kg SW846 6010CTotal Organic Carbon a 28500 2200 mg/kg SW846 9060A

MC50199-15A SB-17 0-1.5

No hits reported in this sample.

MC50199-16 SB-17 1.5-3

Acetone a 76.3 15 ug/kg SW846 8260CCarbon disulfide a 21.1 2.9 ug/kg SW846 8260CBenzo(a)anthracene a 79.6 55 ug/kg SW846 8270DBenzo(a)pyrene a 79.9 55 ug/kg SW846 8270DBenzo(b)fluoranthene a 133 55 ug/kg SW846 8270DBenzo(g,h,i)perylene a 58.9 55 ug/kg SW846 8270DChrysene a 102 55 ug/kg SW846 8270DFluoranthene a 185 55 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 78.1 55 ug/kg SW846 8270DPhenanthrene a 77.6 55 ug/kg SW846 8270DPyrene a 191 55 ug/kg SW846 8270DCT-ETPH (C9-C36) 65.7 28 mg/kg CT-ETPH 7/06Arsenic a 6.0 3.3 mg/kg SW846 6010CBarium a 39.1 33 mg/kg SW846 6010CChromium a 29.8 1.7 mg/kg SW846 6010CLead a 9.4 3.3 mg/kg SW846 6010CTotal Organic Carbon a 28200 1700 mg/kg SW846 9060A

MC50199-16A SB-17 1.5-3

No hits reported in this sample.

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Summary of Hits Page 11 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-17 SB-18 0-1.5

Acetone a 66.3 16 ug/kg SW846 8260CCarbon disulfide a 13.0 3.3 ug/kg SW846 8260CCT-ETPH (C9-C36) 78.4 31 mg/kg CT-ETPH 7/06Arsenic a 7.2 4.0 mg/kg SW846 6010CBarium a 43.7 40 mg/kg SW846 6010CChromium a 35.1 2.0 mg/kg SW846 6010CLead a 9.8 4.0 mg/kg SW846 6010CTotal Organic Carbon a 29500 1900 mg/kg SW846 9060A

MC50199-17A SB-18 0-1.5

No hits reported in this sample.

MC50199-18 SB-18 1.5-3

Acetone a 52.7 16 ug/kg SW846 8260CCarbon disulfide a 33.9 3.3 ug/kg SW846 8260CBenzo(a)anthracene a 140 63 ug/kg SW846 8270DBenzo(a)pyrene a 172 63 ug/kg SW846 8270DBenzo(b)fluoranthene a 237 63 ug/kg SW846 8270DBenzo(g,h,i)perylene a 105 63 ug/kg SW846 8270DBenzo(k)fluoranthene a 81.1 63 ug/kg SW846 8270DChrysene a 182 63 ug/kg SW846 8270DFluoranthene a 359 63 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 113 63 ug/kg SW846 8270DPhenanthrene a 134 63 ug/kg SW846 8270DPyrene a 355 63 ug/kg SW846 8270DCT-ETPH (C9-C36) 54.5 31 mg/kg CT-ETPH 7/06Arsenic a 6.8 4.0 mg/kg SW846 6010CBarium a 53.4 40 mg/kg SW846 6010CChromium a 47.3 2.0 mg/kg SW846 6010CLead a 15.8 4.0 mg/kg SW846 6010CTotal Organic Carbon a 32800 1900 mg/kg SW846 9060A

MC50199-18A SB-18 1.5-3

Chromium a 0.068 0.050 mg/l SW846 6010C

MC50199-19 SB-10 1.5-3

Acetone e 67.5 24 ug/kg SW846 8260CCarbon disulfide a 24.9 4.7 ug/kg SW846 8260CCT-ETPH (C9-C36) 177 45 mg/kg CT-ETPH 7/06

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Summary of Hits Page 12 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Barium a 64.6 55 mg/kg SW846 6010CChromium a 35.9 2.8 mg/kg SW846 6010CLead a 12.5 5.5 mg/kg SW846 6010CTotal Organic Carbon a 71300 2800 mg/kg SW846 9060A

MC50199-19A SB-10 1.5-3

No hits reported in this sample.

MC50199-20 SB-7 0-1

Acenaphthene a 45.7 44 ug/kg SW846 8270DAcenaphthylene a 557 44 ug/kg SW846 8270DAnthracene a 481 44 ug/kg SW846 8270DBenzo(a)anthracene a 1450 44 ug/kg SW846 8270DBenzo(a)pyrene a 1670 44 ug/kg SW846 8270DBenzo(b)fluoranthene a 2150 44 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1130 44 ug/kg SW846 8270DBenzo(k)fluoranthene a 838 44 ug/kg SW846 8270DChrysene a 1600 44 ug/kg SW846 8270DDibenzo(a,h)anthracene a 300 44 ug/kg SW846 8270DFluoranthene a 2540 44 ug/kg SW846 8270DFluorene a 87.3 44 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1290 44 ug/kg SW846 8270DNaphthalene a 114 44 ug/kg SW846 8270DPhenanthrene a 925 44 ug/kg SW846 8270DPyrene a 2790 44 ug/kg SW846 8270DCT-ETPH (C9-C36) 462 22 mg/kg CT-ETPH 7/064,4'-DDT g 13.9 6.7 ug/kg SW846 8081BAroclor 1248 93.8 33 ug/kg SW846 8082AAroclor 1254 d 88.6 33 ug/kg SW846 8082AArsenic a 7.8 2.7 mg/kg SW846 6010CBarium a 72.2 27 mg/kg SW846 6010CChromium a 32.9 1.3 mg/kg SW846 6010CLead a 392 2.7 mg/kg SW846 6010CMercury a 1.7 0.17 mg/kg SW846 7471BTotal Organic Carbon b 43200 1400 mg/kg SW846 9060A

MC50199-20A SB-7 0-1

Lead a 0.037 0.015 mg/l SW846 6010C

MC50199-21 SB-8 0-1

Acenaphthene a 88.7 44 ug/kg SW846 8270D

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Summary of Hits Page 13 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Acenaphthylene a 542 44 ug/kg SW846 8270DAnthracene a 448 44 ug/kg SW846 8270DBenzo(a)anthracene a 1340 44 ug/kg SW846 8270DBenzo(a)pyrene a 1520 44 ug/kg SW846 8270DBenzo(b)fluoranthene a 2140 44 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1040 44 ug/kg SW846 8270DBenzo(k)fluoranthene a 827 44 ug/kg SW846 8270DChrysene a 1760 44 ug/kg SW846 8270DDibenzo(a,h)anthracene a 286 44 ug/kg SW846 8270DFluoranthene a 2880 44 ug/kg SW846 8270DFluorene a 246 44 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1240 44 ug/kg SW846 8270DNaphthalene a 91.2 44 ug/kg SW846 8270DPhenanthrene a 2020 44 ug/kg SW846 8270DPyrene a 3120 44 ug/kg SW846 8270DCT-ETPH (C9-C36) 525 21 mg/kg CT-ETPH 7/064,4'-DDT g 19.3 6.5 ug/kg SW846 8081BAroclor 1254 d 56.0 32 ug/kg SW846 8082AAroclor 1260 116 32 ug/kg SW846 8082AArsenic a 5.3 2.6 mg/kg SW846 6010CBarium a 52.4 26 mg/kg SW846 6010CChromium a 25.5 1.3 mg/kg SW846 6010CLead a 284 2.6 mg/kg SW846 6010CMercury a 0.49 0.034 mg/kg SW846 7471BTotal Organic Carbon b 50600 1300 mg/kg SW846 9060A

MC50199-21A SB-8 0-1

Lead a 0.061 0.015 mg/l SW846 6010C

MC50199-22 SB-11 0-1

Acenaphthene a 70.6 35 ug/kg SW846 8270DAcenaphthylene a 515 35 ug/kg SW846 8270DAnthracene a 506 35 ug/kg SW846 8270DBenzo(a)anthracene a 1350 35 ug/kg SW846 8270DBenzo(a)pyrene a 1670 35 ug/kg SW846 8270DBenzo(b)fluoranthene a 2600 35 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1310 35 ug/kg SW846 8270DBenzo(k)fluoranthene a 908 35 ug/kg SW846 8270DChrysene a 1790 35 ug/kg SW846 8270DDibenzo(a,h)anthracene a 304 35 ug/kg SW846 8270DFluoranthene a 2210 35 ug/kg SW846 8270DFluorene a 80.6 35 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1480 35 ug/kg SW846 8270D

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Summary of Hits Page 14 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Phenanthrene a 698 35 ug/kg SW846 8270DPyrene a 2790 35 ug/kg SW846 8270DCT-ETPH (C9-C36) 355 84 mg/kg CT-ETPH 7/064,4'-DDT g 13.0 5.1 ug/kg SW846 8081BAroclor 1254 d 121 26 ug/kg SW846 8082AAroclor 1260 172 26 ug/kg SW846 8082AArsenic a 3.3 2.1 mg/kg SW846 6010CBarium a 66.0 21 mg/kg SW846 6010CChromium a 21.7 1.0 mg/kg SW846 6010CLead a 163 2.1 mg/kg SW846 6010CMercury a 0.40 0.035 mg/kg SW846 7471BTotal Organic Carbon b 25200 1100 mg/kg SW846 9060A

MC50199-22A SB-11 0-1

Lead a 0.11 0.015 mg/l SW846 6010C

MC50199-23 SB-12 0-1

Acenaphthylene a 75.0 37 ug/kg SW846 8270DAnthracene a 66.5 37 ug/kg SW846 8270DBenzo(a)anthracene a 259 37 ug/kg SW846 8270DBenzo(a)pyrene a 312 37 ug/kg SW846 8270DBenzo(b)fluoranthene a 409 37 ug/kg SW846 8270DBenzo(g,h,i)perylene a 212 37 ug/kg SW846 8270DBenzo(k)fluoranthene a 158 37 ug/kg SW846 8270DChrysene a 306 37 ug/kg SW846 8270DDibenzo(a,h)anthracene a 55.1 37 ug/kg SW846 8270DFluoranthene a 473 37 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 233 37 ug/kg SW846 8270DPhenanthrene a 178 37 ug/kg SW846 8270DPyrene a 555 37 ug/kg SW846 8270DCT-ETPH (C9-C36) 80.9 18 mg/kg CT-ETPH 7/06Aroclor 1254 47.7 28 ug/kg SW846 8082AArsenic a 4.1 2.2 mg/kg SW846 6010CBarium a 66.6 22 mg/kg SW846 6010CChromium a 25.1 1.1 mg/kg SW846 6010CLead a 94.8 2.2 mg/kg SW846 6010CMercury a 0.81 0.033 mg/kg SW846 7471BTotal Organic Carbon a 23900 1100 mg/kg SW846 9060A

MC50199-23A SB-12 0-1

No hits reported in this sample.

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Summary of Hits Page 15 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-24 SB-13 0-1

Acenaphthylene a 161 41 ug/kg SW846 8270DAnthracene a 200 41 ug/kg SW846 8270DBenzo(a)anthracene a 1130 41 ug/kg SW846 8270DBenzo(a)pyrene a 1450 41 ug/kg SW846 8270DBenzo(b)fluoranthene a 2200 41 ug/kg SW846 8270DBenzo(g,h,i)perylene a 1180 41 ug/kg SW846 8270DBenzo(k)fluoranthene a 804 41 ug/kg SW846 8270DChrysene a 1560 41 ug/kg SW846 8270DDibenzo(a,h)anthracene a 294 41 ug/kg SW846 8270DFluoranthene a 2270 41 ug/kg SW846 8270DFluorene a 50.8 41 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 1370 41 ug/kg SW846 8270DPhenanthrene a 786 41 ug/kg SW846 8270DPyrene a 2470 41 ug/kg SW846 8270DCT-ETPH (C9-C36) 177 20 mg/kg CT-ETPH 7/064,4'-DDT g 7.7 5.9 ug/kg SW846 8081BArsenic a 5.1 2.4 mg/kg SW846 6010CBarium a 66.5 24 mg/kg SW846 6010CChromium a 21.5 1.2 mg/kg SW846 6010CLead a 82.2 2.4 mg/kg SW846 6010CMercury a 0.28 0.037 mg/kg SW846 7471BTotal Organic Carbon a 43400 1200 mg/kg SW846 9060A

MC50199-24A SB-13 0-1

Lead a 0.016 0.015 mg/l SW846 6010C

MC50199-25 SB-15 0-1

Acenaphthylene a 187 39 ug/kg SW846 8270DAnthracene a 123 39 ug/kg SW846 8270DBenzo(a)anthracene a 410 39 ug/kg SW846 8270DBenzo(a)pyrene a 488 39 ug/kg SW846 8270DBenzo(b)fluoranthene a 603 39 ug/kg SW846 8270DBenzo(g,h,i)perylene a 310 39 ug/kg SW846 8270DBenzo(k)fluoranthene a 214 39 ug/kg SW846 8270DChrysene a 491 39 ug/kg SW846 8270DDibenzo(a,h)anthracene a 80.5 39 ug/kg SW846 8270DFluoranthene a 685 39 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 329 39 ug/kg SW846 8270DPhenanthrene a 322 39 ug/kg SW846 8270DPyrene a 898 39 ug/kg SW846 8270DCT-ETPH (C9-C36) 150 19 mg/kg CT-ETPH 7/06

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Summary of Hits Page 16 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

4,4'-DDT g 6.4 5.6 ug/kg SW846 8081BArsenic a 6.1 2.3 mg/kg SW846 6010CBarium a 73.7 23 mg/kg SW846 6010CChromium a 22.9 1.2 mg/kg SW846 6010CLead a 97.8 2.3 mg/kg SW846 6010CMercury a 0.18 0.035 mg/kg SW846 7471BTotal Organic Carbon a 31900 1200 mg/kg SW846 9060A

MC50199-25A SB-15 0-1

Lead a 0.041 0.015 mg/l SW846 6010C

MC50199-26 SB-19 0-1

Acenaphthene a 57.3 34 ug/kg SW846 8270DAcenaphthylene a 57.6 34 ug/kg SW846 8270DAnthracene a 164 34 ug/kg SW846 8270DBenzo(a)anthracene a 630 34 ug/kg SW846 8270DBenzo(a)pyrene a 645 34 ug/kg SW846 8270DBenzo(b)fluoranthene a 848 34 ug/kg SW846 8270DBenzo(g,h,i)perylene a 454 34 ug/kg SW846 8270DBenzo(k)fluoranthene a 342 34 ug/kg SW846 8270DChrysene a 691 34 ug/kg SW846 8270DDibenzo(a,h)anthracene a 114 34 ug/kg SW846 8270DFluoranthene a 1240 34 ug/kg SW846 8270DFluorene a 55.6 34 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 507 34 ug/kg SW846 8270DNaphthalene a 47.2 34 ug/kg SW846 8270DPhenanthrene a 668 34 ug/kg SW846 8270DPyrene a 1290 34 ug/kg SW846 8270DCT-ETPH (C9-C36) 237 16 mg/kg CT-ETPH 7/064,4'-DDT g 8.8 5.0 ug/kg SW846 8081BAroclor 1254 69.2 25 ug/kg SW846 8082AAroclor 1260 d 62.4 25 ug/kg SW846 8082AArsenic a 4.6 2.2 mg/kg SW846 6010CBarium a 122 22 mg/kg SW846 6010CChromium h 57.2 5.4 mg/kg SW846 6010CLead h 165 11 mg/kg SW846 6010CMercury a 0.059 0.033 mg/kg SW846 7471B

MC50199-26A SB-19 0-1

Cadmium a 0.013 0.0050 mg/l SW846 6010CLead a 0.19 0.015 mg/l SW846 6010C

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Summary of Hits Page 17 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-27 SB-20 0-1

Acetone e 12.2 8.1 ug/kg SW846 8260CAcenaphthylene a 69.2 35 ug/kg SW846 8270DAnthracene a 98.5 35 ug/kg SW846 8270DBenzo(a)anthracene a 329 35 ug/kg SW846 8270DBenzo(a)pyrene a 352 35 ug/kg SW846 8270DBenzo(b)fluoranthene a 475 35 ug/kg SW846 8270DBenzo(g,h,i)perylene a 270 35 ug/kg SW846 8270DBenzo(k)fluoranthene a 190 35 ug/kg SW846 8270DChrysene a 385 35 ug/kg SW846 8270DDibenzo(a,h)anthracene a 61.7 35 ug/kg SW846 8270DFluoranthene a 632 35 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 306 35 ug/kg SW846 8270DPhenanthrene a 299 35 ug/kg SW846 8270DPyrene a 687 35 ug/kg SW846 8270DCT-ETPH (C9-C36) 163 18 mg/kg CT-ETPH 7/064,4'-DDT g 5.7 5.4 ug/kg SW846 8081BAroclor 1254 d 29.8 27 ug/kg SW846 8082AAroclor 1260 43.5 27 ug/kg SW846 8082AArsenic a 6.5 2.2 mg/kg SW846 6010CBarium a 131 22 mg/kg SW846 6010CCadmium a 0.71 0.55 mg/kg SW846 6010CChromium a 34.8 1.1 mg/kg SW846 6010CLead a 252 2.2 mg/kg SW846 6010CMercury a 0.49 0.034 mg/kg SW846 7471B

MC50199-27A SB-20 0-1

Cadmium a 0.0069 0.0050 mg/l SW846 6010CLead a 0.30 0.015 mg/l SW846 6010C

MC50199-28 SB-21 0-1

Acenaphthylene a 250 37 ug/kg SW846 8270DAnthracene a 262 37 ug/kg SW846 8270DBenzo(a)anthracene a 989 37 ug/kg SW846 8270DBenzo(a)pyrene a 1160 37 ug/kg SW846 8270DBenzo(b)fluoranthene a 1490 37 ug/kg SW846 8270DBenzo(g,h,i)perylene a 782 37 ug/kg SW846 8270DBenzo(k)fluoranthene a 534 37 ug/kg SW846 8270DChrysene a 1130 37 ug/kg SW846 8270DDibenzo(a,h)anthracene a 206 37 ug/kg SW846 8270DFluoranthene a 1540 37 ug/kg SW846 8270DFluorene a 43.0 37 ug/kg SW846 8270D

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Summary of Hits Page 18 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

Indeno(1,2,3-cd)pyrene a 875 37 ug/kg SW846 8270DNaphthalene a 38.1 37 ug/kg SW846 8270DPhenanthrene a 562 37 ug/kg SW846 8270DPyrene a 1890 37 ug/kg SW846 8270DCT-ETPH (C9-C36) 331 85 mg/kg CT-ETPH 7/06Arsenic h 5.2 4.6 mg/kg SW846 6010CBarium a 257 23 mg/kg SW846 6010CChromium h 81.1 2.3 mg/kg SW846 6010CLead h 134 4.6 mg/kg SW846 6010CMercury a 0.058 0.035 mg/kg SW846 7471B

MC50199-28A SB-21 0-1

Lead a 0.13 0.015 mg/l SW846 6010C

MC50199-29 DUP

Acenaphthylene a 246 40 ug/kg SW846 8270DAnthracene a 231 40 ug/kg SW846 8270DBenzo(a)anthracene a 591 40 ug/kg SW846 8270DBenzo(a)pyrene a 751 40 ug/kg SW846 8270DBenzo(b)fluoranthene a 1090 40 ug/kg SW846 8270DBenzo(g,h,i)perylene a 588 40 ug/kg SW846 8270DBenzo(k)fluoranthene a 434 40 ug/kg SW846 8270DChrysene a 840 40 ug/kg SW846 8270DDibenzo(a,h)anthracene a 139 40 ug/kg SW846 8270DFluoranthene a 1180 40 ug/kg SW846 8270DFluorene a 44.1 40 ug/kg SW846 8270DIndeno(1,2,3-cd)pyrene a 645 40 ug/kg SW846 8270DNaphthalene a 53.8 40 ug/kg SW846 8270DPhenanthrene a 494 40 ug/kg SW846 8270DPyrene a 1370 40 ug/kg SW846 8270DCT-ETPH (C9-C36) 323 21 mg/kg CT-ETPH 7/064,4'-DDT g 11.9 6.3 ug/kg SW846 8081BAroclor 1254 i 33.5 32 ug/kg SW846 8082AAroclor 1260 74.3 32 ug/kg SW846 8082AArsenic a 4.9 2.7 mg/kg SW846 6010CBarium a 48.2 27 mg/kg SW846 6010CChromium a 23.6 1.4 mg/kg SW846 6010CLead a 216 2.7 mg/kg SW846 6010CMercury a 0.78 0.034 mg/kg SW846 7471BTotal Organic Carbon b 30000 1300 mg/kg SW846 9060A

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Summary of Hits Page 19 of 19 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

Lab Sample ID Client Sample ID Result/Analyte Qual RL MDL Units Method

MC50199-29A DUP

Lead a 0.042 0.015 mg/l SW846 6010C

MC50199-30 TRIP BLANK

Acetone e 17.5 10 ug/kg SW846 8260C

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.(c) Analysis performed at SGS Accutest, Dayton, NJ. Response factor for this compound is below 0.05 in the

initial and continuing calibrations.(d) Estimated value due to the presence of other Aroclor pattern.(e) Analysis performed at SGS Accutest, Dayton, NJ. Response factor for this compound is below 0.05 in the inital

and continuing calibrations.(f) Elevated detection limit due to high final volume of viscous extract. Analysis performed at SGS Accutest,

Dayton, NJ.(g) Confirmation value >40% RPD.(h) Elevated detection limit due to dilution required for high interfering element. Analysis performed at SGS

Accutest, Dayton, NJ.(i) Estimated value due to the presence of other Aroclor pattern.Confirmation value >40% RPD

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SGS Accutest

Sample Results

Report of Analysis

New EnglandSection 4

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a Y171810.D 1 04/25/17 ANJ n/a n/a N:VY7434Run #2

Initial WeightRun #1 8.8 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 23.0 6.7 ug/kg107-13-1 Acrylonitrile ND 6.7 ug/kg71-43-2 Benzene ND 0.33 ug/kg108-86-1 Bromobenzene ND 3.3 ug/kg75-27-4 Bromodichloromethane ND 1.3 ug/kg75-25-2 Bromoform ND 3.3 ug/kg74-83-9 Bromomethane ND 3.3 ug/kg78-93-3 2-Butanone (MEK) b ND 6.7 ug/kg104-51-8 n-Butylbenzene ND 1.3 ug/kg135-98-8 sec-Butylbenzene ND 1.3 ug/kg98-06-6 tert-Butylbenzene ND 1.3 ug/kg75-15-0 Carbon disulfide ND 1.3 ug/kg56-23-5 Carbon tetrachloride ND 1.3 ug/kg108-90-7 Chlorobenzene ND 1.3 ug/kg75-00-3 Chloroethane ND 3.3 ug/kg67-66-3 Chloroform ND 1.3 ug/kg74-87-3 Chloromethane ND 3.3 ug/kg95-49-8 o-Chlorotoluene ND 1.3 ug/kg106-43-4 p-Chlorotoluene ND 1.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.3 ug/kg124-48-1 Dibromochloromethane ND 1.3 ug/kg106-93-4 1,2-Dibromoethane ND 0.67 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.67 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.67 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.67 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 3.3 ug/kg75-71-8 Dichlorodifluoromethane ND 3.3 ug/kg75-34-3 1,1-Dichloroethane ND 0.67 ug/kg107-06-2 1,2-Dichloroethane ND 0.67 ug/kg75-35-4 1,1-Dichloroethene ND 0.67 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.67 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.67 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.3 ug/kg142-28-9 1,3-Dichloropropane ND 1.3 ug/kg594-20-7 2,2-Dichloropropane ND 1.3 ug/kg563-58-6 1,1-Dichloropropene ND 1.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.3 ug/kg100-41-4 Ethylbenzene ND 0.67 ug/kg76-13-1 Freon 113 ND 3.3 ug/kg87-68-3 Hexachlorobutadiene ND 3.3 ug/kg591-78-6 2-Hexanone ND 3.3 ug/kg98-82-8 Isopropylbenzene ND 1.3 ug/kg99-87-6 p-Isopropyltoluene ND 1.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.67 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 3.3 ug/kg74-95-3 Methylene bromide ND 3.3 ug/kg75-09-2 Methylene chloride ND 3.3 ug/kg91-20-3 Naphthalene ND 3.3 ug/kg103-65-1 n-Propylbenzene ND 1.3 ug/kg100-42-5 Styrene ND 1.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.3 ug/kg127-18-4 Tetrachloroethene ND 1.3 ug/kg109-99-9 Tetrahydrofuran c ND 6.7 ug/kg108-88-3 Toluene ND 0.67 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 3.3 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 3.3 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.3 ug/kg79-01-6 Trichloroethene ND 0.67 ug/kg75-69-4 Trichlorofluoromethane ND 3.3 ug/kg96-18-4 1,2,3-Trichloropropane ND 3.3 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.3 ug/kg75-01-4 Vinyl chloride ND 1.3 ug/kg

m,p-Xylene ND 0.67 ug/kg95-47-6 o-Xylene ND 0.67 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 99% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 95% 68-124%2037-26-5 Toluene-D8 98% 77-125%460-00-4 4-Bromofluorobenzene 113% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3E92885.D 1 04/28/17 ANJ 04/26/17 N:OP2255 N:E3E4131Run #2

Initial Weight Final VolumeRun #1 30.4 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 39 ug/kg208-96-8 Acenaphthylene 130 39 ug/kg120-12-7 Anthracene 128 39 ug/kg56-55-3 Benzo(a)anthracene 352 39 ug/kg50-32-8 Benzo(a)pyrene 474 39 ug/kg205-99-2 Benzo(b)fluoranthene 545 39 ug/kg191-24-2 Benzo(g,h,i)perylene 382 39 ug/kg207-08-9 Benzo(k)fluoranthene 219 39 ug/kg218-01-9 Chrysene 420 39 ug/kg53-70-3 Dibenzo(a,h)anthracene 91.4 39 ug/kg206-44-0 Fluoranthene 746 39 ug/kg86-73-7 Fluorene ND 39 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 380 39 ug/kg91-57-6 2-Methylnaphthalene ND 77 ug/kg91-20-3 Naphthalene ND 39 ug/kg85-01-8 Phenanthrene 289 39 ug/kg129-00-0 Pyrene 904 39 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 76% 26-134%321-60-8 2-Fluorobiphenyl 86% 39-124%1718-51-0 Terphenyl-d14 101% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54784.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.2 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 58 ug/kg309-00-2 Aldrin ND 5.8 ug/kg319-84-6 alpha-BHC ND 5.8 ug/kg319-85-7 beta-BHC ND 5.8 ug/kg319-86-8 delta-BHC ND 5.8 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.8 ug/kg12789-03-6 Chlordane ND 58 ug/kg60-57-1 Dieldrin ND 5.8 ug/kg72-54-8 4,4'-DDD ND 5.8 ug/kg72-55-9 4,4'-DDE ND 5.8 ug/kg50-29-3 4,4'-DDT ND 5.8 ug/kg72-20-8 Endrin ND 5.8 ug/kg1031-07-8 Endosulfan sulfate ND 5.8 ug/kg7421-93-4 Endrin aldehyde ND 5.8 ug/kg959-98-8 Endosulfan-I ND 5.8 ug/kg33213-65-9 Endosulfan-II ND 5.8 ug/kg76-44-8 Heptachlor ND 5.8 ug/kg1024-57-3 Heptachlor epoxide ND 5.8 ug/kg72-43-5 Methoxychlor ND 5.8 ug/kg53494-70-5 Endrin ketone ND 5.8 ug/kg8001-35-2 Toxaphene ND 58 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 77% 10-143%877-09-8 Tetrachloro-m-xylene 48% 10-143%2051-24-3 Decachlorobiphenyl 57% 10-172%2051-24-3 Decachlorobiphenyl 60% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65271.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.2 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 29 ug/kg11104-28-2 Aroclor 1221 ND 29 ug/kg11141-16-5 Aroclor 1232 ND 29 ug/kg53469-21-9 Aroclor 1242 ND 29 ug/kg12672-29-6 Aroclor 1248 ND 29 ug/kg11097-69-1 Aroclor 1254 33.2 29 ug/kg11096-82-5 Aroclor 1260 ND 29 ug/kg37324-23-5 Aroclor 1262 ND 29 ug/kg11100-14-4 Aroclor 1268 ND 29 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 85% 25-145%877-09-8 Tetrachloro-m-xylene 69% 25-145%2051-24-3 Decachlorobiphenyl 104% 25-179%2051-24-3 Decachlorobiphenyl 96% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4900.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.1 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 181 19 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 99% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 4.6 2.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 65.6 24 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.59 0.59 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 19.0 1.2 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 199 2.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.88 0.074 mg/kg 2 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <2.4 2.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.59 0.59 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 85 % 1 04/23/17 13:00 ANJ SM2540 G-97

Total Organic Carbon b 25200 1200 mg/kg 1 04/24/17 10:08 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-1 0-1 Lab Sample ID: MC50199-1A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Lead a 0.48 D008 5.0 0.015 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 5

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41866(3) Instrument QC Batch: N:MA41875(4) Prep QC Batch: N:MP171(5) Prep QC Batch: N:MP187

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168201.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 5.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 52.4 13 ug/kg107-13-1 Acrylonitrile ND 13 ug/kg71-43-2 Benzene ND 0.65 ug/kg108-86-1 Bromobenzene ND 6.5 ug/kg75-27-4 Bromodichloromethane ND 2.6 ug/kg75-25-2 Bromoform ND 6.5 ug/kg74-83-9 Bromomethane c ND 6.5 ug/kg78-93-3 2-Butanone (MEK) b ND 13 ug/kg104-51-8 n-Butylbenzene ND 2.6 ug/kg135-98-8 sec-Butylbenzene ND 2.6 ug/kg98-06-6 tert-Butylbenzene ND 2.6 ug/kg75-15-0 Carbon disulfide ND 2.6 ug/kg56-23-5 Carbon tetrachloride ND 2.6 ug/kg108-90-7 Chlorobenzene ND 2.6 ug/kg75-00-3 Chloroethane c ND 6.5 ug/kg67-66-3 Chloroform ND 2.6 ug/kg74-87-3 Chloromethane c ND 6.5 ug/kg95-49-8 o-Chlorotoluene ND 2.6 ug/kg106-43-4 p-Chlorotoluene ND 2.6 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.6 ug/kg124-48-1 Dibromochloromethane ND 2.6 ug/kg106-93-4 1,2-Dibromoethane ND 1.3 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.3 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.3 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.3 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 6.5 ug/kg75-71-8 Dichlorodifluoromethane ND 6.5 ug/kg75-34-3 1,1-Dichloroethane ND 1.3 ug/kg107-06-2 1,2-Dichloroethane ND 1.3 ug/kg75-35-4 1,1-Dichloroethene ND 1.3 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.3 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.3 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.6 ug/kg142-28-9 1,3-Dichloropropane ND 2.6 ug/kg594-20-7 2,2-Dichloropropane ND 2.6 ug/kg563-58-6 1,1-Dichloropropene ND 2.6 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.6 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.6 ug/kg100-41-4 Ethylbenzene ND 1.3 ug/kg76-13-1 Freon 113 c ND 6.5 ug/kg87-68-3 Hexachlorobutadiene c ND 6.5 ug/kg591-78-6 2-Hexanone d ND 6.5 ug/kg98-82-8 Isopropylbenzene ND 2.6 ug/kg99-87-6 p-Isopropyltoluene ND 2.6 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.3 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.5 ug/kg74-95-3 Methylene bromide ND 6.5 ug/kg75-09-2 Methylene chloride ND 6.5 ug/kg91-20-3 Naphthalene ND 6.5 ug/kg103-65-1 n-Propylbenzene ND 2.6 ug/kg100-42-5 Styrene ND 2.6 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.6 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.6 ug/kg127-18-4 Tetrachloroethene ND 2.6 ug/kg109-99-9 Tetrahydrofuran ND 13 ug/kg108-88-3 Toluene ND 1.3 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.5 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.5 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.6 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.6 ug/kg79-01-6 Trichloroethene ND 1.3 ug/kg75-69-4 Trichlorofluoromethane ND 6.5 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.5 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.6 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.6 ug/kg75-01-4 Vinyl chloride ND 2.6 ug/kg

m,p-Xylene ND 1.3 ug/kg95-47-6 o-Xylene ND 1.3 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 107% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 94% 77-125%460-00-4 4-Bromofluorobenzene 90% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the initial and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37011.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.9 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 82.8 49 ug/kg208-96-8 Acenaphthylene 255 49 ug/kg120-12-7 Anthracene 346 49 ug/kg56-55-3 Benzo(a)anthracene 1200 49 ug/kg50-32-8 Benzo(a)pyrene 1530 49 ug/kg205-99-2 Benzo(b)fluoranthene 2150 49 ug/kg191-24-2 Benzo(g,h,i)perylene 1160 49 ug/kg207-08-9 Benzo(k)fluoranthene 826 49 ug/kg218-01-9 Chrysene 1400 49 ug/kg53-70-3 Dibenzo(a,h)anthracene 283 49 ug/kg206-44-0 Fluoranthene 2300 49 ug/kg86-73-7 Fluorene 116 49 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1170 49 ug/kg91-57-6 2-Methylnaphthalene ND 99 ug/kg91-20-3 Naphthalene 102 49 ug/kg85-01-8 Phenanthrene 1060 49 ug/kg129-00-0 Pyrene 2770 49 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 85% 26-134%321-60-8 2-Fluorobiphenyl 81% 39-124%1718-51-0 Terphenyl-d14 76% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54785.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 23.6 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 65 ug/kg309-00-2 Aldrin ND 6.5 ug/kg319-84-6 alpha-BHC ND 6.5 ug/kg319-85-7 beta-BHC ND 6.5 ug/kg319-86-8 delta-BHC ND 6.5 ug/kg58-89-9 gamma-BHC (Lindane) ND 6.5 ug/kg12789-03-6 Chlordane ND 65 ug/kg60-57-1 Dieldrin ND 6.5 ug/kg72-54-8 4,4'-DDD ND 6.5 ug/kg72-55-9 4,4'-DDE ND 6.5 ug/kg50-29-3 4,4'-DDT ND 6.5 ug/kg72-20-8 Endrin ND 6.5 ug/kg1031-07-8 Endosulfan sulfate ND 6.5 ug/kg7421-93-4 Endrin aldehyde ND 6.5 ug/kg959-98-8 Endosulfan-I ND 6.5 ug/kg33213-65-9 Endosulfan-II ND 6.5 ug/kg76-44-8 Heptachlor ND 6.5 ug/kg1024-57-3 Heptachlor epoxide ND 6.5 ug/kg72-43-5 Methoxychlor ND 6.5 ug/kg53494-70-5 Endrin ketone ND 6.5 ug/kg8001-35-2 Toxaphene ND 65 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 56% 10-143%877-09-8 Tetrachloro-m-xylene 29% 10-143%2051-24-3 Decachlorobiphenyl 42% 10-172%2051-24-3 Decachlorobiphenyl 52% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65272.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 23.6 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 32 ug/kg11104-28-2 Aroclor 1221 ND 32 ug/kg11141-16-5 Aroclor 1232 ND 32 ug/kg53469-21-9 Aroclor 1242 ND 32 ug/kg12672-29-6 Aroclor 1248 223 32 ug/kg11097-69-1 Aroclor 1254 a 209 32 ug/kg11096-82-5 Aroclor 1260 a 61.6 32 ug/kg37324-23-5 Aroclor 1262 ND 32 ug/kg11100-14-4 Aroclor 1268 ND 32 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 59% 25-145%877-09-8 Tetrachloro-m-xylene 46% 25-145%2051-24-3 Decachlorobiphenyl 82% 25-179%2051-24-3 Decachlorobiphenyl 65% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4918.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.6 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 658 24 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 91% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.8 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 100 31 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.76 0.76 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 50.5 1.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 410 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.23 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.1 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.76 0.76 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 65.5 % 1 04/23/17 13:00 ANJ SM2540 G-97

Total Organic Carbon b 32500 1500 mg/kg 1 04/24/17 11:14 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 0-2 Lab Sample ID: MC50199-2A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Lead a 0.25 D008 5.0 0.015 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 5

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41866(3) Instrument QC Batch: N:MA41875(4) Prep QC Batch: N:MP171(5) Prep QC Batch: N:MP187

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Report of Analysis Page 1 of 3

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a Y171811.D 1 04/25/17 ANJ n/a n/a N:VY7434Run #2

Initial WeightRun #1 5.5 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 74.5 16 ug/kg107-13-1 Acrylonitrile ND 16 ug/kg71-43-2 Benzene ND 0.80 ug/kg108-86-1 Bromobenzene ND 8.0 ug/kg75-27-4 Bromodichloromethane ND 3.2 ug/kg75-25-2 Bromoform ND 8.0 ug/kg74-83-9 Bromomethane ND 8.0 ug/kg78-93-3 2-Butanone (MEK) b ND 16 ug/kg104-51-8 n-Butylbenzene ND 3.2 ug/kg135-98-8 sec-Butylbenzene ND 3.2 ug/kg98-06-6 tert-Butylbenzene ND 3.2 ug/kg75-15-0 Carbon disulfide ND 3.2 ug/kg56-23-5 Carbon tetrachloride ND 3.2 ug/kg108-90-7 Chlorobenzene ND 3.2 ug/kg75-00-3 Chloroethane ND 8.0 ug/kg67-66-3 Chloroform ND 3.2 ug/kg74-87-3 Chloromethane ND 8.0 ug/kg95-49-8 o-Chlorotoluene ND 3.2 ug/kg106-43-4 p-Chlorotoluene ND 3.2 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 3.2 ug/kg124-48-1 Dibromochloromethane ND 3.2 ug/kg106-93-4 1,2-Dibromoethane ND 1.6 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.6 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.6 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.6 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 8.0 ug/kg75-71-8 Dichlorodifluoromethane ND 8.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.6 ug/kg107-06-2 1,2-Dichloroethane ND 1.6 ug/kg75-35-4 1,1-Dichloroethene ND 1.6 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.6 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.6 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 3.2 ug/kg142-28-9 1,3-Dichloropropane ND 3.2 ug/kg594-20-7 2,2-Dichloropropane ND 3.2 ug/kg563-58-6 1,1-Dichloropropene ND 3.2 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 3.2 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 3.2 ug/kg100-41-4 Ethylbenzene ND 1.6 ug/kg76-13-1 Freon 113 ND 8.0 ug/kg87-68-3 Hexachlorobutadiene ND 8.0 ug/kg591-78-6 2-Hexanone ND 8.0 ug/kg98-82-8 Isopropylbenzene ND 3.2 ug/kg99-87-6 p-Isopropyltoluene ND 3.2 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.6 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 8.0 ug/kg74-95-3 Methylene bromide ND 8.0 ug/kg75-09-2 Methylene chloride ND 8.0 ug/kg91-20-3 Naphthalene ND 8.0 ug/kg103-65-1 n-Propylbenzene ND 3.2 ug/kg100-42-5 Styrene ND 3.2 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 3.2 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 3.2 ug/kg127-18-4 Tetrachloroethene ND 3.2 ug/kg109-99-9 Tetrahydrofuran c ND 16 ug/kg108-88-3 Toluene ND 1.6 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 8.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 8.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 3.2 ug/kg79-00-5 1,1,2-Trichloroethane ND 3.2 ug/kg79-01-6 Trichloroethene ND 1.6 ug/kg75-69-4 Trichlorofluoromethane ND 8.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 8.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 3.2 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 3.2 ug/kg75-01-4 Vinyl chloride ND 3.2 ug/kg

m,p-Xylene ND 1.6 ug/kg95-47-6 o-Xylene ND 1.6 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 99% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 3 of 3

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 95% 68-124%2037-26-5 Toluene-D8 98% 77-125%460-00-4 4-Bromofluorobenzene 113% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37012.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2 a 6P37042.D 5 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707

Initial Weight Final VolumeRun #1 30.8 g 1.0 mlRun #2 30.8 g 1.0 ml

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 138 57 ug/kg208-96-8 Acenaphthylene 1800 57 ug/kg120-12-7 Anthracene 1150 57 ug/kg56-55-3 Benzo(a)anthracene 3550 57 ug/kg50-32-8 Benzo(a)pyrene 5090 57 ug/kg205-99-2 Benzo(b)fluoranthene 7830 b 290 ug/kg191-24-2 Benzo(g,h,i)perylene 4020 57 ug/kg207-08-9 Benzo(k)fluoranthene 2070 57 ug/kg218-01-9 Chrysene 3620 57 ug/kg53-70-3 Dibenzo(a,h)anthracene 1080 57 ug/kg206-44-0 Fluoranthene 4850 57 ug/kg86-73-7 Fluorene 271 57 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 3960 57 ug/kg91-57-6 2-Methylnaphthalene 219 110 ug/kg91-20-3 Naphthalene 492 57 ug/kg85-01-8 Phenanthrene 1630 57 ug/kg129-00-0 Pyrene 11800 b 290 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 81% 79% 26-134%321-60-8 2-Fluorobiphenyl 79% 78% 39-124%1718-51-0 Terphenyl-d14 76% 73% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Result is from Run# 2

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54786.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.3 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 87 ug/kg309-00-2 Aldrin ND 8.7 ug/kg319-84-6 alpha-BHC ND 8.7 ug/kg319-85-7 beta-BHC ND 8.7 ug/kg319-86-8 delta-BHC ND 8.7 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.7 ug/kg12789-03-6 Chlordane ND 87 ug/kg60-57-1 Dieldrin a ND 8.7 ug/kg72-54-8 4,4'-DDD ND 8.7 ug/kg72-55-9 4,4'-DDE a ND 8.7 ug/kg50-29-3 4,4'-DDT a ND 8.7 ug/kg72-20-8 Endrin ND 8.7 ug/kg1031-07-8 Endosulfan sulfate ND 8.7 ug/kg7421-93-4 Endrin aldehyde ND 8.7 ug/kg959-98-8 Endosulfan-I ND 8.7 ug/kg33213-65-9 Endosulfan-II ND 8.7 ug/kg76-44-8 Heptachlor ND 8.7 ug/kg1024-57-3 Heptachlor epoxide ND 8.7 ug/kg72-43-5 Methoxychlor ND 8.7 ug/kg53494-70-5 Endrin ketone ND 8.7 ug/kg8001-35-2 Toxaphene ND 87 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 59% 10-143%877-09-8 Tetrachloro-m-xylene 36% 10-143%2051-24-3 Decachlorobiphenyl 70% 10-172%2051-24-3 Decachlorobiphenyl 119% 10-172%

(a) Indeterminate due to the presence of Arochlor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65273.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.3 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 43 ug/kg11104-28-2 Aroclor 1221 ND 43 ug/kg11141-16-5 Aroclor 1232 ND 43 ug/kg53469-21-9 Aroclor 1242 ND 43 ug/kg12672-29-6 Aroclor 1248 ND 43 ug/kg11097-69-1 Aroclor 1254 778 43 ug/kg11096-82-5 Aroclor 1260 a 443 43 ug/kg37324-23-5 Aroclor 1262 ND 43 ug/kg11100-14-4 Aroclor 1268 ND 43 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 68% 25-145%877-09-8 Tetrachloro-m-xylene 42% 25-145%2051-24-3 Decachlorobiphenyl 90% 25-179%2051-24-3 Decachlorobiphenyl 67% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4919.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.6 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 883 28 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 91% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 14.4 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 123 35 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a 2.5 0.88 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 64.0 1.8 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 257 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.75 0.050 mg/kg 2 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.5 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a 1.3 0.88 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 56.8 % 1 04/23/17 13:00 ANJ SM2540 G-97

Total Organic Carbon a 35800 1800 mg/kg 1 04/24/17 11:50 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-2 2-3 Lab Sample ID: MC50199-3A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 5

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41866(3) Instrument QC Batch: N:MA41875(4) Prep QC Batch: N:MP171(5) Prep QC Batch: N:MP187

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168149A.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 5.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 141 14 ug/kg107-13-1 Acrylonitrile ND 14 ug/kg71-43-2 Benzene ND 0.72 ug/kg108-86-1 Bromobenzene ND 7.2 ug/kg75-27-4 Bromodichloromethane ND 2.9 ug/kg75-25-2 Bromoform ND 7.2 ug/kg74-83-9 Bromomethane ND 7.2 ug/kg78-93-3 2-Butanone (MEK) b 31.3 14 ug/kg104-51-8 n-Butylbenzene ND 2.9 ug/kg135-98-8 sec-Butylbenzene ND 2.9 ug/kg98-06-6 tert-Butylbenzene ND 2.9 ug/kg75-15-0 Carbon disulfide ND 2.9 ug/kg56-23-5 Carbon tetrachloride ND 2.9 ug/kg108-90-7 Chlorobenzene ND 2.9 ug/kg75-00-3 Chloroethane ND 7.2 ug/kg67-66-3 Chloroform ND 2.9 ug/kg74-87-3 Chloromethane ND 7.2 ug/kg95-49-8 o-Chlorotoluene ND 2.9 ug/kg106-43-4 p-Chlorotoluene ND 2.9 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.9 ug/kg124-48-1 Dibromochloromethane ND 2.9 ug/kg106-93-4 1,2-Dibromoethane ND 1.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 7.2 ug/kg75-71-8 Dichlorodifluoromethane ND 7.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.4 ug/kg107-06-2 1,2-Dichloroethane ND 1.4 ug/kg75-35-4 1,1-Dichloroethene ND 1.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.9 ug/kg142-28-9 1,3-Dichloropropane ND 2.9 ug/kg594-20-7 2,2-Dichloropropane ND 2.9 ug/kg563-58-6 1,1-Dichloropropene ND 2.9 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.9 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.9 ug/kg100-41-4 Ethylbenzene ND 1.4 ug/kg76-13-1 Freon 113 ND 7.2 ug/kg87-68-3 Hexachlorobutadiene ND 7.2 ug/kg591-78-6 2-Hexanone ND 7.2 ug/kg98-82-8 Isopropylbenzene ND 2.9 ug/kg99-87-6 p-Isopropyltoluene ND 2.9 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 7.2 ug/kg74-95-3 Methylene bromide ND 7.2 ug/kg75-09-2 Methylene chloride ND 7.2 ug/kg91-20-3 Naphthalene ND 7.2 ug/kg103-65-1 n-Propylbenzene ND 2.9 ug/kg100-42-5 Styrene ND 2.9 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.9 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.9 ug/kg127-18-4 Tetrachloroethene ND 2.9 ug/kg109-99-9 Tetrahydrofuran ND 14 ug/kg108-88-3 Toluene ND 1.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 7.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 7.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.9 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.9 ug/kg79-01-6 Trichloroethene ND 1.4 ug/kg75-69-4 Trichlorofluoromethane ND 7.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 7.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.9 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.9 ug/kg75-01-4 Vinyl chloride ND 2.9 ug/kg

m,p-Xylene ND 1.4 ug/kg95-47-6 o-Xylene ND 1.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 103% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 94% 68-124%2037-26-5 Toluene-D8 96% 77-125%460-00-4 4-Bromofluorobenzene 97% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37013.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.2 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 57 ug/kg208-96-8 Acenaphthylene 121 57 ug/kg120-12-7 Anthracene 125 57 ug/kg56-55-3 Benzo(a)anthracene 494 57 ug/kg50-32-8 Benzo(a)pyrene 647 57 ug/kg205-99-2 Benzo(b)fluoranthene 1010 57 ug/kg191-24-2 Benzo(g,h,i)perylene 603 57 ug/kg207-08-9 Benzo(k)fluoranthene 282 57 ug/kg218-01-9 Chrysene 645 57 ug/kg53-70-3 Dibenzo(a,h)anthracene 134 57 ug/kg206-44-0 Fluoranthene 1010 57 ug/kg86-73-7 Fluorene ND 57 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 597 57 ug/kg91-57-6 2-Methylnaphthalene ND 110 ug/kg91-20-3 Naphthalene ND 57 ug/kg85-01-8 Phenanthrene 345 57 ug/kg129-00-0 Pyrene 893 57 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 68% 26-134%321-60-8 2-Fluorobiphenyl 67% 39-124%1718-51-0 Terphenyl-d14 59% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54787.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 84 ug/kg309-00-2 Aldrin ND 8.4 ug/kg319-84-6 alpha-BHC ND 8.4 ug/kg319-85-7 beta-BHC ND 8.4 ug/kg319-86-8 delta-BHC ND 8.4 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.4 ug/kg12789-03-6 Chlordane ND 84 ug/kg60-57-1 Dieldrin ND 8.4 ug/kg72-54-8 4,4'-DDD ND 8.4 ug/kg72-55-9 4,4'-DDE ND 8.4 ug/kg50-29-3 4,4'-DDT ND 8.4 ug/kg72-20-8 Endrin ND 8.4 ug/kg1031-07-8 Endosulfan sulfate ND 8.4 ug/kg7421-93-4 Endrin aldehyde ND 8.4 ug/kg959-98-8 Endosulfan-I ND 8.4 ug/kg33213-65-9 Endosulfan-II ND 8.4 ug/kg76-44-8 Heptachlor ND 8.4 ug/kg1024-57-3 Heptachlor epoxide ND 8.4 ug/kg72-43-5 Methoxychlor ND 8.4 ug/kg53494-70-5 Endrin ketone ND 8.4 ug/kg8001-35-2 Toxaphene ND 84 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 77% 10-143%877-09-8 Tetrachloro-m-xylene 43% 10-143%2051-24-3 Decachlorobiphenyl 66% 10-172%2051-24-3 Decachlorobiphenyl 70% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65274.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 42 ug/kg11104-28-2 Aroclor 1221 ND 42 ug/kg11141-16-5 Aroclor 1232 ND 42 ug/kg53469-21-9 Aroclor 1242 ND 42 ug/kg12672-29-6 Aroclor 1248 ND 42 ug/kg11097-69-1 Aroclor 1254 66.3 42 ug/kg11096-82-5 Aroclor 1260 a 51.7 42 ug/kg37324-23-5 Aroclor 1262 ND 42 ug/kg11100-14-4 Aroclor 1268 ND 42 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 73% 25-145%877-09-8 Tetrachloro-m-xylene 55% 25-145%2051-24-3 Decachlorobiphenyl 102% 25-179%2051-24-3 Decachlorobiphenyl 75% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4920.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.5 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 906 28 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 82% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 7.3 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 55.0 34 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.85 0.85 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 47.7 1.7 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 256 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.24 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.4 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.85 0.85 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 58.6 % 1 04/23/17 13:00 ANJ SM2540 G-97

Total Organic Carbon a 40700 1700 mg/kg 1 04/24/17 12:34 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-3 0-1 Lab Sample ID: MC50199-4A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Lead a 1.5 D008 5.0 0.015 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 5

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41866(3) Instrument QC Batch: N:MA41875(4) Prep QC Batch: N:MP171(5) Prep QC Batch: N:MP187

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168200.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 6.2 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 64.7 12 ug/kg107-13-1 Acrylonitrile ND 12 ug/kg71-43-2 Benzene ND 0.62 ug/kg108-86-1 Bromobenzene ND 6.2 ug/kg75-27-4 Bromodichloromethane ND 2.5 ug/kg75-25-2 Bromoform ND 6.2 ug/kg74-83-9 Bromomethane c ND 6.2 ug/kg78-93-3 2-Butanone (MEK) b ND 12 ug/kg104-51-8 n-Butylbenzene ND 2.5 ug/kg135-98-8 sec-Butylbenzene ND 2.5 ug/kg98-06-6 tert-Butylbenzene ND 2.5 ug/kg75-15-0 Carbon disulfide ND 2.5 ug/kg56-23-5 Carbon tetrachloride ND 2.5 ug/kg108-90-7 Chlorobenzene ND 2.5 ug/kg75-00-3 Chloroethane c ND 6.2 ug/kg67-66-3 Chloroform ND 2.5 ug/kg74-87-3 Chloromethane c ND 6.2 ug/kg95-49-8 o-Chlorotoluene ND 2.5 ug/kg106-43-4 p-Chlorotoluene ND 2.5 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.5 ug/kg124-48-1 Dibromochloromethane ND 2.5 ug/kg106-93-4 1,2-Dibromoethane ND 1.2 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.2 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.2 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.2 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 6.2 ug/kg75-71-8 Dichlorodifluoromethane ND 6.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.2 ug/kg107-06-2 1,2-Dichloroethane ND 1.2 ug/kg75-35-4 1,1-Dichloroethene ND 1.2 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.2 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.2 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.5 ug/kg142-28-9 1,3-Dichloropropane ND 2.5 ug/kg594-20-7 2,2-Dichloropropane ND 2.5 ug/kg563-58-6 1,1-Dichloropropene ND 2.5 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.5 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.5 ug/kg100-41-4 Ethylbenzene ND 1.2 ug/kg76-13-1 Freon 113 c ND 6.2 ug/kg87-68-3 Hexachlorobutadiene c ND 6.2 ug/kg591-78-6 2-Hexanone d ND 6.2 ug/kg98-82-8 Isopropylbenzene ND 2.5 ug/kg99-87-6 p-Isopropyltoluene ND 2.5 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.2 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.2 ug/kg74-95-3 Methylene bromide ND 6.2 ug/kg75-09-2 Methylene chloride ND 6.2 ug/kg91-20-3 Naphthalene ND 6.2 ug/kg103-65-1 n-Propylbenzene ND 2.5 ug/kg100-42-5 Styrene ND 2.5 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.5 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.5 ug/kg127-18-4 Tetrachloroethene ND 2.5 ug/kg109-99-9 Tetrahydrofuran ND 12 ug/kg108-88-3 Toluene ND 1.2 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.5 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.5 ug/kg79-01-6 Trichloroethene ND 1.2 ug/kg75-69-4 Trichlorofluoromethane ND 6.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.5 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.5 ug/kg75-01-4 Vinyl chloride ND 2.5 ug/kg

m,p-Xylene ND 1.2 ug/kg95-47-6 o-Xylene ND 1.2 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 3 of 3

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 94% 77-125%460-00-4 4-Bromofluorobenzene 90% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the initial and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37014.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.5 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 50 ug/kg208-96-8 Acenaphthylene 111 50 ug/kg120-12-7 Anthracene 119 50 ug/kg56-55-3 Benzo(a)anthracene 416 50 ug/kg50-32-8 Benzo(a)pyrene 525 50 ug/kg205-99-2 Benzo(b)fluoranthene 804 50 ug/kg191-24-2 Benzo(g,h,i)perylene 479 50 ug/kg207-08-9 Benzo(k)fluoranthene 271 50 ug/kg218-01-9 Chrysene 542 50 ug/kg53-70-3 Dibenzo(a,h)anthracene 113 50 ug/kg206-44-0 Fluoranthene 957 50 ug/kg86-73-7 Fluorene ND 50 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 482 50 ug/kg91-57-6 2-Methylnaphthalene ND 100 ug/kg91-20-3 Naphthalene ND 50 ug/kg85-01-8 Phenanthrene 294 50 ug/kg129-00-0 Pyrene 772 50 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 57% 26-134%321-60-8 2-Fluorobiphenyl 55% 39-124%1718-51-0 Terphenyl-d14 47% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54788.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.6 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 75 ug/kg309-00-2 Aldrin ND 7.5 ug/kg319-84-6 alpha-BHC ND 7.5 ug/kg319-85-7 beta-BHC ND 7.5 ug/kg319-86-8 delta-BHC ND 7.5 ug/kg58-89-9 gamma-BHC (Lindane) ND 7.5 ug/kg12789-03-6 Chlordane ND 75 ug/kg60-57-1 Dieldrin ND 7.5 ug/kg72-54-8 4,4'-DDD ND 7.5 ug/kg72-55-9 4,4'-DDE ND 7.5 ug/kg50-29-3 4,4'-DDT ND 7.5 ug/kg72-20-8 Endrin ND 7.5 ug/kg1031-07-8 Endosulfan sulfate ND 7.5 ug/kg7421-93-4 Endrin aldehyde ND 7.5 ug/kg959-98-8 Endosulfan-I ND 7.5 ug/kg33213-65-9 Endosulfan-II ND 7.5 ug/kg76-44-8 Heptachlor ND 7.5 ug/kg1024-57-3 Heptachlor epoxide ND 7.5 ug/kg72-43-5 Methoxychlor ND 7.5 ug/kg53494-70-5 Endrin ketone ND 7.5 ug/kg8001-35-2 Toxaphene ND 75 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 73% 10-143%877-09-8 Tetrachloro-m-xylene 44% 10-143%2051-24-3 Decachlorobiphenyl 80% 10-172%2051-24-3 Decachlorobiphenyl 66% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65275.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.6 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 37 ug/kg11104-28-2 Aroclor 1221 ND 37 ug/kg11141-16-5 Aroclor 1232 ND 37 ug/kg53469-21-9 Aroclor 1242 93.4 37 ug/kg12672-29-6 Aroclor 1248 ND 37 ug/kg11097-69-1 Aroclor 1254 a 87.3 37 ug/kg11096-82-5 Aroclor 1260 a 90.2 37 ug/kg37324-23-5 Aroclor 1262 ND 37 ug/kg11100-14-4 Aroclor 1268 ND 37 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 70% 25-145%877-09-8 Tetrachloro-m-xylene 49% 25-145%2051-24-3 Decachlorobiphenyl 115% 25-179%2051-24-3 Decachlorobiphenyl 72% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4921.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.8 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 1260 24 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 91% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.0 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 55.1 31 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.77 0.77 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 28.8 1.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 148 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.33 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.1 3.1 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.77 0.77 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 65 % 1 04/23/17 13:00 ANJ SM2540 G-97

Total Organic Carbon b 34600 1500 mg/kg 1 04/24/17 13:09 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-4 0-1 Lab Sample ID: MC50199-5A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 65.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

Lead a 0.25 D008 5.0 0.015 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 5

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/22/17 04/24/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/22/17 04/25/17 ANJ SW846 6010C 3 SW846 3010A 4

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41866(3) Instrument QC Batch: N:MA41875(4) Prep QC Batch: N:MP171(5) Prep QC Batch: N:MP187

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136795.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 5.2 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 29.1 16 ug/kg107-13-1 Acrylonitrile ND 16 ug/kg71-43-2 Benzene ND 0.82 ug/kg108-86-1 Bromobenzene ND 8.2 ug/kg75-27-4 Bromodichloromethane ND 3.3 ug/kg75-25-2 Bromoform ND 8.2 ug/kg74-83-9 Bromomethane ND 8.2 ug/kg78-93-3 2-Butanone (MEK) b ND 16 ug/kg104-51-8 n-Butylbenzene ND 3.3 ug/kg135-98-8 sec-Butylbenzene ND 3.3 ug/kg98-06-6 tert-Butylbenzene ND 3.3 ug/kg75-15-0 Carbon disulfide ND 3.3 ug/kg56-23-5 Carbon tetrachloride ND 3.3 ug/kg108-90-7 Chlorobenzene ND 3.3 ug/kg75-00-3 Chloroethane ND 8.2 ug/kg67-66-3 Chloroform ND 3.3 ug/kg74-87-3 Chloromethane ND 8.2 ug/kg95-49-8 o-Chlorotoluene ND 3.3 ug/kg106-43-4 p-Chlorotoluene ND 3.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 3.3 ug/kg124-48-1 Dibromochloromethane ND 3.3 ug/kg106-93-4 1,2-Dibromoethane ND 1.6 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.6 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.6 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.6 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 8.2 ug/kg75-71-8 Dichlorodifluoromethane ND 8.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.6 ug/kg107-06-2 1,2-Dichloroethane ND 1.6 ug/kg75-35-4 1,1-Dichloroethene ND 1.6 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.6 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.6 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 3.3 ug/kg142-28-9 1,3-Dichloropropane ND 3.3 ug/kg594-20-7 2,2-Dichloropropane ND 3.3 ug/kg563-58-6 1,1-Dichloropropene ND 3.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 3.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 3.3 ug/kg100-41-4 Ethylbenzene ND 1.6 ug/kg76-13-1 Freon 113 ND 8.2 ug/kg87-68-3 Hexachlorobutadiene ND 8.2 ug/kg591-78-6 2-Hexanone ND 8.2 ug/kg98-82-8 Isopropylbenzene ND 3.3 ug/kg99-87-6 p-Isopropyltoluene ND 3.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.6 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 8.2 ug/kg74-95-3 Methylene bromide ND 8.2 ug/kg75-09-2 Methylene chloride ND 8.2 ug/kg91-20-3 Naphthalene ND 8.2 ug/kg103-65-1 n-Propylbenzene ND 3.3 ug/kg100-42-5 Styrene ND 3.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 3.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 3.3 ug/kg127-18-4 Tetrachloroethene ND 3.3 ug/kg109-99-9 Tetrahydrofuran c ND 16 ug/kg108-88-3 Toluene ND 1.6 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 8.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 8.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 3.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 3.3 ug/kg79-01-6 Trichloroethene ND 1.6 ug/kg75-69-4 Trichlorofluoromethane ND 8.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 8.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 3.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 3.3 ug/kg75-01-4 Vinyl chloride ND 3.3 ug/kg

m,p-Xylene ND 1.6 ug/kg95-47-6 o-Xylene ND 1.6 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 103% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 98% 68-124%2037-26-5 Toluene-D8 100% 77-125%460-00-4 4-Bromofluorobenzene 113% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37038.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707Run #2

Initial Weight Final VolumeRun #1 30.4 g 10.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 560 ug/kg208-96-8 Acenaphthylene 778 560 ug/kg120-12-7 Anthracene ND 560 ug/kg56-55-3 Benzo(a)anthracene 3300 560 ug/kg50-32-8 Benzo(a)pyrene 3660 560 ug/kg205-99-2 Benzo(b)fluoranthene 4680 560 ug/kg191-24-2 Benzo(g,h,i)perylene 2790 560 ug/kg207-08-9 Benzo(k)fluoranthene 1890 560 ug/kg218-01-9 Chrysene 3050 560 ug/kg53-70-3 Dibenzo(a,h)anthracene 682 560 ug/kg206-44-0 Fluoranthene 5130 560 ug/kg86-73-7 Fluorene ND 560 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 2790 560 ug/kg91-57-6 2-Methylnaphthalene ND 1100 ug/kg91-20-3 Naphthalene ND 560 ug/kg85-01-8 Phenanthrene 883 560 ug/kg129-00-0 Pyrene 5230 560 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 91% 26-134%321-60-8 2-Fluorobiphenyl 98% 39-124%1718-51-0 Terphenyl-d14 89% 36-134%

(a) Elevated detection limit due to high final volume of viscous extract. Analysis performed at SGS Accutest,Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54789.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 83 ug/kg309-00-2 Aldrin ND 8.3 ug/kg319-84-6 alpha-BHC ND 8.3 ug/kg319-85-7 beta-BHC ND 8.3 ug/kg319-86-8 delta-BHC ND 8.3 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.3 ug/kg12789-03-6 Chlordane ND 83 ug/kg60-57-1 Dieldrin ND 8.3 ug/kg72-54-8 4,4'-DDD ND 8.3 ug/kg72-55-9 4,4'-DDE ND 8.3 ug/kg50-29-3 4,4'-DDT ND 8.3 ug/kg72-20-8 Endrin ND 8.3 ug/kg1031-07-8 Endosulfan sulfate ND 8.3 ug/kg7421-93-4 Endrin aldehyde ND 8.3 ug/kg959-98-8 Endosulfan-I ND 8.3 ug/kg33213-65-9 Endosulfan-II ND 8.3 ug/kg76-44-8 Heptachlor ND 8.3 ug/kg1024-57-3 Heptachlor epoxide ND 8.3 ug/kg72-43-5 Methoxychlor ND 8.3 ug/kg53494-70-5 Endrin ketone ND 8.3 ug/kg8001-35-2 Toxaphene ND 83 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 84% 10-143%877-09-8 Tetrachloro-m-xylene 43% 10-143%2051-24-3 Decachlorobiphenyl 46% 10-172%2051-24-3 Decachlorobiphenyl 73% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65276.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 42 ug/kg11104-28-2 Aroclor 1221 ND 42 ug/kg11141-16-5 Aroclor 1232 ND 42 ug/kg53469-21-9 Aroclor 1242 ND 42 ug/kg12672-29-6 Aroclor 1248 ND 42 ug/kg11097-69-1 Aroclor 1254 ND 42 ug/kg11096-82-5 Aroclor 1260 ND 42 ug/kg37324-23-5 Aroclor 1262 ND 42 ug/kg11100-14-4 Aroclor 1268 ND 42 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 70% 25-145%877-09-8 Tetrachloro-m-xylene 46% 25-145%2051-24-3 Decachlorobiphenyl 100% 25-179%2051-24-3 Decachlorobiphenyl 74% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4922.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.1 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 547 28 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 93% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.9 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 47.1 34 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.85 0.85 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 47.8 1.7 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 170 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.60 0.045 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.4 3.4 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.85 0.85 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 58.9 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon a 43500 1700 mg/kg 1 04/24/17 14:02 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-5 0-1 Lab Sample ID: MC50199-6A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.024 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136796.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 7.5 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 57.9 11 ug/kg107-13-1 Acrylonitrile ND 11 ug/kg71-43-2 Benzene ND 0.55 ug/kg108-86-1 Bromobenzene ND 5.5 ug/kg75-27-4 Bromodichloromethane ND 2.2 ug/kg75-25-2 Bromoform ND 5.5 ug/kg74-83-9 Bromomethane ND 5.5 ug/kg78-93-3 2-Butanone (MEK) b 11.9 11 ug/kg104-51-8 n-Butylbenzene ND 2.2 ug/kg135-98-8 sec-Butylbenzene ND 2.2 ug/kg98-06-6 tert-Butylbenzene ND 2.2 ug/kg75-15-0 Carbon disulfide ND 2.2 ug/kg56-23-5 Carbon tetrachloride ND 2.2 ug/kg108-90-7 Chlorobenzene ND 2.2 ug/kg75-00-3 Chloroethane ND 5.5 ug/kg67-66-3 Chloroform ND 2.2 ug/kg74-87-3 Chloromethane ND 5.5 ug/kg95-49-8 o-Chlorotoluene ND 2.2 ug/kg106-43-4 p-Chlorotoluene ND 2.2 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.2 ug/kg124-48-1 Dibromochloromethane ND 2.2 ug/kg106-93-4 1,2-Dibromoethane ND 1.1 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.1 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.1 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.1 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.5 ug/kg75-71-8 Dichlorodifluoromethane ND 5.5 ug/kg75-34-3 1,1-Dichloroethane ND 1.1 ug/kg107-06-2 1,2-Dichloroethane ND 1.1 ug/kg75-35-4 1,1-Dichloroethene ND 1.1 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.1 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.1 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.2 ug/kg142-28-9 1,3-Dichloropropane ND 2.2 ug/kg594-20-7 2,2-Dichloropropane ND 2.2 ug/kg563-58-6 1,1-Dichloropropene ND 2.2 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.2 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.2 ug/kg100-41-4 Ethylbenzene ND 1.1 ug/kg76-13-1 Freon 113 ND 5.5 ug/kg87-68-3 Hexachlorobutadiene ND 5.5 ug/kg591-78-6 2-Hexanone ND 5.5 ug/kg98-82-8 Isopropylbenzene ND 2.2 ug/kg99-87-6 p-Isopropyltoluene ND 2.2 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.1 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.5 ug/kg74-95-3 Methylene bromide ND 5.5 ug/kg75-09-2 Methylene chloride ND 5.5 ug/kg91-20-3 Naphthalene ND 5.5 ug/kg103-65-1 n-Propylbenzene ND 2.2 ug/kg100-42-5 Styrene ND 2.2 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.2 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.2 ug/kg127-18-4 Tetrachloroethene ND 2.2 ug/kg109-99-9 Tetrahydrofuran c ND 11 ug/kg108-88-3 Toluene ND 1.1 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.5 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.5 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.2 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.2 ug/kg79-01-6 Trichloroethene ND 1.1 ug/kg75-69-4 Trichlorofluoromethane ND 5.5 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.5 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.2 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.2 ug/kg75-01-4 Vinyl chloride ND 2.2 ug/kg

m,p-Xylene ND 1.1 ug/kg95-47-6 o-Xylene ND 1.1 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 99% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 112% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37039.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707Run #2

Initial Weight Final VolumeRun #1 30.4 g 10.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 540 ug/kg208-96-8 Acenaphthylene ND 540 ug/kg120-12-7 Anthracene ND 540 ug/kg56-55-3 Benzo(a)anthracene 1660 540 ug/kg50-32-8 Benzo(a)pyrene 1960 540 ug/kg205-99-2 Benzo(b)fluoranthene 3110 540 ug/kg191-24-2 Benzo(g,h,i)perylene 1600 540 ug/kg207-08-9 Benzo(k)fluoranthene 806 540 ug/kg218-01-9 Chrysene 1920 540 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 540 ug/kg206-44-0 Fluoranthene 3850 540 ug/kg86-73-7 Fluorene ND 540 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1550 540 ug/kg91-57-6 2-Methylnaphthalene ND 1100 ug/kg91-20-3 Naphthalene ND 540 ug/kg85-01-8 Phenanthrene 1270 540 ug/kg129-00-0 Pyrene 3400 540 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 94% 26-134%321-60-8 2-Fluorobiphenyl 99% 39-124%1718-51-0 Terphenyl-d14 93% 36-134%

(a) Elevated detection limit due to high final volume of viscous extract. Analysis performed at SGS Accutest,Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54790.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 21.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 77 ug/kg309-00-2 Aldrin ND 7.7 ug/kg319-84-6 alpha-BHC ND 7.7 ug/kg319-85-7 beta-BHC ND 7.7 ug/kg319-86-8 delta-BHC ND 7.7 ug/kg58-89-9 gamma-BHC (Lindane) ND 7.7 ug/kg12789-03-6 Chlordane ND 77 ug/kg60-57-1 Dieldrin ND 7.7 ug/kg72-54-8 4,4'-DDD ND 7.7 ug/kg72-55-9 4,4'-DDE ND 7.7 ug/kg50-29-3 4,4'-DDT ND 7.7 ug/kg72-20-8 Endrin ND 7.7 ug/kg1031-07-8 Endosulfan sulfate ND 7.7 ug/kg7421-93-4 Endrin aldehyde ND 7.7 ug/kg959-98-8 Endosulfan-I ND 7.7 ug/kg33213-65-9 Endosulfan-II ND 7.7 ug/kg76-44-8 Heptachlor ND 7.7 ug/kg1024-57-3 Heptachlor epoxide ND 7.7 ug/kg72-43-5 Methoxychlor ND 7.7 ug/kg53494-70-5 Endrin ketone ND 7.7 ug/kg8001-35-2 Toxaphene ND 77 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 68% 10-143%877-09-8 Tetrachloro-m-xylene 39% 10-143%2051-24-3 Decachlorobiphenyl 62% 10-172%2051-24-3 Decachlorobiphenyl 83% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65277.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 21.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 38 ug/kg11104-28-2 Aroclor 1221 ND 38 ug/kg11141-16-5 Aroclor 1232 ND 38 ug/kg53469-21-9 Aroclor 1242 ND 38 ug/kg12672-29-6 Aroclor 1248 ND 38 ug/kg11097-69-1 Aroclor 1254 144 38 ug/kg11096-82-5 Aroclor 1260 a 102 38 ug/kg37324-23-5 Aroclor 1262 ND 38 ug/kg11100-14-4 Aroclor 1268 ND 38 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 70% 25-145%877-09-8 Tetrachloro-m-xylene 56% 25-145%2051-24-3 Decachlorobiphenyl 104% 25-179%2051-24-3 Decachlorobiphenyl 72% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4926.D 5 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 17.3 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 1430 120 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 91% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.4 3.3 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 123 33 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.82 0.82 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 49.3 1.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 159 3.3 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.27 0.045 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.3 3.3 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.82 0.82 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 60.9 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon b 36800 1600 mg/kg 1 04/24/17 14:37 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-6 0-2 Lab Sample ID: MC50199-7A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 60.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a 0.0057 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.35 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136797.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 6.7 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 41.2 12 ug/kg107-13-1 Acrylonitrile ND 12 ug/kg71-43-2 Benzene ND 0.60 ug/kg108-86-1 Bromobenzene ND 6.0 ug/kg75-27-4 Bromodichloromethane ND 2.4 ug/kg75-25-2 Bromoform ND 6.0 ug/kg74-83-9 Bromomethane ND 6.0 ug/kg78-93-3 2-Butanone (MEK) b ND 12 ug/kg104-51-8 n-Butylbenzene ND 2.4 ug/kg135-98-8 sec-Butylbenzene ND 2.4 ug/kg98-06-6 tert-Butylbenzene ND 2.4 ug/kg75-15-0 Carbon disulfide 6.9 2.4 ug/kg56-23-5 Carbon tetrachloride ND 2.4 ug/kg108-90-7 Chlorobenzene ND 2.4 ug/kg75-00-3 Chloroethane ND 6.0 ug/kg67-66-3 Chloroform ND 2.4 ug/kg74-87-3 Chloromethane ND 6.0 ug/kg95-49-8 o-Chlorotoluene ND 2.4 ug/kg106-43-4 p-Chlorotoluene ND 2.4 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.4 ug/kg124-48-1 Dibromochloromethane ND 2.4 ug/kg106-93-4 1,2-Dibromoethane ND 1.2 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.2 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.2 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.2 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 6.0 ug/kg75-71-8 Dichlorodifluoromethane ND 6.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.2 ug/kg107-06-2 1,2-Dichloroethane ND 1.2 ug/kg75-35-4 1,1-Dichloroethene ND 1.2 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.2 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.2 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.4 ug/kg142-28-9 1,3-Dichloropropane ND 2.4 ug/kg594-20-7 2,2-Dichloropropane ND 2.4 ug/kg563-58-6 1,1-Dichloropropene ND 2.4 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.4 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.4 ug/kg100-41-4 Ethylbenzene ND 1.2 ug/kg76-13-1 Freon 113 ND 6.0 ug/kg87-68-3 Hexachlorobutadiene ND 6.0 ug/kg591-78-6 2-Hexanone ND 6.0 ug/kg98-82-8 Isopropylbenzene ND 2.4 ug/kg99-87-6 p-Isopropyltoluene ND 2.4 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.2 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.0 ug/kg74-95-3 Methylene bromide ND 6.0 ug/kg75-09-2 Methylene chloride ND 6.0 ug/kg91-20-3 Naphthalene ND 6.0 ug/kg103-65-1 n-Propylbenzene ND 2.4 ug/kg100-42-5 Styrene ND 2.4 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.4 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.4 ug/kg127-18-4 Tetrachloroethene ND 2.4 ug/kg109-99-9 Tetrahydrofuran c ND 12 ug/kg108-88-3 Toluene ND 1.2 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.4 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.4 ug/kg79-01-6 Trichloroethene ND 1.2 ug/kg75-69-4 Trichlorofluoromethane ND 6.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.4 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.4 ug/kg75-01-4 Vinyl chloride ND 2.4 ug/kg

m,p-Xylene ND 1.2 ug/kg95-47-6 o-Xylene ND 1.2 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 101% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 111% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37015.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.2 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 89.6 53 ug/kg208-96-8 Acenaphthylene 711 53 ug/kg120-12-7 Anthracene 536 53 ug/kg56-55-3 Benzo(a)anthracene 2100 53 ug/kg50-32-8 Benzo(a)pyrene 2290 53 ug/kg205-99-2 Benzo(b)fluoranthene 2940 53 ug/kg191-24-2 Benzo(g,h,i)perylene 1390 53 ug/kg207-08-9 Benzo(k)fluoranthene 952 53 ug/kg218-01-9 Chrysene 2300 53 ug/kg53-70-3 Dibenzo(a,h)anthracene 396 53 ug/kg206-44-0 Fluoranthene 3540 53 ug/kg86-73-7 Fluorene 177 53 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1460 53 ug/kg91-57-6 2-Methylnaphthalene 116 110 ug/kg91-20-3 Naphthalene 146 53 ug/kg85-01-8 Phenanthrene 1130 53 ug/kg129-00-0 Pyrene 4820 53 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 78% 26-134%321-60-8 2-Fluorobiphenyl 74% 39-124%1718-51-0 Terphenyl-d14 69% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54793.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 77 ug/kg309-00-2 Aldrin ND 7.7 ug/kg319-84-6 alpha-BHC ND 7.7 ug/kg319-85-7 beta-BHC ND 7.7 ug/kg319-86-8 delta-BHC ND 7.7 ug/kg58-89-9 gamma-BHC (Lindane) ND 7.7 ug/kg12789-03-6 Chlordane ND 77 ug/kg60-57-1 Dieldrin ND 7.7 ug/kg72-54-8 4,4'-DDD 8.8 7.7 ug/kg72-55-9 4,4'-DDE ND 7.7 ug/kg50-29-3 4,4'-DDT ND 7.7 ug/kg72-20-8 Endrin ND 7.7 ug/kg1031-07-8 Endosulfan sulfate ND 7.7 ug/kg7421-93-4 Endrin aldehyde ND 7.7 ug/kg959-98-8 Endosulfan-I ND 7.7 ug/kg33213-65-9 Endosulfan-II ND 7.7 ug/kg76-44-8 Heptachlor ND 7.7 ug/kg1024-57-3 Heptachlor epoxide ND 7.7 ug/kg72-43-5 Methoxychlor ND 7.7 ug/kg53494-70-5 Endrin ketone ND 7.7 ug/kg8001-35-2 Toxaphene ND 77 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 57% 10-143%877-09-8 Tetrachloro-m-xylene 39% 10-143%2051-24-3 Decachlorobiphenyl 60% 10-172%2051-24-3 Decachlorobiphenyl 90% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65283.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 39 ug/kg11104-28-2 Aroclor 1221 ND 39 ug/kg11141-16-5 Aroclor 1232 ND 39 ug/kg53469-21-9 Aroclor 1242 ND 39 ug/kg12672-29-6 Aroclor 1248 a 355 39 ug/kg11097-69-1 Aroclor 1254 b 323 39 ug/kg11096-82-5 Aroclor 1260 b 95.5 39 ug/kg37324-23-5 Aroclor 1262 ND 39 ug/kg11100-14-4 Aroclor 1268 ND 39 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 74% 25-145%877-09-8 Tetrachloro-m-xylene 47% 25-145%2051-24-3 Decachlorobiphenyl 113% 25-179%2051-24-3 Decachlorobiphenyl 88% 25-179%

(a) Confirmation value >40% RPD.(b) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4925.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.5 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 1220 26 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 78% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 7.4 3.2 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 122 32 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.80 0.80 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 32.2 1.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 199 3.2 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.94 0.053 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.2 3.2 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.80 0.80 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 62.5 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon b 31200 1600 mg/kg 1 04/24/17 15:37 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-6 2-3 Lab Sample ID: MC50199-8A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 62.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.26 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168199.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 6.5 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 28.7 13 ug/kg107-13-1 Acrylonitrile ND 13 ug/kg71-43-2 Benzene ND 0.66 ug/kg108-86-1 Bromobenzene ND 6.6 ug/kg75-27-4 Bromodichloromethane ND 2.7 ug/kg75-25-2 Bromoform ND 6.6 ug/kg74-83-9 Bromomethane c ND 6.6 ug/kg78-93-3 2-Butanone (MEK) b ND 13 ug/kg104-51-8 n-Butylbenzene ND 2.7 ug/kg135-98-8 sec-Butylbenzene ND 2.7 ug/kg98-06-6 tert-Butylbenzene ND 2.7 ug/kg75-15-0 Carbon disulfide ND 2.7 ug/kg56-23-5 Carbon tetrachloride ND 2.7 ug/kg108-90-7 Chlorobenzene ND 2.7 ug/kg75-00-3 Chloroethane c ND 6.6 ug/kg67-66-3 Chloroform ND 2.7 ug/kg74-87-3 Chloromethane c ND 6.6 ug/kg95-49-8 o-Chlorotoluene ND 2.7 ug/kg106-43-4 p-Chlorotoluene ND 2.7 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.7 ug/kg124-48-1 Dibromochloromethane ND 2.7 ug/kg106-93-4 1,2-Dibromoethane ND 1.3 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.3 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.3 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.3 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 6.6 ug/kg75-71-8 Dichlorodifluoromethane ND 6.6 ug/kg75-34-3 1,1-Dichloroethane ND 1.3 ug/kg107-06-2 1,2-Dichloroethane ND 1.3 ug/kg75-35-4 1,1-Dichloroethene ND 1.3 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.3 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.3 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.7 ug/kg142-28-9 1,3-Dichloropropane ND 2.7 ug/kg594-20-7 2,2-Dichloropropane ND 2.7 ug/kg563-58-6 1,1-Dichloropropene ND 2.7 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.7 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.7 ug/kg100-41-4 Ethylbenzene ND 1.3 ug/kg76-13-1 Freon 113 c ND 6.6 ug/kg87-68-3 Hexachlorobutadiene c ND 6.6 ug/kg591-78-6 2-Hexanone d ND 6.6 ug/kg98-82-8 Isopropylbenzene ND 2.7 ug/kg99-87-6 p-Isopropyltoluene ND 2.7 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.3 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.6 ug/kg74-95-3 Methylene bromide ND 6.6 ug/kg75-09-2 Methylene chloride ND 6.6 ug/kg91-20-3 Naphthalene ND 6.6 ug/kg103-65-1 n-Propylbenzene ND 2.7 ug/kg100-42-5 Styrene ND 2.7 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.7 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.7 ug/kg127-18-4 Tetrachloroethene ND 2.7 ug/kg109-99-9 Tetrahydrofuran ND 13 ug/kg108-88-3 Toluene ND 1.3 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.6 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.6 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.7 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.7 ug/kg79-01-6 Trichloroethene ND 1.3 ug/kg75-69-4 Trichlorofluoromethane ND 6.6 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.6 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.7 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.7 ug/kg75-01-4 Vinyl chloride ND 2.7 ug/kg

m,p-Xylene ND 1.3 ug/kg95-47-6 o-Xylene ND 1.3 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 107% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 90% 68-124%2037-26-5 Toluene-D8 96% 77-125%460-00-4 4-Bromofluorobenzene 92% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the initial and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37040.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707Run #2

Initial Weight Final VolumeRun #1 30.1 g 10.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 570 ug/kg208-96-8 Acenaphthylene ND 570 ug/kg120-12-7 Anthracene ND 570 ug/kg56-55-3 Benzo(a)anthracene 2150 570 ug/kg50-32-8 Benzo(a)pyrene 2440 570 ug/kg205-99-2 Benzo(b)fluoranthene 3920 570 ug/kg191-24-2 Benzo(g,h,i)perylene 1980 570 ug/kg207-08-9 Benzo(k)fluoranthene 1180 570 ug/kg218-01-9 Chrysene 2770 570 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 570 ug/kg206-44-0 Fluoranthene 5550 570 ug/kg86-73-7 Fluorene ND 570 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 2000 570 ug/kg91-57-6 2-Methylnaphthalene ND 1100 ug/kg91-20-3 Naphthalene ND 570 ug/kg85-01-8 Phenanthrene 1840 570 ug/kg129-00-0 Pyrene 4290 570 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 89% 26-134%321-60-8 2-Fluorobiphenyl 91% 39-124%1718-51-0 Terphenyl-d14 81% 36-134%

(a) Elevated detection limit due to high final volume of viscous extract. Analysis performed at SGS Accutest,Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54794.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 21.2 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 82 ug/kg309-00-2 Aldrin ND 8.2 ug/kg319-84-6 alpha-BHC ND 8.2 ug/kg319-85-7 beta-BHC ND 8.2 ug/kg319-86-8 delta-BHC ND 8.2 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.2 ug/kg12789-03-6 Chlordane ND 82 ug/kg60-57-1 Dieldrin ND 8.2 ug/kg72-54-8 4,4'-DDD ND 8.2 ug/kg72-55-9 4,4'-DDE ND 8.2 ug/kg50-29-3 4,4'-DDT ND 8.2 ug/kg72-20-8 Endrin ND 8.2 ug/kg1031-07-8 Endosulfan sulfate ND 8.2 ug/kg7421-93-4 Endrin aldehyde ND 8.2 ug/kg959-98-8 Endosulfan-I ND 8.2 ug/kg33213-65-9 Endosulfan-II ND 8.2 ug/kg76-44-8 Heptachlor ND 8.2 ug/kg1024-57-3 Heptachlor epoxide ND 8.2 ug/kg72-43-5 Methoxychlor ND 8.2 ug/kg53494-70-5 Endrin ketone ND 8.2 ug/kg8001-35-2 Toxaphene ND 82 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 65% 10-143%877-09-8 Tetrachloro-m-xylene 39% 10-143%2051-24-3 Decachlorobiphenyl 56% 10-172%2051-24-3 Decachlorobiphenyl 90% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65284.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 21.2 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 41 ug/kg11104-28-2 Aroclor 1221 ND 41 ug/kg11141-16-5 Aroclor 1232 ND 41 ug/kg53469-21-9 Aroclor 1242 ND 41 ug/kg12672-29-6 Aroclor 1248 ND 41 ug/kg11097-69-1 Aroclor 1254 ND 41 ug/kg11096-82-5 Aroclor 1260 ND 41 ug/kg37324-23-5 Aroclor 1262 ND 41 ug/kg11100-14-4 Aroclor 1268 ND 41 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 59% 25-145%877-09-8 Tetrachloro-m-xylene 47% 25-145%2051-24-3 Decachlorobiphenyl 93% 25-179%2051-24-3 Decachlorobiphenyl 57% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4928.D 5 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 16.3 g 2.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 1940 260 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 107% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.1 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 83.9 35 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.86 0.86 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 85.8 1.7 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 211 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.48 0.054 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.5 3.5 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.86 0.86 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 57.9 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon a 70100 1700 mg/kg 1 04/24/17 16:07 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-9 0-1.5 Lab Sample ID: MC50199-9A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 57.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.10 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136798.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 6.4 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 46.8 14 ug/kg107-13-1 Acrylonitrile ND 14 ug/kg71-43-2 Benzene ND 0.71 ug/kg108-86-1 Bromobenzene ND 7.1 ug/kg75-27-4 Bromodichloromethane ND 2.8 ug/kg75-25-2 Bromoform ND 7.1 ug/kg74-83-9 Bromomethane ND 7.1 ug/kg78-93-3 2-Butanone (MEK) b 21.9 14 ug/kg104-51-8 n-Butylbenzene ND 2.8 ug/kg135-98-8 sec-Butylbenzene ND 2.8 ug/kg98-06-6 tert-Butylbenzene ND 2.8 ug/kg75-15-0 Carbon disulfide 9.3 2.8 ug/kg56-23-5 Carbon tetrachloride ND 2.8 ug/kg108-90-7 Chlorobenzene ND 2.8 ug/kg75-00-3 Chloroethane ND 7.1 ug/kg67-66-3 Chloroform ND 2.8 ug/kg74-87-3 Chloromethane ND 7.1 ug/kg95-49-8 o-Chlorotoluene ND 2.8 ug/kg106-43-4 p-Chlorotoluene ND 2.8 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.8 ug/kg124-48-1 Dibromochloromethane ND 2.8 ug/kg106-93-4 1,2-Dibromoethane ND 1.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 7.1 ug/kg75-71-8 Dichlorodifluoromethane ND 7.1 ug/kg75-34-3 1,1-Dichloroethane ND 1.4 ug/kg107-06-2 1,2-Dichloroethane ND 1.4 ug/kg75-35-4 1,1-Dichloroethene ND 1.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.8 ug/kg142-28-9 1,3-Dichloropropane ND 2.8 ug/kg594-20-7 2,2-Dichloropropane ND 2.8 ug/kg563-58-6 1,1-Dichloropropene ND 2.8 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.8 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.8 ug/kg100-41-4 Ethylbenzene ND 1.4 ug/kg76-13-1 Freon 113 ND 7.1 ug/kg87-68-3 Hexachlorobutadiene ND 7.1 ug/kg591-78-6 2-Hexanone ND 7.1 ug/kg98-82-8 Isopropylbenzene ND 2.8 ug/kg99-87-6 p-Isopropyltoluene ND 2.8 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 7.1 ug/kg74-95-3 Methylene bromide ND 7.1 ug/kg75-09-2 Methylene chloride ND 7.1 ug/kg91-20-3 Naphthalene ND 7.1 ug/kg103-65-1 n-Propylbenzene ND 2.8 ug/kg100-42-5 Styrene ND 2.8 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.8 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.8 ug/kg127-18-4 Tetrachloroethene ND 2.8 ug/kg109-99-9 Tetrahydrofuran c ND 14 ug/kg108-88-3 Toluene ND 1.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 7.1 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 7.1 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.8 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.8 ug/kg79-01-6 Trichloroethene ND 1.4 ug/kg75-69-4 Trichlorofluoromethane ND 7.1 ug/kg96-18-4 1,2,3-Trichloropropane ND 7.1 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.8 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.8 ug/kg75-01-4 Vinyl chloride ND 2.8 ug/kg

m,p-Xylene ND 1.4 ug/kg95-47-6 o-Xylene ND 1.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 98% 68-124%2037-26-5 Toluene-D8 98% 77-125%460-00-4 4-Bromofluorobenzene 112% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37016.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.8 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 59 ug/kg208-96-8 Acenaphthylene ND 59 ug/kg120-12-7 Anthracene 68.9 59 ug/kg56-55-3 Benzo(a)anthracene 315 59 ug/kg50-32-8 Benzo(a)pyrene 351 59 ug/kg205-99-2 Benzo(b)fluoranthene 573 59 ug/kg191-24-2 Benzo(g,h,i)perylene 271 59 ug/kg207-08-9 Benzo(k)fluoranthene 142 59 ug/kg218-01-9 Chrysene 400 59 ug/kg53-70-3 Dibenzo(a,h)anthracene 63.8 59 ug/kg206-44-0 Fluoranthene 859 59 ug/kg86-73-7 Fluorene ND 59 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 258 59 ug/kg91-57-6 2-Methylnaphthalene ND 120 ug/kg91-20-3 Naphthalene ND 59 ug/kg85-01-8 Phenanthrene 263 59 ug/kg129-00-0 Pyrene 706 59 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 76% 26-134%321-60-8 2-Fluorobiphenyl 75% 39-124%1718-51-0 Terphenyl-d14 70% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54795.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 88 ug/kg309-00-2 Aldrin ND 8.8 ug/kg319-84-6 alpha-BHC ND 8.8 ug/kg319-85-7 beta-BHC ND 8.8 ug/kg319-86-8 delta-BHC ND 8.8 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.8 ug/kg12789-03-6 Chlordane ND 88 ug/kg60-57-1 Dieldrin ND 8.8 ug/kg72-54-8 4,4'-DDD ND 8.8 ug/kg72-55-9 4,4'-DDE ND 8.8 ug/kg50-29-3 4,4'-DDT ND 8.8 ug/kg72-20-8 Endrin ND 8.8 ug/kg1031-07-8 Endosulfan sulfate ND 8.8 ug/kg7421-93-4 Endrin aldehyde ND 8.8 ug/kg959-98-8 Endosulfan-I ND 8.8 ug/kg33213-65-9 Endosulfan-II ND 8.8 ug/kg76-44-8 Heptachlor ND 8.8 ug/kg1024-57-3 Heptachlor epoxide ND 8.8 ug/kg72-43-5 Methoxychlor ND 8.8 ug/kg53494-70-5 Endrin ketone ND 8.8 ug/kg8001-35-2 Toxaphene ND 88 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 78% 10-143%877-09-8 Tetrachloro-m-xylene 50% 10-143%2051-24-3 Decachlorobiphenyl 51% 10-172%2051-24-3 Decachlorobiphenyl 56% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65285.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 44 ug/kg11104-28-2 Aroclor 1221 ND 44 ug/kg11141-16-5 Aroclor 1232 ND 44 ug/kg53469-21-9 Aroclor 1242 ND 44 ug/kg12672-29-6 Aroclor 1248 ND 44 ug/kg11097-69-1 Aroclor 1254 ND 44 ug/kg11096-82-5 Aroclor 1260 ND 44 ug/kg37324-23-5 Aroclor 1262 ND 44 ug/kg11100-14-4 Aroclor 1268 ND 44 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 75% 25-145%877-09-8 Tetrachloro-m-xylene 65% 25-145%2051-24-3 Decachlorobiphenyl 91% 25-179%2051-24-3 Decachlorobiphenyl 74% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

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Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4924.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.7 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 260 29 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 74% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.2 3.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 56.8 36 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <0.91 0.91 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 38.3 1.8 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 143 3.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.49 0.046 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <3.6 3.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <0.91 0.91 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 55.2 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon a 34000 1800 mg/kg 1 04/24/17 16:37 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-9 1.5-3 Lab Sample ID: MC50199-10A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 55.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.16 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168195.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 7.2 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 142 26 ug/kg107-13-1 Acrylonitrile ND 26 ug/kg71-43-2 Benzene ND 1.3 ug/kg108-86-1 Bromobenzene ND 13 ug/kg75-27-4 Bromodichloromethane ND 5.3 ug/kg75-25-2 Bromoform ND 13 ug/kg74-83-9 Bromomethane c ND 13 ug/kg78-93-3 2-Butanone (MEK) b ND 26 ug/kg104-51-8 n-Butylbenzene ND 5.3 ug/kg135-98-8 sec-Butylbenzene ND 5.3 ug/kg98-06-6 tert-Butylbenzene ND 5.3 ug/kg75-15-0 Carbon disulfide ND 5.3 ug/kg56-23-5 Carbon tetrachloride ND 5.3 ug/kg108-90-7 Chlorobenzene ND 5.3 ug/kg75-00-3 Chloroethane c ND 13 ug/kg67-66-3 Chloroform ND 5.3 ug/kg74-87-3 Chloromethane c ND 13 ug/kg95-49-8 o-Chlorotoluene ND 5.3 ug/kg106-43-4 p-Chlorotoluene ND 5.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 5.3 ug/kg124-48-1 Dibromochloromethane ND 5.3 ug/kg106-93-4 1,2-Dibromoethane ND 2.6 ug/kg95-50-1 1,2-Dichlorobenzene ND 2.6 ug/kg541-73-1 1,3-Dichlorobenzene ND 2.6 ug/kg106-46-7 1,4-Dichlorobenzene ND 2.6 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 13 ug/kg75-71-8 Dichlorodifluoromethane ND 13 ug/kg75-34-3 1,1-Dichloroethane ND 2.6 ug/kg107-06-2 1,2-Dichloroethane ND 2.6 ug/kg75-35-4 1,1-Dichloroethene ND 2.6 ug/kg156-59-2 cis-1,2-Dichloroethene ND 2.6 ug/kg156-60-5 trans-1,2-Dichloroethene ND 2.6 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 5.3 ug/kg142-28-9 1,3-Dichloropropane ND 5.3 ug/kg594-20-7 2,2-Dichloropropane ND 5.3 ug/kg563-58-6 1,1-Dichloropropene ND 5.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 5.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 5.3 ug/kg100-41-4 Ethylbenzene ND 2.6 ug/kg76-13-1 Freon 113 c ND 13 ug/kg87-68-3 Hexachlorobutadiene c ND 13 ug/kg591-78-6 2-Hexanone d ND 13 ug/kg98-82-8 Isopropylbenzene ND 5.3 ug/kg99-87-6 p-Isopropyltoluene ND 5.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 2.6 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 13 ug/kg74-95-3 Methylene bromide ND 13 ug/kg75-09-2 Methylene chloride ND 13 ug/kg91-20-3 Naphthalene ND 13 ug/kg103-65-1 n-Propylbenzene ND 5.3 ug/kg100-42-5 Styrene ND 5.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 5.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 5.3 ug/kg127-18-4 Tetrachloroethene ND 5.3 ug/kg109-99-9 Tetrahydrofuran ND 26 ug/kg108-88-3 Toluene ND 2.6 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 13 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 13 ug/kg71-55-6 1,1,1-Trichloroethane ND 5.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 5.3 ug/kg79-01-6 Trichloroethene ND 2.6 ug/kg75-69-4 Trichlorofluoromethane ND 13 ug/kg96-18-4 1,2,3-Trichloropropane ND 13 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 5.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 5.3 ug/kg75-01-4 Vinyl chloride ND 5.3 ug/kg

m,p-Xylene ND 2.6 ug/kg95-47-6 o-Xylene ND 2.6 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 110% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 99% 68-124%2037-26-5 Toluene-D8 92% 77-125%460-00-4 4-Bromofluorobenzene 91% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37017.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1706Run #2

Initial Weight Final VolumeRun #1 30.5 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 120 ug/kg208-96-8 Acenaphthylene ND 120 ug/kg120-12-7 Anthracene ND 120 ug/kg56-55-3 Benzo(a)anthracene ND 120 ug/kg50-32-8 Benzo(a)pyrene ND 120 ug/kg205-99-2 Benzo(b)fluoranthene ND 120 ug/kg191-24-2 Benzo(g,h,i)perylene ND 120 ug/kg207-08-9 Benzo(k)fluoranthene ND 120 ug/kg218-01-9 Chrysene ND 120 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 120 ug/kg206-44-0 Fluoranthene ND 120 ug/kg86-73-7 Fluorene ND 120 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 120 ug/kg91-57-6 2-Methylnaphthalene ND 250 ug/kg91-20-3 Naphthalene ND 120 ug/kg85-01-8 Phenanthrene ND 120 ug/kg129-00-0 Pyrene ND 120 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 62% 26-134%321-60-8 2-Fluorobiphenyl 62% 39-124%1718-51-0 Terphenyl-d14 59% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54796.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 21.0 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 180 ug/kg309-00-2 Aldrin ND 18 ug/kg319-84-6 alpha-BHC ND 18 ug/kg319-85-7 beta-BHC ND 18 ug/kg319-86-8 delta-BHC ND 18 ug/kg58-89-9 gamma-BHC (Lindane) ND 18 ug/kg12789-03-6 Chlordane ND 180 ug/kg60-57-1 Dieldrin ND 18 ug/kg72-54-8 4,4'-DDD ND 18 ug/kg72-55-9 4,4'-DDE ND 18 ug/kg50-29-3 4,4'-DDT ND 18 ug/kg72-20-8 Endrin ND 18 ug/kg1031-07-8 Endosulfan sulfate ND 18 ug/kg7421-93-4 Endrin aldehyde ND 18 ug/kg959-98-8 Endosulfan-I ND 18 ug/kg33213-65-9 Endosulfan-II ND 18 ug/kg76-44-8 Heptachlor ND 18 ug/kg1024-57-3 Heptachlor epoxide ND 18 ug/kg72-43-5 Methoxychlor ND 18 ug/kg53494-70-5 Endrin ketone ND 18 ug/kg8001-35-2 Toxaphene ND 180 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 72% 10-143%877-09-8 Tetrachloro-m-xylene 45% 10-143%2051-24-3 Decachlorobiphenyl 47% 10-172%2051-24-3 Decachlorobiphenyl 48% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65286.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 21.0 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 91 ug/kg11104-28-2 Aroclor 1221 ND 91 ug/kg11141-16-5 Aroclor 1232 ND 91 ug/kg53469-21-9 Aroclor 1242 ND 91 ug/kg12672-29-6 Aroclor 1248 ND 91 ug/kg11097-69-1 Aroclor 1254 ND 91 ug/kg11096-82-5 Aroclor 1260 ND 91 ug/kg37324-23-5 Aroclor 1262 ND 91 ug/kg11100-14-4 Aroclor 1268 ND 91 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 63% 25-145%877-09-8 Tetrachloro-m-xylene 55% 25-145%2051-24-3 Decachlorobiphenyl 72% 25-179%2051-24-3 Decachlorobiphenyl 66% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4917.D 1 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 16.4 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 376 58 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 90% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 14.7 7.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Barium a 160 76 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Cadmium a <1.9 1.9 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Chromium a 93.5 3.8 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Lead a 343 7.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Mercury a 0.91 0.056 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 2 SW846 7471B 4

Selenium a <7.6 7.6 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

Silver a <1.9 1.9 mg/kg 1 04/22/17 04/23/17 ANJ SW846 6010C 1 SW846 3050B 3

(1) Instrument QC Batch: N:MA41857(2) Instrument QC Batch: N:MA41860(3) Prep QC Batch: N:MP162(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 26.3 % 1 04/24/17 17:00 ANJ SM2540 G-97

Total Organic Carbon a 150000 3800 mg/kg 1 04/26/17 11:54 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-10 0-1.5 Lab Sample ID: MC50199-11A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 26.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.084 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168198.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 5.3 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 129 17 ug/kg107-13-1 Acrylonitrile ND 17 ug/kg71-43-2 Benzene ND 0.83 ug/kg108-86-1 Bromobenzene ND 8.3 ug/kg75-27-4 Bromodichloromethane ND 3.3 ug/kg75-25-2 Bromoform ND 8.3 ug/kg74-83-9 Bromomethane c ND 8.3 ug/kg78-93-3 2-Butanone (MEK) b 17.2 17 ug/kg104-51-8 n-Butylbenzene ND 3.3 ug/kg135-98-8 sec-Butylbenzene ND 3.3 ug/kg98-06-6 tert-Butylbenzene ND 3.3 ug/kg75-15-0 Carbon disulfide 5.5 3.3 ug/kg56-23-5 Carbon tetrachloride ND 3.3 ug/kg108-90-7 Chlorobenzene ND 3.3 ug/kg75-00-3 Chloroethane c ND 8.3 ug/kg67-66-3 Chloroform ND 3.3 ug/kg74-87-3 Chloromethane c ND 8.3 ug/kg95-49-8 o-Chlorotoluene ND 3.3 ug/kg106-43-4 p-Chlorotoluene ND 3.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 3.3 ug/kg124-48-1 Dibromochloromethane ND 3.3 ug/kg106-93-4 1,2-Dibromoethane ND 1.7 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.7 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.7 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.7 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 8.3 ug/kg75-71-8 Dichlorodifluoromethane ND 8.3 ug/kg75-34-3 1,1-Dichloroethane ND 1.7 ug/kg107-06-2 1,2-Dichloroethane ND 1.7 ug/kg75-35-4 1,1-Dichloroethene ND 1.7 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.7 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.7 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 3.3 ug/kg142-28-9 1,3-Dichloropropane ND 3.3 ug/kg594-20-7 2,2-Dichloropropane ND 3.3 ug/kg563-58-6 1,1-Dichloropropene ND 3.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 3.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 3.3 ug/kg100-41-4 Ethylbenzene ND 1.7 ug/kg76-13-1 Freon 113 c ND 8.3 ug/kg87-68-3 Hexachlorobutadiene c ND 8.3 ug/kg591-78-6 2-Hexanone d ND 8.3 ug/kg98-82-8 Isopropylbenzene ND 3.3 ug/kg99-87-6 p-Isopropyltoluene ND 3.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.7 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 8.3 ug/kg74-95-3 Methylene bromide ND 8.3 ug/kg75-09-2 Methylene chloride ND 8.3 ug/kg91-20-3 Naphthalene ND 8.3 ug/kg103-65-1 n-Propylbenzene ND 3.3 ug/kg100-42-5 Styrene ND 3.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 3.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 3.3 ug/kg127-18-4 Tetrachloroethene ND 3.3 ug/kg109-99-9 Tetrahydrofuran ND 17 ug/kg108-88-3 Toluene ND 1.7 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 8.3 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 8.3 ug/kg71-55-6 1,1,1-Trichloroethane ND 3.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 3.3 ug/kg79-01-6 Trichloroethene ND 1.7 ug/kg75-69-4 Trichlorofluoromethane ND 8.3 ug/kg96-18-4 1,2,3-Trichloropropane ND 8.3 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 3.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 3.3 ug/kg75-01-4 Vinyl chloride ND 3.3 ug/kg

m,p-Xylene ND 1.7 ug/kg95-47-6 o-Xylene ND 1.7 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 92% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 92% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the initial and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37037.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707Run #2

Initial Weight Final VolumeRun #1 30.1 g 5.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 290 ug/kg208-96-8 Acenaphthylene ND 290 ug/kg120-12-7 Anthracene ND 290 ug/kg56-55-3 Benzo(a)anthracene 862 290 ug/kg50-32-8 Benzo(a)pyrene 885 290 ug/kg205-99-2 Benzo(b)fluoranthene 1410 290 ug/kg191-24-2 Benzo(g,h,i)perylene 658 290 ug/kg207-08-9 Benzo(k)fluoranthene 349 290 ug/kg218-01-9 Chrysene 1030 290 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 290 ug/kg206-44-0 Fluoranthene 2020 290 ug/kg86-73-7 Fluorene ND 290 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 665 290 ug/kg91-57-6 2-Methylnaphthalene ND 590 ug/kg91-20-3 Naphthalene ND 290 ug/kg85-01-8 Phenanthrene 855 290 ug/kg129-00-0 Pyrene 1680 290 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 85% 26-134%321-60-8 2-Fluorobiphenyl 94% 39-124%1718-51-0 Terphenyl-d14 89% 36-134%

(a) Elevated detection limit due to high final volume of viscous extract. Analysis performed at SGS Accutest,Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54797.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 21.6 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 82 ug/kg309-00-2 Aldrin ND 8.2 ug/kg319-84-6 alpha-BHC ND 8.2 ug/kg319-85-7 beta-BHC ND 8.2 ug/kg319-86-8 delta-BHC ND 8.2 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.2 ug/kg12789-03-6 Chlordane ND 82 ug/kg60-57-1 Dieldrin ND 8.2 ug/kg72-54-8 4,4'-DDD ND 8.2 ug/kg72-55-9 4,4'-DDE ND 8.2 ug/kg50-29-3 4,4'-DDT ND 8.2 ug/kg72-20-8 Endrin ND 8.2 ug/kg1031-07-8 Endosulfan sulfate ND 8.2 ug/kg7421-93-4 Endrin aldehyde ND 8.2 ug/kg959-98-8 Endosulfan-I ND 8.2 ug/kg33213-65-9 Endosulfan-II ND 8.2 ug/kg76-44-8 Heptachlor ND 8.2 ug/kg1024-57-3 Heptachlor epoxide ND 8.2 ug/kg72-43-5 Methoxychlor ND 8.2 ug/kg53494-70-5 Endrin ketone ND 8.2 ug/kg8001-35-2 Toxaphene ND 82 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 81% 10-143%877-09-8 Tetrachloro-m-xylene 44% 10-143%2051-24-3 Decachlorobiphenyl 52% 10-172%2051-24-3 Decachlorobiphenyl 65% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65287.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 21.6 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 41 ug/kg11104-28-2 Aroclor 1221 ND 41 ug/kg11141-16-5 Aroclor 1232 ND 41 ug/kg53469-21-9 Aroclor 1242 ND 41 ug/kg12672-29-6 Aroclor 1248 ND 41 ug/kg11097-69-1 Aroclor 1254 47.5 41 ug/kg11096-82-5 Aroclor 1260 ND 41 ug/kg37324-23-5 Aroclor 1262 ND 41 ug/kg11100-14-4 Aroclor 1268 ND 41 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 72% 25-145%877-09-8 Tetrachloro-m-xylene 49% 25-145%2051-24-3 Decachlorobiphenyl 94% 25-179%2051-24-3 Decachlorobiphenyl 64% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4929.D 5 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 16.9 g 2.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 2250 260 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 109% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.5 3.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 44.3 34 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.84 0.84 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 36.2 1.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 29.8 3.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.053 0.035 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <3.4 3.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.84 0.84 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 56.5 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 52500 1800 mg/kg 1 04/26/17 12:23 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-14 0-1.5 Lab Sample ID: MC50199-12A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 56.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.041 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136800.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 6.6 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 45.8 14 ug/kg107-13-1 Acrylonitrile ND 14 ug/kg71-43-2 Benzene ND 0.70 ug/kg108-86-1 Bromobenzene ND 7.0 ug/kg75-27-4 Bromodichloromethane ND 2.8 ug/kg75-25-2 Bromoform ND 7.0 ug/kg74-83-9 Bromomethane ND 7.0 ug/kg78-93-3 2-Butanone (MEK) b ND 14 ug/kg104-51-8 n-Butylbenzene ND 2.8 ug/kg135-98-8 sec-Butylbenzene ND 2.8 ug/kg98-06-6 tert-Butylbenzene ND 2.8 ug/kg75-15-0 Carbon disulfide 7.7 2.8 ug/kg56-23-5 Carbon tetrachloride ND 2.8 ug/kg108-90-7 Chlorobenzene ND 2.8 ug/kg75-00-3 Chloroethane ND 7.0 ug/kg67-66-3 Chloroform ND 2.8 ug/kg74-87-3 Chloromethane ND 7.0 ug/kg95-49-8 o-Chlorotoluene ND 2.8 ug/kg106-43-4 p-Chlorotoluene ND 2.8 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.8 ug/kg124-48-1 Dibromochloromethane ND 2.8 ug/kg106-93-4 1,2-Dibromoethane ND 1.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 7.0 ug/kg75-71-8 Dichlorodifluoromethane ND 7.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.4 ug/kg107-06-2 1,2-Dichloroethane ND 1.4 ug/kg75-35-4 1,1-Dichloroethene ND 1.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.8 ug/kg142-28-9 1,3-Dichloropropane ND 2.8 ug/kg594-20-7 2,2-Dichloropropane ND 2.8 ug/kg563-58-6 1,1-Dichloropropene ND 2.8 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.8 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.8 ug/kg100-41-4 Ethylbenzene ND 1.4 ug/kg76-13-1 Freon 113 ND 7.0 ug/kg87-68-3 Hexachlorobutadiene ND 7.0 ug/kg591-78-6 2-Hexanone ND 7.0 ug/kg98-82-8 Isopropylbenzene ND 2.8 ug/kg99-87-6 p-Isopropyltoluene ND 2.8 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 7.0 ug/kg74-95-3 Methylene bromide ND 7.0 ug/kg75-09-2 Methylene chloride ND 7.0 ug/kg91-20-3 Naphthalene ND 7.0 ug/kg103-65-1 n-Propylbenzene ND 2.8 ug/kg100-42-5 Styrene ND 2.8 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.8 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.8 ug/kg127-18-4 Tetrachloroethene ND 2.8 ug/kg109-99-9 Tetrahydrofuran c ND 14 ug/kg108-88-3 Toluene ND 1.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 7.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 7.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.8 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.8 ug/kg79-01-6 Trichloroethene ND 1.4 ug/kg75-69-4 Trichlorofluoromethane ND 7.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 7.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.8 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.8 ug/kg75-01-4 Vinyl chloride ND 2.8 ug/kg

m,p-Xylene ND 1.4 ug/kg95-47-6 o-Xylene ND 1.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 104% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 96% 68-124%2037-26-5 Toluene-D8 98% 77-125%460-00-4 4-Bromofluorobenzene 109% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 6P37036.D 1 04/27/17 ANJ 04/26/17 N:OP2255 N:E6P1707Run #2

Initial Weight Final VolumeRun #1 30.1 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 61 ug/kg208-96-8 Acenaphthylene ND 61 ug/kg120-12-7 Anthracene ND 61 ug/kg56-55-3 Benzo(a)anthracene 194 61 ug/kg50-32-8 Benzo(a)pyrene 232 61 ug/kg205-99-2 Benzo(b)fluoranthene 350 61 ug/kg191-24-2 Benzo(g,h,i)perylene 196 61 ug/kg207-08-9 Benzo(k)fluoranthene 131 61 ug/kg218-01-9 Chrysene 258 61 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 61 ug/kg206-44-0 Fluoranthene 521 61 ug/kg86-73-7 Fluorene ND 61 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 189 61 ug/kg91-57-6 2-Methylnaphthalene ND 120 ug/kg91-20-3 Naphthalene ND 61 ug/kg85-01-8 Phenanthrene 203 61 ug/kg129-00-0 Pyrene 475 61 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 58% 26-134%321-60-8 2-Fluorobiphenyl 55% 39-124%1718-51-0 Terphenyl-d14 49% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54798.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 89 ug/kg309-00-2 Aldrin ND 8.9 ug/kg319-84-6 alpha-BHC ND 8.9 ug/kg319-85-7 beta-BHC ND 8.9 ug/kg319-86-8 delta-BHC ND 8.9 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.9 ug/kg12789-03-6 Chlordane ND 89 ug/kg60-57-1 Dieldrin ND 8.9 ug/kg72-54-8 4,4'-DDD ND 8.9 ug/kg72-55-9 4,4'-DDE ND 8.9 ug/kg50-29-3 4,4'-DDT ND 8.9 ug/kg72-20-8 Endrin ND 8.9 ug/kg1031-07-8 Endosulfan sulfate ND 8.9 ug/kg7421-93-4 Endrin aldehyde ND 8.9 ug/kg959-98-8 Endosulfan-I ND 8.9 ug/kg33213-65-9 Endosulfan-II ND 8.9 ug/kg76-44-8 Heptachlor ND 8.9 ug/kg1024-57-3 Heptachlor epoxide ND 8.9 ug/kg72-43-5 Methoxychlor ND 8.9 ug/kg53494-70-5 Endrin ketone ND 8.9 ug/kg8001-35-2 Toxaphene ND 89 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 87% 10-143%877-09-8 Tetrachloro-m-xylene 54% 10-143%2051-24-3 Decachlorobiphenyl 48% 10-172%2051-24-3 Decachlorobiphenyl 55% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65288.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 44 ug/kg11104-28-2 Aroclor 1221 ND 44 ug/kg11141-16-5 Aroclor 1232 ND 44 ug/kg53469-21-9 Aroclor 1242 ND 44 ug/kg12672-29-6 Aroclor 1248 ND 44 ug/kg11097-69-1 Aroclor 1254 ND 44 ug/kg11096-82-5 Aroclor 1260 ND 44 ug/kg37324-23-5 Aroclor 1262 ND 44 ug/kg11100-14-4 Aroclor 1268 ND 44 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 67% 25-145%877-09-8 Tetrachloro-m-xylene 61% 25-145%2051-24-3 Decachlorobiphenyl 79% 25-179%2051-24-3 Decachlorobiphenyl 68% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4914.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.8 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 85.0 29 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 87% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.4 3.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 46.2 35 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a 1.7 0.89 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 40.2 1.8 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 36.0 3.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.038 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <3.5 3.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.89 0.89 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 54.2 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 27500 1800 mg/kg 1 04/26/17 13:42 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-14 1.6-3 Lab Sample ID: MC50199-13A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 54.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168197A.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 5.8 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 14 ug/kg107-13-1 Acrylonitrile ND 14 ug/kg71-43-2 Benzene ND 0.70 ug/kg108-86-1 Bromobenzene ND 7.0 ug/kg75-27-4 Bromodichloromethane ND 2.8 ug/kg75-25-2 Bromoform ND 7.0 ug/kg74-83-9 Bromomethane c ND 7.0 ug/kg78-93-3 2-Butanone (MEK) b ND 14 ug/kg104-51-8 n-Butylbenzene ND 2.8 ug/kg135-98-8 sec-Butylbenzene ND 2.8 ug/kg98-06-6 tert-Butylbenzene ND 2.8 ug/kg75-15-0 Carbon disulfide ND 2.8 ug/kg56-23-5 Carbon tetrachloride ND 2.8 ug/kg108-90-7 Chlorobenzene ND 2.8 ug/kg75-00-3 Chloroethane c ND 7.0 ug/kg67-66-3 Chloroform ND 2.8 ug/kg74-87-3 Chloromethane c ND 7.0 ug/kg95-49-8 o-Chlorotoluene ND 2.8 ug/kg106-43-4 p-Chlorotoluene ND 2.8 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.8 ug/kg124-48-1 Dibromochloromethane ND 2.8 ug/kg106-93-4 1,2-Dibromoethane ND 1.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 7.0 ug/kg75-71-8 Dichlorodifluoromethane ND 7.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.4 ug/kg107-06-2 1,2-Dichloroethane ND 1.4 ug/kg75-35-4 1,1-Dichloroethene ND 1.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.8 ug/kg142-28-9 1,3-Dichloropropane ND 2.8 ug/kg594-20-7 2,2-Dichloropropane ND 2.8 ug/kg563-58-6 1,1-Dichloropropene ND 2.8 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.8 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.8 ug/kg100-41-4 Ethylbenzene ND 1.4 ug/kg76-13-1 Freon 113 c ND 7.0 ug/kg87-68-3 Hexachlorobutadiene c ND 7.0 ug/kg591-78-6 2-Hexanone d ND 7.0 ug/kg98-82-8 Isopropylbenzene ND 2.8 ug/kg99-87-6 p-Isopropyltoluene ND 2.8 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 7.0 ug/kg74-95-3 Methylene bromide ND 7.0 ug/kg75-09-2 Methylene chloride ND 7.0 ug/kg91-20-3 Naphthalene ND 7.0 ug/kg103-65-1 n-Propylbenzene ND 2.8 ug/kg100-42-5 Styrene ND 2.8 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.8 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.8 ug/kg127-18-4 Tetrachloroethene ND 2.8 ug/kg109-99-9 Tetrahydrofuran ND 14 ug/kg108-88-3 Toluene ND 1.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 7.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 7.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.8 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.8 ug/kg79-01-6 Trichloroethene ND 1.4 ug/kg75-69-4 Trichlorofluoromethane ND 7.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 7.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.8 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.8 ug/kg75-01-4 Vinyl chloride ND 2.8 ug/kg

m,p-Xylene ND 1.4 ug/kg95-47-6 o-Xylene ND 1.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 94% 77-125%460-00-4 4-Bromofluorobenzene 92% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the initial and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a F166587.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EF7041Run #2

Initial Weight Final VolumeRun #1 30.0 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 54 ug/kg208-96-8 Acenaphthylene 383 54 ug/kg120-12-7 Anthracene 425 54 ug/kg56-55-3 Benzo(a)anthracene 1290 54 ug/kg50-32-8 Benzo(a)pyrene 1480 54 ug/kg205-99-2 Benzo(b)fluoranthene 2360 54 ug/kg191-24-2 Benzo(g,h,i)perylene 1380 54 ug/kg207-08-9 Benzo(k)fluoranthene 929 54 ug/kg218-01-9 Chrysene 1900 54 ug/kg53-70-3 Dibenzo(a,h)anthracene 272 54 ug/kg206-44-0 Fluoranthene 3030 54 ug/kg86-73-7 Fluorene 78.5 54 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1400 54 ug/kg91-57-6 2-Methylnaphthalene ND 110 ug/kg91-20-3 Naphthalene 133 54 ug/kg85-01-8 Phenanthrene 960 54 ug/kg129-00-0 Pyrene 2550 54 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 71% 26-134%321-60-8 2-Fluorobiphenyl 68% 39-124%1718-51-0 Terphenyl-d14 69% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54799.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 79 ug/kg309-00-2 Aldrin ND 7.9 ug/kg319-84-6 alpha-BHC ND 7.9 ug/kg319-85-7 beta-BHC ND 7.9 ug/kg319-86-8 delta-BHC ND 7.9 ug/kg58-89-9 gamma-BHC (Lindane) ND 7.9 ug/kg12789-03-6 Chlordane ND 79 ug/kg60-57-1 Dieldrin a ND 7.9 ug/kg72-54-8 4,4'-DDD a ND 7.9 ug/kg72-55-9 4,4'-DDE a ND 7.9 ug/kg50-29-3 4,4'-DDT a ND 7.9 ug/kg72-20-8 Endrin ND 7.9 ug/kg1031-07-8 Endosulfan sulfate ND 7.9 ug/kg7421-93-4 Endrin aldehyde ND 7.9 ug/kg959-98-8 Endosulfan-I ND 7.9 ug/kg33213-65-9 Endosulfan-II ND 7.9 ug/kg76-44-8 Heptachlor ND 7.9 ug/kg1024-57-3 Heptachlor epoxide a ND 7.9 ug/kg72-43-5 Methoxychlor ND 7.9 ug/kg53494-70-5 Endrin ketone ND 7.9 ug/kg8001-35-2 Toxaphene ND 79 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 62% 10-143%877-09-8 Tetrachloro-m-xylene 39% 10-143%2051-24-3 Decachlorobiphenyl 68% 10-172%2051-24-3 Decachlorobiphenyl 117% 10-172%

(a) Indeterminate due to the presence of Arochlor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65289.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2 BK65293.D 10 04/26/17 AP 04/20/17 OP49633 GBK2084

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2 20.4 g 10.0 ml

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 40 ug/kg11104-28-2 Aroclor 1221 ND 40 ug/kg11141-16-5 Aroclor 1232 ND 40 ug/kg53469-21-9 Aroclor 1242 ND 40 ug/kg12672-29-6 Aroclor 1248 ND 40 ug/kg11097-69-1 Aroclor 1254 3650 a 400 ug/kg11096-82-5 Aroclor 1260 b 3130 a 400 ug/kg37324-23-5 Aroclor 1262 ND 40 ug/kg11100-14-4 Aroclor 1268 ND 40 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 76% 59% 25-145%877-09-8 Tetrachloro-m-xylene 59% 54% 25-145%2051-24-3 Decachlorobiphenyl 97% 105% 25-179%2051-24-3 Decachlorobiphenyl 76% 87% 25-179%

(a) Result is from Run# 2(b) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4927.D 5 04/28/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.8 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 1080 130 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 92% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 12.7 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 65.2 33 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.82 0.82 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 40.5 1.6 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 651 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.62 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <3.3 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.82 0.82 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 61.8 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 41400 1600 mg/kg 1 04/26/17 14:19 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-16 0-1 Lab Sample ID: MC50199-14A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 61.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.092 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168197.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 5.3 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 74.1 21 ug/kg107-13-1 Acrylonitrile ND 21 ug/kg71-43-2 Benzene ND 1.1 ug/kg108-86-1 Bromobenzene ND 11 ug/kg75-27-4 Bromodichloromethane ND 4.2 ug/kg75-25-2 Bromoform ND 11 ug/kg74-83-9 Bromomethane c ND 11 ug/kg78-93-3 2-Butanone (MEK) b ND 21 ug/kg104-51-8 n-Butylbenzene ND 4.2 ug/kg135-98-8 sec-Butylbenzene ND 4.2 ug/kg98-06-6 tert-Butylbenzene ND 4.2 ug/kg75-15-0 Carbon disulfide 44.7 4.2 ug/kg56-23-5 Carbon tetrachloride ND 4.2 ug/kg108-90-7 Chlorobenzene ND 4.2 ug/kg75-00-3 Chloroethane c ND 11 ug/kg67-66-3 Chloroform ND 4.2 ug/kg74-87-3 Chloromethane c ND 11 ug/kg95-49-8 o-Chlorotoluene ND 4.2 ug/kg106-43-4 p-Chlorotoluene ND 4.2 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 4.2 ug/kg124-48-1 Dibromochloromethane ND 4.2 ug/kg106-93-4 1,2-Dibromoethane ND 2.1 ug/kg95-50-1 1,2-Dichlorobenzene ND 2.1 ug/kg541-73-1 1,3-Dichlorobenzene ND 2.1 ug/kg106-46-7 1,4-Dichlorobenzene ND 2.1 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 11 ug/kg75-71-8 Dichlorodifluoromethane ND 11 ug/kg75-34-3 1,1-Dichloroethane ND 2.1 ug/kg107-06-2 1,2-Dichloroethane ND 2.1 ug/kg75-35-4 1,1-Dichloroethene ND 2.1 ug/kg156-59-2 cis-1,2-Dichloroethene ND 2.1 ug/kg156-60-5 trans-1,2-Dichloroethene ND 2.1 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 4.2 ug/kg142-28-9 1,3-Dichloropropane ND 4.2 ug/kg594-20-7 2,2-Dichloropropane ND 4.2 ug/kg563-58-6 1,1-Dichloropropene ND 4.2 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 4.2 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 4.2 ug/kg100-41-4 Ethylbenzene ND 2.1 ug/kg76-13-1 Freon 113 c ND 11 ug/kg87-68-3 Hexachlorobutadiene c ND 11 ug/kg591-78-6 2-Hexanone d ND 11 ug/kg98-82-8 Isopropylbenzene ND 4.2 ug/kg99-87-6 p-Isopropyltoluene ND 4.2 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 2.1 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 11 ug/kg74-95-3 Methylene bromide ND 11 ug/kg75-09-2 Methylene chloride ND 11 ug/kg91-20-3 Naphthalene ND 11 ug/kg103-65-1 n-Propylbenzene ND 4.2 ug/kg100-42-5 Styrene ND 4.2 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 4.2 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 4.2 ug/kg127-18-4 Tetrachloroethene ND 4.2 ug/kg109-99-9 Tetrahydrofuran ND 21 ug/kg108-88-3 Toluene ND 2.1 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 11 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 11 ug/kg71-55-6 1,1,1-Trichloroethane ND 4.2 ug/kg79-00-5 1,1,2-Trichloroethane ND 4.2 ug/kg79-01-6 Trichloroethene ND 2.1 ug/kg75-69-4 Trichlorofluoromethane ND 11 ug/kg96-18-4 1,2,3-Trichloropropane ND 11 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 4.2 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 4.2 ug/kg75-01-4 Vinyl chloride ND 4.2 ug/kg

m,p-Xylene ND 2.1 ug/kg95-47-6 o-Xylene ND 2.1 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 110% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 94% 68-124%2037-26-5 Toluene-D8 94% 77-125%460-00-4 4-Bromofluorobenzene 89% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133610.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.2 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 74 ug/kg208-96-8 Acenaphthylene ND 74 ug/kg120-12-7 Anthracene ND 74 ug/kg56-55-3 Benzo(a)anthracene ND 74 ug/kg50-32-8 Benzo(a)pyrene ND 74 ug/kg205-99-2 Benzo(b)fluoranthene ND 74 ug/kg191-24-2 Benzo(g,h,i)perylene ND 74 ug/kg207-08-9 Benzo(k)fluoranthene ND 74 ug/kg218-01-9 Chrysene ND 74 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 74 ug/kg206-44-0 Fluoranthene ND 74 ug/kg86-73-7 Fluorene ND 74 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 74 ug/kg91-57-6 2-Methylnaphthalene ND 150 ug/kg91-20-3 Naphthalene ND 74 ug/kg85-01-8 Phenanthrene ND 74 ug/kg129-00-0 Pyrene ND 74 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 40% 26-134%321-60-8 2-Fluorobiphenyl 43% 39-124%1718-51-0 Terphenyl-d14 46% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54800.D 1 04/26/17 AP 04/20/17 OP49634 GBE2746Run #2

Initial Weight Final VolumeRun #1 20.1 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 110 ug/kg309-00-2 Aldrin ND 11 ug/kg319-84-6 alpha-BHC ND 11 ug/kg319-85-7 beta-BHC ND 11 ug/kg319-86-8 delta-BHC ND 11 ug/kg58-89-9 gamma-BHC (Lindane) ND 11 ug/kg12789-03-6 Chlordane ND 110 ug/kg60-57-1 Dieldrin ND 11 ug/kg72-54-8 4,4'-DDD ND 11 ug/kg72-55-9 4,4'-DDE ND 11 ug/kg50-29-3 4,4'-DDT ND 11 ug/kg72-20-8 Endrin ND 11 ug/kg1031-07-8 Endosulfan sulfate ND 11 ug/kg7421-93-4 Endrin aldehyde ND 11 ug/kg959-98-8 Endosulfan-I ND 11 ug/kg33213-65-9 Endosulfan-II ND 11 ug/kg76-44-8 Heptachlor ND 11 ug/kg1024-57-3 Heptachlor epoxide ND 11 ug/kg72-43-5 Methoxychlor ND 11 ug/kg53494-70-5 Endrin ketone ND 11 ug/kg8001-35-2 Toxaphene ND 110 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 79% 10-143%877-09-8 Tetrachloro-m-xylene 46% 10-143%2051-24-3 Decachlorobiphenyl 33% 10-172%2051-24-3 Decachlorobiphenyl 42% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65290.D 1 04/25/17 AP 04/20/17 OP49633 GBK2084Run #2

Initial Weight Final VolumeRun #1 20.1 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 55 ug/kg11104-28-2 Aroclor 1221 ND 55 ug/kg11141-16-5 Aroclor 1232 ND 55 ug/kg53469-21-9 Aroclor 1242 ND 55 ug/kg12672-29-6 Aroclor 1248 ND 55 ug/kg11097-69-1 Aroclor 1254 ND 55 ug/kg11096-82-5 Aroclor 1260 ND 55 ug/kg37324-23-5 Aroclor 1262 ND 55 ug/kg11100-14-4 Aroclor 1268 ND 55 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 74% 25-145%877-09-8 Tetrachloro-m-xylene 68% 25-145%2051-24-3 Decachlorobiphenyl 82% 25-179%2051-24-3 Decachlorobiphenyl 74% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4915.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.2 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 61.4 37 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 89% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 9.0 4.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 49.8 43 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <1.1 1.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 40.5 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 11.6 4.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a <0.017 0.017 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <4.3 4.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <1.1 1.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 44.9 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 28500 2200 mg/kg 1 04/26/17 14:54 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-17 0-1.5 Lab Sample ID: MC50199-15A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 44.9 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136801.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 5.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 76.3 15 ug/kg107-13-1 Acrylonitrile ND 15 ug/kg71-43-2 Benzene ND 0.73 ug/kg108-86-1 Bromobenzene ND 7.3 ug/kg75-27-4 Bromodichloromethane ND 2.9 ug/kg75-25-2 Bromoform ND 7.3 ug/kg74-83-9 Bromomethane ND 7.3 ug/kg78-93-3 2-Butanone (MEK) b ND 15 ug/kg104-51-8 n-Butylbenzene ND 2.9 ug/kg135-98-8 sec-Butylbenzene ND 2.9 ug/kg98-06-6 tert-Butylbenzene ND 2.9 ug/kg75-15-0 Carbon disulfide 21.1 2.9 ug/kg56-23-5 Carbon tetrachloride ND 2.9 ug/kg108-90-7 Chlorobenzene ND 2.9 ug/kg75-00-3 Chloroethane ND 7.3 ug/kg67-66-3 Chloroform ND 2.9 ug/kg74-87-3 Chloromethane ND 7.3 ug/kg95-49-8 o-Chlorotoluene ND 2.9 ug/kg106-43-4 p-Chlorotoluene ND 2.9 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.9 ug/kg124-48-1 Dibromochloromethane ND 2.9 ug/kg106-93-4 1,2-Dibromoethane ND 1.5 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.5 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.5 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.5 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 7.3 ug/kg75-71-8 Dichlorodifluoromethane ND 7.3 ug/kg75-34-3 1,1-Dichloroethane ND 1.5 ug/kg107-06-2 1,2-Dichloroethane ND 1.5 ug/kg75-35-4 1,1-Dichloroethene ND 1.5 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.5 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.5 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.9 ug/kg142-28-9 1,3-Dichloropropane ND 2.9 ug/kg594-20-7 2,2-Dichloropropane ND 2.9 ug/kg563-58-6 1,1-Dichloropropene ND 2.9 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.9 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.9 ug/kg100-41-4 Ethylbenzene ND 1.5 ug/kg76-13-1 Freon 113 ND 7.3 ug/kg87-68-3 Hexachlorobutadiene ND 7.3 ug/kg591-78-6 2-Hexanone ND 7.3 ug/kg98-82-8 Isopropylbenzene ND 2.9 ug/kg99-87-6 p-Isopropyltoluene ND 2.9 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.5 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 7.3 ug/kg74-95-3 Methylene bromide ND 7.3 ug/kg75-09-2 Methylene chloride ND 7.3 ug/kg91-20-3 Naphthalene ND 7.3 ug/kg103-65-1 n-Propylbenzene ND 2.9 ug/kg100-42-5 Styrene ND 2.9 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.9 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.9 ug/kg127-18-4 Tetrachloroethene ND 2.9 ug/kg109-99-9 Tetrahydrofuran c ND 15 ug/kg108-88-3 Toluene ND 1.5 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 7.3 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 7.3 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.9 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.9 ug/kg79-01-6 Trichloroethene ND 1.5 ug/kg75-69-4 Trichlorofluoromethane ND 7.3 ug/kg96-18-4 1,2,3-Trichloropropane ND 7.3 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.9 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.9 ug/kg75-01-4 Vinyl chloride ND 2.9 ug/kg

m,p-Xylene ND 1.5 ug/kg95-47-6 o-Xylene ND 1.5 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 98% 68-124%2037-26-5 Toluene-D8 94% 77-125%460-00-4 4-Bromofluorobenzene 115% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133611.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.3 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 55 ug/kg208-96-8 Acenaphthylene ND 55 ug/kg120-12-7 Anthracene ND 55 ug/kg56-55-3 Benzo(a)anthracene 79.6 55 ug/kg50-32-8 Benzo(a)pyrene 79.9 55 ug/kg205-99-2 Benzo(b)fluoranthene 133 55 ug/kg191-24-2 Benzo(g,h,i)perylene 58.9 55 ug/kg207-08-9 Benzo(k)fluoranthene ND 55 ug/kg218-01-9 Chrysene 102 55 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 55 ug/kg206-44-0 Fluoranthene 185 55 ug/kg86-73-7 Fluorene ND 55 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 78.1 55 ug/kg91-57-6 2-Methylnaphthalene ND 110 ug/kg91-20-3 Naphthalene ND 55 ug/kg85-01-8 Phenanthrene 77.6 55 ug/kg129-00-0 Pyrene 191 55 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 62% 26-134%321-60-8 2-Fluorobiphenyl 64% 39-124%1718-51-0 Terphenyl-d14 74% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54817.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 83 ug/kg309-00-2 Aldrin ND 8.3 ug/kg319-84-6 alpha-BHC ND 8.3 ug/kg319-85-7 beta-BHC ND 8.3 ug/kg319-86-8 delta-BHC ND 8.3 ug/kg58-89-9 gamma-BHC (Lindane) ND 8.3 ug/kg12789-03-6 Chlordane ND 83 ug/kg60-57-1 Dieldrin ND 8.3 ug/kg72-54-8 4,4'-DDD ND 8.3 ug/kg72-55-9 4,4'-DDE ND 8.3 ug/kg50-29-3 4,4'-DDT ND 8.3 ug/kg72-20-8 Endrin ND 8.3 ug/kg1031-07-8 Endosulfan sulfate ND 8.3 ug/kg7421-93-4 Endrin aldehyde ND 8.3 ug/kg959-98-8 Endosulfan-I ND 8.3 ug/kg33213-65-9 Endosulfan-II ND 8.3 ug/kg76-44-8 Heptachlor ND 8.3 ug/kg1024-57-3 Heptachlor epoxide ND 8.3 ug/kg72-43-5 Methoxychlor ND 8.3 ug/kg53494-70-5 Endrin ketone ND 8.3 ug/kg8001-35-2 Toxaphene ND 83 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 70% 10-143%877-09-8 Tetrachloro-m-xylene 66% 10-143%2051-24-3 Decachlorobiphenyl 62% 10-172%2051-24-3 Decachlorobiphenyl 73% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65298.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 41 ug/kg11104-28-2 Aroclor 1221 ND 41 ug/kg11141-16-5 Aroclor 1232 ND 41 ug/kg53469-21-9 Aroclor 1242 ND 41 ug/kg12672-29-6 Aroclor 1248 ND 41 ug/kg11097-69-1 Aroclor 1254 ND 41 ug/kg11096-82-5 Aroclor 1260 ND 41 ug/kg37324-23-5 Aroclor 1262 ND 41 ug/kg11100-14-4 Aroclor 1268 ND 41 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 68% 25-145%877-09-8 Tetrachloro-m-xylene 72% 25-145%2051-24-3 Decachlorobiphenyl 94% 25-179%2051-24-3 Decachlorobiphenyl 100% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4916.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.5 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 65.7 28 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 93% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.0 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 39.1 33 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.83 0.83 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 29.8 1.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 9.4 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a <0.034 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <3.3 3.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.83 0.83 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 58.2 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 28200 1700 mg/kg 1 04/26/17 15:19 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-17 1.5-3 Lab Sample ID: MC50199-16A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 58.2 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136802.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 5.8 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 66.3 16 ug/kg107-13-1 Acrylonitrile ND 16 ug/kg71-43-2 Benzene ND 0.82 ug/kg108-86-1 Bromobenzene ND 8.2 ug/kg75-27-4 Bromodichloromethane ND 3.3 ug/kg75-25-2 Bromoform ND 8.2 ug/kg74-83-9 Bromomethane ND 8.2 ug/kg78-93-3 2-Butanone (MEK) b ND 16 ug/kg104-51-8 n-Butylbenzene ND 3.3 ug/kg135-98-8 sec-Butylbenzene ND 3.3 ug/kg98-06-6 tert-Butylbenzene ND 3.3 ug/kg75-15-0 Carbon disulfide 13.0 3.3 ug/kg56-23-5 Carbon tetrachloride ND 3.3 ug/kg108-90-7 Chlorobenzene ND 3.3 ug/kg75-00-3 Chloroethane ND 8.2 ug/kg67-66-3 Chloroform ND 3.3 ug/kg74-87-3 Chloromethane ND 8.2 ug/kg95-49-8 o-Chlorotoluene ND 3.3 ug/kg106-43-4 p-Chlorotoluene ND 3.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 3.3 ug/kg124-48-1 Dibromochloromethane ND 3.3 ug/kg106-93-4 1,2-Dibromoethane ND 1.6 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.6 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.6 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.6 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 8.2 ug/kg75-71-8 Dichlorodifluoromethane ND 8.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.6 ug/kg107-06-2 1,2-Dichloroethane ND 1.6 ug/kg75-35-4 1,1-Dichloroethene ND 1.6 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.6 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.6 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 3.3 ug/kg142-28-9 1,3-Dichloropropane ND 3.3 ug/kg594-20-7 2,2-Dichloropropane ND 3.3 ug/kg563-58-6 1,1-Dichloropropene ND 3.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 3.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 3.3 ug/kg100-41-4 Ethylbenzene ND 1.6 ug/kg76-13-1 Freon 113 ND 8.2 ug/kg87-68-3 Hexachlorobutadiene ND 8.2 ug/kg591-78-6 2-Hexanone ND 8.2 ug/kg98-82-8 Isopropylbenzene ND 3.3 ug/kg99-87-6 p-Isopropyltoluene ND 3.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.6 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 8.2 ug/kg74-95-3 Methylene bromide ND 8.2 ug/kg75-09-2 Methylene chloride ND 8.2 ug/kg91-20-3 Naphthalene ND 8.2 ug/kg103-65-1 n-Propylbenzene ND 3.3 ug/kg100-42-5 Styrene ND 3.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 3.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 3.3 ug/kg127-18-4 Tetrachloroethene ND 3.3 ug/kg109-99-9 Tetrahydrofuran c ND 16 ug/kg108-88-3 Toluene ND 1.6 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 8.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 8.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 3.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 3.3 ug/kg79-01-6 Trichloroethene ND 1.6 ug/kg75-69-4 Trichlorofluoromethane ND 8.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 8.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 3.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 3.3 ug/kg75-01-4 Vinyl chloride ND 3.3 ug/kg

m,p-Xylene ND 1.6 ug/kg95-47-6 o-Xylene ND 1.6 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 99% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 112% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133612.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.0 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 64 ug/kg208-96-8 Acenaphthylene ND 64 ug/kg120-12-7 Anthracene ND 64 ug/kg56-55-3 Benzo(a)anthracene ND 64 ug/kg50-32-8 Benzo(a)pyrene ND 64 ug/kg205-99-2 Benzo(b)fluoranthene ND 64 ug/kg191-24-2 Benzo(g,h,i)perylene ND 64 ug/kg207-08-9 Benzo(k)fluoranthene ND 64 ug/kg218-01-9 Chrysene ND 64 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 64 ug/kg206-44-0 Fluoranthene ND 64 ug/kg86-73-7 Fluorene ND 64 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 64 ug/kg91-57-6 2-Methylnaphthalene ND 130 ug/kg91-20-3 Naphthalene ND 64 ug/kg85-01-8 Phenanthrene ND 64 ug/kg129-00-0 Pyrene ND 64 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 45% 26-134%321-60-8 2-Fluorobiphenyl 56% 39-124%1718-51-0 Terphenyl-d14 66% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54818.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.6 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 93 ug/kg309-00-2 Aldrin ND 9.3 ug/kg319-84-6 alpha-BHC ND 9.3 ug/kg319-85-7 beta-BHC ND 9.3 ug/kg319-86-8 delta-BHC ND 9.3 ug/kg58-89-9 gamma-BHC (Lindane) ND 9.3 ug/kg12789-03-6 Chlordane ND 93 ug/kg60-57-1 Dieldrin ND 9.3 ug/kg72-54-8 4,4'-DDD ND 9.3 ug/kg72-55-9 4,4'-DDE ND 9.3 ug/kg50-29-3 4,4'-DDT ND 9.3 ug/kg72-20-8 Endrin ND 9.3 ug/kg1031-07-8 Endosulfan sulfate ND 9.3 ug/kg7421-93-4 Endrin aldehyde ND 9.3 ug/kg959-98-8 Endosulfan-I ND 9.3 ug/kg33213-65-9 Endosulfan-II ND 9.3 ug/kg76-44-8 Heptachlor ND 9.3 ug/kg1024-57-3 Heptachlor epoxide ND 9.3 ug/kg72-43-5 Methoxychlor ND 9.3 ug/kg53494-70-5 Endrin ketone ND 9.3 ug/kg8001-35-2 Toxaphene ND 93 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 75% 10-143%877-09-8 Tetrachloro-m-xylene 67% 10-143%2051-24-3 Decachlorobiphenyl 70% 10-172%2051-24-3 Decachlorobiphenyl 80% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65299.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.6 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 46 ug/kg11104-28-2 Aroclor 1221 ND 46 ug/kg11141-16-5 Aroclor 1232 ND 46 ug/kg53469-21-9 Aroclor 1242 ND 46 ug/kg12672-29-6 Aroclor 1248 ND 46 ug/kg11097-69-1 Aroclor 1254 ND 46 ug/kg11096-82-5 Aroclor 1260 ND 46 ug/kg37324-23-5 Aroclor 1262 ND 46 ug/kg11100-14-4 Aroclor 1268 ND 46 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 79% 25-145%877-09-8 Tetrachloro-m-xylene 83% 25-145%2051-24-3 Decachlorobiphenyl 102% 25-179%2051-24-3 Decachlorobiphenyl 106% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4911.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.4 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 78.4 31 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 99% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 7.2 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 43.7 40 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <1.0 1.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 35.1 2.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 9.8 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a <0.037 0.037 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <4.0 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <1.0 1.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 52.4 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 29500 1900 mg/kg 1 04/27/17 10:05 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 0-1.5 Lab Sample ID: MC50199-17A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a 3C136803.D 1 04/25/17 ANJ n/a n/a N:V3C6214Run #2

Initial WeightRun #1 5.8 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone 52.7 16 ug/kg107-13-1 Acrylonitrile ND 16 ug/kg71-43-2 Benzene ND 0.82 ug/kg108-86-1 Bromobenzene ND 8.2 ug/kg75-27-4 Bromodichloromethane ND 3.3 ug/kg75-25-2 Bromoform ND 8.2 ug/kg74-83-9 Bromomethane ND 8.2 ug/kg78-93-3 2-Butanone (MEK) b ND 16 ug/kg104-51-8 n-Butylbenzene ND 3.3 ug/kg135-98-8 sec-Butylbenzene ND 3.3 ug/kg98-06-6 tert-Butylbenzene ND 3.3 ug/kg75-15-0 Carbon disulfide 33.9 3.3 ug/kg56-23-5 Carbon tetrachloride ND 3.3 ug/kg108-90-7 Chlorobenzene ND 3.3 ug/kg75-00-3 Chloroethane ND 8.2 ug/kg67-66-3 Chloroform ND 3.3 ug/kg74-87-3 Chloromethane ND 8.2 ug/kg95-49-8 o-Chlorotoluene ND 3.3 ug/kg106-43-4 p-Chlorotoluene ND 3.3 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 3.3 ug/kg124-48-1 Dibromochloromethane ND 3.3 ug/kg106-93-4 1,2-Dibromoethane ND 1.6 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.6 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.6 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.6 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 8.2 ug/kg75-71-8 Dichlorodifluoromethane ND 8.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.6 ug/kg107-06-2 1,2-Dichloroethane ND 1.6 ug/kg75-35-4 1,1-Dichloroethene ND 1.6 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.6 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.6 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 3.3 ug/kg142-28-9 1,3-Dichloropropane ND 3.3 ug/kg594-20-7 2,2-Dichloropropane ND 3.3 ug/kg563-58-6 1,1-Dichloropropene ND 3.3 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 3.3 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 3.3 ug/kg100-41-4 Ethylbenzene ND 1.6 ug/kg76-13-1 Freon 113 ND 8.2 ug/kg87-68-3 Hexachlorobutadiene ND 8.2 ug/kg591-78-6 2-Hexanone ND 8.2 ug/kg98-82-8 Isopropylbenzene ND 3.3 ug/kg99-87-6 p-Isopropyltoluene ND 3.3 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.6 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 8.2 ug/kg74-95-3 Methylene bromide ND 8.2 ug/kg75-09-2 Methylene chloride ND 8.2 ug/kg91-20-3 Naphthalene ND 8.2 ug/kg103-65-1 n-Propylbenzene ND 3.3 ug/kg100-42-5 Styrene ND 3.3 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 3.3 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 3.3 ug/kg127-18-4 Tetrachloroethene ND 3.3 ug/kg109-99-9 Tetrahydrofuran c ND 16 ug/kg108-88-3 Toluene ND 1.6 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 8.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 8.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 3.3 ug/kg79-00-5 1,1,2-Trichloroethane ND 3.3 ug/kg79-01-6 Trichloroethene ND 1.6 ug/kg75-69-4 Trichlorofluoromethane ND 8.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 8.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 3.3 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 3.3 ug/kg75-01-4 Vinyl chloride ND 3.3 ug/kg

m,p-Xylene ND 1.6 ug/kg95-47-6 o-Xylene ND 1.6 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 100% 68-124%2037-26-5 Toluene-D8 98% 77-125%460-00-4 4-Bromofluorobenzene 110% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) Response factor for this compound is below 0.05 in the inital calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133613.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.4 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 63 ug/kg208-96-8 Acenaphthylene ND 63 ug/kg120-12-7 Anthracene ND 63 ug/kg56-55-3 Benzo(a)anthracene 140 63 ug/kg50-32-8 Benzo(a)pyrene 172 63 ug/kg205-99-2 Benzo(b)fluoranthene 237 63 ug/kg191-24-2 Benzo(g,h,i)perylene 105 63 ug/kg207-08-9 Benzo(k)fluoranthene 81.1 63 ug/kg218-01-9 Chrysene 182 63 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 63 ug/kg206-44-0 Fluoranthene 359 63 ug/kg86-73-7 Fluorene ND 63 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 113 63 ug/kg91-57-6 2-Methylnaphthalene ND 130 ug/kg91-20-3 Naphthalene ND 63 ug/kg85-01-8 Phenanthrene 134 63 ug/kg129-00-0 Pyrene 355 63 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 63% 26-134%321-60-8 2-Fluorobiphenyl 56% 39-124%1718-51-0 Terphenyl-d14 58% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54819.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 21.0 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 91 ug/kg309-00-2 Aldrin ND 9.1 ug/kg319-84-6 alpha-BHC ND 9.1 ug/kg319-85-7 beta-BHC ND 9.1 ug/kg319-86-8 delta-BHC ND 9.1 ug/kg58-89-9 gamma-BHC (Lindane) ND 9.1 ug/kg12789-03-6 Chlordane ND 91 ug/kg60-57-1 Dieldrin ND 9.1 ug/kg72-54-8 4,4'-DDD ND 9.1 ug/kg72-55-9 4,4'-DDE ND 9.1 ug/kg50-29-3 4,4'-DDT ND 9.1 ug/kg72-20-8 Endrin ND 9.1 ug/kg1031-07-8 Endosulfan sulfate ND 9.1 ug/kg7421-93-4 Endrin aldehyde ND 9.1 ug/kg959-98-8 Endosulfan-I ND 9.1 ug/kg33213-65-9 Endosulfan-II ND 9.1 ug/kg76-44-8 Heptachlor ND 9.1 ug/kg1024-57-3 Heptachlor epoxide ND 9.1 ug/kg72-43-5 Methoxychlor ND 9.1 ug/kg53494-70-5 Endrin ketone ND 9.1 ug/kg8001-35-2 Toxaphene ND 91 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 73% 10-143%877-09-8 Tetrachloro-m-xylene 65% 10-143%2051-24-3 Decachlorobiphenyl 70% 10-172%2051-24-3 Decachlorobiphenyl 71% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65300.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 21.0 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 45 ug/kg11104-28-2 Aroclor 1221 ND 45 ug/kg11141-16-5 Aroclor 1232 ND 45 ug/kg53469-21-9 Aroclor 1242 ND 45 ug/kg12672-29-6 Aroclor 1248 ND 45 ug/kg11097-69-1 Aroclor 1254 ND 45 ug/kg11096-82-5 Aroclor 1260 ND 45 ug/kg37324-23-5 Aroclor 1262 ND 45 ug/kg11100-14-4 Aroclor 1268 ND 45 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 87% 25-145%877-09-8 Tetrachloro-m-xylene 87% 25-145%2051-24-3 Decachlorobiphenyl 114% 25-179%2051-24-3 Decachlorobiphenyl 127% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4913.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.2 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 54.5 31 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 96% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.8 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 53.4 40 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.99 0.99 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 47.3 2.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 15.8 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a <0.033 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <4.0 4.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.99 0.99 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 52.5 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 32800 1900 mg/kg 1 04/27/17 11:35 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-18 1.5-3 Lab Sample ID: MC50199-18A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 52.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a 0.068 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168194.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 5.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 67.5 24 ug/kg107-13-1 Acrylonitrile ND 24 ug/kg71-43-2 Benzene ND 1.2 ug/kg108-86-1 Bromobenzene ND 12 ug/kg75-27-4 Bromodichloromethane ND 4.7 ug/kg75-25-2 Bromoform ND 12 ug/kg74-83-9 Bromomethane c ND 12 ug/kg78-93-3 2-Butanone (MEK) b ND 24 ug/kg104-51-8 n-Butylbenzene ND 4.7 ug/kg135-98-8 sec-Butylbenzene ND 4.7 ug/kg98-06-6 tert-Butylbenzene ND 4.7 ug/kg75-15-0 Carbon disulfide 24.9 4.7 ug/kg56-23-5 Carbon tetrachloride ND 4.7 ug/kg108-90-7 Chlorobenzene ND 4.7 ug/kg75-00-3 Chloroethane c ND 12 ug/kg67-66-3 Chloroform ND 4.7 ug/kg74-87-3 Chloromethane c ND 12 ug/kg95-49-8 o-Chlorotoluene ND 4.7 ug/kg106-43-4 p-Chlorotoluene ND 4.7 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 4.7 ug/kg124-48-1 Dibromochloromethane ND 4.7 ug/kg106-93-4 1,2-Dibromoethane ND 2.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 2.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 2.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 2.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 12 ug/kg75-71-8 Dichlorodifluoromethane ND 12 ug/kg75-34-3 1,1-Dichloroethane ND 2.4 ug/kg107-06-2 1,2-Dichloroethane ND 2.4 ug/kg75-35-4 1,1-Dichloroethene ND 2.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 2.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 2.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 4.7 ug/kg142-28-9 1,3-Dichloropropane ND 4.7 ug/kg594-20-7 2,2-Dichloropropane ND 4.7 ug/kg563-58-6 1,1-Dichloropropene ND 4.7 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 4.7 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 4.7 ug/kg100-41-4 Ethylbenzene ND 2.4 ug/kg76-13-1 Freon 113 c ND 12 ug/kg87-68-3 Hexachlorobutadiene c ND 12 ug/kg591-78-6 2-Hexanone d ND 12 ug/kg98-82-8 Isopropylbenzene ND 4.7 ug/kg99-87-6 p-Isopropyltoluene ND 4.7 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 2.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 12 ug/kg74-95-3 Methylene bromide ND 12 ug/kg75-09-2 Methylene chloride ND 12 ug/kg91-20-3 Naphthalene ND 12 ug/kg103-65-1 n-Propylbenzene ND 4.7 ug/kg100-42-5 Styrene ND 4.7 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 4.7 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 4.7 ug/kg127-18-4 Tetrachloroethene ND 4.7 ug/kg109-99-9 Tetrahydrofuran ND 24 ug/kg108-88-3 Toluene ND 2.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 12 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 12 ug/kg71-55-6 1,1,1-Trichloroethane ND 4.7 ug/kg79-00-5 1,1,2-Trichloroethane ND 4.7 ug/kg79-01-6 Trichloroethene ND 2.4 ug/kg75-69-4 Trichlorofluoromethane ND 12 ug/kg96-18-4 1,2,3-Trichloropropane ND 12 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 4.7 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 4.7 ug/kg75-01-4 Vinyl chloride ND 4.7 ug/kg

m,p-Xylene ND 2.4 ug/kg95-47-6 o-Xylene ND 2.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 109% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 97% 68-124%2037-26-5 Toluene-D8 95% 77-125%460-00-4 4-Bromofluorobenzene 94% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133614.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 15.9 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 170 ug/kg208-96-8 Acenaphthylene ND 170 ug/kg120-12-7 Anthracene ND 170 ug/kg56-55-3 Benzo(a)anthracene ND 170 ug/kg50-32-8 Benzo(a)pyrene ND 170 ug/kg205-99-2 Benzo(b)fluoranthene ND 170 ug/kg191-24-2 Benzo(g,h,i)perylene ND 170 ug/kg207-08-9 Benzo(k)fluoranthene ND 170 ug/kg218-01-9 Chrysene ND 170 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 170 ug/kg206-44-0 Fluoranthene ND 170 ug/kg86-73-7 Fluorene ND 170 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 170 ug/kg91-57-6 2-Methylnaphthalene ND 350 ug/kg91-20-3 Naphthalene ND 170 ug/kg85-01-8 Phenanthrene ND 170 ug/kg129-00-0 Pyrene ND 170 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 60% 26-134%321-60-8 2-Fluorobiphenyl 57% 39-124%1718-51-0 Terphenyl-d14 61% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54820.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 140 ug/kg309-00-2 Aldrin ND 14 ug/kg319-84-6 alpha-BHC ND 14 ug/kg319-85-7 beta-BHC ND 14 ug/kg319-86-8 delta-BHC ND 14 ug/kg58-89-9 gamma-BHC (Lindane) ND 14 ug/kg12789-03-6 Chlordane ND 140 ug/kg60-57-1 Dieldrin ND 14 ug/kg72-54-8 4,4'-DDD ND 14 ug/kg72-55-9 4,4'-DDE ND 14 ug/kg50-29-3 4,4'-DDT ND 14 ug/kg72-20-8 Endrin ND 14 ug/kg1031-07-8 Endosulfan sulfate ND 14 ug/kg7421-93-4 Endrin aldehyde ND 14 ug/kg959-98-8 Endosulfan-I ND 14 ug/kg33213-65-9 Endosulfan-II ND 14 ug/kg76-44-8 Heptachlor ND 14 ug/kg1024-57-3 Heptachlor epoxide ND 14 ug/kg72-43-5 Methoxychlor ND 14 ug/kg53494-70-5 Endrin ketone ND 14 ug/kg8001-35-2 Toxaphene ND 140 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 70% 10-143%877-09-8 Tetrachloro-m-xylene 63% 10-143%2051-24-3 Decachlorobiphenyl 68% 10-172%2051-24-3 Decachlorobiphenyl 77% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65301.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 68 ug/kg11104-28-2 Aroclor 1221 ND 68 ug/kg11141-16-5 Aroclor 1232 ND 68 ug/kg53469-21-9 Aroclor 1242 ND 68 ug/kg12672-29-6 Aroclor 1248 ND 68 ug/kg11097-69-1 Aroclor 1254 ND 68 ug/kg11096-82-5 Aroclor 1260 ND 68 ug/kg37324-23-5 Aroclor 1262 ND 68 ug/kg11100-14-4 Aroclor 1268 ND 68 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 76% 25-145%877-09-8 Tetrachloro-m-xylene 82% 25-145%2051-24-3 Decachlorobiphenyl 98% 25-179%2051-24-3 Decachlorobiphenyl 102% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4910.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.4 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 177 45 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 102% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <5.5 5.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 64.6 55 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <1.4 1.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 35.9 2.8 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 12.5 5.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a <0.034 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <5.5 5.5 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <1.4 1.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19 Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 36 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 71300 2800 mg/kg 1 04/27/17 12:04 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-10 1.5-3 Lab Sample ID: MC50199-19A Date Sampled: 04/18/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 36.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Report of Analysis Page 1 of 3

Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168193.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 6.4 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 11 ug/kg107-13-1 Acrylonitrile ND 11 ug/kg71-43-2 Benzene ND 0.54 ug/kg108-86-1 Bromobenzene ND 5.4 ug/kg75-27-4 Bromodichloromethane ND 2.2 ug/kg75-25-2 Bromoform ND 5.4 ug/kg74-83-9 Bromomethane c ND 5.4 ug/kg78-93-3 2-Butanone (MEK) b ND 11 ug/kg104-51-8 n-Butylbenzene ND 2.2 ug/kg135-98-8 sec-Butylbenzene ND 2.2 ug/kg98-06-6 tert-Butylbenzene ND 2.2 ug/kg75-15-0 Carbon disulfide ND 2.2 ug/kg56-23-5 Carbon tetrachloride ND 2.2 ug/kg108-90-7 Chlorobenzene ND 2.2 ug/kg75-00-3 Chloroethane c ND 5.4 ug/kg67-66-3 Chloroform ND 2.2 ug/kg74-87-3 Chloromethane c ND 5.4 ug/kg95-49-8 o-Chlorotoluene ND 2.2 ug/kg106-43-4 p-Chlorotoluene ND 2.2 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.2 ug/kg124-48-1 Dibromochloromethane ND 2.2 ug/kg106-93-4 1,2-Dibromoethane ND 1.1 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.1 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.1 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.1 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 5.4 ug/kg75-71-8 Dichlorodifluoromethane ND 5.4 ug/kg75-34-3 1,1-Dichloroethane ND 1.1 ug/kg107-06-2 1,2-Dichloroethane ND 1.1 ug/kg75-35-4 1,1-Dichloroethene ND 1.1 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.1 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.1 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.2 ug/kg142-28-9 1,3-Dichloropropane ND 2.2 ug/kg594-20-7 2,2-Dichloropropane ND 2.2 ug/kg563-58-6 1,1-Dichloropropene ND 2.2 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.2 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.2 ug/kg100-41-4 Ethylbenzene ND 1.1 ug/kg76-13-1 Freon 113 c ND 5.4 ug/kg87-68-3 Hexachlorobutadiene c ND 5.4 ug/kg591-78-6 2-Hexanone d ND 5.4 ug/kg98-82-8 Isopropylbenzene ND 2.2 ug/kg99-87-6 p-Isopropyltoluene ND 2.2 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.1 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.4 ug/kg74-95-3 Methylene bromide ND 5.4 ug/kg75-09-2 Methylene chloride ND 5.4 ug/kg91-20-3 Naphthalene ND 5.4 ug/kg103-65-1 n-Propylbenzene ND 2.2 ug/kg100-42-5 Styrene ND 2.2 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.2 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.2 ug/kg127-18-4 Tetrachloroethene ND 2.2 ug/kg109-99-9 Tetrahydrofuran ND 11 ug/kg108-88-3 Toluene ND 1.1 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.4 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.4 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.2 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.2 ug/kg79-01-6 Trichloroethene ND 1.1 ug/kg75-69-4 Trichlorofluoromethane ND 5.4 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.4 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.2 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.2 ug/kg75-01-4 Vinyl chloride ND 2.2 ug/kg

m,p-Xylene ND 1.1 ug/kg95-47-6 o-Xylene ND 1.1 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 104% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 91% 68-124%2037-26-5 Toluene-D8 96% 77-125%460-00-4 4-Bromofluorobenzene 95% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133615.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.1 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 45.7 44 ug/kg208-96-8 Acenaphthylene 557 44 ug/kg120-12-7 Anthracene 481 44 ug/kg56-55-3 Benzo(a)anthracene 1450 44 ug/kg50-32-8 Benzo(a)pyrene 1670 44 ug/kg205-99-2 Benzo(b)fluoranthene 2150 44 ug/kg191-24-2 Benzo(g,h,i)perylene 1130 44 ug/kg207-08-9 Benzo(k)fluoranthene 838 44 ug/kg218-01-9 Chrysene 1600 44 ug/kg53-70-3 Dibenzo(a,h)anthracene 300 44 ug/kg206-44-0 Fluoranthene 2540 44 ug/kg86-73-7 Fluorene 87.3 44 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1290 44 ug/kg91-57-6 2-Methylnaphthalene ND 89 ug/kg91-20-3 Naphthalene 114 44 ug/kg85-01-8 Phenanthrene 925 44 ug/kg129-00-0 Pyrene 2790 44 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 76% 26-134%321-60-8 2-Fluorobiphenyl 75% 39-124%1718-51-0 Terphenyl-d14 82% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54821.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 67 ug/kg309-00-2 Aldrin ND 6.7 ug/kg319-84-6 alpha-BHC ND 6.7 ug/kg319-85-7 beta-BHC ND 6.7 ug/kg319-86-8 delta-BHC ND 6.7 ug/kg58-89-9 gamma-BHC (Lindane) ND 6.7 ug/kg12789-03-6 Chlordane ND 67 ug/kg60-57-1 Dieldrin ND 6.7 ug/kg72-54-8 4,4'-DDD ND 6.7 ug/kg72-55-9 4,4'-DDE ND 6.7 ug/kg50-29-3 4,4'-DDT a 13.9 6.7 ug/kg72-20-8 Endrin ND 6.7 ug/kg1031-07-8 Endosulfan sulfate ND 6.7 ug/kg7421-93-4 Endrin aldehyde ND 6.7 ug/kg959-98-8 Endosulfan-I ND 6.7 ug/kg33213-65-9 Endosulfan-II ND 6.7 ug/kg76-44-8 Heptachlor ND 6.7 ug/kg1024-57-3 Heptachlor epoxide ND 6.7 ug/kg72-43-5 Methoxychlor ND 6.7 ug/kg53494-70-5 Endrin ketone ND 6.7 ug/kg8001-35-2 Toxaphene ND 67 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 66% 10-143%877-09-8 Tetrachloro-m-xylene 54% 10-143%2051-24-3 Decachlorobiphenyl 93% 10-172%2051-24-3 Decachlorobiphenyl 140% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65302.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 33 ug/kg11104-28-2 Aroclor 1221 ND 33 ug/kg11141-16-5 Aroclor 1232 ND 33 ug/kg53469-21-9 Aroclor 1242 ND 33 ug/kg12672-29-6 Aroclor 1248 93.8 33 ug/kg11097-69-1 Aroclor 1254 a 88.6 33 ug/kg11096-82-5 Aroclor 1260 ND 33 ug/kg37324-23-5 Aroclor 1262 ND 33 ug/kg11100-14-4 Aroclor 1268 ND 33 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 59% 25-145%877-09-8 Tetrachloro-m-xylene 40% 25-145%2051-24-3 Decachlorobiphenyl 96% 25-179%2051-24-3 Decachlorobiphenyl 69% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4894.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 16.0 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 462 22 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 98% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 7.8 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 72.2 27 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.67 0.67 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 32.9 1.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 392 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 1.7 0.17 mg/kg 5 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.7 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.67 0.67 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP181

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 72.6 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon b 43200 1400 mg/kg 1 04/27/17 14:25 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-7 0-1 Lab Sample ID: MC50199-20A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 72.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.037 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168145.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 5.6 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 12 ug/kg107-13-1 Acrylonitrile ND 12 ug/kg71-43-2 Benzene ND 0.59 ug/kg108-86-1 Bromobenzene ND 5.9 ug/kg75-27-4 Bromodichloromethane ND 2.4 ug/kg75-25-2 Bromoform ND 5.9 ug/kg74-83-9 Bromomethane ND 5.9 ug/kg78-93-3 2-Butanone (MEK) c ND 12 ug/kg104-51-8 n-Butylbenzene ND 2.4 ug/kg135-98-8 sec-Butylbenzene ND 2.4 ug/kg98-06-6 tert-Butylbenzene ND 2.4 ug/kg75-15-0 Carbon disulfide ND 2.4 ug/kg56-23-5 Carbon tetrachloride ND 2.4 ug/kg108-90-7 Chlorobenzene ND 2.4 ug/kg75-00-3 Chloroethane ND 5.9 ug/kg67-66-3 Chloroform ND 2.4 ug/kg74-87-3 Chloromethane ND 5.9 ug/kg95-49-8 o-Chlorotoluene ND 2.4 ug/kg106-43-4 p-Chlorotoluene ND 2.4 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.4 ug/kg124-48-1 Dibromochloromethane ND 2.4 ug/kg106-93-4 1,2-Dibromoethane ND 1.2 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.2 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.2 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.2 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.9 ug/kg75-71-8 Dichlorodifluoromethane ND 5.9 ug/kg75-34-3 1,1-Dichloroethane ND 1.2 ug/kg107-06-2 1,2-Dichloroethane ND 1.2 ug/kg75-35-4 1,1-Dichloroethene ND 1.2 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.2 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.2 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.4 ug/kg142-28-9 1,3-Dichloropropane ND 2.4 ug/kg594-20-7 2,2-Dichloropropane ND 2.4 ug/kg563-58-6 1,1-Dichloropropene ND 2.4 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.4 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.4 ug/kg100-41-4 Ethylbenzene ND 1.2 ug/kg76-13-1 Freon 113 ND 5.9 ug/kg87-68-3 Hexachlorobutadiene ND 5.9 ug/kg591-78-6 2-Hexanone ND 5.9 ug/kg98-82-8 Isopropylbenzene ND 2.4 ug/kg99-87-6 p-Isopropyltoluene ND 2.4 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.2 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.9 ug/kg74-95-3 Methylene bromide ND 5.9 ug/kg75-09-2 Methylene chloride ND 5.9 ug/kg91-20-3 Naphthalene ND 5.9 ug/kg103-65-1 n-Propylbenzene ND 2.4 ug/kg100-42-5 Styrene ND 2.4 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.4 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.4 ug/kg127-18-4 Tetrachloroethene ND 2.4 ug/kg109-99-9 Tetrahydrofuran ND 12 ug/kg108-88-3 Toluene ND 1.2 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.9 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.9 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.4 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.4 ug/kg79-01-6 Trichloroethene ND 1.2 ug/kg75-69-4 Trichlorofluoromethane ND 5.9 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.9 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.4 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.4 ug/kg75-01-4 Vinyl chloride ND 2.4 ug/kg

m,p-Xylene ND 1.2 ug/kg95-47-6 o-Xylene ND 1.2 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 104% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 3 of 3

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 95% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 96% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is

outside the RCP limits in the associated BS biased high.(c) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133616.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.0 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 88.7 44 ug/kg208-96-8 Acenaphthylene 542 44 ug/kg120-12-7 Anthracene 448 44 ug/kg56-55-3 Benzo(a)anthracene 1340 44 ug/kg50-32-8 Benzo(a)pyrene 1520 44 ug/kg205-99-2 Benzo(b)fluoranthene 2140 44 ug/kg191-24-2 Benzo(g,h,i)perylene 1040 44 ug/kg207-08-9 Benzo(k)fluoranthene 827 44 ug/kg218-01-9 Chrysene 1760 44 ug/kg53-70-3 Dibenzo(a,h)anthracene 286 44 ug/kg206-44-0 Fluoranthene 2880 44 ug/kg86-73-7 Fluorene 246 44 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1240 44 ug/kg91-57-6 2-Methylnaphthalene ND 88 ug/kg91-20-3 Naphthalene 91.2 44 ug/kg85-01-8 Phenanthrene 2020 44 ug/kg129-00-0 Pyrene 3120 44 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 57% 26-134%321-60-8 2-Fluorobiphenyl 59% 39-124%1718-51-0 Terphenyl-d14 67% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54822.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 65 ug/kg309-00-2 Aldrin ND 6.5 ug/kg319-84-6 alpha-BHC ND 6.5 ug/kg319-85-7 beta-BHC ND 6.5 ug/kg319-86-8 delta-BHC ND 6.5 ug/kg58-89-9 gamma-BHC (Lindane) ND 6.5 ug/kg12789-03-6 Chlordane ND 65 ug/kg60-57-1 Dieldrin ND 6.5 ug/kg72-54-8 4,4'-DDD ND 6.5 ug/kg72-55-9 4,4'-DDE ND 6.5 ug/kg50-29-3 4,4'-DDT a 19.3 6.5 ug/kg72-20-8 Endrin ND 6.5 ug/kg1031-07-8 Endosulfan sulfate ND 6.5 ug/kg7421-93-4 Endrin aldehyde ND 6.5 ug/kg959-98-8 Endosulfan-I ND 6.5 ug/kg33213-65-9 Endosulfan-II ND 6.5 ug/kg76-44-8 Heptachlor ND 6.5 ug/kg1024-57-3 Heptachlor epoxide ND 6.5 ug/kg72-43-5 Methoxychlor ND 6.5 ug/kg53494-70-5 Endrin ketone ND 6.5 ug/kg8001-35-2 Toxaphene ND 65 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 64% 10-143%877-09-8 Tetrachloro-m-xylene 57% 10-143%2051-24-3 Decachlorobiphenyl 118% 10-172%2051-24-3 Decachlorobiphenyl 143% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65303.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 32 ug/kg11104-28-2 Aroclor 1221 ND 32 ug/kg11141-16-5 Aroclor 1232 ND 32 ug/kg53469-21-9 Aroclor 1242 ND 32 ug/kg12672-29-6 Aroclor 1248 ND 32 ug/kg11097-69-1 Aroclor 1254 a 56.0 32 ug/kg11096-82-5 Aroclor 1260 116 32 ug/kg37324-23-5 Aroclor 1262 ND 32 ug/kg11100-14-4 Aroclor 1268 ND 32 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 75% 25-145%877-09-8 Tetrachloro-m-xylene 71% 25-145%2051-24-3 Decachlorobiphenyl 124% 25-179%2051-24-3 Decachlorobiphenyl 87% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4895.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.8 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 525 21 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 92% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.3 2.6 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 52.4 26 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.65 0.65 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 25.5 1.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 284 2.6 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.49 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.6 2.6 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.65 0.65 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 75.8 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon b 50600 1300 mg/kg 1 04/27/17 14:52 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-8 0-1 Lab Sample ID: MC50199-21A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 75.8 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.061 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168146.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 3.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 14 ug/kg107-13-1 Acrylonitrile ND 14 ug/kg71-43-2 Benzene ND 0.69 ug/kg108-86-1 Bromobenzene ND 6.9 ug/kg75-27-4 Bromodichloromethane ND 2.7 ug/kg75-25-2 Bromoform ND 6.9 ug/kg74-83-9 Bromomethane ND 6.9 ug/kg78-93-3 2-Butanone (MEK) c ND 14 ug/kg104-51-8 n-Butylbenzene ND 2.7 ug/kg135-98-8 sec-Butylbenzene ND 2.7 ug/kg98-06-6 tert-Butylbenzene ND 2.7 ug/kg75-15-0 Carbon disulfide ND 2.7 ug/kg56-23-5 Carbon tetrachloride ND 2.7 ug/kg108-90-7 Chlorobenzene ND 2.7 ug/kg75-00-3 Chloroethane ND 6.9 ug/kg67-66-3 Chloroform ND 2.7 ug/kg74-87-3 Chloromethane ND 6.9 ug/kg95-49-8 o-Chlorotoluene ND 2.7 ug/kg106-43-4 p-Chlorotoluene ND 2.7 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.7 ug/kg124-48-1 Dibromochloromethane ND 2.7 ug/kg106-93-4 1,2-Dibromoethane ND 1.4 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.4 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.4 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.4 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 6.9 ug/kg75-71-8 Dichlorodifluoromethane ND 6.9 ug/kg75-34-3 1,1-Dichloroethane ND 1.4 ug/kg107-06-2 1,2-Dichloroethane ND 1.4 ug/kg75-35-4 1,1-Dichloroethene ND 1.4 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.4 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.4 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.7 ug/kg142-28-9 1,3-Dichloropropane ND 2.7 ug/kg594-20-7 2,2-Dichloropropane ND 2.7 ug/kg563-58-6 1,1-Dichloropropene ND 2.7 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.7 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.7 ug/kg100-41-4 Ethylbenzene ND 1.4 ug/kg76-13-1 Freon 113 ND 6.9 ug/kg87-68-3 Hexachlorobutadiene ND 6.9 ug/kg591-78-6 2-Hexanone ND 6.9 ug/kg98-82-8 Isopropylbenzene ND 2.7 ug/kg99-87-6 p-Isopropyltoluene ND 2.7 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.4 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.9 ug/kg74-95-3 Methylene bromide ND 6.9 ug/kg75-09-2 Methylene chloride ND 6.9 ug/kg91-20-3 Naphthalene ND 6.9 ug/kg103-65-1 n-Propylbenzene ND 2.7 ug/kg100-42-5 Styrene ND 2.7 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.7 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.7 ug/kg127-18-4 Tetrachloroethene ND 2.7 ug/kg109-99-9 Tetrahydrofuran ND 14 ug/kg108-88-3 Toluene ND 1.4 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.9 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.9 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.7 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.7 ug/kg79-01-6 Trichloroethene ND 1.4 ug/kg75-69-4 Trichlorofluoromethane ND 6.9 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.9 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.7 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.7 ug/kg75-01-4 Vinyl chloride ND 2.7 ug/kg

m,p-Xylene ND 1.4 ug/kg95-47-6 o-Xylene ND 1.4 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 94% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is

outside the RCP limits in the associated BS biased high.(c) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133617.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.0 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 70.6 35 ug/kg208-96-8 Acenaphthylene 515 35 ug/kg120-12-7 Anthracene 506 35 ug/kg56-55-3 Benzo(a)anthracene 1350 35 ug/kg50-32-8 Benzo(a)pyrene 1670 35 ug/kg205-99-2 Benzo(b)fluoranthene 2600 35 ug/kg191-24-2 Benzo(g,h,i)perylene 1310 35 ug/kg207-08-9 Benzo(k)fluoranthene 908 35 ug/kg218-01-9 Chrysene 1790 35 ug/kg53-70-3 Dibenzo(a,h)anthracene 304 35 ug/kg206-44-0 Fluoranthene 2210 35 ug/kg86-73-7 Fluorene 80.6 35 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1480 35 ug/kg91-57-6 2-Methylnaphthalene ND 69 ug/kg91-20-3 Naphthalene ND 35 ug/kg85-01-8 Phenanthrene 698 35 ug/kg129-00-0 Pyrene 2790 35 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 68% 26-134%321-60-8 2-Fluorobiphenyl 70% 39-124%1718-51-0 Terphenyl-d14 77% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54825.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.9 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 51 ug/kg309-00-2 Aldrin ND 5.1 ug/kg319-84-6 alpha-BHC ND 5.1 ug/kg319-85-7 beta-BHC ND 5.1 ug/kg319-86-8 delta-BHC ND 5.1 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.1 ug/kg12789-03-6 Chlordane ND 51 ug/kg60-57-1 Dieldrin ND 5.1 ug/kg72-54-8 4,4'-DDD ND 5.1 ug/kg72-55-9 4,4'-DDE ND 5.1 ug/kg50-29-3 4,4'-DDT a 13.0 5.1 ug/kg72-20-8 Endrin ND 5.1 ug/kg1031-07-8 Endosulfan sulfate ND 5.1 ug/kg7421-93-4 Endrin aldehyde ND 5.1 ug/kg959-98-8 Endosulfan-I ND 5.1 ug/kg33213-65-9 Endosulfan-II ND 5.1 ug/kg76-44-8 Heptachlor ND 5.1 ug/kg1024-57-3 Heptachlor epoxide ND 5.1 ug/kg72-43-5 Methoxychlor ND 5.1 ug/kg53494-70-5 Endrin ketone ND 5.1 ug/kg8001-35-2 Toxaphene ND 51 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 78% 10-143%877-09-8 Tetrachloro-m-xylene 77% 10-143%2051-24-3 Decachlorobiphenyl 121% 10-172%2051-24-3 Decachlorobiphenyl 179% b 10-172%

(a) Confirmation value >40% RPD.(b) Outside control limits due to possible matrix interference.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65304.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.9 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 26 ug/kg11104-28-2 Aroclor 1221 ND 26 ug/kg11141-16-5 Aroclor 1232 ND 26 ug/kg53469-21-9 Aroclor 1242 ND 26 ug/kg12672-29-6 Aroclor 1248 ND 26 ug/kg11097-69-1 Aroclor 1254 a 121 26 ug/kg11096-82-5 Aroclor 1260 172 26 ug/kg37324-23-5 Aroclor 1262 ND 26 ug/kg11100-14-4 Aroclor 1268 ND 26 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 100% 25-145%877-09-8 Tetrachloro-m-xylene 74% 25-145%2051-24-3 Decachlorobiphenyl 103% 25-179%2051-24-3 Decachlorobiphenyl 96% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4905.D 5 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 16.0 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 355 84 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 100% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 3.3 2.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 66.0 21 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.51 0.51 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 21.7 1.0 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 163 2.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.40 0.035 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.1 2.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.51 0.51 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 93.4 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon b 25200 1100 mg/kg 1 04/27/17 16:24 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-11 0-1 Lab Sample ID: MC50199-22A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 93.4 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Barium a <1.0 D005 100 1.0 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Lead a 0.11 D008 5.0 0.015 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/24/17 04/24/17 ANJ SW846 7470A 1 SW846 7470A 4

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/24/17 04/25/17 ANJ SW846 6010C 2 SW846 3010A 3

(1) Instrument QC Batch: N:MA41854(2) Instrument QC Batch: N:MA41882(3) Prep QC Batch: N:MP193(4) Prep QC Batch: N:MP204

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168147.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 6.3 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 9.1 ug/kg107-13-1 Acrylonitrile ND 9.1 ug/kg71-43-2 Benzene ND 0.45 ug/kg108-86-1 Bromobenzene ND 4.5 ug/kg75-27-4 Bromodichloromethane ND 1.8 ug/kg75-25-2 Bromoform ND 4.5 ug/kg74-83-9 Bromomethane ND 4.5 ug/kg78-93-3 2-Butanone (MEK) c ND 9.1 ug/kg104-51-8 n-Butylbenzene ND 1.8 ug/kg135-98-8 sec-Butylbenzene ND 1.8 ug/kg98-06-6 tert-Butylbenzene ND 1.8 ug/kg75-15-0 Carbon disulfide ND 1.8 ug/kg56-23-5 Carbon tetrachloride ND 1.8 ug/kg108-90-7 Chlorobenzene ND 1.8 ug/kg75-00-3 Chloroethane ND 4.5 ug/kg67-66-3 Chloroform ND 1.8 ug/kg74-87-3 Chloromethane ND 4.5 ug/kg95-49-8 o-Chlorotoluene ND 1.8 ug/kg106-43-4 p-Chlorotoluene ND 1.8 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.8 ug/kg124-48-1 Dibromochloromethane ND 1.8 ug/kg106-93-4 1,2-Dibromoethane ND 0.91 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.91 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.91 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.91 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 4.5 ug/kg75-71-8 Dichlorodifluoromethane ND 4.5 ug/kg75-34-3 1,1-Dichloroethane ND 0.91 ug/kg107-06-2 1,2-Dichloroethane ND 0.91 ug/kg75-35-4 1,1-Dichloroethene ND 0.91 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.91 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.91 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.8 ug/kg142-28-9 1,3-Dichloropropane ND 1.8 ug/kg594-20-7 2,2-Dichloropropane ND 1.8 ug/kg563-58-6 1,1-Dichloropropene ND 1.8 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.8 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.8 ug/kg100-41-4 Ethylbenzene ND 0.91 ug/kg76-13-1 Freon 113 ND 4.5 ug/kg87-68-3 Hexachlorobutadiene ND 4.5 ug/kg591-78-6 2-Hexanone ND 4.5 ug/kg98-82-8 Isopropylbenzene ND 1.8 ug/kg99-87-6 p-Isopropyltoluene ND 1.8 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.91 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 4.5 ug/kg74-95-3 Methylene bromide ND 4.5 ug/kg75-09-2 Methylene chloride ND 4.5 ug/kg91-20-3 Naphthalene ND 4.5 ug/kg103-65-1 n-Propylbenzene ND 1.8 ug/kg100-42-5 Styrene ND 1.8 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.8 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.8 ug/kg127-18-4 Tetrachloroethene ND 1.8 ug/kg109-99-9 Tetrahydrofuran ND 9.1 ug/kg108-88-3 Toluene ND 0.91 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 4.5 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 4.5 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.8 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.8 ug/kg79-01-6 Trichloroethene ND 0.91 ug/kg75-69-4 Trichlorofluoromethane ND 4.5 ug/kg96-18-4 1,2,3-Trichloropropane ND 4.5 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.8 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.8 ug/kg75-01-4 Vinyl chloride ND 1.8 ug/kg

m,p-Xylene ND 0.91 ug/kg95-47-6 o-Xylene ND 0.91 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 3 of 3

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 94% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is

outside the RCP limits in the associated BS biased high.(c) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133618.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.6 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 37 ug/kg208-96-8 Acenaphthylene 75.0 37 ug/kg120-12-7 Anthracene 66.5 37 ug/kg56-55-3 Benzo(a)anthracene 259 37 ug/kg50-32-8 Benzo(a)pyrene 312 37 ug/kg205-99-2 Benzo(b)fluoranthene 409 37 ug/kg191-24-2 Benzo(g,h,i)perylene 212 37 ug/kg207-08-9 Benzo(k)fluoranthene 158 37 ug/kg218-01-9 Chrysene 306 37 ug/kg53-70-3 Dibenzo(a,h)anthracene 55.1 37 ug/kg206-44-0 Fluoranthene 473 37 ug/kg86-73-7 Fluorene ND 37 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 233 37 ug/kg91-57-6 2-Methylnaphthalene ND 75 ug/kg91-20-3 Naphthalene ND 37 ug/kg85-01-8 Phenanthrene 178 37 ug/kg129-00-0 Pyrene 555 37 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 61% 26-134%321-60-8 2-Fluorobiphenyl 67% 39-124%1718-51-0 Terphenyl-d14 76% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54826.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 55 ug/kg309-00-2 Aldrin ND 5.5 ug/kg319-84-6 alpha-BHC ND 5.5 ug/kg319-85-7 beta-BHC ND 5.5 ug/kg319-86-8 delta-BHC ND 5.5 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.5 ug/kg12789-03-6 Chlordane ND 55 ug/kg60-57-1 Dieldrin ND 5.5 ug/kg72-54-8 4,4'-DDD ND 5.5 ug/kg72-55-9 4,4'-DDE ND 5.5 ug/kg50-29-3 4,4'-DDT ND 5.5 ug/kg72-20-8 Endrin ND 5.5 ug/kg1031-07-8 Endosulfan sulfate ND 5.5 ug/kg7421-93-4 Endrin aldehyde ND 5.5 ug/kg959-98-8 Endosulfan-I ND 5.5 ug/kg33213-65-9 Endosulfan-II ND 5.5 ug/kg76-44-8 Heptachlor ND 5.5 ug/kg1024-57-3 Heptachlor epoxide ND 5.5 ug/kg72-43-5 Methoxychlor ND 5.5 ug/kg53494-70-5 Endrin ketone ND 5.5 ug/kg8001-35-2 Toxaphene ND 55 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 76% 10-143%877-09-8 Tetrachloro-m-xylene 65% 10-143%2051-24-3 Decachlorobiphenyl 65% 10-172%2051-24-3 Decachlorobiphenyl 99% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65305.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.7 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 28 ug/kg11104-28-2 Aroclor 1221 ND 28 ug/kg11141-16-5 Aroclor 1232 ND 28 ug/kg53469-21-9 Aroclor 1242 ND 28 ug/kg12672-29-6 Aroclor 1248 ND 28 ug/kg11097-69-1 Aroclor 1254 47.7 28 ug/kg11096-82-5 Aroclor 1260 ND 28 ug/kg37324-23-5 Aroclor 1262 ND 28 ug/kg11100-14-4 Aroclor 1268 ND 28 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 85% 25-145%877-09-8 Tetrachloro-m-xylene 77% 25-145%2051-24-3 Decachlorobiphenyl 107% 25-179%2051-24-3 Decachlorobiphenyl 125% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4902.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.5 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 80.9 18 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 96% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 4.1 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 66.6 22 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.54 0.54 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 25.1 1.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 94.8 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.81 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.2 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.54 0.54 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 87.5 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 23900 1100 mg/kg 1 04/27/17 17:36 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-12 0-1 Lab Sample ID: MC50199-23A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 87.5 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a <0.015 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168148.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 5.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.52 ug/kg108-86-1 Bromobenzene ND 5.2 ug/kg75-27-4 Bromodichloromethane ND 2.1 ug/kg75-25-2 Bromoform ND 5.2 ug/kg74-83-9 Bromomethane ND 5.2 ug/kg78-93-3 2-Butanone (MEK) c ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.1 ug/kg135-98-8 sec-Butylbenzene ND 2.1 ug/kg98-06-6 tert-Butylbenzene ND 2.1 ug/kg75-15-0 Carbon disulfide ND 2.1 ug/kg56-23-5 Carbon tetrachloride ND 2.1 ug/kg108-90-7 Chlorobenzene ND 2.1 ug/kg75-00-3 Chloroethane ND 5.2 ug/kg67-66-3 Chloroform ND 2.1 ug/kg74-87-3 Chloromethane ND 5.2 ug/kg95-49-8 o-Chlorotoluene ND 2.1 ug/kg106-43-4 p-Chlorotoluene ND 2.1 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.1 ug/kg124-48-1 Dibromochloromethane ND 2.1 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.2 ug/kg75-71-8 Dichlorodifluoromethane ND 5.2 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.1 ug/kg142-28-9 1,3-Dichloropropane ND 2.1 ug/kg594-20-7 2,2-Dichloropropane ND 2.1 ug/kg563-58-6 1,1-Dichloropropene ND 2.1 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.1 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.1 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.2 ug/kg87-68-3 Hexachlorobutadiene ND 5.2 ug/kg591-78-6 2-Hexanone ND 5.2 ug/kg98-82-8 Isopropylbenzene ND 2.1 ug/kg99-87-6 p-Isopropyltoluene ND 2.1 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.2 ug/kg74-95-3 Methylene bromide ND 5.2 ug/kg75-09-2 Methylene chloride ND 5.2 ug/kg91-20-3 Naphthalene ND 5.2 ug/kg103-65-1 n-Propylbenzene ND 2.1 ug/kg100-42-5 Styrene ND 2.1 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.1 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.1 ug/kg127-18-4 Tetrachloroethene ND 2.1 ug/kg109-99-9 Tetrahydrofuran ND 10 ug/kg108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.1 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.1 ug/kg79-01-6 Trichloroethene ND 1.0 ug/kg75-69-4 Trichlorofluoromethane ND 5.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.1 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.1 ug/kg75-01-4 Vinyl chloride ND 2.1 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 104% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 92% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 97% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations. This compound is

outside the RCP limits in the associated BS biased high.(c) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133619.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.3 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 41 ug/kg208-96-8 Acenaphthylene 161 41 ug/kg120-12-7 Anthracene 200 41 ug/kg56-55-3 Benzo(a)anthracene 1130 41 ug/kg50-32-8 Benzo(a)pyrene 1450 41 ug/kg205-99-2 Benzo(b)fluoranthene 2200 41 ug/kg191-24-2 Benzo(g,h,i)perylene 1180 41 ug/kg207-08-9 Benzo(k)fluoranthene 804 41 ug/kg218-01-9 Chrysene 1560 41 ug/kg53-70-3 Dibenzo(a,h)anthracene 294 41 ug/kg206-44-0 Fluoranthene 2270 41 ug/kg86-73-7 Fluorene 50.8 41 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 1370 41 ug/kg91-57-6 2-Methylnaphthalene ND 81 ug/kg91-20-3 Naphthalene ND 41 ug/kg85-01-8 Phenanthrene 786 41 ug/kg129-00-0 Pyrene 2470 41 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 69% 26-134%321-60-8 2-Fluorobiphenyl 72% 39-124%1718-51-0 Terphenyl-d14 81% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54827.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 59 ug/kg309-00-2 Aldrin ND 5.9 ug/kg319-84-6 alpha-BHC ND 5.9 ug/kg319-85-7 beta-BHC ND 5.9 ug/kg319-86-8 delta-BHC ND 5.9 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.9 ug/kg12789-03-6 Chlordane ND 59 ug/kg60-57-1 Dieldrin ND 5.9 ug/kg72-54-8 4,4'-DDD ND 5.9 ug/kg72-55-9 4,4'-DDE ND 5.9 ug/kg50-29-3 4,4'-DDT a 7.7 5.9 ug/kg72-20-8 Endrin ND 5.9 ug/kg1031-07-8 Endosulfan sulfate ND 5.9 ug/kg7421-93-4 Endrin aldehyde ND 5.9 ug/kg959-98-8 Endosulfan-I ND 5.9 ug/kg33213-65-9 Endosulfan-II ND 5.9 ug/kg76-44-8 Heptachlor ND 5.9 ug/kg1024-57-3 Heptachlor epoxide ND 5.9 ug/kg72-43-5 Methoxychlor ND 5.9 ug/kg53494-70-5 Endrin ketone ND 5.9 ug/kg8001-35-2 Toxaphene ND 59 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 78% 10-143%877-09-8 Tetrachloro-m-xylene 71% 10-143%2051-24-3 Decachlorobiphenyl 100% 10-172%2051-24-3 Decachlorobiphenyl 151% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65307.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 30 ug/kg11104-28-2 Aroclor 1221 ND 30 ug/kg11141-16-5 Aroclor 1232 ND 30 ug/kg53469-21-9 Aroclor 1242 ND 30 ug/kg12672-29-6 Aroclor 1248 ND 30 ug/kg11097-69-1 Aroclor 1254 ND 30 ug/kg11096-82-5 Aroclor 1260 ND 30 ug/kg37324-23-5 Aroclor 1262 ND 30 ug/kg11100-14-4 Aroclor 1268 ND 30 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 82% 25-145%877-09-8 Tetrachloro-m-xylene 61% 25-145%2051-24-3 Decachlorobiphenyl 94% 25-179%2051-24-3 Decachlorobiphenyl 90% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4903.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.6 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 177 20 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 107% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.1 2.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 66.5 24 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.59 0.59 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 21.5 1.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 82.2 2.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.28 0.037 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.4 2.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.59 0.59 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 81 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 43400 1200 mg/kg 1 04/27/17 18:16 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-13 0-1 Lab Sample ID: MC50199-24A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 81.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.016 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168153.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 4.6 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 13 ug/kg107-13-1 Acrylonitrile ND 13 ug/kg71-43-2 Benzene ND 0.64 ug/kg108-86-1 Bromobenzene ND 6.4 ug/kg75-27-4 Bromodichloromethane ND 2.5 ug/kg75-25-2 Bromoform ND 6.4 ug/kg74-83-9 Bromomethane ND 6.4 ug/kg78-93-3 2-Butanone (MEK) b ND 13 ug/kg104-51-8 n-Butylbenzene ND 2.5 ug/kg135-98-8 sec-Butylbenzene ND 2.5 ug/kg98-06-6 tert-Butylbenzene ND 2.5 ug/kg75-15-0 Carbon disulfide ND 2.5 ug/kg56-23-5 Carbon tetrachloride ND 2.5 ug/kg108-90-7 Chlorobenzene ND 2.5 ug/kg75-00-3 Chloroethane ND 6.4 ug/kg67-66-3 Chloroform ND 2.5 ug/kg74-87-3 Chloromethane ND 6.4 ug/kg95-49-8 o-Chlorotoluene ND 2.5 ug/kg106-43-4 p-Chlorotoluene ND 2.5 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.5 ug/kg124-48-1 Dibromochloromethane ND 2.5 ug/kg106-93-4 1,2-Dibromoethane ND 1.3 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.3 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.3 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.3 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 6.4 ug/kg75-71-8 Dichlorodifluoromethane ND 6.4 ug/kg75-34-3 1,1-Dichloroethane ND 1.3 ug/kg107-06-2 1,2-Dichloroethane ND 1.3 ug/kg75-35-4 1,1-Dichloroethene ND 1.3 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.3 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.3 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.5 ug/kg142-28-9 1,3-Dichloropropane ND 2.5 ug/kg594-20-7 2,2-Dichloropropane ND 2.5 ug/kg563-58-6 1,1-Dichloropropene ND 2.5 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.5 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.5 ug/kg100-41-4 Ethylbenzene ND 1.3 ug/kg76-13-1 Freon 113 ND 6.4 ug/kg87-68-3 Hexachlorobutadiene ND 6.4 ug/kg591-78-6 2-Hexanone ND 6.4 ug/kg98-82-8 Isopropylbenzene ND 2.5 ug/kg99-87-6 p-Isopropyltoluene ND 2.5 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.3 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 6.4 ug/kg74-95-3 Methylene bromide ND 6.4 ug/kg75-09-2 Methylene chloride ND 6.4 ug/kg91-20-3 Naphthalene ND 6.4 ug/kg103-65-1 n-Propylbenzene ND 2.5 ug/kg100-42-5 Styrene ND 2.5 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.5 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.5 ug/kg127-18-4 Tetrachloroethene ND 2.5 ug/kg109-99-9 Tetrahydrofuran ND 13 ug/kg108-88-3 Toluene ND 1.3 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 6.4 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 6.4 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.5 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.5 ug/kg79-01-6 Trichloroethene ND 1.3 ug/kg75-69-4 Trichlorofluoromethane ND 6.4 ug/kg96-18-4 1,2,3-Trichloropropane ND 6.4 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.5 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.5 ug/kg75-01-4 Vinyl chloride ND 2.5 ug/kg

m,p-Xylene ND 1.3 ug/kg95-47-6 o-Xylene ND 1.3 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 88% 68-124%2037-26-5 Toluene-D8 95% 77-125%460-00-4 4-Bromofluorobenzene 92% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133620.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.0 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 39 ug/kg208-96-8 Acenaphthylene 187 39 ug/kg120-12-7 Anthracene 123 39 ug/kg56-55-3 Benzo(a)anthracene 410 39 ug/kg50-32-8 Benzo(a)pyrene 488 39 ug/kg205-99-2 Benzo(b)fluoranthene 603 39 ug/kg191-24-2 Benzo(g,h,i)perylene 310 39 ug/kg207-08-9 Benzo(k)fluoranthene 214 39 ug/kg218-01-9 Chrysene 491 39 ug/kg53-70-3 Dibenzo(a,h)anthracene 80.5 39 ug/kg206-44-0 Fluoranthene 685 39 ug/kg86-73-7 Fluorene ND 39 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 329 39 ug/kg91-57-6 2-Methylnaphthalene ND 78 ug/kg91-20-3 Naphthalene ND 39 ug/kg85-01-8 Phenanthrene 322 39 ug/kg129-00-0 Pyrene 898 39 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 60% 26-134%321-60-8 2-Fluorobiphenyl 61% 39-124%1718-51-0 Terphenyl-d14 67% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54828.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 56 ug/kg309-00-2 Aldrin ND 5.6 ug/kg319-84-6 alpha-BHC ND 5.6 ug/kg319-85-7 beta-BHC ND 5.6 ug/kg319-86-8 delta-BHC ND 5.6 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.6 ug/kg12789-03-6 Chlordane ND 56 ug/kg60-57-1 Dieldrin ND 5.6 ug/kg72-54-8 4,4'-DDD ND 5.6 ug/kg72-55-9 4,4'-DDE ND 5.6 ug/kg50-29-3 4,4'-DDT a 6.4 5.6 ug/kg72-20-8 Endrin ND 5.6 ug/kg1031-07-8 Endosulfan sulfate ND 5.6 ug/kg7421-93-4 Endrin aldehyde ND 5.6 ug/kg959-98-8 Endosulfan-I ND 5.6 ug/kg33213-65-9 Endosulfan-II ND 5.6 ug/kg76-44-8 Heptachlor ND 5.6 ug/kg1024-57-3 Heptachlor epoxide ND 5.6 ug/kg72-43-5 Methoxychlor ND 5.6 ug/kg53494-70-5 Endrin ketone ND 5.6 ug/kg8001-35-2 Toxaphene ND 56 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 75% 10-143%877-09-8 Tetrachloro-m-xylene 69% 10-143%2051-24-3 Decachlorobiphenyl 83% 10-172%2051-24-3 Decachlorobiphenyl 109% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65308.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 28 ug/kg11104-28-2 Aroclor 1221 ND 28 ug/kg11141-16-5 Aroclor 1232 ND 28 ug/kg53469-21-9 Aroclor 1242 ND 28 ug/kg12672-29-6 Aroclor 1248 ND 28 ug/kg11097-69-1 Aroclor 1254 ND 28 ug/kg11096-82-5 Aroclor 1260 ND 28 ug/kg37324-23-5 Aroclor 1262 ND 28 ug/kg11100-14-4 Aroclor 1268 ND 28 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 87% 25-145%877-09-8 Tetrachloro-m-xylene 72% 25-145%2051-24-3 Decachlorobiphenyl 106% 25-179%2051-24-3 Decachlorobiphenyl 107% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4904.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.6 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 150 19 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 109% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.1 2.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 73.7 23 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.58 0.58 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 22.9 1.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 97.8 2.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.18 0.035 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.3 2.3 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.58 0.58 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 85.3 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon a 31900 1200 mg/kg 1 04/27/17 20:26 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-15 0-1 Lab Sample ID: MC50199-25A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 85.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.041 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

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Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168154.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 6.8 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 7.6 ug/kg107-13-1 Acrylonitrile ND 7.6 ug/kg71-43-2 Benzene ND 0.38 ug/kg108-86-1 Bromobenzene ND 3.8 ug/kg75-27-4 Bromodichloromethane ND 1.5 ug/kg75-25-2 Bromoform ND 3.8 ug/kg74-83-9 Bromomethane ND 3.8 ug/kg78-93-3 2-Butanone (MEK) b ND 7.6 ug/kg104-51-8 n-Butylbenzene ND 1.5 ug/kg135-98-8 sec-Butylbenzene ND 1.5 ug/kg98-06-6 tert-Butylbenzene ND 1.5 ug/kg75-15-0 Carbon disulfide ND 1.5 ug/kg56-23-5 Carbon tetrachloride ND 1.5 ug/kg108-90-7 Chlorobenzene ND 1.5 ug/kg75-00-3 Chloroethane ND 3.8 ug/kg67-66-3 Chloroform ND 1.5 ug/kg74-87-3 Chloromethane ND 3.8 ug/kg95-49-8 o-Chlorotoluene ND 1.5 ug/kg106-43-4 p-Chlorotoluene ND 1.5 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.5 ug/kg124-48-1 Dibromochloromethane ND 1.5 ug/kg106-93-4 1,2-Dibromoethane ND 0.76 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.76 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.76 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.76 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 3.8 ug/kg75-71-8 Dichlorodifluoromethane ND 3.8 ug/kg75-34-3 1,1-Dichloroethane ND 0.76 ug/kg107-06-2 1,2-Dichloroethane ND 0.76 ug/kg75-35-4 1,1-Dichloroethene ND 0.76 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.76 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.76 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.5 ug/kg142-28-9 1,3-Dichloropropane ND 1.5 ug/kg594-20-7 2,2-Dichloropropane ND 1.5 ug/kg563-58-6 1,1-Dichloropropene ND 1.5 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.5 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.5 ug/kg100-41-4 Ethylbenzene ND 0.76 ug/kg76-13-1 Freon 113 ND 3.8 ug/kg87-68-3 Hexachlorobutadiene ND 3.8 ug/kg591-78-6 2-Hexanone ND 3.8 ug/kg98-82-8 Isopropylbenzene ND 1.5 ug/kg99-87-6 p-Isopropyltoluene ND 1.5 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.76 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 3.8 ug/kg74-95-3 Methylene bromide ND 3.8 ug/kg75-09-2 Methylene chloride ND 3.8 ug/kg91-20-3 Naphthalene ND 3.8 ug/kg103-65-1 n-Propylbenzene ND 1.5 ug/kg100-42-5 Styrene ND 1.5 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.5 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.5 ug/kg127-18-4 Tetrachloroethene ND 1.5 ug/kg109-99-9 Tetrahydrofuran ND 7.6 ug/kg108-88-3 Toluene ND 0.76 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 3.8 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 3.8 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.5 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.5 ug/kg79-01-6 Trichloroethene ND 0.76 ug/kg75-69-4 Trichlorofluoromethane ND 3.8 ug/kg96-18-4 1,2,3-Trichloropropane ND 3.8 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.5 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.5 ug/kg75-01-4 Vinyl chloride ND 1.5 ug/kg

m,p-Xylene ND 0.76 ug/kg95-47-6 o-Xylene ND 0.76 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 107% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 94% 68-124%2037-26-5 Toluene-D8 96% 77-125%460-00-4 4-Bromofluorobenzene 93% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133621.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 30.3 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene 57.3 34 ug/kg208-96-8 Acenaphthylene 57.6 34 ug/kg120-12-7 Anthracene 164 34 ug/kg56-55-3 Benzo(a)anthracene 630 34 ug/kg50-32-8 Benzo(a)pyrene 645 34 ug/kg205-99-2 Benzo(b)fluoranthene 848 34 ug/kg191-24-2 Benzo(g,h,i)perylene 454 34 ug/kg207-08-9 Benzo(k)fluoranthene 342 34 ug/kg218-01-9 Chrysene 691 34 ug/kg53-70-3 Dibenzo(a,h)anthracene 114 34 ug/kg206-44-0 Fluoranthene 1240 34 ug/kg86-73-7 Fluorene 55.6 34 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 507 34 ug/kg91-57-6 2-Methylnaphthalene ND 68 ug/kg91-20-3 Naphthalene 47.2 34 ug/kg85-01-8 Phenanthrene 668 34 ug/kg129-00-0 Pyrene 1290 34 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 77% 26-134%321-60-8 2-Fluorobiphenyl 78% 39-124%1718-51-0 Terphenyl-d14 84% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54829.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 50 ug/kg309-00-2 Aldrin ND 5.0 ug/kg319-84-6 alpha-BHC ND 5.0 ug/kg319-85-7 beta-BHC ND 5.0 ug/kg319-86-8 delta-BHC ND 5.0 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.0 ug/kg12789-03-6 Chlordane ND 50 ug/kg60-57-1 Dieldrin ND 5.0 ug/kg72-54-8 4,4'-DDD ND 5.0 ug/kg72-55-9 4,4'-DDE ND 5.0 ug/kg50-29-3 4,4'-DDT a 8.8 5.0 ug/kg72-20-8 Endrin ND 5.0 ug/kg1031-07-8 Endosulfan sulfate ND 5.0 ug/kg7421-93-4 Endrin aldehyde ND 5.0 ug/kg959-98-8 Endosulfan-I ND 5.0 ug/kg33213-65-9 Endosulfan-II ND 5.0 ug/kg76-44-8 Heptachlor ND 5.0 ug/kg1024-57-3 Heptachlor epoxide ND 5.0 ug/kg72-43-5 Methoxychlor ND 5.0 ug/kg53494-70-5 Endrin ketone ND 5.0 ug/kg8001-35-2 Toxaphene ND 50 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 74% 10-143%877-09-8 Tetrachloro-m-xylene 68% 10-143%2051-24-3 Decachlorobiphenyl 103% 10-172%2051-24-3 Decachlorobiphenyl 138% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65309.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.8 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 25 ug/kg11104-28-2 Aroclor 1221 ND 25 ug/kg11141-16-5 Aroclor 1232 ND 25 ug/kg53469-21-9 Aroclor 1242 ND 25 ug/kg12672-29-6 Aroclor 1248 ND 25 ug/kg11097-69-1 Aroclor 1254 69.2 25 ug/kg11096-82-5 Aroclor 1260 a 62.4 25 ug/kg37324-23-5 Aroclor 1262 ND 25 ug/kg11100-14-4 Aroclor 1268 ND 25 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 94% 25-145%877-09-8 Tetrachloro-m-xylene 81% 25-145%2051-24-3 Decachlorobiphenyl 116% 25-179%2051-24-3 Decachlorobiphenyl 103% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4907.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.9 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 237 16 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 94% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 4.6 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 4

Barium a 122 22 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 4

Cadmium b <2.7 2.7 mg/kg 5 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Chromium b 57.2 5.4 mg/kg 5 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Lead b 165 11 mg/kg 5 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Mercury a 0.059 0.033 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 5

Selenium b <11 11 mg/kg 5 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Silver b <2.7 2.7 mg/kg 5 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Instrument QC Batch: N:MA41874(4) Prep QC Batch: N:MP168(5) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Elevated detection limit due to dilution required for high interfering element. Analysis performed at SGS

Accutest, Dayton, NJ.

RL = Reporting Limit

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Client Sample ID: SB-19 0-1 Lab Sample ID: MC50199-26A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 97.0 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a 0.013 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.19 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168155.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 6.7 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 12.2 8.1 ug/kg107-13-1 Acrylonitrile ND 8.1 ug/kg71-43-2 Benzene ND 0.40 ug/kg108-86-1 Bromobenzene ND 4.0 ug/kg75-27-4 Bromodichloromethane ND 1.6 ug/kg75-25-2 Bromoform ND 4.0 ug/kg74-83-9 Bromomethane ND 4.0 ug/kg78-93-3 2-Butanone (MEK) b ND 8.1 ug/kg104-51-8 n-Butylbenzene ND 1.6 ug/kg135-98-8 sec-Butylbenzene ND 1.6 ug/kg98-06-6 tert-Butylbenzene ND 1.6 ug/kg75-15-0 Carbon disulfide ND 1.6 ug/kg56-23-5 Carbon tetrachloride ND 1.6 ug/kg108-90-7 Chlorobenzene ND 1.6 ug/kg75-00-3 Chloroethane ND 4.0 ug/kg67-66-3 Chloroform ND 1.6 ug/kg74-87-3 Chloromethane ND 4.0 ug/kg95-49-8 o-Chlorotoluene ND 1.6 ug/kg106-43-4 p-Chlorotoluene ND 1.6 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.6 ug/kg124-48-1 Dibromochloromethane ND 1.6 ug/kg106-93-4 1,2-Dibromoethane ND 0.81 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.81 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.81 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.81 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 4.0 ug/kg75-71-8 Dichlorodifluoromethane ND 4.0 ug/kg75-34-3 1,1-Dichloroethane ND 0.81 ug/kg107-06-2 1,2-Dichloroethane ND 0.81 ug/kg75-35-4 1,1-Dichloroethene ND 0.81 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.81 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.81 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.6 ug/kg142-28-9 1,3-Dichloropropane ND 1.6 ug/kg594-20-7 2,2-Dichloropropane ND 1.6 ug/kg563-58-6 1,1-Dichloropropene ND 1.6 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.6 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.6 ug/kg100-41-4 Ethylbenzene ND 0.81 ug/kg76-13-1 Freon 113 ND 4.0 ug/kg87-68-3 Hexachlorobutadiene ND 4.0 ug/kg591-78-6 2-Hexanone ND 4.0 ug/kg98-82-8 Isopropylbenzene ND 1.6 ug/kg99-87-6 p-Isopropyltoluene ND 1.6 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.81 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 4.0 ug/kg74-95-3 Methylene bromide ND 4.0 ug/kg75-09-2 Methylene chloride ND 4.0 ug/kg91-20-3 Naphthalene ND 4.0 ug/kg103-65-1 n-Propylbenzene ND 1.6 ug/kg100-42-5 Styrene ND 1.6 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.6 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.6 ug/kg127-18-4 Tetrachloroethene ND 1.6 ug/kg109-99-9 Tetrahydrofuran ND 8.1 ug/kg108-88-3 Toluene ND 0.81 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 4.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 4.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.6 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.6 ug/kg79-01-6 Trichloroethene ND 0.81 ug/kg75-69-4 Trichlorofluoromethane ND 4.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 4.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.6 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.6 ug/kg75-01-4 Vinyl chloride ND 1.6 ug/kg

m,p-Xylene ND 0.81 ug/kg95-47-6 o-Xylene ND 0.81 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 108% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 95% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 93% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133622.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.1 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 35 ug/kg208-96-8 Acenaphthylene 69.2 35 ug/kg120-12-7 Anthracene 98.5 35 ug/kg56-55-3 Benzo(a)anthracene 329 35 ug/kg50-32-8 Benzo(a)pyrene 352 35 ug/kg205-99-2 Benzo(b)fluoranthene 475 35 ug/kg191-24-2 Benzo(g,h,i)perylene 270 35 ug/kg207-08-9 Benzo(k)fluoranthene 190 35 ug/kg218-01-9 Chrysene 385 35 ug/kg53-70-3 Dibenzo(a,h)anthracene 61.7 35 ug/kg206-44-0 Fluoranthene 632 35 ug/kg86-73-7 Fluorene ND 35 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 306 35 ug/kg91-57-6 2-Methylnaphthalene ND 69 ug/kg91-20-3 Naphthalene ND 35 ug/kg85-01-8 Phenanthrene 299 35 ug/kg129-00-0 Pyrene 687 35 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 71% 26-134%321-60-8 2-Fluorobiphenyl 74% 39-124%1718-51-0 Terphenyl-d14 80% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54830.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.1 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 54 ug/kg309-00-2 Aldrin ND 5.4 ug/kg319-84-6 alpha-BHC ND 5.4 ug/kg319-85-7 beta-BHC ND 5.4 ug/kg319-86-8 delta-BHC ND 5.4 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.4 ug/kg12789-03-6 Chlordane ND 54 ug/kg60-57-1 Dieldrin ND 5.4 ug/kg72-54-8 4,4'-DDD ND 5.4 ug/kg72-55-9 4,4'-DDE ND 5.4 ug/kg50-29-3 4,4'-DDT a 5.7 5.4 ug/kg72-20-8 Endrin ND 5.4 ug/kg1031-07-8 Endosulfan sulfate ND 5.4 ug/kg7421-93-4 Endrin aldehyde ND 5.4 ug/kg959-98-8 Endosulfan-I ND 5.4 ug/kg33213-65-9 Endosulfan-II ND 5.4 ug/kg76-44-8 Heptachlor ND 5.4 ug/kg1024-57-3 Heptachlor epoxide ND 5.4 ug/kg72-43-5 Methoxychlor ND 5.4 ug/kg53494-70-5 Endrin ketone ND 5.4 ug/kg8001-35-2 Toxaphene ND 54 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 74% 10-143%877-09-8 Tetrachloro-m-xylene 71% 10-143%2051-24-3 Decachlorobiphenyl 83% 10-172%2051-24-3 Decachlorobiphenyl 109% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65310.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.1 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 27 ug/kg11104-28-2 Aroclor 1221 ND 27 ug/kg11141-16-5 Aroclor 1232 ND 27 ug/kg53469-21-9 Aroclor 1242 ND 27 ug/kg12672-29-6 Aroclor 1248 ND 27 ug/kg11097-69-1 Aroclor 1254 a 29.8 27 ug/kg11096-82-5 Aroclor 1260 43.5 27 ug/kg37324-23-5 Aroclor 1262 ND 27 ug/kg11100-14-4 Aroclor 1268 ND 27 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 85% 25-145%877-09-8 Tetrachloro-m-xylene 76% 25-145%2051-24-3 Decachlorobiphenyl 106% 25-179%2051-24-3 Decachlorobiphenyl 98% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4908.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.1 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 163 18 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 99% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 6.5 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 131 22 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a 0.71 0.55 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 34.8 1.1 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 252 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.49 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.2 2.2 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.55 0.55 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-20 0-1 Lab Sample ID: MC50199-27A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 92.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a 0.0069 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.30 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168156.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 7.9 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 7.3 ug/kg107-13-1 Acrylonitrile ND 7.3 ug/kg71-43-2 Benzene ND 0.37 ug/kg108-86-1 Bromobenzene ND 3.7 ug/kg75-27-4 Bromodichloromethane ND 1.5 ug/kg75-25-2 Bromoform ND 3.7 ug/kg74-83-9 Bromomethane ND 3.7 ug/kg78-93-3 2-Butanone (MEK) b ND 7.3 ug/kg104-51-8 n-Butylbenzene ND 1.5 ug/kg135-98-8 sec-Butylbenzene ND 1.5 ug/kg98-06-6 tert-Butylbenzene ND 1.5 ug/kg75-15-0 Carbon disulfide ND 1.5 ug/kg56-23-5 Carbon tetrachloride ND 1.5 ug/kg108-90-7 Chlorobenzene ND 1.5 ug/kg75-00-3 Chloroethane ND 3.7 ug/kg67-66-3 Chloroform ND 1.5 ug/kg74-87-3 Chloromethane ND 3.7 ug/kg95-49-8 o-Chlorotoluene ND 1.5 ug/kg106-43-4 p-Chlorotoluene ND 1.5 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.5 ug/kg124-48-1 Dibromochloromethane ND 1.5 ug/kg106-93-4 1,2-Dibromoethane ND 0.73 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.73 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.73 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.73 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 3.7 ug/kg75-71-8 Dichlorodifluoromethane ND 3.7 ug/kg75-34-3 1,1-Dichloroethane ND 0.73 ug/kg107-06-2 1,2-Dichloroethane ND 0.73 ug/kg75-35-4 1,1-Dichloroethene ND 0.73 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.73 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.73 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.5 ug/kg142-28-9 1,3-Dichloropropane ND 1.5 ug/kg594-20-7 2,2-Dichloropropane ND 1.5 ug/kg563-58-6 1,1-Dichloropropene ND 1.5 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.5 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.5 ug/kg100-41-4 Ethylbenzene ND 0.73 ug/kg76-13-1 Freon 113 ND 3.7 ug/kg87-68-3 Hexachlorobutadiene ND 3.7 ug/kg591-78-6 2-Hexanone ND 3.7 ug/kg98-82-8 Isopropylbenzene ND 1.5 ug/kg99-87-6 p-Isopropyltoluene ND 1.5 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.73 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 3.7 ug/kg74-95-3 Methylene bromide ND 3.7 ug/kg75-09-2 Methylene chloride ND 3.7 ug/kg91-20-3 Naphthalene ND 3.7 ug/kg103-65-1 n-Propylbenzene ND 1.5 ug/kg100-42-5 Styrene ND 1.5 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.5 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.5 ug/kg127-18-4 Tetrachloroethene ND 1.5 ug/kg109-99-9 Tetrahydrofuran ND 7.3 ug/kg108-88-3 Toluene ND 0.73 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 3.7 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 3.7 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.5 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.5 ug/kg79-01-6 Trichloroethene ND 0.73 ug/kg75-69-4 Trichlorofluoromethane ND 3.7 ug/kg96-18-4 1,2,3-Trichloropropane ND 3.7 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.5 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.5 ug/kg75-01-4 Vinyl chloride ND 1.5 ug/kg

m,p-Xylene ND 0.73 ug/kg95-47-6 o-Xylene ND 0.73 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 106% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 93% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133623.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.1 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 37 ug/kg208-96-8 Acenaphthylene 250 37 ug/kg120-12-7 Anthracene 262 37 ug/kg56-55-3 Benzo(a)anthracene 989 37 ug/kg50-32-8 Benzo(a)pyrene 1160 37 ug/kg205-99-2 Benzo(b)fluoranthene 1490 37 ug/kg191-24-2 Benzo(g,h,i)perylene 782 37 ug/kg207-08-9 Benzo(k)fluoranthene 534 37 ug/kg218-01-9 Chrysene 1130 37 ug/kg53-70-3 Dibenzo(a,h)anthracene 206 37 ug/kg206-44-0 Fluoranthene 1540 37 ug/kg86-73-7 Fluorene 43.0 37 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 875 37 ug/kg91-57-6 2-Methylnaphthalene ND 75 ug/kg91-20-3 Naphthalene 38.1 37 ug/kg85-01-8 Phenanthrene 562 37 ug/kg129-00-0 Pyrene 1890 37 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 77% 26-134%321-60-8 2-Fluorobiphenyl 77% 39-124%1718-51-0 Terphenyl-d14 82% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54831.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 22.1 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 53 ug/kg309-00-2 Aldrin ND 5.3 ug/kg319-84-6 alpha-BHC ND 5.3 ug/kg319-85-7 beta-BHC ND 5.3 ug/kg319-86-8 delta-BHC ND 5.3 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.3 ug/kg12789-03-6 Chlordane ND 53 ug/kg60-57-1 Dieldrin ND 5.3 ug/kg72-54-8 4,4'-DDD ND 5.3 ug/kg72-55-9 4,4'-DDE ND 5.3 ug/kg50-29-3 4,4'-DDT ND 5.3 ug/kg72-20-8 Endrin ND 5.3 ug/kg1031-07-8 Endosulfan sulfate ND 5.3 ug/kg7421-93-4 Endrin aldehyde ND 5.3 ug/kg959-98-8 Endosulfan-I ND 5.3 ug/kg33213-65-9 Endosulfan-II ND 5.3 ug/kg76-44-8 Heptachlor ND 5.3 ug/kg1024-57-3 Heptachlor epoxide ND 5.3 ug/kg72-43-5 Methoxychlor ND 5.3 ug/kg53494-70-5 Endrin ketone ND 5.3 ug/kg8001-35-2 Toxaphene ND 53 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 73% 10-143%877-09-8 Tetrachloro-m-xylene 71% 10-143%2051-24-3 Decachlorobiphenyl 74% 10-172%2051-24-3 Decachlorobiphenyl 104% 10-172%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65311.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 22.1 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 26 ug/kg11104-28-2 Aroclor 1221 ND 26 ug/kg11141-16-5 Aroclor 1232 ND 26 ug/kg53469-21-9 Aroclor 1242 ND 26 ug/kg12672-29-6 Aroclor 1248 ND 26 ug/kg11097-69-1 Aroclor 1254 ND 26 ug/kg11096-82-5 Aroclor 1260 ND 26 ug/kg37324-23-5 Aroclor 1262 ND 26 ug/kg11100-14-4 Aroclor 1268 ND 26 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 81% 25-145%877-09-8 Tetrachloro-m-xylene 69% 25-145%2051-24-3 Decachlorobiphenyl 117% 25-179%2051-24-3 Decachlorobiphenyl 84% 25-179%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4906.D 5 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 17.0 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 331 85 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 104% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 1 of 1

Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 5.2 4.6 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Barium b 257 23 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 4

Cadmium a <1.1 1.1 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Chromium a 81.1 2.3 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Lead a 134 4.6 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Mercury b 0.058 0.035 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 5

Selenium a <4.6 4.6 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

Silver a <1.1 1.1 mg/kg 2 04/23/17 04/25/17 ANJ SW846 6010C 3 SW846 3050B 4

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Instrument QC Batch: N:MA41874(4) Prep QC Batch: N:MP168(5) Prep QC Batch: N:MP182

(a) Elevated detection limit due to dilution required for high interfering element. Analysis performed at SGSAccutest, Dayton, NJ.

(b) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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Report of Analysis Page 1 of 1

Client Sample ID: SB-21 0-1 Lab Sample ID: MC50199-28A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 86.3 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.13 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168192.D 1 04/26/17 ANJ n/a n/a N:VV7077Run #2

Initial WeightRun #1 7.7 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b ND 8.4 ug/kg107-13-1 Acrylonitrile ND 8.4 ug/kg71-43-2 Benzene ND 0.42 ug/kg108-86-1 Bromobenzene ND 4.2 ug/kg75-27-4 Bromodichloromethane ND 1.7 ug/kg75-25-2 Bromoform ND 4.2 ug/kg74-83-9 Bromomethane c ND 4.2 ug/kg78-93-3 2-Butanone (MEK) b ND 8.4 ug/kg104-51-8 n-Butylbenzene ND 1.7 ug/kg135-98-8 sec-Butylbenzene ND 1.7 ug/kg98-06-6 tert-Butylbenzene ND 1.7 ug/kg75-15-0 Carbon disulfide ND 1.7 ug/kg56-23-5 Carbon tetrachloride ND 1.7 ug/kg108-90-7 Chlorobenzene ND 1.7 ug/kg75-00-3 Chloroethane c ND 4.2 ug/kg67-66-3 Chloroform ND 1.7 ug/kg74-87-3 Chloromethane c ND 4.2 ug/kg95-49-8 o-Chlorotoluene ND 1.7 ug/kg106-43-4 p-Chlorotoluene ND 1.7 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 1.7 ug/kg124-48-1 Dibromochloromethane ND 1.7 ug/kg106-93-4 1,2-Dibromoethane ND 0.84 ug/kg95-50-1 1,2-Dichlorobenzene ND 0.84 ug/kg541-73-1 1,3-Dichlorobenzene ND 0.84 ug/kg106-46-7 1,4-Dichlorobenzene ND 0.84 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene d ND 4.2 ug/kg75-71-8 Dichlorodifluoromethane ND 4.2 ug/kg75-34-3 1,1-Dichloroethane ND 0.84 ug/kg107-06-2 1,2-Dichloroethane ND 0.84 ug/kg75-35-4 1,1-Dichloroethene ND 0.84 ug/kg156-59-2 cis-1,2-Dichloroethene ND 0.84 ug/kg156-60-5 trans-1,2-Dichloroethene ND 0.84 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 2 of 3

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 1.7 ug/kg142-28-9 1,3-Dichloropropane ND 1.7 ug/kg594-20-7 2,2-Dichloropropane ND 1.7 ug/kg563-58-6 1,1-Dichloropropene ND 1.7 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 1.7 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 1.7 ug/kg100-41-4 Ethylbenzene ND 0.84 ug/kg76-13-1 Freon 113 c ND 4.2 ug/kg87-68-3 Hexachlorobutadiene c ND 4.2 ug/kg591-78-6 2-Hexanone d ND 4.2 ug/kg98-82-8 Isopropylbenzene ND 1.7 ug/kg99-87-6 p-Isopropyltoluene ND 1.7 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 0.84 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 4.2 ug/kg74-95-3 Methylene bromide ND 4.2 ug/kg75-09-2 Methylene chloride ND 4.2 ug/kg91-20-3 Naphthalene ND 4.2 ug/kg103-65-1 n-Propylbenzene ND 1.7 ug/kg100-42-5 Styrene ND 1.7 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 1.7 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 1.7 ug/kg127-18-4 Tetrachloroethene ND 1.7 ug/kg109-99-9 Tetrahydrofuran ND 8.4 ug/kg108-88-3 Toluene ND 0.84 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 4.2 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 4.2 ug/kg71-55-6 1,1,1-Trichloroethane ND 1.7 ug/kg79-00-5 1,1,2-Trichloroethane ND 1.7 ug/kg79-01-6 Trichloroethene ND 0.84 ug/kg75-69-4 Trichlorofluoromethane ND 4.2 ug/kg96-18-4 1,2,3-Trichloropropane ND 4.2 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 1.7 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 1.7 ug/kg75-01-4 Vinyl chloride ND 1.7 ug/kg

m,p-Xylene ND 0.84 ug/kg95-47-6 o-Xylene ND 0.84 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 105% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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Report of Analysis Page 3 of 3

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 95% 77-125%460-00-4 4-Bromofluorobenzene 91% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.(c) This compound in the associated CCV is outside the method criteria of 20%, biased high.(d) This compound in the associated CCV is outside the method criteria of 20%, biased low.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8270D SW846 3546 Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a M133624.D 1 04/27/17 ANJ 04/26/17 N:OP2256 N:EM5728Run #2

Initial Weight Final VolumeRun #1 31.9 g 1.0 mlRun #2

BN PAH List

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 40 ug/kg208-96-8 Acenaphthylene 246 40 ug/kg120-12-7 Anthracene 231 40 ug/kg56-55-3 Benzo(a)anthracene 591 40 ug/kg50-32-8 Benzo(a)pyrene 751 40 ug/kg205-99-2 Benzo(b)fluoranthene 1090 40 ug/kg191-24-2 Benzo(g,h,i)perylene 588 40 ug/kg207-08-9 Benzo(k)fluoranthene 434 40 ug/kg218-01-9 Chrysene 840 40 ug/kg53-70-3 Dibenzo(a,h)anthracene 139 40 ug/kg206-44-0 Fluoranthene 1180 40 ug/kg86-73-7 Fluorene 44.1 40 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene 645 40 ug/kg91-57-6 2-Methylnaphthalene ND 81 ug/kg91-20-3 Naphthalene 53.8 40 ug/kg85-01-8 Phenanthrene 494 40 ug/kg129-00-0 Pyrene 1370 40 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

4165-60-0 Nitrobenzene-d5 66% 26-134%321-60-8 2-Fluorobiphenyl 66% 39-124%1718-51-0 Terphenyl-d14 70% 36-134%

(a) Analysis performed at SGS Accutest, Dayton, NJ.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8081B SW846 3546 Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BE54832.D 1 04/27/17 AP 04/24/17 OP49645 GBE2747Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

Pesticide RCP List

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 63 ug/kg309-00-2 Aldrin ND 6.3 ug/kg319-84-6 alpha-BHC ND 6.3 ug/kg319-85-7 beta-BHC ND 6.3 ug/kg319-86-8 delta-BHC ND 6.3 ug/kg58-89-9 gamma-BHC (Lindane) ND 6.3 ug/kg12789-03-6 Chlordane ND 63 ug/kg60-57-1 Dieldrin ND 6.3 ug/kg72-54-8 4,4'-DDD ND 6.3 ug/kg72-55-9 4,4'-DDE ND 6.3 ug/kg50-29-3 4,4'-DDT a 11.9 6.3 ug/kg72-20-8 Endrin ND 6.3 ug/kg1031-07-8 Endosulfan sulfate ND 6.3 ug/kg7421-93-4 Endrin aldehyde ND 6.3 ug/kg959-98-8 Endosulfan-I ND 6.3 ug/kg33213-65-9 Endosulfan-II ND 6.3 ug/kg76-44-8 Heptachlor ND 6.3 ug/kg1024-57-3 Heptachlor epoxide ND 6.3 ug/kg72-43-5 Methoxychlor ND 6.3 ug/kg53494-70-5 Endrin ketone ND 6.3 ug/kg8001-35-2 Toxaphene ND 63 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 68% 10-143%877-09-8 Tetrachloro-m-xylene 62% 10-143%2051-24-3 Decachlorobiphenyl 99% 10-172%2051-24-3 Decachlorobiphenyl 130% 10-172%

(a) Confirmation value >40% RPD.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: SW846 8082A SW846 3546 Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 BK65312.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085Run #2

Initial Weight Final VolumeRun #1 20.4 g 10.0 mlRun #2

CT Polychlorinated Biphenyls RCP List

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 32 ug/kg11104-28-2 Aroclor 1221 ND 32 ug/kg11141-16-5 Aroclor 1232 ND 32 ug/kg53469-21-9 Aroclor 1242 ND 32 ug/kg12672-29-6 Aroclor 1248 ND 32 ug/kg11097-69-1 Aroclor 1254 a 33.5 32 ug/kg11096-82-5 Aroclor 1260 74.3 32 ug/kg37324-23-5 Aroclor 1262 ND 32 ug/kg11100-14-4 Aroclor 1268 ND 32 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

877-09-8 Tetrachloro-m-xylene 74% 25-145%877-09-8 Tetrachloro-m-xylene 62% 25-145%2051-24-3 Decachlorobiphenyl 126% 25-179%2051-24-3 Decachlorobiphenyl 67% 25-179%

(a) Estimated value due to the presence of other Aroclor pattern.Confirmation value >40% RPD

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17 Method: CT-ETPH 7/06 SW846 3546 Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 CR4909.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295Run #2

Initial Weight Final VolumeRun #1 15.6 g 1.0 mlRun #2

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) 323 21 mg/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

84-15-1 o-Terphenyl 98% 50-137%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis

Analyte Result RL Units DF Prep Analyzed By Method Prep Method

Arsenic a 4.9 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Barium a 48.2 27 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Cadmium a <0.68 0.68 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Chromium a 23.6 1.4 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Lead a 216 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Mercury a 0.78 0.034 mg/kg 1 04/24/17 04/24/17 ANJ SW846 7471B 1 SW846 7471B 4

Selenium a <2.7 2.7 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

Silver a <0.68 0.68 mg/kg 1 04/23/17 04/24/17 ANJ SW846 6010C 2 SW846 3050B 3

(1) Instrument QC Batch: N:MA41860(2) Instrument QC Batch: N:MA41865(3) Prep QC Batch: N:MP168(4) Prep QC Batch: N:MP182

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29 Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

General Chemistry

Analyte Result RL Units DF Analyzed By Method

Solids, Percent a 77.6 % 1 04/22/17 11:00 ANJ SM2540 G-97

Total Organic Carbon b 30000 1300 mg/kg 1 04/27/17 21:03 ANJ SW846 9060A

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Multiple injections indicate possible sample non-homogeneity. Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting Limit

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SGS Accutest

Report of Analysis Page 1 of 1

Client Sample ID: DUP Lab Sample ID: MC50199-29A Date Sampled: 04/19/17 Matrix: SO - Soil Date Received: 04/19/17

Percent Solids: 77.6 Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Metals Analysis, TCLP Leachate SW846 1311

Analyte Result HW# MCL RL Units DF Prep Analyzed By Method Prep Method

Arsenic a <0.050 D004 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Barium a <1.0 D005 100 1.0 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Cadmium a <0.0050 D006 1.0 0.0050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Chromium a <0.050 D007 5.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Lead a 0.042 D008 5.0 0.015 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Mercury a <0.00020 D009 0.20 0.00020mg/l 1 04/26/17 04/26/17 ANJ SW846 7470A 1 SW846 7470A 3

Selenium a <0.050 D010 1.0 0.050 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

Silver a <0.025 D011 5.0 0.025 mg/l 5 04/26/17 04/27/17 ANJ SW846 6010C 2 SW846 3010A 4

(1) Instrument QC Batch: N:MA41881(2) Instrument QC Batch: N:MA41894(3) Prep QC Batch: N:MP247(4) Prep QC Batch: N:MP255

(a) Analysis performed at SGS Accutest, Dayton, NJ.

RL = Reporting LimitMCL = Maximum Contamination Level (40 CFR 261 7/1/11)

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SGS Accutest

Report of Analysis Page 1 of 3

Client Sample ID: TRIP BLANK Lab Sample ID: MC50199-30 Date Sampled: 04/19/17 Matrix: SO - Trip Blank Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: n/a Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

File ID DF Analyzed By Prep Date Prep Batch Analytical BatchRun #1 a V168152.D 1 04/25/17 ANJ n/a n/a N:VV7075Run #2

Initial WeightRun #1 5.0 gRun #2

VOA RCP List

CAS No. Compound Result RL Units Q

67-64-1 Acetone b 17.5 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.50 ug/kg108-86-1 Bromobenzene ND 5.0 ug/kg75-27-4 Bromodichloromethane ND 2.0 ug/kg75-25-2 Bromoform ND 5.0 ug/kg74-83-9 Bromomethane ND 5.0 ug/kg78-93-3 2-Butanone (MEK) b ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.0 ug/kg135-98-8 sec-Butylbenzene ND 2.0 ug/kg98-06-6 tert-Butylbenzene ND 2.0 ug/kg75-15-0 Carbon disulfide ND 2.0 ug/kg56-23-5 Carbon tetrachloride ND 2.0 ug/kg108-90-7 Chlorobenzene ND 2.0 ug/kg75-00-3 Chloroethane ND 5.0 ug/kg67-66-3 Chloroform ND 2.0 ug/kg74-87-3 Chloromethane ND 5.0 ug/kg95-49-8 o-Chlorotoluene ND 2.0 ug/kg106-43-4 p-Chlorotoluene ND 2.0 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 ug/kg124-48-1 Dibromochloromethane ND 2.0 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.0 ug/kg75-71-8 Dichlorodifluoromethane ND 5.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 2 of 3

Client Sample ID: TRIP BLANK Lab Sample ID: MC50199-30 Date Sampled: 04/19/17 Matrix: SO - Trip Blank Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: n/a Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Compound Result RL Units Q

78-87-5 1,2-Dichloropropane ND 2.0 ug/kg142-28-9 1,3-Dichloropropane ND 2.0 ug/kg594-20-7 2,2-Dichloropropane ND 2.0 ug/kg563-58-6 1,1-Dichloropropene ND 2.0 ug/kg10061-01-5 cis-1,3-Dichloropropene ND 2.0 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.0 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.0 ug/kg87-68-3 Hexachlorobutadiene ND 5.0 ug/kg591-78-6 2-Hexanone ND 5.0 ug/kg98-82-8 Isopropylbenzene ND 2.0 ug/kg99-87-6 p-Isopropyltoluene ND 2.0 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.0 ug/kg74-95-3 Methylene bromide ND 5.0 ug/kg75-09-2 Methylene chloride ND 5.0 ug/kg91-20-3 Naphthalene ND 5.0 ug/kg103-65-1 n-Propylbenzene ND 2.0 ug/kg100-42-5 Styrene ND 2.0 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.0 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 ug/kg127-18-4 Tetrachloroethene ND 2.0 ug/kg109-99-9 Tetrahydrofuran ND 10 ug/kg108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.0 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.0 ug/kg79-01-6 Trichloroethene ND 1.0 ug/kg75-69-4 Trichlorofluoromethane ND 5.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.0 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.0 ug/kg75-01-4 Vinyl chloride ND 2.0 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

1868-53-7 Dibromofluoromethane 103% 70-122%

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Report of Analysis Page 3 of 3

Client Sample ID: TRIP BLANK Lab Sample ID: MC50199-30 Date Sampled: 04/19/17 Matrix: SO - Trip Blank Soil Date Received: 04/19/17 Method: SW846 8260C Percent Solids: n/a Project: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

VOA RCP List

CAS No. Surrogate Recoveries Run# 1 Run# 2 Limits

17060-07-0 1,2-Dichloroethane-D4 88% 68-124%2037-26-5 Toluene-D8 96% 77-125%460-00-4 4-Bromofluorobenzene 95% 72-130%

(a) Analysis performed at SGS Accutest, Dayton, NJ.(b) Response factor for this compound is below 0.05 in the inital and continuing calibrations.

ND = Not detected J = Indicates an estimated valueRL = Reporting Limit B = Indicates analyte found in associated method blankE = Indicates value exceeds calibration range N = Indicates presumptive evidence of a compound

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SGS Accutest

Misc. Forms

Custody Documents and Other Forms

Includes the following where applicable:

• Chain of Custody• RCP Form• RCP Form (SGS Accutest New Jersey)• Sample Tracking Chronicle• QC Evaluation: CT RCP Limits

New EnglandSection 5

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MC50199: Chain of CustodyPage 1 of 4

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SGS Accutest Sample Receipt Summary

Job Number: MC50199 Client: BL COMPANIES

Date / Time Received: 4/19/2017 6:00:00 PM Delivery Method: SGS Courier

Project: YANKEE DOODLE BRIDGE

4. No. Coolers: 2

Airbill #'s:

Cooler Security

1. Custody Seals Present:

Y or N

2. Custody Seals Intact:

3. COC Present:

4. Smpl Dates/Time OK

2. Thermometer ID:

Cooler Temperature Y or N

1. Temp criteria achieved:

3. Cooler media:

IRGUN1;

Ice (Bag)

Quality Control Preservation Y or N N/A

1. Trip Blank present / cooler:

2. Trip Blank listed on COC:

3. Samples preserved properly:

4. VOCs headspace free:

Sample Integrity - Documentation Y or N

1. Sample labels present on bottles:

2. Container labeling complete:

3. Sample container label / COC agree:

Sample Integrity - Condition Y or N

1. Sample recvd within HT:

3. Condition of sample:

2. All containers accounted for:

Sample Integrity - Instructions

1. Analysis requested is clear:

2. Bottles received for unspecified tests

3. Sufficient volume recvd for analysis:

4. Compositing instructions clear:

5. Filtering instructions clear:

Intact

Y or N

Comments

Y or N N/A

Cooler Temps (Initial/Adjusted): #1: (3.7/3.2); #2: (3.9/3.4);

MC50199: Chain of CustodyPage 4 of 4

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Laboratory Name: Client:

Project Location: Project Number:

Sampling Date(s):

Laboratory Sample ID(s):

Methods:

1 Yes No

1A Yes No

1B Yes No

NA

2 Yes No

3 Yes No

4 Yes No

5 Yes No

Yes No

6 Yes No

7 Yes No

Authorized

Signature: Position: Lab Director

Printed Name: H. (Brad) Madadian Date:

SGS Accutest- Marlborough

Are project-specific matrix spikes and laboratory duplicates included in this

data set?

Note: For all questions to which the response was "No" (with the exception of question #7), additional

information must be provided in an attached narrative. If the answer to question #1, #1A or #1B is "No", the

data package does not meet the requirements for "Reasonable Confidence".

I, the undersigned, attest under pains and penalties of perjury that, to the best of my knowledge and belief

and based upon my personal inquiry of those responsible for providing the information contained in this

analytical report, such information is accurate and complete.

Reza Tand

4/28/2017

Were all samples received by the laboratory in a condition consistent with

that described on the associated chain-of-custody document(s)?

Were samples received at an appropriate temperature (<6° C)?

Were all QA/QC performance criteria specified in the CTDEP Reasonable

Confidence Protocol documents achieved?

a) Were reporting limits specified or referenced on the chain-of-custody?

b) Were these reporting limits met?

For each analytical method referenced in this laboratory report package,

were results reported for all constituents identified in the method-specific

analyte lists presented in the Reasonable Confidence Protocol documents?

4/18/2017

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,

MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13,

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19,

MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25,

MC50199-26, MC50199-27, MC50199-28, MC50199-29, MC50199-30, MC50199-1A,

MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A, MC50199-6A, MC50199-7A,

MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A, MC50199-12A, MC50199-

13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A,

MC50199-19A, MC50199-20A, MC50199-21A, MC50199-22A, MC50199-23A, MC50199-

24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A, MC50199-29A

Refer to case narrative.

For each analytical method referenced in this laboratory report package, were all

specified QA/QC performance criteria followed, including the requirement to explain any

criteria falling outside of acceptable guidelines, as specified in the CTDEP method-

specific Reasonable Confidence Protocol

documents)?

Where all the method specified preservation and holding time requirements met?

VPH and EPH mehods only: Was the VPH or EPH method conducted without

significant modifications (See section 11.3 of respective methods)

Reasonable Confidence Protocol

Laboratory Analysis

QA/QC Certification Form

SGS Accutest- Marlborough BL Companies

Yankee Doodle Bridge, Hendricks

Avenue, Norwalk, CT14EC0048

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Laboratory Name: Client:

Project Location: Project Number:

Sampling Date(s):

Laboratory Sample ID(s):

Methods:

1 Yes No

1A Yes No

1B Yes No

NA

2 Yes No

3 Yes No

4 Yes No

5 Yes No

Yes No

6 Yes No

7 Yes No

Authorized

Signature: Position: Lab Director

Printed Name: gNancy Cole Date:

Mid-Atlantic Laboratory

Are project-specific matrix spikes and laboratory duplicates included in this

data set?

Note: For all questions to which the response was "No" (with the exception of question #7), additional

information must be provided in an attached narrative. If the answer to question #1, #1A or #1B is "No", the

data package does not meet the requirements for "Reasonable Confidence".

I, the undersigned, attest under pains and penalties of perjury that, to the best of my knowledge and belief

and based upon my personal inquiry of those responsible for providing the information contained in this

analytical report, such information is accurate and complete.

Reza Tand

4/28/2017

Were all samples received by the laboratory in a condition consistent with

that described on the associated chain-of-custody document(s)?

Were samples received at an appropriate temperature (<6° C)?

Were all QA/QC performance criteria specified in the CTDEP Reasonable

Confidence Protocol documents achieved?

a) Were reporting limits specified or referenced on the chain-of-custody?

b) Were these reporting limits met?

For each analytical method referenced in this laboratory report package,

were results reported for all constituents identified in the method-specific

analyte lists presented in the Reasonable Confidence Protocol documents?

4/18/2017

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-

7, MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13,

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19,

MC50199-1A, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24,

MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29, MC50199-2A,

MC50199-30, MC50199-3A, MC50199-4A, MC50199-5A, MC50199-6A, MC50199-7A,

MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A, MC50199-12A, MC50199-

13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A,

MC50199-19A, MC50199-20A, MC50199-21A, MC50199-22A, MC50199-23A, MC50199-

24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A, MC50199-29A

EPA 160.3 M, NONE, SM2540 G-97, SW846 6010C, SW846 7470A, SW846 7471B, SW846 8260C, SW846 8270D, SW846 9060A

For each analytical method referenced in this laboratory report package, were all

specified QA/QC performance criteria followed, including the requirement to explain any

criteria falling outside of acceptable guidelines, as specified in the CTDEP method-

specific Reasonable Confidence Protocol

documents)?

Where all the method specified preservation and holding time requirements met?

VPH and EPH mehods only: Was the VPH or EPH method conducted without

significant modifications (See section 11.3 of respective methods)

Reasonable Confidence Protocol

Laboratory Analysis

QA/QC Certification Form

Accutest New England SGS Accutest New England

BLCTM: Yankee Doodle Bridge,

Hendricks Avenue, Norwalk, CTBLCTM26936

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-1 Collected: 18-APR-17 14:10 By: WJ Received: 19-APR-17 By: TFSB-1 0-1

MC50199-1 SM2540 G-97 23-APR-17 13:00 ANJ SOL104MC50199-1 SW846 6010C 23-APR-17 18:45 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-1 SW846 9060A 24-APR-17 10:08 ANJ 24-APR-17 ANJ TOCSW846MC50199-1 SW846 7471B 24-APR-17 15:26 ANJ 24-APR-17 ANJ HGMC50199-1 SW846 8260C 25-APR-17 11:26 ANJ V8260RCPMC50199-1 SW846 8082A 25-APR-17 17:17 AP 20-APR-17 AJ P8082RCPMC50199-1 SW846 8081B 26-APR-17 02:21 AP 20-APR-17 AJ P8081RCPMC50199-1 CT-ETPH 7/06 27-APR-17 15:04 AP 24-APR-17 AJ BCTTPHMC50199-1 SW846 8270D 28-APR-17 02:29 ANJ 26-APR-17 ANJ B8270PAH+2MNAP

MC50199-2 Collected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: TFSB-2 0-2

MC50199-2 SM2540 G-97 23-APR-17 13:00 ANJ SOL104MC50199-2 SW846 6010C 23-APR-17 18:48 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-2 SW846 9060A 24-APR-17 11:14 ANJ 24-APR-17 ANJ TOCSW846MC50199-2 SW846 7471B 24-APR-17 12:50 ANJ 24-APR-17 ANJ HGMC50199-2 SW846 8082A 25-APR-17 17:33 AP 20-APR-17 AJ P8082RCPMC50199-2 SW846 8081B 26-APR-17 02:35 AP 20-APR-17 AJ P8081RCPMC50199-2 SW846 8260C 26-APR-17 18:21 ANJ V8260RCPMC50199-2 SW846 8270D 27-APR-17 04:53 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-2 CT-ETPH 7/06 28-APR-17 00:44 AP 24-APR-17 AJ BCTTPH

MC50199-3 Collected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: TFSB-2 2-3

MC50199-3 SM2540 G-97 23-APR-17 13:00 ANJ SOL104MC50199-3 SW846 6010C 23-APR-17 18:51 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-3 SW846 9060A 24-APR-17 11:50 ANJ 24-APR-17 ANJ TOCSW846MC50199-3 SW846 7471B 24-APR-17 15:24 ANJ 24-APR-17 ANJ HGMC50199-3 SW846 8260C 25-APR-17 11:54 ANJ V8260RCPMC50199-3 SW846 8082A 25-APR-17 17:48 AP 20-APR-17 AJ P8082RCPMC50199-3 SW846 8081B 26-APR-17 02:50 AP 20-APR-17 AJ P8081RCPMC50199-3 SW846 8270D 27-APR-17 05:17 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-3 SW846 8270D 27-APR-17 14:31 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-3 CT-ETPH 7/06 28-APR-17 01:15 AP 24-APR-17 AJ BCTTPH

Page 1 of 15

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-4 Collected: 18-APR-17 14:20 By: WJ Received: 19-APR-17 By: TFSB-3 0-1

MC50199-4 SM2540 G-97 23-APR-17 13:00 ANJ SOL104MC50199-4 SW846 6010C 23-APR-17 19:00 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-4 SW846 9060A 24-APR-17 12:34 ANJ 24-APR-17 ANJ TOCSW846MC50199-4 SW846 7471B 24-APR-17 12:56 ANJ 24-APR-17 ANJ HGMC50199-4 SW846 8260C 25-APR-17 15:12 ANJ V8260RCPMC50199-4 SW846 8082A 25-APR-17 18:04 AP 20-APR-17 AJ P8082RCPMC50199-4 SW846 8081B 26-APR-17 03:04 AP 20-APR-17 AJ P8081RCPMC50199-4 SW846 8270D 27-APR-17 05:40 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-4 CT-ETPH 7/06 28-APR-17 01:46 AP 24-APR-17 AJ BCTTPH

MC50199-5 Collected: 18-APR-17 14:45 By: WJ Received: 19-APR-17 By: TFSB-4 0-1

MC50199-5 SM2540 G-97 23-APR-17 13:00 ANJ SOL104MC50199-5 SW846 6010C 23-APR-17 19:03 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-5 SW846 7471B 24-APR-17 12:59 ANJ 24-APR-17 ANJ HGMC50199-5 SW846 9060A 24-APR-17 13:09 ANJ 24-APR-17 ANJ TOCSW846MC50199-5 SW846 8082A 25-APR-17 18:20 AP 20-APR-17 AJ P8082RCPMC50199-5 SW846 8081B 26-APR-17 03:18 AP 20-APR-17 AJ P8081RCPMC50199-5 SW846 8260C 26-APR-17 17:53 ANJ V8260RCPMC50199-5 SW846 8270D 27-APR-17 06:04 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-5 CT-ETPH 7/06 28-APR-17 02:17 AP 24-APR-17 AJ BCTTPH

MC50199-6 Collected: 18-APR-17 15:00 By: WJ Received: 19-APR-17 By: TFSB-5 0-1

MC50199-6 SW846 6010C 23-APR-17 19:06 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-6 SW846 7471B 24-APR-17 13:00 ANJ 24-APR-17 ANJ HGMC50199-6 SW846 9060A 24-APR-17 14:02 ANJ 24-APR-17 ANJ TOCSW846MC50199-6 SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-6 SW846 8260C 25-APR-17 18:23 ANJ V8260RCPMC50199-6 SW846 8082A 25-APR-17 18:36 AP 20-APR-17 AJ P8082RCPMC50199-6 SW846 8081B 26-APR-17 03:32 AP 20-APR-17 AJ P8081RCPMC50199-6 SW846 8270D 27-APR-17 12:55 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-6 CT-ETPH 7/06 28-APR-17 02:49 AP 24-APR-17 AJ BCTTPH

Page 2 of 15

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-7 Collected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: TFSB-6 0-2

MC50199-7 SW846 6010C 23-APR-17 19:09 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-7 SW846 7471B 24-APR-17 13:02 ANJ 24-APR-17 ANJ HGMC50199-7 SW846 9060A 24-APR-17 14:37 ANJ 24-APR-17 ANJ TOCSW846MC50199-7 SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-7 SW846 8082A 25-APR-17 18:51 AP 20-APR-17 AJ P8082RCPMC50199-7 SW846 8260C 25-APR-17 18:52 ANJ V8260RCPMC50199-7 SW846 8081B 26-APR-17 03:47 AP 20-APR-17 AJ P8081RCPMC50199-7 SW846 8270D 27-APR-17 13:20 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-7 CT-ETPH 7/06 28-APR-17 04:53 AP 24-APR-17 AJ BCTTPH

MC50199-8 Collected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: TFSB-6 2-3

MC50199-8 SW846 6010C 23-APR-17 19:12 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-8 SW846 7471B 24-APR-17 13:04 ANJ 24-APR-17 ANJ HGMC50199-8 SW846 9060A 24-APR-17 15:37 ANJ 24-APR-17 ANJ TOCSW846MC50199-8 SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-8 SW846 8260C 25-APR-17 19:20 ANJ V8260RCPMC50199-8 SW846 8082A 25-APR-17 20:26 AP 20-APR-17 AJ P8082RCPMC50199-8 SW846 8081B 26-APR-17 04:30 AP 20-APR-17 AJ P8081RCPMC50199-8 SW846 8270D 27-APR-17 06:28 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-8 CT-ETPH 7/06 28-APR-17 04:22 AP 24-APR-17 AJ BCTTPH

MC50199-9 Collected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: TFSB-9 0-1.5

MC50199-9 SW846 6010C 23-APR-17 19:15 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-9 SW846 7471B 24-APR-17 13:06 ANJ 24-APR-17 ANJ HGMC50199-9 SW846 9060A 24-APR-17 16:07 ANJ 24-APR-17 ANJ TOCSW846MC50199-9 SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-9 SW846 8082A 25-APR-17 20:42 AP 20-APR-17 AJ P8082RCPMC50199-9 SW846 8081B 26-APR-17 04:44 AP 20-APR-17 AJ P8081RCPMC50199-9 SW846 8260C 26-APR-17 17:24 ANJ V8260RCPMC50199-9 SW846 8270D 27-APR-17 13:43 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-9 CT-ETPH 7/06 28-APR-17 05:55 AP 24-APR-17 AJ BCTTPH

Page 3 of 15

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-10Collected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: TFSB-9 1.5-3

MC50199-10SW846 6010C 23-APR-17 19:17 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-10SW846 7471B 24-APR-17 13:08 ANJ 24-APR-17 ANJ HGMC50199-10SW846 9060A 24-APR-17 16:37 ANJ 24-APR-17 ANJ TOCSW846MC50199-10SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-10SW846 8260C 25-APR-17 19:49 ANJ V8260RCPMC50199-10SW846 8082A 25-APR-17 20:58 AP 20-APR-17 AJ P8082RCPMC50199-10SW846 8081B 26-APR-17 04:58 AP 20-APR-17 AJ P8081RCPMC50199-10SW846 8270D 27-APR-17 06:52 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-10CT-ETPH 7/06 28-APR-17 03:51 AP 24-APR-17 AJ BCTTPH

MC50199-11Collected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: TFSB-10 0-1.5

MC50199-11SW846 6010C 23-APR-17 19:20 ANJ 22-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-11SW846 7471B 24-APR-17 13:09 ANJ 24-APR-17 ANJ HGMC50199-11SM2540 G-97 24-APR-17 17:00 ANJ SOL104MC50199-11SW846 8082A 25-APR-17 21:14 AP 20-APR-17 AJ P8082RCPMC50199-11SW846 8081B 26-APR-17 05:12 AP 20-APR-17 AJ P8081RCPMC50199-11SW846 9060A 26-APR-17 11:54 ANJ 26-APR-17 ANJ TOCSW846MC50199-11SW846 8260C 26-APR-17 15:02 ANJ V8260RCPMC50199-11SW846 8270D 27-APR-17 07:15 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-11CT-ETPH 7/06 28-APR-17 00:13 AP 24-APR-17 AJ BCTTPH

MC50199-12Collected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-14 0-1.5

MC50199-12SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-12SW846 7471B 24-APR-17 13:15 ANJ 24-APR-17 ANJ HGMC50199-12SW846 6010C 24-APR-17 15:32 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-12SW846 8082A 25-APR-17 21:30 AP 20-APR-17 AJ P8082RCPMC50199-12SW846 8081B 26-APR-17 05:27 AP 20-APR-17 AJ P8081RCPMC50199-12SW846 9060A 26-APR-17 12:23 ANJ 26-APR-17 ANJ TOCSW846MC50199-12SW846 8260C 26-APR-17 16:56 ANJ V8260RCPMC50199-12SW846 8270D 27-APR-17 12:31 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-12CT-ETPH 7/06 28-APR-17 06:26 AP 24-APR-17 AJ BCTTPH

Page 4 of 15

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-13Collected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-14 1.6-3

MC50199-13SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-13SW846 7471B 24-APR-17 13:16 ANJ 24-APR-17 ANJ HGMC50199-13SW846 6010C 24-APR-17 15:35 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-13SW846 8260C 25-APR-17 20:45 ANJ V8260RCPMC50199-13SW846 8082A 25-APR-17 21:45 AP 20-APR-17 AJ P8082RCPMC50199-13SW846 8081B 26-APR-17 05:41 AP 20-APR-17 AJ P8081RCPMC50199-13SW846 9060A 26-APR-17 13:42 ANJ 26-APR-17 ANJ TOCSW846MC50199-13SW846 8270D 27-APR-17 12:07 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-13CT-ETPH 7/06 27-APR-17 22:40 AP 24-APR-17 AJ BCTTPH

MC50199-14Collected: 18-APR-17 11:30 By: WJ Received: 19-APR-17 By: TFSB-16 0-1

MC50199-14SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-14SW846 7471B 24-APR-17 13:18 ANJ 24-APR-17 ANJ HGMC50199-14SW846 6010C 24-APR-17 15:38 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-14SW846 8082A 25-APR-17 22:01 AP 20-APR-17 AJ P8082RCPMC50199-14SW846 8081B 26-APR-17 05:55 AP 20-APR-17 AJ P8081RCPMC50199-14SW846 8082A 26-APR-17 09:00 AP 20-APR-17 AJ P8082RCPMC50199-14SW846 9060A 26-APR-17 14:19 ANJ 26-APR-17 ANJ TOCSW846MC50199-14SW846 8260C 26-APR-17 16:28 ANJ V8260RCPMC50199-14SW846 8270D 27-APR-17 21:56 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-14CT-ETPH 7/06 28-APR-17 05:24 AP 24-APR-17 AJ BCTTPH

MC50199-15Collected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-17 0-1.5

MC50199-15SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-15SW846 7471B 24-APR-17 13:19 ANJ 24-APR-17 ANJ HGMC50199-15SW846 6010C 24-APR-17 15:41 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-15SW846 8082A 25-APR-17 22:17 AP 20-APR-17 AJ P8082RCPMC50199-15SW846 8081B 26-APR-17 06:10 AP 20-APR-17 AJ P8081RCPMC50199-15SW846 9060A 26-APR-17 14:54 ANJ 26-APR-17 ANJ TOCSW846MC50199-15SW846 8260C 26-APR-17 15:59 ANJ V8260RCPMC50199-15SW846 8270D 27-APR-17 04:14 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-15CT-ETPH 7/06 27-APR-17 23:11 AP 24-APR-17 AJ BCTTPH

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-16Collected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-17 1.5-3

MC50199-16SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-16SW846 7471B 24-APR-17 13:21 ANJ 24-APR-17 ANJ HGMC50199-16SW846 6010C 24-APR-17 15:44 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-16SW846 8260C 25-APR-17 21:13 ANJ V8260RCPMC50199-16SW846 9060A 26-APR-17 15:19 ANJ 26-APR-17 ANJ TOCSW846MC50199-16SW846 8082A 26-APR-17 17:53 AP 24-APR-17 AJ P8082RCPMC50199-16SW846 8081B 26-APR-17 20:36 AP 24-APR-17 AJ P8081RCPMC50199-16SW846 8270D 27-APR-17 04:43 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-16CT-ETPH 7/06 27-APR-17 23:42 AP 24-APR-17 AJ BCTTPH

MC50199-17Collected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-18 0-1.5

MC50199-17SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-17SW846 7471B 24-APR-17 13:23 ANJ 24-APR-17 ANJ HGMC50199-17SW846 6010C 24-APR-17 15:47 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-17SW846 8260C 25-APR-17 21:42 ANJ V8260RCPMC50199-17SW846 8082A 26-APR-17 18:09 AP 24-APR-17 AJ P8082RCPMC50199-17SW846 8081B 26-APR-17 20:51 AP 24-APR-17 AJ P8081RCPMC50199-17SW846 8270D 27-APR-17 05:12 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-17SW846 9060A 27-APR-17 10:05 ANJ 27-APR-17 ANJ TOCSW846MC50199-17CT-ETPH 7/06 27-APR-17 21:06 AP 24-APR-17 AJ BCTTPH

MC50199-18Collected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-18 1.5-3

MC50199-18SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-18SW846 7471B 24-APR-17 13:24 ANJ 24-APR-17 ANJ HGMC50199-18SW846 6010C 24-APR-17 15:56 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-18SW846 8260C 25-APR-17 22:10 ANJ V8260RCPMC50199-18SW846 8082A 26-APR-17 18:25 AP 24-APR-17 AJ P8082RCPMC50199-18SW846 8081B 26-APR-17 21:05 AP 24-APR-17 AJ P8081RCPMC50199-18SW846 8270D 27-APR-17 05:41 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-18SW846 9060A 27-APR-17 11:35 ANJ 27-APR-17 ANJ TOCSW846MC50199-18CT-ETPH 7/06 27-APR-17 22:08 AP 24-APR-17 AJ BCTTPH

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-19Collected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: TFSB-10 1.5-3

MC50199-19SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-19SW846 7471B 24-APR-17 13:25 ANJ 24-APR-17 ANJ HGMC50199-19SW846 6010C 24-APR-17 15:59 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-19SW846 8260C 26-APR-17 14:32 ANJ V8260RCPMC50199-19SW846 8082A 26-APR-17 18:41 AP 24-APR-17 AJ P8082RCPMC50199-19SW846 8081B 26-APR-17 21:19 AP 24-APR-17 AJ P8081RCPMC50199-19SW846 8270D 27-APR-17 06:09 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-19SW846 9060A 27-APR-17 12:04 ANJ 27-APR-17 ANJ TOCSW846MC50199-19CT-ETPH 7/06 27-APR-17 20:35 AP 24-APR-17 AJ BCTTPH

MC50199-1ACollected: 18-APR-17 14:10 By: WJ Received: 19-APR-17 By: TFSB-1 0-1

MC50199-1ASW846 7470A 24-APR-17 14:01 ANJ 24-APR-17 ANJ EHGMC50199-1ASW846 6010C 24-APR-17 20:14 ANJ 22-APR-17 ANJ EAS,ECD,EPB,ESEMC50199-1ASW846 6010C 25-APR-17 18:52 ANJ 22-APR-17 ANJ EAG,EBA,ECR

MC50199-20Collected: 19-APR-17 09:40 By: WJ Received: 19-APR-17 By: TFSB-7 0-1

MC50199-20SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-20SW846 7471B 24-APR-17 15:30 ANJ 24-APR-17 ANJ HGMC50199-20SW846 6010C 24-APR-17 16:02 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-20SW846 8260C 26-APR-17 14:03 ANJ V8260RCPMC50199-20SW846 8082A 26-APR-17 18:56 AP 24-APR-17 AJ P8082RCPMC50199-20SW846 8081B 26-APR-17 21:34 AP 24-APR-17 AJ P8081RCPMC50199-20SW846 8270D 27-APR-17 06:37 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-20CT-ETPH 7/06 27-APR-17 11:45 AP 24-APR-17 AJ BCTTPHMC50199-20SW846 9060A 27-APR-17 14:25 ANJ 27-APR-17 ANJ TOCSW846

MC50199-21Collected: 19-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-8 0-1

MC50199-21SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-21SW846 7471B 24-APR-17 13:42 ANJ 24-APR-17 ANJ HGMC50199-21SW846 6010C 24-APR-17 16:05 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SE

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-21SW846 8260C 25-APR-17 12:50 ANJ V8260RCPMC50199-21SW846 8082A 26-APR-17 19:12 AP 24-APR-17 AJ P8082RCPMC50199-21SW846 8081B 26-APR-17 21:48 AP 24-APR-17 AJ P8081RCPMC50199-21SW846 8270D 27-APR-17 07:06 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-21CT-ETPH 7/06 27-APR-17 12:16 AP 24-APR-17 AJ BCTTPHMC50199-21SW846 9060A 27-APR-17 14:52 ANJ 27-APR-17 ANJ TOCSW846

MC50199-22Collected: 19-APR-17 10:30 By: WJ Received: 19-APR-17 By: TFSB-11 0-1

MC50199-22SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-22SW846 7471B 24-APR-17 13:44 ANJ 24-APR-17 ANJ HGMC50199-22SW846 6010C 24-APR-17 16:08 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-22SW846 8260C 25-APR-17 13:19 ANJ V8260RCPMC50199-22SW846 8082A 26-APR-17 19:28 AP 24-APR-17 AJ P8082RCPMC50199-22SW846 8081B 26-APR-17 22:32 AP 24-APR-17 AJ P8081RCPMC50199-22SW846 8270D 27-APR-17 07:34 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-22SW846 9060A 27-APR-17 16:24 ANJ 27-APR-17 ANJ TOCSW846MC50199-22CT-ETPH 7/06 27-APR-17 18:00 AP 24-APR-17 AJ BCTTPH

MC50199-23Collected: 19-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-12 0-1

MC50199-23SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-23SW846 7471B 24-APR-17 13:46 ANJ 24-APR-17 ANJ HGMC50199-23SW846 6010C 24-APR-17 16:11 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-23SW846 8260C 25-APR-17 13:47 ANJ V8260RCPMC50199-23SW846 8082A 26-APR-17 19:44 AP 24-APR-17 AJ P8082RCPMC50199-23SW846 8081B 26-APR-17 22:46 AP 24-APR-17 AJ P8081RCPMC50199-23SW846 8270D 27-APR-17 08:02 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-23CT-ETPH 7/06 27-APR-17 16:26 AP 24-APR-17 AJ BCTTPHMC50199-23SW846 9060A 27-APR-17 17:36 ANJ 27-APR-17 ANJ TOCSW846

MC50199-24Collected: 19-APR-17 10:50 By: WJ Received: 19-APR-17 By: TFSB-13 0-1

MC50199-24SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-24SW846 7471B 24-APR-17 13:47 ANJ 24-APR-17 ANJ HGMC50199-24SW846 6010C 24-APR-17 16:14 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-24SW846 8260C 25-APR-17 14:16 ANJ V8260RCP

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-24SW846 8082A 26-APR-17 20:16 AP 24-APR-17 AJ P8082RCPMC50199-24SW846 8081B 26-APR-17 23:01 AP 24-APR-17 AJ P8081RCPMC50199-24SW846 8270D 27-APR-17 08:31 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-24CT-ETPH 7/06 27-APR-17 16:57 AP 24-APR-17 AJ BCTTPHMC50199-24SW846 9060A 27-APR-17 18:16 ANJ 27-APR-17 ANJ TOCSW846

MC50199-25Collected: 19-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-15 0-1

MC50199-25SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-25SW846 7471B 24-APR-17 13:53 ANJ 24-APR-17 ANJ HGMC50199-25SW846 6010C 24-APR-17 16:17 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-25SW846 8260C 25-APR-17 17:08 ANJ V8260RCPMC50199-25SW846 8082A 26-APR-17 20:31 AP 24-APR-17 AJ P8082RCPMC50199-25SW846 8081B 26-APR-17 23:15 AP 24-APR-17 AJ P8081RCPMC50199-25SW846 8270D 27-APR-17 08:59 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-25CT-ETPH 7/06 27-APR-17 17:28 AP 24-APR-17 AJ BCTTPHMC50199-25SW846 9060A 27-APR-17 20:26 ANJ 27-APR-17 ANJ TOCSW846

MC50199-26Collected: 19-APR-17 11:25 By: WJ Received: 19-APR-17 By: TFSB-19 0-1

MC50199-26SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-26SW846 7471B 24-APR-17 13:54 ANJ 24-APR-17 ANJ HGMC50199-26SW846 6010C 24-APR-17 16:20 ANJ 23-APR-17 ANJ AS,BAMC50199-26SW846 6010C 25-APR-17 15:32 ANJ 23-APR-17 ANJ AG,CD,CR,PB,SEMC50199-26SW846 8260C 25-APR-17 18:05 ANJ V8260RCPMC50199-26SW846 8082A 26-APR-17 20:47 AP 24-APR-17 AJ P8082RCPMC50199-26SW846 8081B 26-APR-17 23:30 AP 24-APR-17 AJ P8081RCPMC50199-26SW846 8270D 27-APR-17 09:28 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-26CT-ETPH 7/06 27-APR-17 19:02 AP 24-APR-17 AJ BCTTPH

MC50199-27Collected: 19-APR-17 11:35 By: WJ Received: 19-APR-17 By: TFSB-20 0-1

MC50199-27SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-27SW846 7471B 24-APR-17 13:56 ANJ 24-APR-17 ANJ HGMC50199-27SW846 6010C 24-APR-17 16:29 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-27SW846 8260C 25-APR-17 18:34 ANJ V8260RCPMC50199-27SW846 8082A 26-APR-17 21:03 AP 24-APR-17 AJ P8082RCP

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-27SW846 8081B 26-APR-17 23:44 AP 24-APR-17 AJ P8081RCPMC50199-27SW846 8270D 27-APR-17 09:57 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-27CT-ETPH 7/06 27-APR-17 19:33 AP 24-APR-17 AJ BCTTPH

MC50199-28Collected: 19-APR-17 11:40 By: WJ Received: 19-APR-17 By: TFSB-21 0-1

MC50199-28SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-28SW846 7471B 24-APR-17 13:57 ANJ 24-APR-17 ANJ HGMC50199-28SW846 6010C 24-APR-17 16:32 ANJ 23-APR-17 ANJ BAMC50199-28SW846 6010C 25-APR-17 15:35 ANJ 23-APR-17 ANJ AG,AS,CD,CR,PB,SEMC50199-28SW846 8260C 25-APR-17 19:03 ANJ V8260RCPMC50199-28SW846 8082A 26-APR-17 21:19 AP 24-APR-17 AJ P8082RCPMC50199-28SW846 8081B 26-APR-17 23:59 AP 24-APR-17 AJ P8081RCPMC50199-28SW846 8270D 27-APR-17 10:26 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-28CT-ETPH 7/06 27-APR-17 18:31 AP 24-APR-17 AJ BCTTPH

MC50199-29Collected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: TFDUP

MC50199-29SM2540 G-97 22-APR-17 11:00 ANJ SOL104MC50199-29SW846 7471B 24-APR-17 13:59 ANJ 24-APR-17 ANJ HGMC50199-29SW846 6010C 24-APR-17 16:35 ANJ 23-APR-17 ANJ AG,AS,BA,CD,CR,PB,SEMC50199-29SW846 8260C 26-APR-17 13:35 ANJ V8260RCPMC50199-29SW846 8082A 26-APR-17 21:35 AP 24-APR-17 AJ P8082RCPMC50199-29SW846 8081B 27-APR-17 00:13 AP 24-APR-17 AJ P8081RCPMC50199-29SW846 8270D 27-APR-17 10:54 ANJ 26-APR-17 ANJ B8270PAH+2MNAPMC50199-29CT-ETPH 7/06 27-APR-17 20:04 AP 24-APR-17 AJ BCTTPHMC50199-29SW846 9060A 27-APR-17 21:03 ANJ 27-APR-17 ANJ TOCSW846

MC50199-2ACollected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: TFSB-2 0-2

MC50199-2ASW846 7470A 24-APR-17 14:09 ANJ 24-APR-17 ANJ EHGMC50199-2ASW846 6010C 24-APR-17 20:17 ANJ 22-APR-17 ANJ EAS,ECD,EPB,ESEMC50199-2ASW846 6010C 25-APR-17 18:55 ANJ 22-APR-17 ANJ EAG,EBA,ECR

MC50199-30Collected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: TFTRIP BLANK

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-30SW846 8260C 25-APR-17 16:40 ANJ V8260RCP

MC50199-3ACollected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: TFSB-2 2-3

MC50199-3ASW846 7470A 24-APR-17 14:10 ANJ 24-APR-17 ANJ EHGMC50199-3ASW846 6010C 24-APR-17 20:20 ANJ 22-APR-17 ANJ EAS,ECD,EPB,ESEMC50199-3ASW846 6010C 25-APR-17 18:58 ANJ 22-APR-17 ANJ EAG,EBA,ECR

MC50199-4ACollected: 18-APR-17 14:20 By: WJ Received: 19-APR-17 By: TFSB-3 0-1

MC50199-4ASW846 7470A 24-APR-17 14:12 ANJ 24-APR-17 ANJ EHGMC50199-4ASW846 6010C 24-APR-17 20:23 ANJ 22-APR-17 ANJ EAS,ECD,EPB,ESEMC50199-4ASW846 6010C 25-APR-17 19:02 ANJ 22-APR-17 ANJ EAG,EBA,ECR

MC50199-5ACollected: 18-APR-17 14:45 By: WJ Received: 19-APR-17 By: TFSB-4 0-1

MC50199-5ASW846 7470A 24-APR-17 14:13 ANJ 24-APR-17 ANJ EHGMC50199-5ASW846 6010C 24-APR-17 20:26 ANJ 22-APR-17 ANJ EAS,ECD,EPB,ESEMC50199-5ASW846 6010C 25-APR-17 19:05 ANJ 22-APR-17 ANJ EAG,EBA,ECR

MC50199-6ACollected: 18-APR-17 15:00 By: WJ Received: 19-APR-17 By: TFSB-5 0-1

MC50199-6ASW846 7470A 24-APR-17 14:37 ANJ 24-APR-17 ANJ EHGMC50199-6ASW846 6010C 25-APR-17 14:59 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-7ACollected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: TFSB-6 0-2

MC50199-7ASW846 7470A 24-APR-17 14:39 ANJ 24-APR-17 ANJ EHGMC50199-7ASW846 6010C 25-APR-17 15:08 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-8ACollected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: TFSB-6 2-3

MC50199-8ASW846 7470A 24-APR-17 14:41 ANJ 24-APR-17 ANJ EHGMC50199-8ASW846 6010C 25-APR-17 15:12 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-9ACollected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: TFSB-9 0-1.5

MC50199-9ASW846 7470A 24-APR-17 14:42 ANJ 24-APR-17 ANJ EHGMC50199-9ASW846 6010C 25-APR-17 15:17 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-10ACollected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: TFSB-9 1.5-3

MC50199-10ASW846 7470A 24-APR-17 14:46 ANJ 24-APR-17 ANJ EHGMC50199-10ASW846 6010C 25-APR-17 15:21 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-11ACollected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: TFSB-10 0-1.5

MC50199-11ASW846 7470A 24-APR-17 14:48 ANJ 24-APR-17 ANJ EHGMC50199-11ASW846 6010C 25-APR-17 15:25 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-12ACollected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-14 0-1.5

MC50199-12ASW846 7470A 24-APR-17 14:49 ANJ 24-APR-17 ANJ EHGMC50199-12ASW846 6010C 25-APR-17 15:30 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-13ACollected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-14 1.6-3

MC50199-13ASW846 7470A 24-APR-17 14:50 ANJ 24-APR-17 ANJ EHGMC50199-13ASW846 6010C 25-APR-17 15:34 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-14ACollected: 18-APR-17 11:30 By: WJ Received: 19-APR-17 By: TFSB-16 0-1

MC50199-14ASW846 7470A 24-APR-17 14:52 ANJ 24-APR-17 ANJ EHGMC50199-14ASW846 6010C 25-APR-17 16:17 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-15ACollected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-17 0-1.5

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-15ASW846 7470A 24-APR-17 14:53 ANJ 24-APR-17 ANJ EHGMC50199-15ASW846 6010C 25-APR-17 16:22 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-16ACollected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-17 1.5-3

MC50199-16ASW846 7470A 24-APR-17 14:54 ANJ 24-APR-17 ANJ EHGMC50199-16ASW846 6010C 25-APR-17 16:26 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-17ACollected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-18 0-1.5

MC50199-17ASW846 7470A 24-APR-17 14:55 ANJ 24-APR-17 ANJ EHGMC50199-17ASW846 6010C 25-APR-17 16:31 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-18ACollected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-18 1.5-3

MC50199-18ASW846 7470A 24-APR-17 14:57 ANJ 24-APR-17 ANJ EHGMC50199-18ASW846 6010C 25-APR-17 16:35 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-19ACollected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: TFSB-10 1.5-3

MC50199-19ASW846 7470A 24-APR-17 15:01 ANJ 24-APR-17 ANJ EHGMC50199-19ASW846 6010C 25-APR-17 16:39 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-20ACollected: 19-APR-17 09:40 By: WJ Received: 19-APR-17 By: TFSB-7 0-1

MC50199-20ASW846 7470A 24-APR-17 15:03 ANJ 24-APR-17 ANJ EHGMC50199-20ASW846 6010C 25-APR-17 16:44 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-21ACollected: 19-APR-17 10:00 By: WJ Received: 19-APR-17 By: TFSB-8 0-1

MC50199-21ASW846 7470A 24-APR-17 15:04 ANJ 24-APR-17 ANJ EHGMC50199-21ASW846 6010C 25-APR-17 16:48 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-22ACollected: 19-APR-17 10:30 By: WJ Received: 19-APR-17 By: TFSB-11 0-1

MC50199-22ASW846 7470A 24-APR-17 15:05 ANJ 24-APR-17 ANJ EHGMC50199-22ASW846 6010C 25-APR-17 16:53 ANJ 24-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-23ACollected: 19-APR-17 10:45 By: WJ Received: 19-APR-17 By: TFSB-12 0-1

MC50199-23ASW846 7470A 26-APR-17 13:14 ANJ 26-APR-17 ANJ EHGMC50199-23ASW846 6010C 27-APR-17 13:44 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-24ACollected: 19-APR-17 10:50 By: WJ Received: 19-APR-17 By: TFSB-13 0-1

MC50199-24ASW846 7470A 26-APR-17 13:15 ANJ 26-APR-17 ANJ EHGMC50199-24ASW846 6010C 27-APR-17 14:27 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-25ACollected: 19-APR-17 11:00 By: WJ Received: 19-APR-17 By: TFSB-15 0-1

MC50199-25ASW846 7470A 26-APR-17 13:17 ANJ 26-APR-17 ANJ EHGMC50199-25ASW846 6010C 27-APR-17 14:44 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-26ACollected: 19-APR-17 11:25 By: WJ Received: 19-APR-17 By: TFSB-19 0-1

MC50199-26ASW846 7470A 26-APR-17 13:21 ANJ 26-APR-17 ANJ EHGMC50199-26ASW846 6010C 27-APR-17 14:47 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-27ACollected: 19-APR-17 11:35 By: WJ Received: 19-APR-17 By: TFSB-20 0-1

MC50199-27ASW846 7470A 26-APR-17 13:22 ANJ 26-APR-17 ANJ EHGMC50199-27ASW846 6010C 27-APR-17 14:51 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-28ACollected: 19-APR-17 11:40 By: WJ Received: 19-APR-17 By: TFSB-21 0-1

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SGS Accutest

Internal Sample Tracking Chronicle

BL CompaniesJob No: MC50199

Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-28ASW846 7470A 26-APR-17 13:23 ANJ 26-APR-17 ANJ EHGMC50199-28ASW846 6010C 27-APR-17 14:54 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-29ACollected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: TFDUP

MC50199-29ASW846 7470A 26-APR-17 13:25 ANJ 26-APR-17 ANJ EHGMC50199-29ASW846 6010C 27-APR-17 14:57 ANJ 26-APR-17 ANJ EAG,EAS,EBA,ECD,ECR,EPB,ESE

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QC Evaluation: CT RCP Limits Page 1 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP49633 SW846 8082A

OP49633-BS 12674-11-2 Aroclor 1016 BSP REC 76 % 40-140OP49633-BS 11096-82-5 Aroclor 1260 BSP REC 63 % 40-140OP49633-BS 877-09-8 Tetrachloro-m-xylene (sig#1) BSP SURR 71 % 30-150OP49633-BS 877-09-8 Tetrachloro-m-xylene (sig#2) BSP SURR 75 % 30-150OP49633-BS 2051-24-3 Decachlorobiphenyl (sig#1) BSP SURR 63 % 30-150OP49633-BS 2051-24-3 Decachlorobiphenyl (sig#2) BSP SURR 57 % 30-150OP49633-BSD 12674-11-2 Aroclor 1016 BSD REC 90 % 40-140OP49633-BSD 12674-11-2 Aroclor 1016 BSD RPD 17 % 30OP49633-BSD 11104-28-2 Aroclor 1221 BSD RPD 0 % 30OP49633-BSD 11141-16-5 Aroclor 1232 BSD RPD 0 % 30OP49633-BSD 53469-21-9 Aroclor 1242 BSD RPD 0 % 30OP49633-BSD 12672-29-6 Aroclor 1248 BSD RPD 0 % 30OP49633-BSD 11097-69-1 Aroclor 1254 BSD RPD 0 % 30OP49633-BSD 11096-82-5 Aroclor 1260 BSD REC 82 % 40-140OP49633-BSD 11096-82-5 Aroclor 1260 BSD RPD 27 % 30OP49633-BSD 37324-23-5 Aroclor 1262 BSD RPD 0 % 30OP49633-BSD 11100-14-4 Aroclor 1268 BSD RPD 0 % 30OP49633-BSD 877-09-8 Tetrachloro-m-xylene (sig#1) BSD SURR 83 % 30-150OP49633-BSD 877-09-8 Tetrachloro-m-xylene (sig#2) BSD SURR 81 % 30-150OP49633-BSD 2051-24-3 Decachlorobiphenyl (sig#1) BSD SURR 85 % 30-150OP49633-BSD 2051-24-3 Decachlorobiphenyl (sig#2) BSD SURR 78 % 30-150OP49633-MB 877-09-8 Tetrachloro-m-xylene (sig#1) MB SURR 87 % 30-150OP49633-MB 877-09-8 Tetrachloro-m-xylene (sig#2) MB SURR 80 % 30-150OP49633-MB 2051-24-3 Decachlorobiphenyl (sig#1) MB SURR 76 % 30-150OP49633-MB 2051-24-3 Decachlorobiphenyl (sig#2) MB SURR 72 % 30-150MC50199-1 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 85 % 30-150MC50199-1 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 69 % 30-150MC50199-1 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 104 % 30-150MC50199-1 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 96 % 30-150MC50199-2 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 59 % 30-150MC50199-2 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 46 % 30-150MC50199-2 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 82 % 30-150MC50199-2 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 65 % 30-150MC50199-3 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 68 % 30-150MC50199-3 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 42 % 30-150MC50199-3 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 90 % 30-150MC50199-3 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 67 % 30-150MC50199-4 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 73 % 30-150MC50199-4 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 55 % 30-150MC50199-4 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 102 % 30-150MC50199-4 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 75 % 30-150MC50199-5 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 70 % 30-150

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QC Evaluation: CT RCP Limits Page 2 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-5 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 49 % 30-150MC50199-5 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 115 % 30-150MC50199-5 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 72 % 30-150MC50199-6 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 70 % 30-150MC50199-6 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 46 % 30-150MC50199-6 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 100 % 30-150MC50199-6 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 74 % 30-150MC50199-7 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 70 % 30-150MC50199-7 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 56 % 30-150MC50199-7 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 104 % 30-150MC50199-7 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 72 % 30-150MC50199-8 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 74 % 30-150MC50199-8 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 47 % 30-150MC50199-8 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 113 % 30-150MC50199-8 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 88 % 30-150MC50199-9 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 59 % 30-150MC50199-9 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 47 % 30-150MC50199-9 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 93 % 30-150MC50199-9 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 57 % 30-150MC50199-10 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 75 % 30-150MC50199-10 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 65 % 30-150MC50199-10 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 91 % 30-150MC50199-10 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 74 % 30-150MC50199-11 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 63 % 30-150MC50199-11 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 55 % 30-150MC50199-11 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 72 % 30-150MC50199-11 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 66 % 30-150MC50199-12 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 72 % 30-150MC50199-12 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 49 % 30-150MC50199-12 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 94 % 30-150MC50199-12 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 64 % 30-150MC50199-13 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 67 % 30-150MC50199-13 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 61 % 30-150MC50199-13 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 79 % 30-150MC50199-13 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 68 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 76 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 59 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 54 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 59 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 97 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 105 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 76 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 87 % 30-150MC50199-15 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 74 % 30-150MC50199-15 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 68 % 30-150

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 3 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-15 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 82 % 30-150MC50199-15 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 74 % 30-150

OP49634 SW846 8081B

OP49634-BS 15972-60-8 Alachlor BSP REC 100 % 40-140OP49634-BS 309-00-2 Aldrin BSP REC 96 % 40-140OP49634-BS 319-84-6 alpha-BHC BSP REC 83 % 40-140OP49634-BS 319-85-7 beta-BHC BSP REC 90 % 40-140OP49634-BS 319-86-8 delta-BHC BSP REC 38 % 40-140OP49634-BS 58-89-9 gamma-BHC (Lindane) BSP REC 89 % 40-140OP49634-BS 60-57-1 Dieldrin BSP REC 111 % 40-140OP49634-BS 72-54-8 4,4'-DDD BSP REC 103 % 40-140OP49634-BS 72-55-9 4,4'-DDE BSP REC 97 % 40-140OP49634-BS 50-29-3 4,4'-DDT BSP REC 118 % 40-140OP49634-BS 72-20-8 Endrin BSP REC 112 % 40-140OP49634-BS 1031-07-8 Endosulfan sulfate BSP REC 113 % 40-140OP49634-BS 7421-93-4 Endrin aldehyde BSP REC 79 % 40-140OP49634-BS 959-98-8 Endosulfan-I BSP REC 106 % 40-140OP49634-BS 33213-65-9 Endosulfan-II BSP REC 115 % 40-140OP49634-BS 76-44-8 Heptachlor BSP REC 98 % 40-140OP49634-BS 1024-57-3 Heptachlor epoxide BSP REC 102 % 40-140OP49634-BS 72-43-5 Methoxychlor BSP REC 117 % 40-140OP49634-BS 53494-70-5 Endrin ketone BSP REC 106 % 40-140OP49634-BS 877-09-8 Tetrachloro-m-xylene (sig#1) BSP SURR 86 % 30-150OP49634-BS 877-09-8 Tetrachloro-m-xylene (sig#2) BSP SURR 88 % 30-150OP49634-BS 2051-24-3 Decachlorobiphenyl (sig#1) BSP SURR 80 % 30-150OP49634-BS 2051-24-3 Decachlorobiphenyl (sig#2) BSP SURR 104 % 30-150OP49634-BSD 15972-60-8 Alachlor BSD REC 111 % 40-140OP49634-BSD 309-00-2 Aldrin BSD REC 108 % 40-140OP49634-BSD 309-00-2 Aldrin BSD RPD 12 % 30OP49634-BSD 319-84-6 alpha-BHC BSD REC 91 % 40-140OP49634-BSD 319-84-6 alpha-BHC BSD RPD 9 % 30OP49634-BSD 319-85-7 beta-BHC BSD REC 101 % 40-140OP49634-BSD 319-85-7 beta-BHC BSD RPD 12 % 30OP49634-BSD 319-86-8 delta-BHC BSD REC 43 % 40-140OP49634-BSD 319-86-8 delta-BHC BSD RPD 11 % 30OP49634-BSD 58-89-9 gamma-BHC (Lindane) BSD REC 102 % 40-140OP49634-BSD 58-89-9 gamma-BHC (Lindane) BSD RPD 14 % 30OP49634-BSD 60-57-1 Dieldrin BSD REC 122 % 40-140OP49634-BSD 60-57-1 Dieldrin BSD RPD 9 % 30OP49634-BSD 72-54-8 4,4'-DDD BSD REC 114 % 40-140OP49634-BSD 72-54-8 4,4'-DDD BSD RPD 10 % 30OP49634-BSD 72-55-9 4,4'-DDE BSD REC 103 % 40-140OP49634-BSD 72-55-9 4,4'-DDE BSD RPD 6 % 30

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 4 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP49634-BSD 50-29-3 4,4'-DDT BSD REC 119 % 40-140OP49634-BSD 50-29-3 4,4'-DDT BSD RPD 1 % 30OP49634-BSD 72-20-8 Endrin BSD REC 124 % 40-140OP49634-BSD 72-20-8 Endrin BSD RPD 10 % 30OP49634-BSD 1031-07-8 Endosulfan sulfate BSD REC 123 % 40-140OP49634-BSD 1031-07-8 Endosulfan sulfate BSD RPD 9 % 30OP49634-BSD 7421-93-4 Endrin aldehyde BSD REC 90 % 40-140OP49634-BSD 7421-93-4 Endrin aldehyde BSD RPD 12 % 30OP49634-BSD 959-98-8 Endosulfan-I BSD REC 117 % 40-140OP49634-BSD 959-98-8 Endosulfan-I BSD RPD 10 % 30OP49634-BSD 33213-65-9 Endosulfan-II BSD REC 117 % 40-140OP49634-BSD 33213-65-9 Endosulfan-II BSD RPD 2 % 30OP49634-BSD 76-44-8 Heptachlor BSD REC 111 % 40-140OP49634-BSD 76-44-8 Heptachlor BSD RPD 12 % 30OP49634-BSD 1024-57-3 Heptachlor epoxide BSD REC 112 % 40-140OP49634-BSD 1024-57-3 Heptachlor epoxide BSD RPD 9 % 30OP49634-BSD 72-43-5 Methoxychlor BSD REC 124 % 40-140OP49634-BSD 72-43-5 Methoxychlor BSD RPD 6 % 30OP49634-BSD 53494-70-5 Endrin ketone BSD REC 113 % 40-140OP49634-BSD 53494-70-5 Endrin ketone BSD RPD 7 % 30OP49634-BSD 877-09-8 Tetrachloro-m-xylene (sig#1) BSD SURR 89 % 30-150OP49634-BSD 877-09-8 Tetrachloro-m-xylene (sig#2) BSD SURR 93 % 30-150OP49634-BSD 2051-24-3 Decachlorobiphenyl (sig#1) BSD SURR 91 % 30-150OP49634-BSD 2051-24-3 Decachlorobiphenyl (sig#2) BSD SURR 105 % 30-150OP49634-MB 877-09-8 Tetrachloro-m-xylene (sig#1) MB SURR 90 % 30-150OP49634-MB 877-09-8 Tetrachloro-m-xylene (sig#2) MB SURR 92 % 30-150OP49634-MB 2051-24-3 Decachlorobiphenyl (sig#1) MB SURR 90 % 30-150OP49634-MB 2051-24-3 Decachlorobiphenyl (sig#2) MB SURR 107 % 30-150MC50199-1 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 77 % 30-150MC50199-1 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 48 % 30-150MC50199-1 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 57 % 30-150MC50199-1 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 60 % 30-150MC50199-2 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 56 % 30-150MC50199-2 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 29 % 30-150MC50199-2 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 42 % 30-150MC50199-2 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 52 % 30-150MC50199-3 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 59 % 30-150MC50199-3 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 36 % 30-150MC50199-3 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 70 % 30-150MC50199-3 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 119 % 30-150MC50199-4 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 77 % 30-150MC50199-4 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 43 % 30-150MC50199-4 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 66 % 30-150MC50199-4 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 70 % 30-150MC50199-5 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 73 % 30-150

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 5 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-5 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 44 % 30-150MC50199-5 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 80 % 30-150MC50199-5 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 66 % 30-150MC50199-6 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 84 % 30-150MC50199-6 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 43 % 30-150MC50199-6 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 46 % 30-150MC50199-6 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 73 % 30-150MC50199-7 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 68 % 30-150MC50199-7 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 39 % 30-150MC50199-7 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 62 % 30-150MC50199-7 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 83 % 30-150MC50199-8 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 57 % 30-150MC50199-8 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 39 % 30-150MC50199-8 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 60 % 30-150MC50199-8 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 90 % 30-150MC50199-9 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 65 % 30-150MC50199-9 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 39 % 30-150MC50199-9 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 56 % 30-150MC50199-9 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 90 % 30-150MC50199-10 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 78 % 30-150MC50199-10 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 50 % 30-150MC50199-10 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 51 % 30-150MC50199-10 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 56 % 30-150MC50199-11 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 72 % 30-150MC50199-11 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 45 % 30-150MC50199-11 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 47 % 30-150MC50199-11 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 48 % 30-150MC50199-12 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 81 % 30-150MC50199-12 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 44 % 30-150MC50199-12 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 52 % 30-150MC50199-12 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 65 % 30-150MC50199-13 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 87 % 30-150MC50199-13 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 54 % 30-150MC50199-13 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 48 % 30-150MC50199-13 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 55 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 62 % 30-150MC50199-14 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 39 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 68 % 30-150MC50199-14 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 117 % 30-150MC50199-15 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 79 % 30-150MC50199-15 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 46 % 30-150MC50199-15 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 33 % 30-150MC50199-15 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 42 % 30-150

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 6 of 9 Job Number: MC50199Account: BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP49644 SW846 8082A

OP49644-BS 12674-11-2 Aroclor 1016 BSP REC 96 % 40-140OP49644-BS 11096-82-5 Aroclor 1260 BSP REC 108 % 40-140OP49644-BS 877-09-8 Tetrachloro-m-xylene (sig#1) BSP SURR 86 % 30-150OP49644-BS 877-09-8 Tetrachloro-m-xylene (sig#2) BSP SURR 101 % 30-150OP49644-BS 2051-24-3 Decachlorobiphenyl (sig#1) BSP SURR 127 % 30-150OP49644-BS 2051-24-3 Decachlorobiphenyl (sig#2) BSP SURR 143 % 30-150OP49644-MB 877-09-8 Tetrachloro-m-xylene (sig#1) MB SURR 105 % 30-150OP49644-MB 877-09-8 Tetrachloro-m-xylene (sig#2) MB SURR 100 % 30-150OP49644-MB 2051-24-3 Decachlorobiphenyl (sig#1) MB SURR 120 % 30-150OP49644-MB 2051-24-3 Decachlorobiphenyl (sig#2) MB SURR 136 % 30-150MC50199-16 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 68 % 30-150MC50199-16 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 72 % 30-150MC50199-16 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 94 % 30-150MC50199-16 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 100 % 30-150MC50199-17 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 79 % 30-150MC50199-17 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 83 % 30-150MC50199-17 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 102 % 30-150MC50199-17 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 106 % 30-150MC50199-18 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 87 % 30-150MC50199-18 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 87 % 30-150MC50199-18 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 114 % 30-150MC50199-18 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 127 % 30-150MC50199-19 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 76 % 30-150MC50199-19 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 82 % 30-150MC50199-19 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 98 % 30-150MC50199-19 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 102 % 30-150MC50199-20 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 59 % 30-150MC50199-20 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 40 % 30-150MC50199-20 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 96 % 30-150MC50199-20 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 69 % 30-150MC50199-21 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 75 % 30-150MC50199-21 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 71 % 30-150MC50199-21 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 124 % 30-150MC50199-21 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 87 % 30-150MC50199-22 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 100 % 30-150MC50199-22 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 74 % 30-150MC50199-22 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 103 % 30-150MC50199-22 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 96 % 30-150MC50199-23 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 85 % 30-150MC50199-23 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 77 % 30-150MC50199-23 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 107 % 30-150MC50199-23 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 125 % 30-150

* Sample used for QC is not from job MC50199

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-24 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 82 % 30-150MC50199-24 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 61 % 30-150MC50199-24 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 94 % 30-150MC50199-24 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 90 % 30-150MC50199-25 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 87 % 30-150MC50199-25 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 72 % 30-150MC50199-25 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 106 % 30-150MC50199-25 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 107 % 30-150MC50199-26 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 94 % 30-150MC50199-26 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 81 % 30-150MC50199-26 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 116 % 30-150MC50199-26 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 103 % 30-150MC50199-27 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 85 % 30-150MC50199-27 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 76 % 30-150MC50199-27 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 106 % 30-150MC50199-27 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 98 % 30-150MC50199-28 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 81 % 30-150MC50199-28 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 69 % 30-150MC50199-28 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 117 % 30-150MC50199-28 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 84 % 30-150MC50199-29 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 74 % 30-150MC50199-29 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 62 % 30-150MC50199-29 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 126 % 30-150MC50199-29 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 67 % 30-150

OP49645 SW846 8081B

OP49645-BS 15972-60-8 Alachlor BSP REC 109 % 40-140OP49645-BS 309-00-2 Aldrin BSP REC 98 % 40-140OP49645-BS 319-84-6 alpha-BHC BSP REC 84 % 40-140OP49645-BS 319-85-7 beta-BHC BSP REC 97 % 40-140OP49645-BS 319-86-8 delta-BHC BSP REC 42 % 40-140OP49645-BS 58-89-9 gamma-BHC (Lindane) BSP REC 91 % 40-140OP49645-BS 60-57-1 Dieldrin BSP REC 127 % 40-140OP49645-BS 72-54-8 4,4'-DDD BSP REC 100 % 40-140OP49645-BS 72-55-9 4,4'-DDE BSP REC 96 % 40-140OP49645-BS 50-29-3 4,4'-DDT BSP REC 114 % 40-140OP49645-BS 72-20-8 Endrin BSP REC 109 % 40-140OP49645-BS 1031-07-8 Endosulfan sulfate BSP REC 121 % 40-140OP49645-BS 7421-93-4 Endrin aldehyde BSP REC 92 % 40-140OP49645-BS 959-98-8 Endosulfan-I BSP REC 110 % 40-140OP49645-BS 33213-65-9 Endosulfan-II BSP REC 109 % 40-140OP49645-BS 76-44-8 Heptachlor BSP REC 96 % 40-140OP49645-BS 1024-57-3 Heptachlor epoxide BSP REC 105 % 40-140OP49645-BS 72-43-5 Methoxychlor BSP REC 115 % 40-140

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP49645-BS 53494-70-5 Endrin ketone BSP REC 120 % 40-140OP49645-BS 877-09-8 Tetrachloro-m-xylene (sig#1) BSP SURR 91 % 30-150OP49645-BS 877-09-8 Tetrachloro-m-xylene (sig#2) BSP SURR 92 % 30-150OP49645-BS 2051-24-3 Decachlorobiphenyl (sig#1) BSP SURR 116 % 30-150OP49645-BS 2051-24-3 Decachlorobiphenyl (sig#2) BSP SURR 109 % 30-150OP49645-MB 877-09-8 Tetrachloro-m-xylene (sig#1) MB SURR 86 % 30-150OP49645-MB 877-09-8 Tetrachloro-m-xylene (sig#2) MB SURR 80 % 30-150OP49645-MB 2051-24-3 Decachlorobiphenyl (sig#1) MB SURR 103 % 30-150OP49645-MB 2051-24-3 Decachlorobiphenyl (sig#2) MB SURR 98 % 30-150MC50199-16 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 70 % 30-150MC50199-16 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 66 % 30-150MC50199-16 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 62 % 30-150MC50199-16 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 73 % 30-150MC50199-17 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 75 % 30-150MC50199-17 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 67 % 30-150MC50199-17 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 70 % 30-150MC50199-17 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 80 % 30-150MC50199-18 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 73 % 30-150MC50199-18 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 65 % 30-150MC50199-18 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 70 % 30-150MC50199-18 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 71 % 30-150MC50199-19 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 70 % 30-150MC50199-19 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 63 % 30-150MC50199-19 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 68 % 30-150MC50199-19 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 77 % 30-150MC50199-20 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 66 % 30-150MC50199-20 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 54 % 30-150MC50199-20 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 93 % 30-150MC50199-20 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 140 % 30-150MC50199-21 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 64 % 30-150MC50199-21 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 57 % 30-150MC50199-21 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 118 % 30-150MC50199-21 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 143 % 30-150MC50199-22 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 78 % 30-150MC50199-22 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 77 % 30-150MC50199-22 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 121 % 30-150MC50199-22 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 179 a % 30-150MC50199-23 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 76 % 30-150MC50199-23 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 65 % 30-150MC50199-23 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 65 % 30-150MC50199-23 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 99 % 30-150MC50199-24 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 78 % 30-150MC50199-24 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 71 % 30-150MC50199-24 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 100 % 30-150MC50199-24 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 151 % 30-150

* Sample used for QC is not from job MC50199

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-25 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 75 % 30-150MC50199-25 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 69 % 30-150MC50199-25 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 83 % 30-150MC50199-25 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 109 % 30-150MC50199-26 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 74 % 30-150MC50199-26 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 68 % 30-150MC50199-26 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 103 % 30-150MC50199-26 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 138 % 30-150MC50199-27 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 74 % 30-150MC50199-27 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 71 % 30-150MC50199-27 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 83 % 30-150MC50199-27 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 109 % 30-150MC50199-28 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 73 % 30-150MC50199-28 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 71 % 30-150MC50199-28 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 74 % 30-150MC50199-28 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 104 % 30-150MC50199-29 877-09-8 Tetrachloro-m-xylene (sig#1) SAMP SURR 68 % 30-150MC50199-29 877-09-8 Tetrachloro-m-xylene (sig#2) SAMP SURR 62 % 30-150MC50199-29 2051-24-3 Decachlorobiphenyl (sig#1) SAMP SURR 99 % 30-150MC50199-29 2051-24-3 Decachlorobiphenyl (sig#2) SAMP SURR 130 % 30-150

(a) Outside control limits due to possible matrix interference.

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SGS Accutest

GC Semi-volatiles

QC Data Summaries

Includes the following where applicable:

• Method Blank Summaries• Blank Spike Summaries• Matrix Spike and Duplicate Summaries• DDT/Endrin Breakdown Checks• Surrogate Recovery Summaries

New EnglandSection 6

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49642-MB CR4896.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295

The QC reported here applies to the following samples: Method: CT-ETPH 7/06

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17,MC50199-18

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) ND 17 mg/kg

CAS No. Surrogate Recoveries Limits

84-15-1 o-Terphenyl 75% 50-137%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49643-MB CR4891.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295

The QC reported here applies to the following samples: Method: CT-ETPH 7/06

MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

CAS No. Compound Result RL Units Q

CT-ETPH (C9-C36) ND 17 mg/kg

CAS No. Surrogate Recoveries Limits

84-15-1 o-Terphenyl 98% 50-137%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49634-MB BE54722.D 1 04/21/17 AP 04/20/17 OP49634 GBE2744

The QC reported here applies to the following samples: Method: SW846 8081B

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 50 ug/kg309-00-2 Aldrin ND 5.0 ug/kg319-84-6 alpha-BHC ND 5.0 ug/kg319-85-7 beta-BHC ND 5.0 ug/kg319-86-8 delta-BHC ND 5.0 ug/kg58-89-9 gamma-BHC (Lindane) ND 3.0 ug/kg12789-03-6 Chlordane ND 50 ug/kg60-57-1 Dieldrin ND 5.0 ug/kg72-54-8 4,4'-DDD ND 5.0 ug/kg72-55-9 4,4'-DDE ND 5.0 ug/kg50-29-3 4,4'-DDT ND 5.0 ug/kg72-20-8 Endrin ND 5.0 ug/kg1031-07-8 Endosulfan sulfate ND 5.0 ug/kg7421-93-4 Endrin aldehyde ND 5.0 ug/kg959-98-8 Endosulfan-I ND 5.0 ug/kg33213-65-9 Endosulfan-II ND 5.0 ug/kg76-44-8 Heptachlor ND 5.0 ug/kg1024-57-3 Heptachlor epoxide ND 5.0 ug/kg72-43-5 Methoxychlor ND 5.0 ug/kg53494-70-5 Endrin ketone ND 5.0 ug/kg8001-35-2 Toxaphene ND 50 ug/kg

CAS No. Surrogate Recoveries Limits

877-09-8 Tetrachloro-m-xylene 90% 10-143%877-09-8 Tetrachloro-m-xylene 92% 10-143%2051-24-3 Decachlorobiphenyl 90% 10-172%2051-24-3 Decachlorobiphenyl 107% 10-172%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49645-MB BE54813.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747

The QC reported here applies to the following samples: Method: SW846 8081B

MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23,MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

CAS No. Compound Result RL Units Q

15972-60-8 Alachlor ND 50 ug/kg309-00-2 Aldrin ND 5.0 ug/kg319-84-6 alpha-BHC ND 5.0 ug/kg319-85-7 beta-BHC ND 5.0 ug/kg319-86-8 delta-BHC ND 5.0 ug/kg58-89-9 gamma-BHC (Lindane) ND 5.0 ug/kg12789-03-6 Chlordane ND 50 ug/kg60-57-1 Dieldrin ND 5.0 ug/kg72-54-8 4,4'-DDD ND 5.0 ug/kg72-55-9 4,4'-DDE ND 5.0 ug/kg50-29-3 4,4'-DDT ND 5.0 ug/kg72-20-8 Endrin ND 5.0 ug/kg1031-07-8 Endosulfan sulfate ND 5.0 ug/kg7421-93-4 Endrin aldehyde ND 5.0 ug/kg959-98-8 Endosulfan-I ND 5.0 ug/kg33213-65-9 Endosulfan-II ND 5.0 ug/kg76-44-8 Heptachlor ND 5.0 ug/kg1024-57-3 Heptachlor epoxide ND 5.0 ug/kg72-43-5 Methoxychlor ND 5.0 ug/kg53494-70-5 Endrin ketone ND 5.0 ug/kg8001-35-2 Toxaphene ND 50 ug/kg

CAS No. Surrogate Recoveries Limits

877-09-8 Tetrachloro-m-xylene 86% 10-143%877-09-8 Tetrachloro-m-xylene 80% 10-143%2051-24-3 Decachlorobiphenyl 103% 10-172%2051-24-3 Decachlorobiphenyl 98% 10-172%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49633-MB BK65206.D 1 04/21/17 AP 04/20/17 OP49633 GBK2082

The QC reported here applies to the following samples: Method: SW846 8082A

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 25 ug/kg11104-28-2 Aroclor 1221 ND 25 ug/kg11141-16-5 Aroclor 1232 ND 25 ug/kg53469-21-9 Aroclor 1242 ND 25 ug/kg12672-29-6 Aroclor 1248 ND 25 ug/kg11097-69-1 Aroclor 1254 ND 25 ug/kg11096-82-5 Aroclor 1260 ND 25 ug/kg37324-23-5 Aroclor 1262 ND 25 ug/kg11100-14-4 Aroclor 1268 ND 25 ug/kg

CAS No. Surrogate Recoveries Limits

877-09-8 Tetrachloro-m-xylene 87% 25-145%877-09-8 Tetrachloro-m-xylene 80% 25-145%2051-24-3 Decachlorobiphenyl 76% 25-179%2051-24-3 Decachlorobiphenyl 72% 25-179%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49644-MB BK65296.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085

The QC reported here applies to the following samples: Method: SW846 8082A

MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23,MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

CAS No. Compound Result RL Units Q

12674-11-2 Aroclor 1016 ND 25 ug/kg11104-28-2 Aroclor 1221 ND 25 ug/kg11141-16-5 Aroclor 1232 ND 25 ug/kg53469-21-9 Aroclor 1242 ND 25 ug/kg12672-29-6 Aroclor 1248 ND 25 ug/kg11097-69-1 Aroclor 1254 ND 25 ug/kg11096-82-5 Aroclor 1260 ND 25 ug/kg37324-23-5 Aroclor 1262 ND 25 ug/kg11100-14-4 Aroclor 1268 ND 25 ug/kg

CAS No. Surrogate Recoveries Limits

877-09-8 Tetrachloro-m-xylene 105% 25-145%877-09-8 Tetrachloro-m-xylene 100% 25-145%2051-24-3 Decachlorobiphenyl 120% 25-179%2051-24-3 Decachlorobiphenyl 136% 25-179%

369 of 566

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66.1.6

Page 455: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49642-BS CR4897.D 1 04/27/17 AP 04/24/17 OP49642 GCR1295

The QC reported here applies to the following samples: Method: CT-ETPH 7/06

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17,MC50199-18

Spike BSP BSPCAS No. Compound mg/kg mg/kg % Limits

CT-ETPH (C9-C36) 46.7 36.7 79 60-120

CAS No. Surrogate Recoveries BSP Limits

84-15-1 o-Terphenyl 86% 50-137%

* = Outside of Control Limits.

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66.2.1

Page 456: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49643-BS CR4892.D 1 04/27/17 AP 04/24/17 OP49643 GCR1295

The QC reported here applies to the following samples: Method: CT-ETPH 7/06

MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Spike BSP BSPCAS No. Compound mg/kg mg/kg % Limits

CT-ETPH (C9-C36) 46.7 33.7 72 60-120

CAS No. Surrogate Recoveries BSP Limits

84-15-1 o-Terphenyl 98% 50-137%

* = Outside of Control Limits.

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66.2.2

Page 457: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49645-BS BE54814.D 1 04/26/17 AP 04/24/17 OP49645 GBE2747

The QC reported here applies to the following samples: Method: SW846 8081B

MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23,MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

15972-60-8 Alachlor 333 363 109 40-164309-00-2 Aldrin 33.3 32.7 98 37-165319-84-6 alpha-BHC 33.3 28.0 84 32-157319-85-7 beta-BHC 33.3 32.2 97 41-159319-86-8 delta-BHC 33.3 14.1 42 26-15758-89-9 gamma-BHC (Lindane) 33.3 30.4 91 34-15660-57-1 Dieldrin 33.3 42.3 127 42-17172-54-8 4,4'-DDD 33.3 33.4 100 41-16872-55-9 4,4'-DDE 33.3 32.0 96 42-16750-29-3 4,4'-DDT 33.3 38.0 114 37-17272-20-8 Endrin 33.3 36.4 109 30-1911031-07-8 Endosulfan sulfate 33.3 40.4 121 41-1627421-93-4 Endrin aldehyde 33.3 30.7 92 32-161959-98-8 Endosulfan-I 33.3 36.8 110 42-16833213-65-9 Endosulfan-II 33.3 36.5 109 41-16676-44-8 Heptachlor 33.3 31.9 96 43-1591024-57-3 Heptachlor epoxide 33.3 35.1 105 42-16772-43-5 Methoxychlor 33.3 38.2 115 28-18753494-70-5 Endrin ketone 33.3 39.9 120 32-170

CAS No. Surrogate Recoveries BSP Limits

877-09-8 Tetrachloro-m-xylene 91% 10-143%877-09-8 Tetrachloro-m-xylene 92% 10-143%2051-24-3 Decachlorobiphenyl 116% 10-172%2051-24-3 Decachlorobiphenyl 109% 10-172%

* = Outside of Control Limits.

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66.2.3

Page 458: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49644-BS BK65297.D 1 04/26/17 AP 04/24/17 OP49644 GBK2085

The QC reported here applies to the following samples: Method: SW846 8082A

MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23,MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

12674-11-2 Aroclor 1016 267 256 96 47-14411104-28-2 Aroclor 1221 ND 40-14011141-16-5 Aroclor 1232 ND 40-14053469-21-9 Aroclor 1242 ND 40-14012672-29-6 Aroclor 1248 ND 40-14011097-69-1 Aroclor 1254 ND 40-14011096-82-5 Aroclor 1260 267 288 108 45-15637324-23-5 Aroclor 1262 ND 40-14011100-14-4 Aroclor 1268 ND 40-140

CAS No. Surrogate Recoveries BSP Limits

877-09-8 Tetrachloro-m-xylene 86% 25-145%877-09-8 Tetrachloro-m-xylene 101% 25-145%2051-24-3 Decachlorobiphenyl 127% 25-179%2051-24-3 Decachlorobiphenyl 143% 25-179%

* = Outside of Control Limits.

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66.2.4

Page 459: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49634-BS BE54723.D 1 04/21/17 AP 04/20/17 OP49634 GBE2744OP49634-BSD BE54724.D 1 04/21/17 AP 04/20/17 OP49634 GBE2744

The QC reported here applies to the following samples: Method: SW846 8081B

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

15972-60-8 Alachlor 333 334 100 369 111 10 40-164/30309-00-2 Aldrin 33.3 31.9 96 36.1 108 12 37-165/30319-84-6 alpha-BHC 33.3 27.7 83 30.4 91 9 32-157/30319-85-7 beta-BHC 33.3 29.9 90 33.6 101 12 41-159/30319-86-8 delta-BHC 33.3 12.8 38 14.3 43 11 26-157/3058-89-9 gamma-BHC (Lindane) 33.3 29.7 89 34.1 102 14 34-156/3060-57-1 Dieldrin 33.3 37.1 111 40.6 122 9 42-171/3072-54-8 4,4'-DDD 33.3 34.4 103 37.9 114 10 41-168/3072-55-9 4,4'-DDE 33.3 32.3 97 34.4 103 6 42-167/3050-29-3 4,4'-DDT 33.3 39.2 118 39.7 119 1 37-172/3072-20-8 Endrin 33.3 37.5 112 41.4 124 10 30-191/301031-07-8 Endosulfan sulfate 33.3 37.6 113 41.0 123 9 41-162/307421-93-4 Endrin aldehyde 33.3 26.4 79 29.9 90 12 32-161/30959-98-8 Endosulfan-I 33.3 35.3 106 39.1 117 10 42-168/3033213-65-9 Endosulfan-II 33.3 38.5 115 39.1 117 2 41-166/3076-44-8 Heptachlor 33.3 32.8 98 37.1 111 12 43-159/301024-57-3 Heptachlor epoxide 33.3 34.1 102 37.3 112 9 42-167/3072-43-5 Methoxychlor 33.3 39.0 117 41.5 124 6 28-187/3053494-70-5 Endrin ketone 33.3 35.4 106 37.8 113 7 32-170/30

CAS No. Surrogate Recoveries BSP BSD Limits

877-09-8 Tetrachloro-m-xylene 86% 89% 10-143%877-09-8 Tetrachloro-m-xylene 88% 93% 10-143%2051-24-3 Decachlorobiphenyl 80% 91% 10-172%2051-24-3 Decachlorobiphenyl 104% 105% 10-172%

* = Outside of Control Limits.

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Page 460: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP49633-BS BK65207.D 1 04/21/17 AP 04/20/17 OP49633 GBK2082OP49633-BSD BK65208.D 1 04/21/17 AP 04/20/17 OP49633 GBK2082

The QC reported here applies to the following samples: Method: SW846 8082A

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

12674-11-2 Aroclor 1016 267 204 76 241 90 17 47-144/3011104-28-2 Aroclor 1221 ND ND nc 40-140/3011141-16-5 Aroclor 1232 ND ND nc 40-140/3053469-21-9 Aroclor 1242 ND ND nc 40-140/3012672-29-6 Aroclor 1248 ND ND nc 40-140/3011097-69-1 Aroclor 1254 ND ND nc 40-140/3011096-82-5 Aroclor 1260 267 168 63 220 82 27 45-156/3037324-23-5 Aroclor 1262 ND ND nc 40-140/3011100-14-4 Aroclor 1268 ND ND nc 40-140/30

CAS No. Surrogate Recoveries BSP BSD Limits

877-09-8 Tetrachloro-m-xylene 71% 83% 25-145%877-09-8 Tetrachloro-m-xylene 75% 81% 25-145%2051-24-3 Decachlorobiphenyl 63% 85% 25-179%2051-24-3 Decachlorobiphenyl 57% 78% 25-179%

* = Outside of Control Limits.

375 of 566

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66.3.2

Page 461: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

DDT/Endrin Breakdown Check Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample: GBE2744-DDT Injection Date: 04/21/17Lab File ID: BE54711.D Injection Time: 14:12 Instrument ID: GCBE

Response ResponseCompound Signal 1 Signal 2

4,4'-DDD 43246632 87386484,4'-DDE 5215747 11459374,4'-DDT 1683035215 210459533

DDT Breakdown a 2.8 % 4.5 %

Endrin aldehyde 9129255 2882697Endrin ketone 42581586 10624022Endrin 788183048 119835287

Endrin Breakdown b 6.2 % 10.1 %

(a) Calculated as: (DDD + DDE) / (DDD + DDE + DDT) x 100(b) Calculated as: (Endrin Aldehyde + Endrin Ketone) / (Endrin Aldehyde + Endrin Ketone + Endrin) x 100

This check applies to the following Samples, MS, MSD, Blanks, and Standards:

Lab Lab Date Time Hours ClientSample ID File ID Analyzed Analyzed Lapsed Sample ID

GBE2744-IC2744 BE54712.D 04/21/17 14:27 00:14 Initial cal 2GBE2744-IC2744 BE54713.D 04/21/17 14:41 00:29 Initial cal 5GBE2744-IC2744 BE54714.D 04/21/17 14:56 00:43 Initial cal 10GBE2744-IC2744 BE54715.D 04/21/17 15:10 00:58 Initial cal 50GBE2744-ICC2744 BE54716.D 04/21/17 15:25 01:12 Initial cal 100GBE2744-IC2744 BE54717.D 04/21/17 15:39 01:27 Initial cal 150GBE2744-IC2744 BE54718.D 04/21/17 15:54 01:41 Initial cal 200GBE2744-IC2744 BE54719.D 04/21/17 16:08 01:56 Initial cal 1000GBE2744-IC2744 BE54720.D 04/21/17 16:22 02:10 Initial cal 500GBE2744-ICV2744 BE54721.D 04/21/17 16:37 02:25 Initial cal verification 100OP49634-MB BE54722.D 04/21/17 16:51 02:38 Method BlankOP49634-BS BE54723.D 04/21/17 17:06 02:53 Blank SpikeOP49634-BSD BE54724.D 04/21/17 17:20 03:07 Blank Spike DuplicateZZZZZZ BE54725.D 04/21/17 17:35 03:22 (unrelated sample)OP49636-MB BE54726.D 04/21/17 17:49 03:37 Method BlankOP49636-BS BE54727.D 04/21/17 18:04 03:51 Blank SpikeZZZZZZ BE54728.D 04/21/17 18:18 04:06 (unrelated sample)ZZZZZZ BE54729.D 04/21/17 18:33 04:20 (unrelated sample)ZZZZZZ BE54730.D 04/21/17 18:47 04:35 (unrelated sample)ZZZZZZ BE54731.D 04/21/17 19:01 04:49 (unrelated sample)GBE2744-ECC2744 BE54732.D 04/21/17 19:16 05:04 Ending cal 100

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66.4.1

Page 462: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

DDT/Endrin Breakdown Check Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample: GBE2746-DDT Injection Date: 04/25/17Lab File ID: BE54770.D Injection Time: 23:01 Instrument ID: GCBE

Response ResponseCompound Signal 1 Signal 2

4,4'-DDD 35870838 77496574,4'-DDE 1149871 6548624,4'-DDT 741789534 87098631

DDT Breakdown a 4.8 % 8.8 %

Endrin aldehyde 2598166 222593Endrin ketone 4798153 1059747Endrin 390807132 70019106

Endrin Breakdown b 1.9 % 1.8 %

(a) Calculated as: (DDD + DDE) / (DDD + DDE + DDT) x 100(b) Calculated as: (Endrin Aldehyde + Endrin Ketone) / (Endrin Aldehyde + Endrin Ketone + Endrin) x 100

This check applies to the following Samples, MS, MSD, Blanks, and Standards:

Lab Lab Date Time Hours ClientSample ID File ID Analyzed Analyzed Lapsed Sample ID

GBE2746-IC2746 BE54771.D 04/25/17 23:15 00:14 Initial cal 2GBE2746-IC2746 BE54772.D 04/25/17 23:30 00:29 Initial cal 5GBE2746-IC2746 BE54773.D 04/25/17 23:44 00:43 Initial cal 10GBE2746-IC2746 BE54774.D 04/25/17 23:58 00:57 Initial cal 50GBE2746-ICC2746 BE54775.D 04/26/17 00:12 01:12 Initial cal 100GBE2746-IC2746 BE54776.D 04/26/17 00:27 01:26 Initial cal 150GBE2746-IC2746 BE54777.D 04/26/17 00:41 01:40 Initial cal 200GBE2746-IC2746 BE54778.D 04/26/17 00:55 01:54 Initial cal 1000GBE2746-IC2746 BE54779.D 04/26/17 01:10 02:09 Initial cal 500GBE2746-ICV2746 BE54780.D 04/26/17 01:24 02:23 Initial cal verification 100ZZZZZZ BE54781.D 04/26/17 01:38 02:37 (unrelated sample)ZZZZZZ BE54782.D 04/26/17 01:52 02:51 (unrelated sample)ZZZZZZ BE54783.D 04/26/17 02:07 03:06 (unrelated sample)MC50199-1 BE54784.D 04/26/17 02:21 03:20 SB-1 0-1MC50199-2 BE54785.D 04/26/17 02:35 03:34 SB-2 0-2MC50199-3 BE54786.D 04/26/17 02:50 03:49 SB-2 2-3MC50199-4 BE54787.D 04/26/17 03:04 04:03 SB-3 0-1MC50199-5 BE54788.D 04/26/17 03:18 04:17 SB-4 0-1MC50199-6 BE54789.D 04/26/17 03:32 04:31 SB-5 0-1MC50199-7 BE54790.D 04/26/17 03:47 04:46 SB-6 0-2GBE2746-CC2746 BE54791.D 04/26/17 04:01 05:00 Continuing cal 100

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66.4.2

Page 463: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

DDT/Endrin Breakdown Check Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample: GBE2746-DDT Injection Date: 04/26/17Lab File ID: BE54792.D Injection Time: 04:15 Instrument ID: GCBE

Response ResponseCompound Signal 1 Signal 2

4,4'-DDD 353084965 578079754,4'-DDE 2474738 8959654,4'-DDT 34614365 638026

DDT Breakdown a 91.1 %** 98.9 %**

Endrin aldehyde 0 0Endrin ketone 25286310 7264281Endrin 459694250 66433788

Endrin Breakdown b 5.2 % 9.9 %

(a) Calculated as: (DDD + DDE) / (DDD + DDE + DDT) x 100(b) Calculated as: (Endrin Aldehyde + Endrin Ketone) / (Endrin Aldehyde + Endrin Ketone + Endrin) x 100

This check applies to the following Samples, MS, MSD, Blanks, and Standards:

Lab Lab Date Time Hours ClientSample ID File ID Analyzed Analyzed Lapsed Sample ID

MC50199-8 BE54793.D 04/26/17 04:30 00:14 SB-6 2-3MC50199-9 BE54794.D 04/26/17 04:44 00:29 SB-9 0-1.5MC50199-10 BE54795.D 04/26/17 04:58 00:43 SB-9 1.5-3MC50199-11 BE54796.D 04/26/17 05:12 00:57 SB-10 0-1.5MC50199-12 BE54797.D 04/26/17 05:27 01:11 SB-14 0-1.5MC50199-13 BE54798.D 04/26/17 05:41 01:26 SB-14 1.6-3MC50199-14 BE54799.D 04/26/17 05:55 01:40 SB-16 0-1MC50199-15 BE54800.D 04/26/17 06:10 01:54 SB-17 0-1.5GBE2746-ECC2746 BE54801.D 04/26/17 06:24 02:09 Ending cal 100

378 of 566

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66.4.3

Page 464: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

DDT/Endrin Breakdown Check Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample: GBE2747-DDT Injection Date: 04/26/17Lab File ID: BE54802.D Injection Time: 16:05 Instrument ID: GCBE

Response ResponseCompound Signal 1 Signal 2

4,4'-DDD 25413013 73524414,4'-DDE 10217477 6498694,4'-DDT 671552183 80335178

DDT Breakdown a 5 % 9.1 %

Endrin aldehyde 3610933 331358Endrin ketone 4587012 813999Endrin 486070914 81269487

Endrin Breakdown b 1.7 % 1.4 %

(a) Calculated as: (DDD + DDE) / (DDD + DDE + DDT) x 100(b) Calculated as: (Endrin Aldehyde + Endrin Ketone) / (Endrin Aldehyde + Endrin Ketone + Endrin) x 100

This check applies to the following Samples, MS, MSD, Blanks, and Standards:

Lab Lab Date Time Hours ClientSample ID File ID Analyzed Analyzed Lapsed Sample ID

GBE2747-IC2747 BE54803.D 04/26/17 17:13 01:08 Initial cal 2GBE2747-IC2747 BE54804.D 04/26/17 17:28 01:23 Initial cal 5GBE2747-IC2747 BE54805.D 04/26/17 17:42 01:37 Initial cal 10GBE2747-IC2747 BE54806.D 04/26/17 17:57 01:52 Initial cal 50GBE2747-ICC2747 BE54807.D 04/26/17 18:11 02:06 Initial cal 100GBE2747-IC2747 BE54808.D 04/26/17 18:26 02:21 Initial cal 150GBE2747-IC2747 BE54809.D 04/26/17 18:40 02:35 Initial cal 200GBE2747-IC2747 BE54810.D 04/26/17 18:55 02:50 Initial cal 1000GBE2747-IC2747 BE54811.D 04/26/17 19:09 03:04 Initial cal 500GBE2747-ICV2747 BE54812.D 04/26/17 19:24 03:19 Initial cal verification 100OP49645-MB BE54813.D 04/26/17 19:38 03:33 Method BlankOP49645-BS BE54814.D 04/26/17 19:53 03:48 Blank SpikeZZZZZZ BE54815.D 04/26/17 20:07 04:02 (unrelated sample)ZZZZZZ BE54816.D 04/26/17 20:22 04:16 (unrelated sample)MC50199-16 BE54817.D 04/26/17 20:36 04:31 SB-17 1.5-3MC50199-17 BE54818.D 04/26/17 20:51 04:45 SB-18 0-1.5MC50199-18 BE54819.D 04/26/17 21:05 05:00 SB-18 1.5-3MC50199-19 BE54820.D 04/26/17 21:19 05:14 SB-10 1.5-3MC50199-20 BE54821.D 04/26/17 21:34 05:29 SB-7 0-1MC50199-21 BE54822.D 04/26/17 21:48 05:43 SB-8 0-1GBE2747-CC2747 BE54823.D 04/26/17 22:03 05:58 Continuing cal 100

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66.4.4

Page 465: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

DDT/Endrin Breakdown Check Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample: GBE2747-DDT Injection Date: 04/26/17Lab File ID: BE54824.D Injection Time: 22:17 Instrument ID: GCBE

Response ResponseCompound Signal 1 Signal 2

4,4'-DDD 152316411 241042174,4'-DDE 2482214 3844054,4'-DDT 528270255 47689333

DDT Breakdown a 22.7 %** 33.9 %**

Endrin aldehyde 5209713 856479Endrin ketone 28962909 5562037Endrin 486928001 68628038

Endrin Breakdown b 6.6 % 8.6 %

(a) Calculated as: (DDD + DDE) / (DDD + DDE + DDT) x 100(b) Calculated as: (Endrin Aldehyde + Endrin Ketone) / (Endrin Aldehyde + Endrin Ketone + Endrin) x 100

This check applies to the following Samples, MS, MSD, Blanks, and Standards:

Lab Lab Date Time Hours ClientSample ID File ID Analyzed Analyzed Lapsed Sample ID

MC50199-22 BE54825.D 04/26/17 22:32 00:14 SB-11 0-1MC50199-23 BE54826.D 04/26/17 22:46 00:29 SB-12 0-1MC50199-24 BE54827.D 04/26/17 23:01 00:43 SB-13 0-1MC50199-25 BE54828.D 04/26/17 23:15 00:58 SB-15 0-1MC50199-26 BE54829.D 04/26/17 23:30 01:12 SB-19 0-1MC50199-27 BE54830.D 04/26/17 23:44 01:27 SB-20 0-1MC50199-28 BE54831.D 04/26/17 23:59 01:41 SB-21 0-1MC50199-29 BE54832.D 04/27/17 00:13 01:56 DUPGBE2747-ECC2747 BE54833.D 04/27/17 00:27 02:10 Ending cal 100

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Semivolatile Surrogate Recovery Summary Page 1 of 2 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8081B Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 a S1 b S2 a S2 b

MC50199-1 BE54784.D 77 48 57 60MC50199-2 BE54785.D 56 29 42 52MC50199-3 BE54786.D 59 36 70 119MC50199-4 BE54787.D 77 43 66 70MC50199-5 BE54788.D 73 44 80 66MC50199-6 BE54789.D 84 43 46 73MC50199-7 BE54790.D 68 39 62 83MC50199-8 BE54793.D 57 39 60 90MC50199-9 BE54794.D 65 39 56 90MC50199-10 BE54795.D 78 50 51 56MC50199-11 BE54796.D 72 45 47 48MC50199-12 BE54797.D 81 44 52 65MC50199-13 BE54798.D 87 54 48 55MC50199-14 BE54799.D 62 39 68 117MC50199-15 BE54800.D 79 46 33 42MC50199-16 BE54817.D 70 66 62 73MC50199-17 BE54818.D 75 67 70 80MC50199-18 BE54819.D 73 65 70 71MC50199-19 BE54820.D 70 63 68 77MC50199-20 BE54821.D 66 54 93 140MC50199-21 BE54822.D 64 57 118 143MC50199-22 BE54825.D 78 77 121 179* c

MC50199-23 BE54826.D 76 65 65 99MC50199-24 BE54827.D 78 71 100 151MC50199-25 BE54828.D 75 69 83 109MC50199-26 BE54829.D 74 68 103 138MC50199-27 BE54830.D 74 71 83 109MC50199-28 BE54831.D 73 71 74 104MC50199-29 BE54832.D 68 62 99 130OP49634-BS BE54723.D 86 88 80 104OP49634-BSD BE54724.D 89 93 91 105OP49634-MB BE54722.D 90 92 90 107OP49645-BS BE54814.D 91 92 116 109OP49645-MB BE54813.D 86 80 103 98

Surrogate RecoveryCompounds Limits

S1 = Tetrachloro-m-xylene 10-143%S2 = Decachlorobiphenyl 10-172%

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Semivolatile Surrogate Recovery Summary Page 2 of 2 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8081B Matrix: SO

Samples and QC shown here apply to the above method

Surrogate RecoveryCompounds Limits

(a) Recovery from GC signal #1(b) Recovery from GC signal #2(c) Outside control limits due to possible matrix interference.

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Semivolatile Surrogate Recovery Summary Page 1 of 2 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8082A Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 a S1 b S2 a S2 b

MC50199-1 BK65271.D 85 69 104 96MC50199-2 BK65272.D 59 46 82 65MC50199-3 BK65273.D 68 42 90 67MC50199-4 BK65274.D 73 55 102 75MC50199-5 BK65275.D 70 49 115 72MC50199-6 BK65276.D 70 46 100 74MC50199-7 BK65277.D 70 56 104 72MC50199-8 BK65283.D 74 47 113 88MC50199-9 BK65284.D 59 47 93 57MC50199-10 BK65285.D 75 65 91 74MC50199-11 BK65286.D 63 55 72 66MC50199-12 BK65287.D 72 49 94 64MC50199-13 BK65288.D 67 61 79 68MC50199-14 BK65293.D 59 54 105 87MC50199-14 BK65289.D 76 59 97 76MC50199-15 BK65290.D 74 68 82 74MC50199-16 BK65298.D 68 72 94 100MC50199-17 BK65299.D 79 83 102 106MC50199-18 BK65300.D 87 87 114 127MC50199-19 BK65301.D 76 82 98 102MC50199-20 BK65302.D 59 40 96 69MC50199-21 BK65303.D 75 71 124 87MC50199-22 BK65304.D 100 74 103 96MC50199-23 BK65305.D 85 77 107 125MC50199-24 BK65307.D 82 61 94 90MC50199-25 BK65308.D 87 72 106 107MC50199-26 BK65309.D 94 81 116 103MC50199-27 BK65310.D 85 76 106 98MC50199-28 BK65311.D 81 69 117 84MC50199-29 BK65312.D 74 62 126 67OP49633-BS BK65207.D 71 75 63 57OP49633-BSD BK65208.D 83 81 85 78OP49633-MB BK65206.D 87 80 76 72OP49644-BS BK65297.D 86 101 127 143OP49644-MB BK65296.D 105 100 120 136

Surrogate RecoveryCompounds Limits

S1 = Tetrachloro-m-xylene 25-145%

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Semivolatile Surrogate Recovery Summary Page 2 of 2 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8082A Matrix: SO

Samples and QC shown here apply to the above method

Surrogate RecoveryCompounds Limits

S2 = Decachlorobiphenyl 25-179%

(a) Recovery from GC signal #1(b) Recovery from GC signal #2

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Semivolatile Surrogate Recovery Summary Page 1 of 1 Job Number: MC50199Account: BLCTM BL CompaniesProject: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: CT-ETPH 7/06 Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 a

MC50199-1 CR4900.D 99MC50199-2 CR4918.D 91MC50199-3 CR4919.D 91MC50199-4 CR4920.D 82MC50199-5 CR4921.D 91MC50199-6 CR4922.D 93MC50199-7 CR4926.D 91MC50199-8 CR4925.D 78MC50199-9 CR4928.D 107MC50199-10 CR4924.D 74MC50199-11 CR4917.D 90MC50199-12 CR4929.D 109MC50199-13 CR4914.D 87MC50199-14 CR4927.D 92MC50199-15 CR4915.D 89MC50199-16 CR4916.D 93MC50199-17 CR4911.D 99MC50199-18 CR4913.D 96MC50199-19 CR4910.D 102MC50199-20 CR4894.D 98MC50199-21 CR4895.D 92MC50199-22 CR4905.D 100MC50199-23 CR4902.D 96MC50199-24 CR4903.D 107MC50199-25 CR4904.D 109MC50199-26 CR4907.D 94MC50199-27 CR4908.D 99MC50199-28 CR4906.D 104MC50199-29 CR4909.D 98OP49642-BS CR4897.D 86OP49642-MB CR4896.D 75OP49643-BS CR4892.D 98OP49643-MB CR4891.D 98

Surrogate RecoveryCompounds Limits

S1 = o-Terphenyl 50-137%

(a) Recovery from GC signal #1

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SGS Accutest

Misc. Forms

Custody Documents and Other Forms

(SGS Accutest New Jersey)

Includes the following where applicable:

• Chain of Custody• Sample Tracking Chronicle• QC Evaluation: CT RCP Limits

New EnglandSection 7

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MC50199: Chain of CustodyPage 1 of 10

SGS Accutest New Jersey

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MC50199: Chain of CustodyPage 5 of 10

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MC50199: Chain of CustodyPage 7 of 10

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Job Number: MC50199 Client: BL COMPANIES

Date / Time Received: 4/20/2017 6:55:00 AM Delivery Method: Other Courier

Project: YANKEE DOODLE BRIDGE

4. No. Coolers: 2

Airbill #'s:

Cooler Security

1. Custody Seals Present:

Y or N

2. Custody Seals Intact:

3. COC Present:

4. Smpl Dates/Time OK

2. Cooler temp verification:

Cooler Temperature Y or N

1. Temp criteria achieved:

3. Cooler media:

IR Gun

Ice (Bag)

Quality Control Preservation Y or N N/A

1. Trip Blank present / cooler:

2. Trip Blank listed on COC:

3. Samples preserved properly:

4. VOCs headspace free:

Sample Integrity - Documentation Y or N

1. Sample labels present on bottles:

2. Container labeling complete:

3. Sample container label / COC agree:

Sample Integrity - Condition Y or N

1. Sample recvd within HT:

3. Condition of sample:

2. All containers accounted for:

Sample Integrity - Instructions

1. Analysis requested is clear:

2. Bottles received for unspecified tests

3. Sufficient volume recvd for analysis:

4. Compositing instructions clear:

5. Filtering instructions clear:

Intact

Y or N

Comments -2 -3 -7 thru -19 Meoh and DI vials processed outside of holding time.

Y or N N/A

Cooler Temps (Raw Measured) °C:

Cooler Temps (Corrected) °C:

Cooler 1: (3.7); Cooler 2: (3.9);

Cooler 1: (5.1); Cooler 2: (5.3);

SM089-02Rev. Date 12/1/16

SGS Accutest Sample Receipt Summary

MC50199: Chain of CustodyPage 9 of 10

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Response:

Please proceed as noted

Responded to by: Michelle Response Date: 4/21

MC50199: Chain of CustodyPage 10 of 10

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-1 Collected: 18-APR-17 14:10 By: WJ Received: 19-APR-17 By: RLSB-1 0-1

MC50199-1 SM2540 G-97 23-APR-17 13:00 KP SOL104MC50199-1 SW846 6010C 23-APR-17 18:45 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-1 SW846 9060A 24-APR-17 10:08 YZ 24-APR-17 YZ TOCSW846MC50199-1 SW846 7471B 24-APR-17 15:26 JPM 24-APR-17 JPM HGMC50199-1 SW846 8260C 25-APR-17 11:26 PS V8260RCPMC50199-1 SW846 8270D 28-APR-17 02:29 AN 26-APR-17 RF B8270PAH+2MNAP

MC50199-2 Collected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: RLSB-2 0-2

MC50199-2 SM2540 G-97 23-APR-17 13:00 KP SOL104MC50199-2 SW846 6010C 23-APR-17 18:48 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-2 SW846 9060A 24-APR-17 11:14 YZ 24-APR-17 YZ TOCSW846MC50199-2 SW846 7471B 24-APR-17 12:50 JPM 24-APR-17 JPM HGMC50199-2 SW846 8260C 26-APR-17 18:21 SY V8260RCPMC50199-2 SW846 8270D 27-APR-17 04:53 CS 26-APR-17 RF B8270PAH+2MNAP

MC50199-3 Collected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: RLSB-2 2-3

MC50199-3 SM2540 G-97 23-APR-17 13:00 KP SOL104MC50199-3 SW846 6010C 23-APR-17 18:51 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-3 SW846 9060A 24-APR-17 11:50 YZ 24-APR-17 YZ TOCSW846MC50199-3 SW846 7471B 24-APR-17 15:24 JPM 24-APR-17 JPM HGMC50199-3 SW846 8260C 25-APR-17 11:54 PS V8260RCPMC50199-3 SW846 8270D 27-APR-17 05:17 CS 26-APR-17 RF B8270PAH+2MNAPMC50199-3 SW846 8270D 27-APR-17 14:31 AD 26-APR-17 RF B8270PAH+2MNAP

MC50199-4 Collected: 18-APR-17 14:20 By: WJ Received: 19-APR-17 By: RLSB-3 0-1

MC50199-4 SM2540 G-97 23-APR-17 13:00 KP SOL104MC50199-4 SW846 6010C 23-APR-17 19:00 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-4 SW846 9060A 24-APR-17 12:34 YZ 24-APR-17 YZ TOCSW846MC50199-4 SW846 7471B 24-APR-17 12:56 JPM 24-APR-17 JPM HGMC50199-4 SW846 8260C 25-APR-17 15:12 SY V8260RCPMC50199-4 SW846 8270D 27-APR-17 05:40 CS 26-APR-17 RF B8270PAH+2MNAP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-5 Collected: 18-APR-17 14:45 By: WJ Received: 19-APR-17 By: RLSB-4 0-1

MC50199-5 SM2540 G-97 23-APR-17 13:00 KP SOL104MC50199-5 SW846 6010C 23-APR-17 19:03 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-5 SW846 7471B 24-APR-17 12:59 JPM 24-APR-17 JPM HGMC50199-5 SW846 9060A 24-APR-17 13:09 YZ 24-APR-17 YZ TOCSW846MC50199-5 SW846 8260C 26-APR-17 17:53 SY V8260RCPMC50199-5 SW846 8270D 27-APR-17 06:04 CS 26-APR-17 RF B8270PAH+2MNAP

MC50199-6 Collected: 18-APR-17 15:00 By: WJ Received: 19-APR-17 By: RLSB-5 0-1

MC50199-6 SW846 6010C 23-APR-17 19:06 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-6 SW846 7471B 24-APR-17 13:00 JPM 24-APR-17 JPM HGMC50199-6 SW846 9060A 24-APR-17 14:02 YZ 24-APR-17 YZ TOCSW846MC50199-6 SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-6 SW846 8260C 25-APR-17 18:23 PS V8260RCPMC50199-6 SW846 8270D 27-APR-17 12:55 AD 26-APR-17 RF B8270PAH+2MNAP

MC50199-7 Collected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: RLSB-6 0-2

MC50199-7 SW846 6010C 23-APR-17 19:09 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-7 SW846 7471B 24-APR-17 13:02 JPM 24-APR-17 JPM HGMC50199-7 SW846 9060A 24-APR-17 14:37 YZ 24-APR-17 YZ TOCSW846MC50199-7 SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-7 SW846 8260C 25-APR-17 18:52 PS V8260RCPMC50199-7 SW846 8270D 27-APR-17 13:20 AD 26-APR-17 RF B8270PAH+2MNAP

MC50199-8 Collected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: RLSB-6 2-3

MC50199-8 SW846 6010C 23-APR-17 19:12 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-8 SW846 7471B 24-APR-17 13:04 JPM 24-APR-17 JPM HGMC50199-8 SW846 9060A 24-APR-17 15:37 YZ 24-APR-17 YZ TOCSW846MC50199-8 SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-8 SW846 8260C 25-APR-17 19:20 PS V8260RCPMC50199-8 SW846 8270D 27-APR-17 06:28 CS 26-APR-17 RF B8270PAH+2MNAP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-9 Collected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: RLSB-9 0-1.5

MC50199-9 SW846 6010C 23-APR-17 19:15 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-9 SW846 7471B 24-APR-17 13:06 JPM 24-APR-17 JPM HGMC50199-9 SW846 9060A 24-APR-17 16:07 YZ 24-APR-17 YZ TOCSW846MC50199-9 SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-9 SW846 8260C 26-APR-17 17:24 SY V8260RCPMC50199-9 SW846 8270D 27-APR-17 13:43 AD 26-APR-17 RF B8270PAH+2MNAP

MC50199-10Collected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: RLSB-9 1.5-3

MC50199-10SW846 6010C 23-APR-17 19:17 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-10SW846 7471B 24-APR-17 13:08 JPM 24-APR-17 JPM HGMC50199-10SW846 9060A 24-APR-17 16:37 YZ 24-APR-17 YZ TOCSW846MC50199-10SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-10SW846 8260C 25-APR-17 19:49 PS V8260RCPMC50199-10SW846 8270D 27-APR-17 06:52 CS 26-APR-17 RF B8270PAH+2MNAP

MC50199-11Collected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: RLSB-10 0-1.5

MC50199-11SW846 6010C 23-APR-17 19:20 GT 22-APR-17 DP AG,AS,BA,CD,CR,PB,SEMC50199-11SW846 7471B 24-APR-17 13:09 JPM 24-APR-17 JPM HGMC50199-11SM2540 G-97 24-APR-17 17:00 MP SOL104MC50199-11SW846 9060A 26-APR-17 11:54 CD 26-APR-17 YZ TOCSW846MC50199-11SW846 8260C 26-APR-17 15:02 SY V8260RCPMC50199-11SW846 8270D 27-APR-17 07:15 CS 26-APR-17 RF B8270PAH+2MNAP

MC50199-12Collected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-14 0-1.5

MC50199-12SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-12SW846 7471B 24-APR-17 13:15 JPM 24-APR-17 JPM HGMC50199-12SW846 6010C 24-APR-17 15:32 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-12SW846 9060A 26-APR-17 12:23 CD 26-APR-17 YZ TOCSW846MC50199-12SW846 8260C 26-APR-17 16:56 SY V8260RCPMC50199-12SW846 8270D 27-APR-17 12:31 AD 26-APR-17 RF B8270PAH+2MNAP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-13Collected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-14 1.6-3

MC50199-13SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-13SW846 7471B 24-APR-17 13:16 JPM 24-APR-17 JPM HGMC50199-13SW846 6010C 24-APR-17 15:35 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-13SW846 8260C 25-APR-17 20:45 PS V8260RCPMC50199-13SW846 9060A 26-APR-17 13:42 CD 26-APR-17 YZ TOCSW846MC50199-13SW846 8270D 27-APR-17 12:07 AD 26-APR-17 RF B8270PAH+2MNAP

MC50199-14Collected: 18-APR-17 11:30 By: WJ Received: 19-APR-17 By: RLSB-16 0-1

MC50199-14SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-14SW846 7471B 24-APR-17 13:18 JPM 24-APR-17 JPM HGMC50199-14SW846 6010C 24-APR-17 15:38 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-14SW846 9060A 26-APR-17 14:19 CD 26-APR-17 YZ TOCSW846MC50199-14SW846 8260C 26-APR-17 16:28 SY V8260RCPMC50199-14SW846 8270D 27-APR-17 21:56 RL 26-APR-17 FN B8270PAH+2MNAP

MC50199-15Collected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-17 0-1.5

MC50199-15SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-15SW846 7471B 24-APR-17 13:19 JPM 24-APR-17 JPM HGMC50199-15SW846 6010C 24-APR-17 15:41 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-15SW846 9060A 26-APR-17 14:54 CD 26-APR-17 YZ TOCSW846MC50199-15SW846 8260C 26-APR-17 15:59 SY V8260RCPMC50199-15SW846 8270D 27-APR-17 04:14 SB 26-APR-17 FN B8270PAH+2MNAP

MC50199-16Collected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-17 1.5-3

MC50199-16SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-16SW846 7471B 24-APR-17 13:21 JPM 24-APR-17 JPM HGMC50199-16SW846 6010C 24-APR-17 15:44 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-16SW846 8260C 25-APR-17 21:13 PS V8260RCPMC50199-16SW846 9060A 26-APR-17 15:19 CD 26-APR-17 YZ TOCSW846MC50199-16SW846 8270D 27-APR-17 04:43 SB 26-APR-17 FN B8270PAH+2MNAP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-17Collected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-18 0-1.5

MC50199-17SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-17SW846 7471B 24-APR-17 13:23 JPM 24-APR-17 JPM HGMC50199-17SW846 6010C 24-APR-17 15:47 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-17SW846 8260C 25-APR-17 21:42 PS V8260RCPMC50199-17SW846 8270D 27-APR-17 05:12 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-17SW846 9060A 27-APR-17 10:05 CD 27-APR-17 YZ TOCSW846

MC50199-18Collected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-18 1.5-3

MC50199-18SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-18SW846 7471B 24-APR-17 13:24 JPM 24-APR-17 JPM HGMC50199-18SW846 6010C 24-APR-17 15:56 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-18SW846 8260C 25-APR-17 22:10 PS V8260RCPMC50199-18SW846 8270D 27-APR-17 05:41 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-18SW846 9060A 27-APR-17 11:35 CD 27-APR-17 CD TOCSW846

MC50199-19Collected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: RLSB-10 1.5-3

MC50199-19SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-19SW846 7471B 24-APR-17 13:25 JPM 24-APR-17 JPM HGMC50199-19SW846 6010C 24-APR-17 15:59 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-19SW846 8260C 26-APR-17 14:32 SY V8260RCPMC50199-19SW846 8270D 27-APR-17 06:09 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-19SW846 9060A 27-APR-17 12:04 CD 27-APR-17 CD TOCSW846

MC50199-1ACollected: 18-APR-17 14:10 By: WJ Received: 19-APR-17 By: RLSB-1 0-1

MC50199-1ASW846 7470A 24-APR-17 14:01 MS 24-APR-17 MH EHGMC50199-1ASW846 6010C 24-APR-17 20:14 AB 22-APR-17 AA EAS,ECD,EPB,ESEMC50199-1ASW846 6010C 25-APR-17 18:52 AB 22-APR-17 AA EAG,EBA,ECR

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-20Collected: 19-APR-17 09:40 By: WJ Received: 19-APR-17 By: RLSB-7 0-1

MC50199-20SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-20SW846 7471B 24-APR-17 15:30 JPM 24-APR-17 JPM HGMC50199-20SW846 6010C 24-APR-17 16:02 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-20SW846 8260C 26-APR-17 14:03 SY V8260RCPMC50199-20SW846 8270D 27-APR-17 06:37 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-20SW846 9060A 27-APR-17 14:25 CD 27-APR-17 CD TOCSW846

MC50199-21Collected: 19-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-8 0-1

MC50199-21SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-21SW846 7471B 24-APR-17 13:42 JPM 24-APR-17 JPM HGMC50199-21SW846 6010C 24-APR-17 16:05 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-21SW846 8260C 25-APR-17 12:50 SY V8260RCPMC50199-21SW846 8270D 27-APR-17 07:06 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-21SW846 9060A 27-APR-17 14:52 CD 27-APR-17 CD TOCSW846

MC50199-22Collected: 19-APR-17 10:30 By: WJ Received: 19-APR-17 By: RLSB-11 0-1

MC50199-22SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-22SW846 7471B 24-APR-17 13:44 JPM 24-APR-17 JPM HGMC50199-22SW846 6010C 24-APR-17 16:08 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-22SW846 8260C 25-APR-17 13:19 SY V8260RCPMC50199-22SW846 8270D 27-APR-17 07:34 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-22SW846 9060A 27-APR-17 16:24 CD 27-APR-17 CD TOCSW846

MC50199-23Collected: 19-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-12 0-1

MC50199-23SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-23SW846 7471B 24-APR-17 13:46 JPM 24-APR-17 JPM HGMC50199-23SW846 6010C 24-APR-17 16:11 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-23SW846 8260C 25-APR-17 13:47 SY V8260RCPMC50199-23SW846 8270D 27-APR-17 08:02 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-23SW846 9060A 27-APR-17 17:36 CD 27-APR-17 CD TOCSW846

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-24Collected: 19-APR-17 10:50 By: WJ Received: 19-APR-17 By: RLSB-13 0-1

MC50199-24SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-24SW846 7471B 24-APR-17 13:47 JPM 24-APR-17 JPM HGMC50199-24SW846 6010C 24-APR-17 16:14 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-24SW846 8260C 25-APR-17 14:16 SY V8260RCPMC50199-24SW846 8270D 27-APR-17 08:31 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-24SW846 9060A 27-APR-17 18:16 CD 27-APR-17 CD TOCSW846

MC50199-25Collected: 19-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-15 0-1

MC50199-25SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-25SW846 7471B 24-APR-17 13:53 JPM 24-APR-17 JPM HGMC50199-25SW846 6010C 24-APR-17 16:17 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-25SW846 8260C 25-APR-17 17:08 SY V8260RCPMC50199-25SW846 8270D 27-APR-17 08:59 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-25SW846 9060A 27-APR-17 20:26 CD 27-APR-17 CD TOCSW846

MC50199-26Collected: 19-APR-17 11:25 By: WJ Received: 19-APR-17 By: RLSB-19 0-1

MC50199-26SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-26SW846 7471B 24-APR-17 13:54 JPM 24-APR-17 JPM HGMC50199-26SW846 6010C 24-APR-17 16:20 PP 23-APR-17 DM AS,BAMC50199-26SW846 6010C 25-APR-17 15:32 ND 23-APR-17 DM AG,CD,CR,PB,SEMC50199-26SW846 8260C 25-APR-17 18:05 SY V8260RCPMC50199-26SW846 8270D 27-APR-17 09:28 SB 26-APR-17 FN B8270PAH+2MNAP

MC50199-27Collected: 19-APR-17 11:35 By: WJ Received: 19-APR-17 By: RLSB-20 0-1

MC50199-27SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-27SW846 7471B 24-APR-17 13:56 JPM 24-APR-17 JPM HGMC50199-27SW846 6010C 24-APR-17 16:29 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-27SW846 8260C 25-APR-17 18:34 SY V8260RCPMC50199-27SW846 8270D 27-APR-17 09:57 SB 26-APR-17 FN B8270PAH+2MNAP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-28Collected: 19-APR-17 11:40 By: WJ Received: 19-APR-17 By: RLSB-21 0-1

MC50199-28SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-28SW846 7471B 24-APR-17 13:57 JPM 24-APR-17 JPM HGMC50199-28SW846 6010C 24-APR-17 16:32 PP 23-APR-17 DM BAMC50199-28SW846 6010C 25-APR-17 15:35 ND 23-APR-17 DM AG,AS,CD,CR,PB,SEMC50199-28SW846 8260C 25-APR-17 19:03 SY V8260RCPMC50199-28SW846 8270D 27-APR-17 10:26 SB 26-APR-17 FN B8270PAH+2MNAP

MC50199-29Collected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: RLDUP

MC50199-29SM2540 G-97 22-APR-17 11:00 KP SOL104MC50199-29SW846 7471B 24-APR-17 13:59 JPM 24-APR-17 JPM HGMC50199-29SW846 6010C 24-APR-17 16:35 PP 23-APR-17 DM AG,AS,BA,CD,CR,PB,SEMC50199-29SW846 8260C 26-APR-17 13:35 SY V8260RCPMC50199-29SW846 8270D 27-APR-17 10:54 SB 26-APR-17 FN B8270PAH+2MNAPMC50199-29SW846 9060A 27-APR-17 21:03 CD 27-APR-17 CD TOCSW846

MC50199-2ACollected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: RLSB-2 0-2

MC50199-2ASW846 7470A 24-APR-17 14:09 MS 24-APR-17 MH EHGMC50199-2ASW846 6010C 24-APR-17 20:17 AB 22-APR-17 AA EAS,ECD,EPB,ESEMC50199-2ASW846 6010C 25-APR-17 18:55 AB 22-APR-17 AA EAG,EBA,ECR

MC50199-30Collected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: RLTRIP BLANK

MC50199-30SW846 8260C 25-APR-17 16:40 SY V8260RCP

MC50199-3ACollected: 18-APR-17 13:45 By: WJ Received: 19-APR-17 By: RLSB-2 2-3

MC50199-3ASW846 7470A 24-APR-17 14:10 MS 24-APR-17 MH EHGMC50199-3ASW846 6010C 24-APR-17 20:20 AB 22-APR-17 AA EAS,ECD,EPB,ESEMC50199-3ASW846 6010C 25-APR-17 18:58 AB 22-APR-17 AA EAG,EBA,ECR

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-4ACollected: 18-APR-17 14:20 By: WJ Received: 19-APR-17 By: RLSB-3 0-1

MC50199-4ASW846 7470A 24-APR-17 14:12 MS 24-APR-17 MH EHGMC50199-4ASW846 6010C 24-APR-17 20:23 AB 22-APR-17 AA EAS,ECD,EPB,ESEMC50199-4ASW846 6010C 25-APR-17 19:02 AB 22-APR-17 AA EAG,EBA,ECR

MC50199-5ACollected: 18-APR-17 14:45 By: WJ Received: 19-APR-17 By: RLSB-4 0-1

MC50199-5ASW846 7470A 24-APR-17 14:13 MS 24-APR-17 MH EHGMC50199-5ASW846 6010C 24-APR-17 20:26 AB 22-APR-17 AA EAS,ECD,EPB,ESEMC50199-5ASW846 6010C 25-APR-17 19:05 AB 22-APR-17 AA EAG,EBA,ECR

MC50199-6ACollected: 18-APR-17 15:00 By: WJ Received: 19-APR-17 By: RLSB-5 0-1

MC50199-6ASW846 7470A 24-APR-17 14:37 MS 24-APR-17 MH EHGMC50199-6ASW846 6010C 25-APR-17 14:59 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-7ACollected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: RLSB-6 0-2

MC50199-7ASW846 7470A 24-APR-17 14:39 MS 24-APR-17 MH EHGMC50199-7ASW846 6010C 25-APR-17 15:08 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-8ACollected: 18-APR-17 13:15 By: WJ Received: 19-APR-17 By: RLSB-6 2-3

MC50199-8ASW846 7470A 24-APR-17 14:41 MS 24-APR-17 MH EHGMC50199-8ASW846 6010C 25-APR-17 15:12 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-9ACollected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: RLSB-9 0-1.5

MC50199-9ASW846 7470A 24-APR-17 14:42 MS 24-APR-17 MH EHGMC50199-9ASW846 6010C 25-APR-17 15:17 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-10ACollected: 18-APR-17 12:30 By: WJ Received: 19-APR-17 By: RLSB-9 1.5-3

MC50199-10ASW846 7470A 24-APR-17 14:46 MS 24-APR-17 MH EHGMC50199-10ASW846 6010C 25-APR-17 15:21 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-11ACollected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: RLSB-10 0-1.5

MC50199-11ASW846 7470A 24-APR-17 14:48 MS 24-APR-17 MH EHGMC50199-11ASW846 6010C 25-APR-17 15:25 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-12ACollected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-14 0-1.5

MC50199-12ASW846 7470A 24-APR-17 14:49 MS 24-APR-17 MH EHGMC50199-12ASW846 6010C 25-APR-17 15:30 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-13ACollected: 18-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-14 1.6-3

MC50199-13ASW846 7470A 24-APR-17 14:50 MS 24-APR-17 MH EHGMC50199-13ASW846 6010C 25-APR-17 15:34 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-14ACollected: 18-APR-17 11:30 By: WJ Received: 19-APR-17 By: RLSB-16 0-1

MC50199-14ASW846 7470A 24-APR-17 14:52 MS 24-APR-17 MS EHGMC50199-14ASW846 6010C 25-APR-17 16:17 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-15ACollected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-17 0-1.5

MC50199-15ASW846 7470A 24-APR-17 14:53 MS 24-APR-17 MS EHGMC50199-15ASW846 6010C 25-APR-17 16:22 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-16ACollected: 18-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-17 1.5-3

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-16ASW846 7470A 24-APR-17 14:54 MS 24-APR-17 MS EHGMC50199-16ASW846 6010C 25-APR-17 16:26 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-17ACollected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-18 0-1.5

MC50199-17ASW846 7470A 24-APR-17 14:55 MS 24-APR-17 MH EHGMC50199-17ASW846 6010C 25-APR-17 16:31 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-18ACollected: 18-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-18 1.5-3

MC50199-18ASW846 7470A 24-APR-17 14:57 MS 24-APR-17 MS EHGMC50199-18ASW846 6010C 25-APR-17 16:35 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-19ACollected: 18-APR-17 12:10 By: WJ Received: 19-APR-17 By: RLSB-10 1.5-3

MC50199-19ASW846 7470A 24-APR-17 15:01 MS 24-APR-17 MS EHGMC50199-19ASW846 6010C 25-APR-17 16:39 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-20ACollected: 19-APR-17 09:40 By: WJ Received: 19-APR-17 By: RLSB-7 0-1

MC50199-20ASW846 7470A 24-APR-17 15:03 MS 24-APR-17 MS EHGMC50199-20ASW846 6010C 25-APR-17 16:44 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-21ACollected: 19-APR-17 10:00 By: WJ Received: 19-APR-17 By: RLSB-8 0-1

MC50199-21ASW846 7470A 24-APR-17 15:04 MS 24-APR-17 MH EHGMC50199-21ASW846 6010C 25-APR-17 16:48 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-22ACollected: 19-APR-17 10:30 By: WJ Received: 19-APR-17 By: RLSB-11 0-1

MC50199-22ASW846 7470A 24-APR-17 15:05 MS 24-APR-17 MS EHGMC50199-22ASW846 6010C 25-APR-17 16:53 DE 24-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-23ACollected: 19-APR-17 10:45 By: WJ Received: 19-APR-17 By: RLSB-12 0-1

MC50199-23ASW846 7470A 26-APR-17 13:14 JPM 26-APR-17 JPM EHGMC50199-23ASW846 6010C 27-APR-17 13:44 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-24ACollected: 19-APR-17 10:50 By: WJ Received: 19-APR-17 By: RLSB-13 0-1

MC50199-24ASW846 7470A 26-APR-17 13:15 JPM 26-APR-17 JPM EHGMC50199-24ASW846 6010C 27-APR-17 14:27 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-25ACollected: 19-APR-17 11:00 By: WJ Received: 19-APR-17 By: RLSB-15 0-1

MC50199-25ASW846 7470A 26-APR-17 13:17 JPM 26-APR-17 JPM EHGMC50199-25ASW846 6010C 27-APR-17 14:44 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-26ACollected: 19-APR-17 11:25 By: WJ Received: 19-APR-17 By: RLSB-19 0-1

MC50199-26ASW846 7470A 26-APR-17 13:21 JPM 26-APR-17 JPM EHGMC50199-26ASW846 6010C 27-APR-17 14:47 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-27ACollected: 19-APR-17 11:35 By: WJ Received: 19-APR-17 By: RLSB-20 0-1

MC50199-27ASW846 7470A 26-APR-17 13:22 JPM 26-APR-17 JPM EHGMC50199-27ASW846 6010C 27-APR-17 14:51 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-28ACollected: 19-APR-17 11:40 By: WJ Received: 19-APR-17 By: RLSB-21 0-1

MC50199-28ASW846 7470A 26-APR-17 13:23 JPM 26-APR-17 JPM EHGMC50199-28ASW846 6010C 27-APR-17 14:54 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

MC50199-29ACollected: 19-APR-17 00:00 By: WJ Received: 19-APR-17 By: RLDUP

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SGS Accutest

Internal Sample Tracking Chronicle

SGS Accutest New EnglandJob No: MC50199

BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTProject No: 14EC0048

SampleNumber Method Analyzed By Prepped By Test Codes

MC50199-29ASW846 7470A 26-APR-17 13:25 JPM 26-APR-17 JPM EHGMC50199-29ASW846 6010C 27-APR-17 14:57 ND 26-APR-17 CSF EAG,EAS,EBA,ECD,ECR,EPB,ESE

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QC Evaluation: CT RCP Limits Page 1 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

V3C6214 SW846 8260C

V3C6214-BS 67-64-1 Acetone BSP REC 92 % 70-130V3C6214-BS 107-13-1 Acrylonitrile BSP REC 101 % 70-130V3C6214-BS 71-43-2 Benzene BSP REC 96 % 70-130V3C6214-BS 108-86-1 Bromobenzene BSP REC 90 % 70-130V3C6214-BS 75-27-4 Bromodichloromethane BSP REC 96 % 70-130V3C6214-BS 75-25-2 Bromoform BSP REC 102 % 70-130V3C6214-BS 74-83-9 Bromomethane BSP REC 88 % 70-130V3C6214-BS 78-93-3 2-Butanone (MEK) BSP REC 107 % 70-130V3C6214-BS 104-51-8 n-Butylbenzene BSP REC 94 % 70-130V3C6214-BS 135-98-8 sec-Butylbenzene BSP REC 86 % 70-130V3C6214-BS 98-06-6 tert-Butylbenzene BSP REC 87 % 70-130V3C6214-BS 75-15-0 Carbon disulfide BSP REC 94 % 70-130V3C6214-BS 56-23-5 Carbon tetrachloride BSP REC 89 % 70-130V3C6214-BS 108-90-7 Chlorobenzene BSP REC 99 % 70-130V3C6214-BS 75-00-3 Chloroethane BSP REC 87 % 70-130V3C6214-BS 67-66-3 Chloroform BSP REC 92 % 70-130V3C6214-BS 74-87-3 Chloromethane BSP REC 76 % 70-130V3C6214-BS 95-49-8 o-Chlorotoluene BSP REC 89 % 70-130V3C6214-BS 106-43-4 p-Chlorotoluene BSP REC 94 % 70-130V3C6214-BS 96-12-8 1,2-Dibromo-3-chloropropane BSP REC 92 % 70-130V3C6214-BS 124-48-1 Dibromochloromethane BSP REC 99 % 70-130V3C6214-BS 106-93-4 1,2-Dibromoethane BSP REC 100 % 70-130V3C6214-BS 95-50-1 1,2-Dichlorobenzene BSP REC 93 % 70-130V3C6214-BS 541-73-1 1,3-Dichlorobenzene BSP REC 93 % 70-130V3C6214-BS 106-46-7 1,4-Dichlorobenzene BSP REC 93 % 70-130V3C6214-BS 110-57-6 Trans-1,4-Dichloro-2-Butene BSP REC 92 % 70-130V3C6214-BS 75-71-8 Dichlorodifluoromethane BSP REC 76 % 70-130V3C6214-BS 75-34-3 1,1-Dichloroethane BSP REC 100 % 70-130V3C6214-BS 107-06-2 1,2-Dichloroethane BSP REC 93 % 70-130V3C6214-BS 75-35-4 1,1-Dichloroethene BSP REC 84 % 70-130V3C6214-BS 156-59-2 cis-1,2-Dichloroethene BSP REC 94 % 70-130V3C6214-BS 156-60-5 trans-1,2-Dichloroethene BSP REC 87 % 70-130V3C6214-BS 78-87-5 1,2-Dichloropropane BSP REC 98 % 70-130V3C6214-BS 142-28-9 1,3-Dichloropropane BSP REC 103 % 70-130V3C6214-BS 594-20-7 2,2-Dichloropropane BSP REC 87 % 70-130V3C6214-BS 563-58-6 1,1-Dichloropropene BSP REC 96 % 70-130V3C6214-BS 10061-01-5 cis-1,3-Dichloropropene BSP REC 96 % 70-130V3C6214-BS 10061-02-6 trans-1,3-Dichloropropene BSP REC 100 % 70-130V3C6214-BS 100-41-4 Ethylbenzene BSP REC 96 % 70-130V3C6214-BS 76-13-1 Freon 113 BSP REC 90 % 70-130V3C6214-BS 87-68-3 Hexachlorobutadiene BSP REC 89 % 70-130V3C6214-BS 591-78-6 2-Hexanone BSP REC 103 % 70-130

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 2 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

V3C6214-BS 98-82-8 Isopropylbenzene BSP REC 96 % 70-130V3C6214-BS 99-87-6 p-Isopropyltoluene BSP REC 87 % 70-130V3C6214-BS 1634-04-4 Methyl Tert Butyl Ether BSP REC 89 % 70-130V3C6214-BS 108-10-1 4-Methyl-2-pentanone(MIBK) BSP REC 99 % 70-130V3C6214-BS 74-95-3 Methylene bromide BSP REC 101 % 70-130V3C6214-BS 75-09-2 Methylene chloride BSP REC 96 % 70-130V3C6214-BS 91-20-3 Naphthalene BSP REC 103 % 70-130V3C6214-BS 103-65-1 n-Propylbenzene BSP REC 91 % 70-130V3C6214-BS 100-42-5 Styrene BSP REC 99 % 70-130V3C6214-BS 630-20-6 1,1,1,2-Tetrachloroethane BSP REC 98 % 70-130V3C6214-BS 79-34-5 1,1,2,2-Tetrachloroethane BSP REC 93 % 70-130V3C6214-BS 127-18-4 Tetrachloroethene BSP REC 94 % 70-130V3C6214-BS 109-99-9 Tetrahydrofuran BSP REC 111 % 70-130V3C6214-BS 108-88-3 Toluene BSP REC 101 % 70-130V3C6214-BS 87-61-6 1,2,3-Trichlorobenzene BSP REC 104 % 70-130V3C6214-BS 120-82-1 1,2,4-Trichlorobenzene BSP REC 102 % 70-130V3C6214-BS 71-55-6 1,1,1-Trichloroethane BSP REC 95 % 70-130V3C6214-BS 79-00-5 1,1,2-Trichloroethane BSP REC 106 % 70-130V3C6214-BS 79-01-6 Trichloroethene BSP REC 97 % 70-130V3C6214-BS 75-69-4 Trichlorofluoromethane BSP REC 93 % 70-130V3C6214-BS 96-18-4 1,2,3-Trichloropropane BSP REC 89 % 70-130V3C6214-BS 95-63-6 1,2,4-Trimethylbenzene BSP REC 89 % 70-130V3C6214-BS 108-67-8 1,3,5-Trimethylbenzene BSP REC 89 % 70-130V3C6214-BS 75-01-4 Vinyl chloride BSP REC 83 % 70-130V3C6214-BS m,p-Xylene BSP REC 100 % 70-130V3C6214-BS 95-47-6 o-Xylene BSP REC 93 % 70-130V3C6214-BS 1868-53-7 Dibromofluoromethane BSP SURR 99 % 70-130V3C6214-BS 2037-26-5 Toluene-D8 BSP SURR 106 % 70-130V3C6214-BS 460-00-4 4-Bromofluorobenzene BSP SURR 99 % 70-130V3C6214-MB 1868-53-7 Dibromofluoromethane MB SURR 96 % 70-130V3C6214-MB 2037-26-5 Toluene-D8 MB SURR 106 % 70-130V3C6214-MB 460-00-4 4-Bromofluorobenzene MB SURR 106 % 70-130MC50199-6 1868-53-7 Dibromofluoromethane SAMP SURR 103 % 70-130MC50199-6 2037-26-5 Toluene-D8 SAMP SURR 100 % 70-130MC50199-6 460-00-4 4-Bromofluorobenzene SAMP SURR 113 % 70-130MC50199-7 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-7 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-7 460-00-4 4-Bromofluorobenzene SAMP SURR 112 % 70-130MC50199-8 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-8 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-8 460-00-4 4-Bromofluorobenzene SAMP SURR 111 % 70-130MC50199-10 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-10 2037-26-5 Toluene-D8 SAMP SURR 98 % 70-130MC50199-10 460-00-4 4-Bromofluorobenzene SAMP SURR 112 % 70-130MC50199-13 1868-53-7 Dibromofluoromethane SAMP SURR 104 % 70-130

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QC Evaluation: CT RCP Limits Page 3 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-13 2037-26-5 Toluene-D8 SAMP SURR 98 % 70-130MC50199-13 460-00-4 4-Bromofluorobenzene SAMP SURR 109 % 70-130MC50199-16 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-16 2037-26-5 Toluene-D8 SAMP SURR 94 % 70-130MC50199-16 460-00-4 4-Bromofluorobenzene SAMP SURR 115 % 70-130MC50199-17 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-17 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-17 460-00-4 4-Bromofluorobenzene SAMP SURR 112 % 70-130MC50199-18 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-18 2037-26-5 Toluene-D8 SAMP SURR 98 % 70-130MC50199-18 460-00-4 4-Bromofluorobenzene SAMP SURR 110 % 70-130

VV7075 SW846 8260C

VV7075-BS 67-64-1 Acetone BSP REC 132 % 70-130VV7075-BS 107-13-1 Acrylonitrile BSP REC 104 % 70-130VV7075-BS 71-43-2 Benzene BSP REC 105 % 70-130VV7075-BS 108-86-1 Bromobenzene BSP REC 109 % 70-130VV7075-BS 75-27-4 Bromodichloromethane BSP REC 100 % 70-130VV7075-BS 75-25-2 Bromoform BSP REC 113 % 70-130VV7075-BS 74-83-9 Bromomethane BSP REC 108 % 70-130VV7075-BS 78-93-3 2-Butanone (MEK) BSP REC 128 % 70-130VV7075-BS 104-51-8 n-Butylbenzene BSP REC 105 % 70-130VV7075-BS 135-98-8 sec-Butylbenzene BSP REC 109 % 70-130VV7075-BS 98-06-6 tert-Butylbenzene BSP REC 109 % 70-130VV7075-BS 75-15-0 Carbon disulfide BSP REC 99 % 70-130VV7075-BS 56-23-5 Carbon tetrachloride BSP REC 101 % 70-130VV7075-BS 108-90-7 Chlorobenzene BSP REC 110 % 70-130VV7075-BS 75-00-3 Chloroethane BSP REC 115 % 70-130VV7075-BS 67-66-3 Chloroform BSP REC 97 % 70-130VV7075-BS 74-87-3 Chloromethane BSP REC 108 % 70-130VV7075-BS 95-49-8 o-Chlorotoluene BSP REC 113 % 70-130VV7075-BS 106-43-4 p-Chlorotoluene BSP REC 109 % 70-130VV7075-BS 96-12-8 1,2-Dibromo-3-chloropropane BSP REC 119 % 70-130VV7075-BS 124-48-1 Dibromochloromethane BSP REC 107 % 70-130VV7075-BS 106-93-4 1,2-Dibromoethane BSP REC 107 % 70-130VV7075-BS 95-50-1 1,2-Dichlorobenzene BSP REC 109 % 70-130VV7075-BS 541-73-1 1,3-Dichlorobenzene BSP REC 109 % 70-130VV7075-BS 106-46-7 1,4-Dichlorobenzene BSP REC 106 % 70-130VV7075-BS 110-57-6 Trans-1,4-Dichloro-2-Butene BSP REC 96 % 70-130VV7075-BS 75-71-8 Dichlorodifluoromethane BSP REC 102 % 70-130VV7075-BS 75-34-3 1,1-Dichloroethane BSP REC 106 % 70-130VV7075-BS 107-06-2 1,2-Dichloroethane BSP REC 98 % 70-130VV7075-BS 75-35-4 1,1-Dichloroethene BSP REC 110 % 70-130VV7075-BS 156-59-2 cis-1,2-Dichloroethene BSP REC 104 % 70-130

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 4 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7075-BS 156-60-5 trans-1,2-Dichloroethene BSP REC 105 % 70-130VV7075-BS 78-87-5 1,2-Dichloropropane BSP REC 103 % 70-130VV7075-BS 142-28-9 1,3-Dichloropropane BSP REC 107 % 70-130VV7075-BS 594-20-7 2,2-Dichloropropane BSP REC 104 % 70-130VV7075-BS 563-58-6 1,1-Dichloropropene BSP REC 108 % 70-130VV7075-BS 10061-01-5 cis-1,3-Dichloropropene BSP REC 111 % 70-130VV7075-BS 10061-02-6 trans-1,3-Dichloropropene BSP REC 107 % 70-130VV7075-BS 100-41-4 Ethylbenzene BSP REC 111 % 70-130VV7075-BS 76-13-1 Freon 113 BSP REC 113 % 70-130VV7075-BS 87-68-3 Hexachlorobutadiene BSP REC 120 % 70-130VV7075-BS 591-78-6 2-Hexanone BSP REC 117 % 70-130VV7075-BS 98-82-8 Isopropylbenzene BSP REC 109 % 70-130VV7075-BS 99-87-6 p-Isopropyltoluene BSP REC 113 % 70-130VV7075-BS 1634-04-4 Methyl Tert Butyl Ether BSP REC 104 % 70-130VV7075-BS 108-10-1 4-Methyl-2-pentanone(MIBK) BSP REC 115 % 70-130VV7075-BS 74-95-3 Methylene bromide BSP REC 110 % 70-130VV7075-BS 75-09-2 Methylene chloride BSP REC 98 % 70-130VV7075-BS 91-20-3 Naphthalene BSP REC 118 % 70-130VV7075-BS 103-65-1 n-Propylbenzene BSP REC 112 % 70-130VV7075-BS 100-42-5 Styrene BSP REC 118 % 70-130VV7075-BS 630-20-6 1,1,1,2-Tetrachloroethane BSP REC 108 % 70-130VV7075-BS 79-34-5 1,1,2,2-Tetrachloroethane BSP REC 114 % 70-130VV7075-BS 127-18-4 Tetrachloroethene BSP REC 109 % 70-130VV7075-BS 109-99-9 Tetrahydrofuran BSP REC 96 % 70-130VV7075-BS 108-88-3 Toluene BSP REC 107 % 70-130VV7075-BS 87-61-6 1,2,3-Trichlorobenzene BSP REC 118 % 70-130VV7075-BS 120-82-1 1,2,4-Trichlorobenzene BSP REC 123 % 70-130VV7075-BS 71-55-6 1,1,1-Trichloroethane BSP REC 101 % 70-130VV7075-BS 79-00-5 1,1,2-Trichloroethane BSP REC 109 % 70-130VV7075-BS 79-01-6 Trichloroethene BSP REC 109 % 70-130VV7075-BS 75-69-4 Trichlorofluoromethane BSP REC 106 % 70-130VV7075-BS 96-18-4 1,2,3-Trichloropropane BSP REC 113 % 70-130VV7075-BS 95-63-6 1,2,4-Trimethylbenzene BSP REC 110 % 70-130VV7075-BS 108-67-8 1,3,5-Trimethylbenzene BSP REC 110 % 70-130VV7075-BS 75-01-4 Vinyl chloride BSP REC 111 % 70-130VV7075-BS m,p-Xylene BSP REC 118 % 70-130VV7075-BS 95-47-6 o-Xylene BSP REC 113 % 70-130VV7075-BS 1868-53-7 Dibromofluoromethane BSP SURR 98 % 70-130VV7075-BS 2037-26-5 Toluene-D8 BSP SURR 98 % 70-130VV7075-BS 460-00-4 4-Bromofluorobenzene BSP SURR 96 % 70-130VV7075-BSD 67-64-1 Acetone BSD REC 112 % 70-130VV7075-BSD 67-64-1 Acetone BSD RPD 17 % 20VV7075-BSD 107-13-1 Acrylonitrile BSD REC 104 % 70-130VV7075-BSD 107-13-1 Acrylonitrile BSD RPD 0 % 20VV7075-BSD 71-43-2 Benzene BSD REC 100 % 70-130

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 5 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7075-BSD 71-43-2 Benzene BSD RPD 5 % 20VV7075-BSD 108-86-1 Bromobenzene BSD REC 103 % 70-130VV7075-BSD 108-86-1 Bromobenzene BSD RPD 6 % 20VV7075-BSD 75-27-4 Bromodichloromethane BSD REC 98 % 70-130VV7075-BSD 75-27-4 Bromodichloromethane BSD RPD 3 % 20VV7075-BSD 75-25-2 Bromoform BSD REC 113 % 70-130VV7075-BSD 75-25-2 Bromoform BSD RPD 0 % 20VV7075-BSD 74-83-9 Bromomethane BSD REC 100 % 70-130VV7075-BSD 74-83-9 Bromomethane BSD RPD 8 % 20VV7075-BSD 78-93-3 2-Butanone (MEK) BSD REC 119 % 70-130VV7075-BSD 78-93-3 2-Butanone (MEK) BSD RPD 7 % 20VV7075-BSD 104-51-8 n-Butylbenzene BSD REC 95 % 70-130VV7075-BSD 104-51-8 n-Butylbenzene BSD RPD 10 % 20VV7075-BSD 135-98-8 sec-Butylbenzene BSD REC 101 % 70-130VV7075-BSD 135-98-8 sec-Butylbenzene BSD RPD 7 % 20VV7075-BSD 98-06-6 tert-Butylbenzene BSD REC 101 % 70-130VV7075-BSD 98-06-6 tert-Butylbenzene BSD RPD 8 % 20VV7075-BSD 75-15-0 Carbon disulfide BSD REC 91 % 70-130VV7075-BSD 75-15-0 Carbon disulfide BSD RPD 8 % 20VV7075-BSD 56-23-5 Carbon tetrachloride BSD REC 91 % 70-130VV7075-BSD 56-23-5 Carbon tetrachloride BSD RPD 11 % 20VV7075-BSD 108-90-7 Chlorobenzene BSD REC 103 % 70-130VV7075-BSD 108-90-7 Chlorobenzene BSD RPD 7 % 20VV7075-BSD 75-00-3 Chloroethane BSD REC 103 % 70-130VV7075-BSD 75-00-3 Chloroethane BSD RPD 10 % 20VV7075-BSD 67-66-3 Chloroform BSD REC 89 % 70-130VV7075-BSD 67-66-3 Chloroform BSD RPD 8 % 20VV7075-BSD 74-87-3 Chloromethane BSD REC 102 % 70-130VV7075-BSD 74-87-3 Chloromethane BSD RPD 6 % 20VV7075-BSD 95-49-8 o-Chlorotoluene BSD REC 107 % 70-130VV7075-BSD 95-49-8 o-Chlorotoluene BSD RPD 6 % 20VV7075-BSD 106-43-4 p-Chlorotoluene BSD REC 103 % 70-130VV7075-BSD 106-43-4 p-Chlorotoluene BSD RPD 6 % 20VV7075-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD REC 122 % 70-130VV7075-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD RPD 2 % 20VV7075-BSD 124-48-1 Dibromochloromethane BSD REC 104 % 70-130VV7075-BSD 124-48-1 Dibromochloromethane BSD RPD 3 % 20VV7075-BSD 106-93-4 1,2-Dibromoethane BSD REC 104 % 70-130VV7075-BSD 106-93-4 1,2-Dibromoethane BSD RPD 2 % 20VV7075-BSD 95-50-1 1,2-Dichlorobenzene BSD REC 105 % 70-130VV7075-BSD 95-50-1 1,2-Dichlorobenzene BSD RPD 4 % 20VV7075-BSD 541-73-1 1,3-Dichlorobenzene BSD REC 102 % 70-130VV7075-BSD 541-73-1 1,3-Dichlorobenzene BSD RPD 6 % 20VV7075-BSD 106-46-7 1,4-Dichlorobenzene BSD REC 100 % 70-130VV7075-BSD 106-46-7 1,4-Dichlorobenzene BSD RPD 6 % 20

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QC Evaluation: CT RCP Limits Page 6 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7075-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD REC 96 % 70-130VV7075-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD RPD 0 % 20VV7075-BSD 75-71-8 Dichlorodifluoromethane BSD REC 90 % 70-130VV7075-BSD 75-71-8 Dichlorodifluoromethane BSD RPD 12 % 20VV7075-BSD 75-34-3 1,1-Dichloroethane BSD REC 96 % 70-130VV7075-BSD 75-34-3 1,1-Dichloroethane BSD RPD 10 % 20VV7075-BSD 107-06-2 1,2-Dichloroethane BSD REC 97 % 70-130VV7075-BSD 107-06-2 1,2-Dichloroethane BSD RPD 2 % 20VV7075-BSD 75-35-4 1,1-Dichloroethene BSD REC 92 % 70-130VV7075-BSD 75-35-4 1,1-Dichloroethene BSD RPD 18 % 20VV7075-BSD 156-59-2 cis-1,2-Dichloroethene BSD REC 98 % 70-130VV7075-BSD 156-59-2 cis-1,2-Dichloroethene BSD RPD 6 % 20VV7075-BSD 156-60-5 trans-1,2-Dichloroethene BSD REC 94 % 70-130VV7075-BSD 156-60-5 trans-1,2-Dichloroethene BSD RPD 10 % 20VV7075-BSD 78-87-5 1,2-Dichloropropane BSD REC 99 % 70-130VV7075-BSD 78-87-5 1,2-Dichloropropane BSD RPD 4 % 20VV7075-BSD 142-28-9 1,3-Dichloropropane BSD REC 102 % 70-130VV7075-BSD 142-28-9 1,3-Dichloropropane BSD RPD 5 % 20VV7075-BSD 594-20-7 2,2-Dichloropropane BSD REC 94 % 70-130VV7075-BSD 594-20-7 2,2-Dichloropropane BSD RPD 10 % 20VV7075-BSD 563-58-6 1,1-Dichloropropene BSD REC 96 % 70-130VV7075-BSD 563-58-6 1,1-Dichloropropene BSD RPD 11 % 20VV7075-BSD 10061-01-5 cis-1,3-Dichloropropene BSD REC 107 % 70-130VV7075-BSD 10061-01-5 cis-1,3-Dichloropropene BSD RPD 4 % 20VV7075-BSD 10061-02-6 trans-1,3-Dichloropropene BSD REC 103 % 70-130VV7075-BSD 10061-02-6 trans-1,3-Dichloropropene BSD RPD 4 % 20VV7075-BSD 100-41-4 Ethylbenzene BSD REC 102 % 70-130VV7075-BSD 100-41-4 Ethylbenzene BSD RPD 9 % 20VV7075-BSD 76-13-1 Freon 113 BSD REC 106 % 70-130VV7075-BSD 76-13-1 Freon 113 BSD RPD 7 % 20VV7075-BSD 87-68-3 Hexachlorobutadiene BSD REC 114 % 70-130VV7075-BSD 87-68-3 Hexachlorobutadiene BSD RPD 5 % 20VV7075-BSD 591-78-6 2-Hexanone BSD REC 114 % 70-130VV7075-BSD 591-78-6 2-Hexanone BSD RPD 2 % 20VV7075-BSD 98-82-8 Isopropylbenzene BSD REC 102 % 70-130VV7075-BSD 98-82-8 Isopropylbenzene BSD RPD 7 % 20VV7075-BSD 99-87-6 p-Isopropyltoluene BSD REC 104 % 70-130VV7075-BSD 99-87-6 p-Isopropyltoluene BSD RPD 9 % 20VV7075-BSD 1634-04-4 Methyl Tert Butyl Ether BSD REC 104 % 70-130VV7075-BSD 1634-04-4 Methyl Tert Butyl Ether BSD RPD 0 % 20VV7075-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD REC 117 % 70-130VV7075-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD RPD 2 % 20VV7075-BSD 74-95-3 Methylene bromide BSD REC 107 % 70-130VV7075-BSD 74-95-3 Methylene bromide BSD RPD 3 % 20VV7075-BSD 75-09-2 Methylene chloride BSD REC 94 % 70-130

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QC Evaluation: CT RCP Limits Page 7 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7075-BSD 75-09-2 Methylene chloride BSD RPD 5 % 20VV7075-BSD 91-20-3 Naphthalene BSD REC 119 % 70-130VV7075-BSD 91-20-3 Naphthalene BSD RPD 1 % 20VV7075-BSD 103-65-1 n-Propylbenzene BSD REC 102 % 70-130VV7075-BSD 103-65-1 n-Propylbenzene BSD RPD 10 % 20VV7075-BSD 100-42-5 Styrene BSD REC 110 % 70-130VV7075-BSD 100-42-5 Styrene BSD RPD 7 % 20VV7075-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD REC 103 % 70-130VV7075-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD RPD 4 % 20VV7075-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD REC 111 % 70-130VV7075-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD RPD 2 % 20VV7075-BSD 127-18-4 Tetrachloroethene BSD REC 98 % 70-130VV7075-BSD 127-18-4 Tetrachloroethene BSD RPD 11 % 20VV7075-BSD 109-99-9 Tetrahydrofuran BSD REC 94 % 70-130VV7075-BSD 109-99-9 Tetrahydrofuran BSD RPD 2 % 20VV7075-BSD 108-88-3 Toluene BSD REC 100 % 70-130VV7075-BSD 108-88-3 Toluene BSD RPD 7 % 20VV7075-BSD 87-61-6 1,2,3-Trichlorobenzene BSD REC 117 % 70-130VV7075-BSD 87-61-6 1,2,3-Trichlorobenzene BSD RPD 1 % 20VV7075-BSD 120-82-1 1,2,4-Trichlorobenzene BSD REC 118 % 70-130VV7075-BSD 120-82-1 1,2,4-Trichlorobenzene BSD RPD 4 % 20VV7075-BSD 71-55-6 1,1,1-Trichloroethane BSD REC 90 % 70-130VV7075-BSD 71-55-6 1,1,1-Trichloroethane BSD RPD 12 % 20VV7075-BSD 79-00-5 1,1,2-Trichloroethane BSD REC 105 % 70-130VV7075-BSD 79-00-5 1,1,2-Trichloroethane BSD RPD 4 % 20VV7075-BSD 79-01-6 Trichloroethene BSD REC 102 % 70-130VV7075-BSD 79-01-6 Trichloroethene BSD RPD 6 % 20VV7075-BSD 75-69-4 Trichlorofluoromethane BSD REC 95 % 70-130VV7075-BSD 75-69-4 Trichlorofluoromethane BSD RPD 11 % 20VV7075-BSD 96-18-4 1,2,3-Trichloropropane BSD REC 108 % 70-130VV7075-BSD 96-18-4 1,2,3-Trichloropropane BSD RPD 5 % 20VV7075-BSD 95-63-6 1,2,4-Trimethylbenzene BSD REC 102 % 70-130VV7075-BSD 95-63-6 1,2,4-Trimethylbenzene BSD RPD 8 % 20VV7075-BSD 108-67-8 1,3,5-Trimethylbenzene BSD REC 101 % 70-130VV7075-BSD 108-67-8 1,3,5-Trimethylbenzene BSD RPD 9 % 20VV7075-BSD 75-01-4 Vinyl chloride BSD REC 102 % 70-130VV7075-BSD 75-01-4 Vinyl chloride BSD RPD 8 % 20VV7075-BSD m,p-Xylene BSD REC 109 % 70-130VV7075-BSD m,p-Xylene BSD RPD 8 % 20VV7075-BSD 95-47-6 o-Xylene BSD REC 107 % 70-130VV7075-BSD 95-47-6 o-Xylene BSD RPD 5 % 20VV7075-BSD 1868-53-7 Dibromofluoromethane BSD SURR 97 % 70-130VV7075-BSD 2037-26-5 Toluene-D8 BSD SURR 99 % 70-130VV7075-BSD 460-00-4 4-Bromofluorobenzene BSD SURR 97 % 70-130MC50199-23MS 67-64-1 Acetone MS REC 79 % 70-130

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QC Evaluation: CT RCP Limits Page 8 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-23MS 107-13-1 Acrylonitrile MS REC 70 % 70-130MC50199-23MS 71-43-2 Benzene MS REC 89 % 70-130MC50199-23MS 108-86-1 Bromobenzene MS REC 72 % 70-130MC50199-23MS 75-27-4 Bromodichloromethane MS REC 84 % 70-130MC50199-23MS 75-25-2 Bromoform MS REC 81 % 70-130MC50199-23MS 74-83-9 Bromomethane MS REC 103 % 70-130MC50199-23MS 78-93-3 2-Butanone (MEK) MS REC 83 % 70-130MC50199-23MS 104-51-8 n-Butylbenzene MS REC 44 % 70-130MC50199-23MS 135-98-8 sec-Butylbenzene MS REC 58 % 70-130MC50199-23MS 98-06-6 tert-Butylbenzene MS REC 66 % 70-130MC50199-23MS 75-15-0 Carbon disulfide MS REC 90 % 70-130MC50199-23MS 56-23-5 Carbon tetrachloride MS REC 86 % 70-130MC50199-23MS 108-90-7 Chlorobenzene MS REC 80 % 70-130MC50199-23MS 75-00-3 Chloroethane MS REC 114 % 70-130MC50199-23MS 67-66-3 Chloroform MS REC 86 % 70-130MC50199-23MS 74-87-3 Chloromethane MS REC 111 % 70-130MC50199-23MS 95-49-8 o-Chlorotoluene MS REC 70 % 70-130MC50199-23MS 106-43-4 p-Chlorotoluene MS REC 66 % 70-130MC50199-23MS 96-12-8 1,2-Dibromo-3-chloropropane MS REC 79 % 70-130MC50199-23MS 124-48-1 Dibromochloromethane MS REC 82 % 70-130MC50199-23MS 106-93-4 1,2-Dibromoethane MS REC 81 % 70-130MC50199-23MS 95-50-1 1,2-Dichlorobenzene MS REC 60 % 70-130MC50199-23MS 541-73-1 1,3-Dichlorobenzene MS REC 61 % 70-130MC50199-23MS 106-46-7 1,4-Dichlorobenzene MS REC 59 % 70-130MC50199-23MS 110-57-6 Trans-1,4-Dichloro-2-Butene MS REC 56 % 70-130MC50199-23MS 75-71-8 Dichlorodifluoromethane MS REC 101 % 70-130MC50199-23MS 75-34-3 1,1-Dichloroethane MS REC 94 % 70-130MC50199-23MS 107-06-2 1,2-Dichloroethane MS REC 81 % 70-130MC50199-23MS 75-35-4 1,1-Dichloroethene MS REC 88 % 70-130MC50199-23MS 156-59-2 cis-1,2-Dichloroethene MS REC 92 % 70-130MC50199-23MS 156-60-5 trans-1,2-Dichloroethene MS REC 93 % 70-130MC50199-23MS 78-87-5 1,2-Dichloropropane MS REC 87 % 70-130MC50199-23MS 142-28-9 1,3-Dichloropropane MS REC 82 % 70-130MC50199-23MS 594-20-7 2,2-Dichloropropane MS REC 78 % 70-130MC50199-23MS 563-58-6 1,1-Dichloropropene MS REC 88 % 70-130MC50199-23MS 10061-01-5 cis-1,3-Dichloropropene MS REC 83 % 70-130MC50199-23MS 10061-02-6 trans-1,3-Dichloropropene MS REC 76 % 70-130MC50199-23MS 100-41-4 Ethylbenzene MS REC 80 % 70-130MC50199-23MS 76-13-1 Freon 113 MS REC 105 % 70-130MC50199-23MS 87-68-3 Hexachlorobutadiene MS REC 33 % 70-130MC50199-23MS 591-78-6 2-Hexanone MS REC 67 % 70-130MC50199-23MS 98-82-8 Isopropylbenzene MS REC 71 % 70-130MC50199-23MS 99-87-6 p-Isopropyltoluene MS REC 60 % 70-130MC50199-23MS 1634-04-4 Methyl Tert Butyl Ether MS REC 92 % 70-130MC50199-23MS 108-10-1 4-Methyl-2-pentanone(MIBK) MS REC 79 % 70-130

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QC Evaluation: CT RCP Limits Page 9 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-23MS 74-95-3 Methylene bromide MS REC 88 % 70-130MC50199-23MS 75-09-2 Methylene chloride MS REC 91 % 70-130MC50199-23MS 91-20-3 Naphthalene MS REC 44 % 70-130MC50199-23MS 103-65-1 n-Propylbenzene MS REC 68 % 70-130MC50199-23MS 100-42-5 Styrene MS REC 77 % 70-130MC50199-23MS 630-20-6 1,1,1,2-Tetrachloroethane MS REC 84 % 70-130MC50199-23MS 79-34-5 1,1,2,2-Tetrachloroethane MS REC 80 % 70-130MC50199-23MS 127-18-4 Tetrachloroethene MS REC 78 % 70-130MC50199-23MS 109-99-9 Tetrahydrofuran MS REC 72 % 70-130MC50199-23MS 108-88-3 Toluene MS REC 84 % 70-130MC50199-23MS 87-61-6 1,2,3-Trichlorobenzene MS REC 35 % 70-130MC50199-23MS 120-82-1 1,2,4-Trichlorobenzene MS REC 39 % 70-130MC50199-23MS 71-55-6 1,1,1-Trichloroethane MS REC 87 % 70-130MC50199-23MS 79-00-5 1,1,2-Trichloroethane MS REC 84 % 70-130MC50199-23MS 79-01-6 Trichloroethene MS REC 86 % 70-130MC50199-23MS 75-69-4 Trichlorofluoromethane MS REC 99 % 70-130MC50199-23MS 96-18-4 1,2,3-Trichloropropane MS REC 82 % 70-130MC50199-23MS 95-63-6 1,2,4-Trimethylbenzene MS REC 67 % 70-130MC50199-23MS 108-67-8 1,3,5-Trimethylbenzene MS REC 68 % 70-130MC50199-23MS 75-01-4 Vinyl chloride MS REC 114 % 70-130MC50199-23MS m,p-Xylene MS REC 83 % 70-130MC50199-23MS 95-47-6 o-Xylene MS REC 81 % 70-130MC50199-23MS 1868-53-7 Dibromofluoromethane MS SURR 99 % 70-130MC50199-23MS 2037-26-5 Toluene-D8 MS SURR 97 % 70-130MC50199-23MS 460-00-4 4-Bromofluorobenzene MS SURR 93 % 70-130MC50199-22DUP 67-64-1 Acetone DUP RPD 0 % 30MC50199-22DUP 107-13-1 Acrylonitrile DUP RPD 0 % 30MC50199-22DUP 71-43-2 Benzene DUP RPD 0 % 30MC50199-22DUP 108-86-1 Bromobenzene DUP RPD 0 % 30MC50199-22DUP 75-27-4 Bromodichloromethane DUP RPD 0 % 30MC50199-22DUP 75-25-2 Bromoform DUP RPD 0 % 30MC50199-22DUP 74-83-9 Bromomethane DUP RPD 0 % 30MC50199-22DUP 78-93-3 2-Butanone (MEK) DUP RPD 0 % 30MC50199-22DUP 104-51-8 n-Butylbenzene DUP RPD 0 % 30MC50199-22DUP 135-98-8 sec-Butylbenzene DUP RPD 0 % 30MC50199-22DUP 98-06-6 tert-Butylbenzene DUP RPD 0 % 30MC50199-22DUP 75-15-0 Carbon disulfide DUP RPD 0 % 30MC50199-22DUP 56-23-5 Carbon tetrachloride DUP RPD 0 % 30MC50199-22DUP 108-90-7 Chlorobenzene DUP RPD 0 % 30MC50199-22DUP 75-00-3 Chloroethane DUP RPD 0 % 30MC50199-22DUP 67-66-3 Chloroform DUP RPD 0 % 30MC50199-22DUP 74-87-3 Chloromethane DUP RPD 0 % 30MC50199-22DUP 95-49-8 o-Chlorotoluene DUP RPD 0 % 30MC50199-22DUP 106-43-4 p-Chlorotoluene DUP RPD 0 % 30MC50199-22DUP 96-12-8 1,2-Dibromo-3-chloropropane DUP RPD 0 % 30

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QC Evaluation: CT RCP Limits Page 10 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-22DUP 124-48-1 Dibromochloromethane DUP RPD 0 % 30MC50199-22DUP 106-93-4 1,2-Dibromoethane DUP RPD 0 % 30MC50199-22DUP 95-50-1 1,2-Dichlorobenzene DUP RPD 0 % 30MC50199-22DUP 541-73-1 1,3-Dichlorobenzene DUP RPD 0 % 30MC50199-22DUP 106-46-7 1,4-Dichlorobenzene DUP RPD 0 % 30MC50199-22DUP 110-57-6 Trans-1,4-Dichloro-2-Butene DUP RPD 0 % 30MC50199-22DUP 75-71-8 Dichlorodifluoromethane DUP RPD 0 % 30MC50199-22DUP 75-34-3 1,1-Dichloroethane DUP RPD 0 % 30MC50199-22DUP 107-06-2 1,2-Dichloroethane DUP RPD 0 % 30MC50199-22DUP 75-35-4 1,1-Dichloroethene DUP RPD 0 % 30MC50199-22DUP 156-59-2 cis-1,2-Dichloroethene DUP RPD 0 % 30MC50199-22DUP 156-60-5 trans-1,2-Dichloroethene DUP RPD 0 % 30MC50199-22DUP 78-87-5 1,2-Dichloropropane DUP RPD 0 % 30MC50199-22DUP 142-28-9 1,3-Dichloropropane DUP RPD 0 % 30MC50199-22DUP 594-20-7 2,2-Dichloropropane DUP RPD 0 % 30MC50199-22DUP 563-58-6 1,1-Dichloropropene DUP RPD 0 % 30MC50199-22DUP 10061-01-5 cis-1,3-Dichloropropene DUP RPD 0 % 30MC50199-22DUP 10061-02-6 trans-1,3-Dichloropropene DUP RPD 0 % 30MC50199-22DUP 100-41-4 Ethylbenzene DUP RPD 0 % 30MC50199-22DUP 76-13-1 Freon 113 DUP RPD 0 % 30MC50199-22DUP 87-68-3 Hexachlorobutadiene DUP RPD 0 % 30MC50199-22DUP 591-78-6 2-Hexanone DUP RPD 0 % 30MC50199-22DUP 98-82-8 Isopropylbenzene DUP RPD 0 % 30MC50199-22DUP 99-87-6 p-Isopropyltoluene DUP RPD 0 % 30MC50199-22DUP 1634-04-4 Methyl Tert Butyl Ether DUP RPD 0 % 30MC50199-22DUP 108-10-1 4-Methyl-2-pentanone(MIBK) DUP RPD 0 % 30MC50199-22DUP 74-95-3 Methylene bromide DUP RPD 0 % 30MC50199-22DUP 75-09-2 Methylene chloride DUP RPD 0 % 30MC50199-22DUP 91-20-3 Naphthalene DUP RPD 0 % 30MC50199-22DUP 103-65-1 n-Propylbenzene DUP RPD 0 % 30MC50199-22DUP 100-42-5 Styrene DUP RPD 0 % 30MC50199-22DUP 630-20-6 1,1,1,2-Tetrachloroethane DUP RPD 0 % 30MC50199-22DUP 79-34-5 1,1,2,2-Tetrachloroethane DUP RPD 0 % 30MC50199-22DUP 127-18-4 Tetrachloroethene DUP RPD 0 % 30MC50199-22DUP 109-99-9 Tetrahydrofuran DUP RPD 0 % 30MC50199-22DUP 108-88-3 Toluene DUP RPD 0 % 30MC50199-22DUP 87-61-6 1,2,3-Trichlorobenzene DUP RPD 0 % 30MC50199-22DUP 120-82-1 1,2,4-Trichlorobenzene DUP RPD 0 % 30MC50199-22DUP 71-55-6 1,1,1-Trichloroethane DUP RPD 0 % 30MC50199-22DUP 79-00-5 1,1,2-Trichloroethane DUP RPD 0 % 30MC50199-22DUP 79-01-6 Trichloroethene DUP RPD 0 % 30MC50199-22DUP 75-69-4 Trichlorofluoromethane DUP RPD 0 % 30MC50199-22DUP 96-18-4 1,2,3-Trichloropropane DUP RPD 0 % 30MC50199-22DUP 95-63-6 1,2,4-Trimethylbenzene DUP RPD 0 % 30MC50199-22DUP 108-67-8 1,3,5-Trimethylbenzene DUP RPD 0 % 30

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QC Evaluation: CT RCP Limits Page 11 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-22DUP 75-01-4 Vinyl chloride DUP RPD 0 % 30MC50199-22DUP m,p-Xylene DUP RPD 0 % 30MC50199-22DUP 95-47-6 o-Xylene DUP RPD 0 % 30MC50199-22DUP 1868-53-7 Dibromofluoromethane DUP SURR 104 % 70-130MC50199-22DUP 2037-26-5 Toluene-D8 DUP SURR 97 % 70-130MC50199-22DUP 460-00-4 4-Bromofluorobenzene DUP SURR 98 % 70-130VV7075-MB 1868-53-7 Dibromofluoromethane MB SURR 109 % 70-130VV7075-MB 2037-26-5 Toluene-D8 MB SURR 95 % 70-130VV7075-MB 460-00-4 4-Bromofluorobenzene MB SURR 94 % 70-130MC50199-4 1868-53-7 Dibromofluoromethane SAMP SURR 103 % 70-130MC50199-4 2037-26-5 Toluene-D8 SAMP SURR 96 % 70-130MC50199-4 460-00-4 4-Bromofluorobenzene SAMP SURR 97 % 70-130MC50199-21 1868-53-7 Dibromofluoromethane SAMP SURR 104 % 70-130MC50199-21 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-21 460-00-4 4-Bromofluorobenzene SAMP SURR 96 % 70-130MC50199-22 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-22 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-22 460-00-4 4-Bromofluorobenzene SAMP SURR 94 % 70-130MC50199-23 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-23 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-23 460-00-4 4-Bromofluorobenzene SAMP SURR 94 % 70-130MC50199-24 1868-53-7 Dibromofluoromethane SAMP SURR 104 % 70-130MC50199-24 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-24 460-00-4 4-Bromofluorobenzene SAMP SURR 97 % 70-130MC50199-25 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-25 2037-26-5 Toluene-D8 SAMP SURR 95 % 70-130MC50199-25 460-00-4 4-Bromofluorobenzene SAMP SURR 92 % 70-130MC50199-26 1868-53-7 Dibromofluoromethane SAMP SURR 107 % 70-130MC50199-26 2037-26-5 Toluene-D8 SAMP SURR 96 % 70-130MC50199-26 460-00-4 4-Bromofluorobenzene SAMP SURR 93 % 70-130MC50199-27 1868-53-7 Dibromofluoromethane SAMP SURR 108 % 70-130MC50199-27 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-27 460-00-4 4-Bromofluorobenzene SAMP SURR 93 % 70-130MC50199-28 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-28 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-28 460-00-4 4-Bromofluorobenzene SAMP SURR 93 % 70-130MC50199-30 1868-53-7 Dibromofluoromethane SAMP SURR 103 % 70-130MC50199-30 2037-26-5 Toluene-D8 SAMP SURR 96 % 70-130MC50199-30 460-00-4 4-Bromofluorobenzene SAMP SURR 95 % 70-130

VV7077 SW846 8260C

VV7077-BS 67-64-1 Acetone BSP REC 101 % 70-130VV7077-BS 107-13-1 Acrylonitrile BSP REC 98 % 70-130VV7077-BS 71-43-2 Benzene BSP REC 101 % 70-130

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QC Evaluation: CT RCP Limits Page 12 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7077-BS 108-86-1 Bromobenzene BSP REC 109 % 70-130VV7077-BS 75-27-4 Bromodichloromethane BSP REC 99 % 70-130VV7077-BS 75-25-2 Bromoform BSP REC 116 % 70-130VV7077-BS 74-83-9 Bromomethane BSP REC 122 % 70-130VV7077-BS 78-93-3 2-Butanone (MEK) BSP REC 117 % 70-130VV7077-BS 104-51-8 n-Butylbenzene BSP REC 94 % 70-130VV7077-BS 135-98-8 sec-Butylbenzene BSP REC 102 % 70-130VV7077-BS 98-06-6 tert-Butylbenzene BSP REC 103 % 70-130VV7077-BS 75-15-0 Carbon disulfide BSP REC 96 % 70-130VV7077-BS 56-23-5 Carbon tetrachloride BSP REC 99 % 70-130VV7077-BS 108-90-7 Chlorobenzene BSP REC 106 % 70-130VV7077-BS 75-00-3 Chloroethane BSP REC 119 % 70-130VV7077-BS 67-66-3 Chloroform BSP REC 93 % 70-130VV7077-BS 74-87-3 Chloromethane BSP REC 112 % 70-130VV7077-BS 95-49-8 o-Chlorotoluene BSP REC 107 % 70-130VV7077-BS 106-43-4 p-Chlorotoluene BSP REC 103 % 70-130VV7077-BS 96-12-8 1,2-Dibromo-3-chloropropane BSP REC 122 % 70-130VV7077-BS 124-48-1 Dibromochloromethane BSP REC 107 % 70-130VV7077-BS 106-93-4 1,2-Dibromoethane BSP REC 103 % 70-130VV7077-BS 95-50-1 1,2-Dichlorobenzene BSP REC 109 % 70-130VV7077-BS 541-73-1 1,3-Dichlorobenzene BSP REC 107 % 70-130VV7077-BS 106-46-7 1,4-Dichlorobenzene BSP REC 103 % 70-130VV7077-BS 110-57-6 Trans-1,4-Dichloro-2-Butene BSP REC 85 % 70-130VV7077-BS 75-71-8 Dichlorodifluoromethane BSP REC 90 % 70-130VV7077-BS 75-34-3 1,1-Dichloroethane BSP REC 99 % 70-130VV7077-BS 107-06-2 1,2-Dichloroethane BSP REC 96 % 70-130VV7077-BS 75-35-4 1,1-Dichloroethene BSP REC 91 % 70-130VV7077-BS 156-59-2 cis-1,2-Dichloroethene BSP REC 104 % 70-130VV7077-BS 156-60-5 trans-1,2-Dichloroethene BSP REC 96 % 70-130VV7077-BS 78-87-5 1,2-Dichloropropane BSP REC 97 % 70-130VV7077-BS 142-28-9 1,3-Dichloropropane BSP REC 101 % 70-130VV7077-BS 594-20-7 2,2-Dichloropropane BSP REC 96 % 70-130VV7077-BS 563-58-6 1,1-Dichloropropene BSP REC 97 % 70-130VV7077-BS 10061-01-5 cis-1,3-Dichloropropene BSP REC 106 % 70-130VV7077-BS 10061-02-6 trans-1,3-Dichloropropene BSP REC 98 % 70-130VV7077-BS 100-41-4 Ethylbenzene BSP REC 102 % 70-130VV7077-BS 76-13-1 Freon 113 BSP REC 119 % 70-130VV7077-BS 87-68-3 Hexachlorobutadiene BSP REC 118 % 70-130VV7077-BS 591-78-6 2-Hexanone BSP REC 105 % 70-130VV7077-BS 98-82-8 Isopropylbenzene BSP REC 103 % 70-130VV7077-BS 99-87-6 p-Isopropyltoluene BSP REC 107 % 70-130VV7077-BS 1634-04-4 Methyl Tert Butyl Ether BSP REC 104 % 70-130VV7077-BS 108-10-1 4-Methyl-2-pentanone(MIBK) BSP REC 114 % 70-130VV7077-BS 74-95-3 Methylene bromide BSP REC 110 % 70-130VV7077-BS 75-09-2 Methylene chloride BSP REC 98 % 70-130

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QC Evaluation: CT RCP Limits Page 13 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7077-BS 91-20-3 Naphthalene BSP REC 116 % 70-130VV7077-BS 103-65-1 n-Propylbenzene BSP REC 103 % 70-130VV7077-BS 100-42-5 Styrene BSP REC 112 % 70-130VV7077-BS 630-20-6 1,1,1,2-Tetrachloroethane BSP REC 108 % 70-130VV7077-BS 79-34-5 1,1,2,2-Tetrachloroethane BSP REC 108 % 70-130VV7077-BS 127-18-4 Tetrachloroethene BSP REC 106 % 70-130VV7077-BS 109-99-9 Tetrahydrofuran BSP REC 88 % 70-130VV7077-BS 108-88-3 Toluene BSP REC 101 % 70-130VV7077-BS 87-61-6 1,2,3-Trichlorobenzene BSP REC 118 % 70-130VV7077-BS 120-82-1 1,2,4-Trichlorobenzene BSP REC 122 % 70-130VV7077-BS 71-55-6 1,1,1-Trichloroethane BSP REC 98 % 70-130VV7077-BS 79-00-5 1,1,2-Trichloroethane BSP REC 101 % 70-130VV7077-BS 79-01-6 Trichloroethene BSP REC 103 % 70-130VV7077-BS 75-69-4 Trichlorofluoromethane BSP REC 106 % 70-130VV7077-BS 96-18-4 1,2,3-Trichloropropane BSP REC 108 % 70-130VV7077-BS 95-63-6 1,2,4-Trimethylbenzene BSP REC 104 % 70-130VV7077-BS 108-67-8 1,3,5-Trimethylbenzene BSP REC 103 % 70-130VV7077-BS 75-01-4 Vinyl chloride BSP REC 114 % 70-130VV7077-BS m,p-Xylene BSP REC 112 % 70-130VV7077-BS 95-47-6 o-Xylene BSP REC 107 % 70-130VV7077-BS 1868-53-7 Dibromofluoromethane BSP SURR 99 % 70-130VV7077-BS 2037-26-5 Toluene-D8 BSP SURR 92 % 70-130VV7077-BS 460-00-4 4-Bromofluorobenzene BSP SURR 93 % 70-130VV7077-BSD 67-64-1 Acetone BSD REC 94 % 70-130VV7077-BSD 67-64-1 Acetone BSD RPD 7 % 20VV7077-BSD 107-13-1 Acrylonitrile BSD REC 92 % 70-130VV7077-BSD 107-13-1 Acrylonitrile BSD RPD 7 % 20VV7077-BSD 71-43-2 Benzene BSD REC 100 % 70-130VV7077-BSD 71-43-2 Benzene BSD RPD 1 % 20VV7077-BSD 108-86-1 Bromobenzene BSD REC 105 % 70-130VV7077-BSD 108-86-1 Bromobenzene BSD RPD 4 % 20VV7077-BSD 75-27-4 Bromodichloromethane BSD REC 98 % 70-130VV7077-BSD 75-27-4 Bromodichloromethane BSD RPD 1 % 20VV7077-BSD 75-25-2 Bromoform BSD REC 118 % 70-130VV7077-BSD 75-25-2 Bromoform BSD RPD 2 % 20VV7077-BSD 74-83-9 Bromomethane BSD REC 117 % 70-130VV7077-BSD 74-83-9 Bromomethane BSD RPD 4 % 20VV7077-BSD 78-93-3 2-Butanone (MEK) BSD REC 109 % 70-130VV7077-BSD 78-93-3 2-Butanone (MEK) BSD RPD 7 % 20VV7077-BSD 104-51-8 n-Butylbenzene BSD REC 91 % 70-130VV7077-BSD 104-51-8 n-Butylbenzene BSD RPD 4 % 20VV7077-BSD 135-98-8 sec-Butylbenzene BSD REC 98 % 70-130VV7077-BSD 135-98-8 sec-Butylbenzene BSD RPD 4 % 20VV7077-BSD 98-06-6 tert-Butylbenzene BSD REC 101 % 70-130VV7077-BSD 98-06-6 tert-Butylbenzene BSD RPD 2 % 20

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QC Evaluation: CT RCP Limits Page 14 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7077-BSD 75-15-0 Carbon disulfide BSD REC 89 % 70-130VV7077-BSD 75-15-0 Carbon disulfide BSD RPD 8 % 20VV7077-BSD 56-23-5 Carbon tetrachloride BSD REC 92 % 70-130VV7077-BSD 56-23-5 Carbon tetrachloride BSD RPD 7 % 20VV7077-BSD 108-90-7 Chlorobenzene BSD REC 106 % 70-130VV7077-BSD 108-90-7 Chlorobenzene BSD RPD 0 % 20VV7077-BSD 75-00-3 Chloroethane BSD REC 111 % 70-130VV7077-BSD 75-00-3 Chloroethane BSD RPD 6 % 20VV7077-BSD 67-66-3 Chloroform BSD REC 88 % 70-130VV7077-BSD 67-66-3 Chloroform BSD RPD 5 % 20VV7077-BSD 74-87-3 Chloromethane BSD REC 106 % 70-130VV7077-BSD 74-87-3 Chloromethane BSD RPD 6 % 20VV7077-BSD 95-49-8 o-Chlorotoluene BSD REC 104 % 70-130VV7077-BSD 95-49-8 o-Chlorotoluene BSD RPD 3 % 20VV7077-BSD 106-43-4 p-Chlorotoluene BSD REC 100 % 70-130VV7077-BSD 106-43-4 p-Chlorotoluene BSD RPD 3 % 20VV7077-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD REC 117 % 70-130VV7077-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD RPD 4 % 20VV7077-BSD 124-48-1 Dibromochloromethane BSD REC 106 % 70-130VV7077-BSD 124-48-1 Dibromochloromethane BSD RPD 1 % 20VV7077-BSD 106-93-4 1,2-Dibromoethane BSD REC 105 % 70-130VV7077-BSD 106-93-4 1,2-Dibromoethane BSD RPD 2 % 20VV7077-BSD 95-50-1 1,2-Dichlorobenzene BSD REC 106 % 70-130VV7077-BSD 95-50-1 1,2-Dichlorobenzene BSD RPD 3 % 20VV7077-BSD 541-73-1 1,3-Dichlorobenzene BSD REC 104 % 70-130VV7077-BSD 541-73-1 1,3-Dichlorobenzene BSD RPD 3 % 20VV7077-BSD 106-46-7 1,4-Dichlorobenzene BSD REC 100 % 70-130VV7077-BSD 106-46-7 1,4-Dichlorobenzene BSD RPD 3 % 20VV7077-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD REC 84 % 70-130VV7077-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD RPD 2 % 20VV7077-BSD 75-71-8 Dichlorodifluoromethane BSD REC 87 % 70-130VV7077-BSD 75-71-8 Dichlorodifluoromethane BSD RPD 4 % 20VV7077-BSD 75-34-3 1,1-Dichloroethane BSD REC 92 % 70-130VV7077-BSD 75-34-3 1,1-Dichloroethane BSD RPD 8 % 20VV7077-BSD 107-06-2 1,2-Dichloroethane BSD REC 94 % 70-130VV7077-BSD 107-06-2 1,2-Dichloroethane BSD RPD 2 % 20VV7077-BSD 75-35-4 1,1-Dichloroethene BSD REC 84 % 70-130VV7077-BSD 75-35-4 1,1-Dichloroethene BSD RPD 8 % 20VV7077-BSD 156-59-2 cis-1,2-Dichloroethene BSD REC 97 % 70-130VV7077-BSD 156-59-2 cis-1,2-Dichloroethene BSD RPD 6 % 20VV7077-BSD 156-60-5 trans-1,2-Dichloroethene BSD REC 90 % 70-130VV7077-BSD 156-60-5 trans-1,2-Dichloroethene BSD RPD 7 % 20VV7077-BSD 78-87-5 1,2-Dichloropropane BSD REC 97 % 70-130VV7077-BSD 78-87-5 1,2-Dichloropropane BSD RPD 0 % 20VV7077-BSD 142-28-9 1,3-Dichloropropane BSD REC 99 % 70-130

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QC Evaluation: CT RCP Limits Page 15 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7077-BSD 142-28-9 1,3-Dichloropropane BSD RPD 2 % 20VV7077-BSD 594-20-7 2,2-Dichloropropane BSD REC 89 % 70-130VV7077-BSD 594-20-7 2,2-Dichloropropane BSD RPD 8 % 20VV7077-BSD 563-58-6 1,1-Dichloropropene BSD REC 94 % 70-130VV7077-BSD 563-58-6 1,1-Dichloropropene BSD RPD 3 % 20VV7077-BSD 10061-01-5 cis-1,3-Dichloropropene BSD REC 105 % 70-130VV7077-BSD 10061-01-5 cis-1,3-Dichloropropene BSD RPD 1 % 20VV7077-BSD 10061-02-6 trans-1,3-Dichloropropene BSD REC 100 % 70-130VV7077-BSD 10061-02-6 trans-1,3-Dichloropropene BSD RPD 2 % 20VV7077-BSD 100-41-4 Ethylbenzene BSD REC 102 % 70-130VV7077-BSD 100-41-4 Ethylbenzene BSD RPD 0 % 20VV7077-BSD 76-13-1 Freon 113 BSD REC 112 % 70-130VV7077-BSD 76-13-1 Freon 113 BSD RPD 7 % 20VV7077-BSD 87-68-3 Hexachlorobutadiene BSD REC 117 % 70-130VV7077-BSD 87-68-3 Hexachlorobutadiene BSD RPD 1 % 20VV7077-BSD 591-78-6 2-Hexanone BSD REC 103 % 70-130VV7077-BSD 591-78-6 2-Hexanone BSD RPD 2 % 20VV7077-BSD 98-82-8 Isopropylbenzene BSD REC 102 % 70-130VV7077-BSD 98-82-8 Isopropylbenzene BSD RPD 2 % 20VV7077-BSD 99-87-6 p-Isopropyltoluene BSD REC 103 % 70-130VV7077-BSD 99-87-6 p-Isopropyltoluene BSD RPD 4 % 20VV7077-BSD 1634-04-4 Methyl Tert Butyl Ether BSD REC 98 % 70-130VV7077-BSD 1634-04-4 Methyl Tert Butyl Ether BSD RPD 6 % 20VV7077-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD REC 109 % 70-130VV7077-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD RPD 4 % 20VV7077-BSD 74-95-3 Methylene bromide BSD REC 107 % 70-130VV7077-BSD 74-95-3 Methylene bromide BSD RPD 3 % 20VV7077-BSD 75-09-2 Methylene chloride BSD REC 90 % 70-130VV7077-BSD 75-09-2 Methylene chloride BSD RPD 8 % 20VV7077-BSD 91-20-3 Naphthalene BSD REC 117 % 70-130VV7077-BSD 91-20-3 Naphthalene BSD RPD 1 % 20VV7077-BSD 103-65-1 n-Propylbenzene BSD REC 99 % 70-130VV7077-BSD 103-65-1 n-Propylbenzene BSD RPD 4 % 20VV7077-BSD 100-42-5 Styrene BSD REC 111 % 70-130VV7077-BSD 100-42-5 Styrene BSD RPD 1 % 20VV7077-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD REC 106 % 70-130VV7077-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD RPD 2 % 20VV7077-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD REC 103 % 70-130VV7077-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD RPD 5 % 20VV7077-BSD 127-18-4 Tetrachloroethene BSD REC 107 % 70-130VV7077-BSD 127-18-4 Tetrachloroethene BSD RPD 0 % 20VV7077-BSD 109-99-9 Tetrahydrofuran BSD REC 81 % 70-130VV7077-BSD 109-99-9 Tetrahydrofuran BSD RPD 9 % 20VV7077-BSD 108-88-3 Toluene BSD REC 100 % 70-130VV7077-BSD 108-88-3 Toluene BSD RPD 2 % 20

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QC Evaluation: CT RCP Limits Page 16 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VV7077-BSD 87-61-6 1,2,3-Trichlorobenzene BSD REC 119 % 70-130VV7077-BSD 87-61-6 1,2,3-Trichlorobenzene BSD RPD 2 % 20VV7077-BSD 120-82-1 1,2,4-Trichlorobenzene BSD REC 121 % 70-130VV7077-BSD 120-82-1 1,2,4-Trichlorobenzene BSD RPD 0 % 20VV7077-BSD 71-55-6 1,1,1-Trichloroethane BSD REC 91 % 70-130VV7077-BSD 71-55-6 1,1,1-Trichloroethane BSD RPD 8 % 20VV7077-BSD 79-00-5 1,1,2-Trichloroethane BSD REC 101 % 70-130VV7077-BSD 79-00-5 1,1,2-Trichloroethane BSD RPD 0 % 20VV7077-BSD 79-01-6 Trichloroethene BSD REC 102 % 70-130VV7077-BSD 79-01-6 Trichloroethene BSD RPD 1 % 20VV7077-BSD 75-69-4 Trichlorofluoromethane BSD REC 97 % 70-130VV7077-BSD 75-69-4 Trichlorofluoromethane BSD RPD 9 % 20VV7077-BSD 96-18-4 1,2,3-Trichloropropane BSD REC 101 % 70-130VV7077-BSD 96-18-4 1,2,3-Trichloropropane BSD RPD 7 % 20VV7077-BSD 95-63-6 1,2,4-Trimethylbenzene BSD REC 101 % 70-130VV7077-BSD 95-63-6 1,2,4-Trimethylbenzene BSD RPD 3 % 20VV7077-BSD 108-67-8 1,3,5-Trimethylbenzene BSD REC 100 % 70-130VV7077-BSD 108-67-8 1,3,5-Trimethylbenzene BSD RPD 3 % 20VV7077-BSD 75-01-4 Vinyl chloride BSD REC 106 % 70-130VV7077-BSD 75-01-4 Vinyl chloride BSD RPD 7 % 20VV7077-BSD m,p-Xylene BSD REC 111 % 70-130VV7077-BSD m,p-Xylene BSD RPD 1 % 20VV7077-BSD 95-47-6 o-Xylene BSD REC 107 % 70-130VV7077-BSD 95-47-6 o-Xylene BSD RPD 1 % 20VV7077-BSD 1868-53-7 Dibromofluoromethane BSD SURR 95 % 70-130VV7077-BSD 2037-26-5 Toluene-D8 BSD SURR 95 % 70-130VV7077-BSD 460-00-4 4-Bromofluorobenzene BSD SURR 90 % 70-130VV7077-MB 1868-53-7 Dibromofluoromethane MB SURR 105 % 70-130VV7077-MB 2037-26-5 Toluene-D8 MB SURR 93 % 70-130VV7077-MB 460-00-4 4-Bromofluorobenzene MB SURR 88 % 70-130MC50199-2 1868-53-7 Dibromofluoromethane SAMP SURR 107 % 70-130MC50199-2 2037-26-5 Toluene-D8 SAMP SURR 94 % 70-130MC50199-2 460-00-4 4-Bromofluorobenzene SAMP SURR 90 % 70-130MC50199-5 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-5 2037-26-5 Toluene-D8 SAMP SURR 94 % 70-130MC50199-5 460-00-4 4-Bromofluorobenzene SAMP SURR 90 % 70-130MC50199-9 1868-53-7 Dibromofluoromethane SAMP SURR 107 % 70-130MC50199-9 2037-26-5 Toluene-D8 SAMP SURR 96 % 70-130MC50199-9 460-00-4 4-Bromofluorobenzene SAMP SURR 92 % 70-130MC50199-11 1868-53-7 Dibromofluoromethane SAMP SURR 110 % 70-130MC50199-11 2037-26-5 Toluene-D8 SAMP SURR 92 % 70-130MC50199-11 460-00-4 4-Bromofluorobenzene SAMP SURR 91 % 70-130MC50199-12 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-12 2037-26-5 Toluene-D8 SAMP SURR 97 % 70-130MC50199-12 460-00-4 4-Bromofluorobenzene SAMP SURR 92 % 70-130

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QC Evaluation: CT RCP Limits Page 17 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-14 1868-53-7 Dibromofluoromethane SAMP SURR 106 % 70-130MC50199-14 2037-26-5 Toluene-D8 SAMP SURR 94 % 70-130MC50199-14 460-00-4 4-Bromofluorobenzene SAMP SURR 92 % 70-130MC50199-15 1868-53-7 Dibromofluoromethane SAMP SURR 110 % 70-130MC50199-15 2037-26-5 Toluene-D8 SAMP SURR 94 % 70-130MC50199-15 460-00-4 4-Bromofluorobenzene SAMP SURR 89 % 70-130MC50199-19 1868-53-7 Dibromofluoromethane SAMP SURR 109 % 70-130MC50199-19 2037-26-5 Toluene-D8 SAMP SURR 95 % 70-130MC50199-19 460-00-4 4-Bromofluorobenzene SAMP SURR 94 % 70-130MC50199-20 1868-53-7 Dibromofluoromethane SAMP SURR 104 % 70-130MC50199-20 2037-26-5 Toluene-D8 SAMP SURR 96 % 70-130MC50199-20 460-00-4 4-Bromofluorobenzene SAMP SURR 95 % 70-130MC50199-29 1868-53-7 Dibromofluoromethane SAMP SURR 105 % 70-130MC50199-29 2037-26-5 Toluene-D8 SAMP SURR 95 % 70-130MC50199-29 460-00-4 4-Bromofluorobenzene SAMP SURR 91 % 70-130

VY7434 SW846 8260C

VY7434-BS 67-64-1 Acetone BSP REC 108 % 70-130VY7434-BS 107-13-1 Acrylonitrile BSP REC 115 % 70-130VY7434-BS 71-43-2 Benzene BSP REC 90 % 70-130VY7434-BS 108-86-1 Bromobenzene BSP REC 102 % 70-130VY7434-BS 75-27-4 Bromodichloromethane BSP REC 90 % 70-130VY7434-BS 75-25-2 Bromoform BSP REC 102 % 70-130VY7434-BS 74-83-9 Bromomethane BSP REC 85 % 70-130VY7434-BS 78-93-3 2-Butanone (MEK) BSP REC 119 % 70-130VY7434-BS 104-51-8 n-Butylbenzene BSP REC 92 % 70-130VY7434-BS 135-98-8 sec-Butylbenzene BSP REC 92 % 70-130VY7434-BS 98-06-6 tert-Butylbenzene BSP REC 94 % 70-130VY7434-BS 75-15-0 Carbon disulfide BSP REC 97 % 70-130VY7434-BS 56-23-5 Carbon tetrachloride BSP REC 89 % 70-130VY7434-BS 108-90-7 Chlorobenzene BSP REC 95 % 70-130VY7434-BS 75-00-3 Chloroethane BSP REC 90 % 70-130VY7434-BS 67-66-3 Chloroform BSP REC 86 % 70-130VY7434-BS 74-87-3 Chloromethane BSP REC 88 % 70-130VY7434-BS 95-49-8 o-Chlorotoluene BSP REC 100 % 70-130VY7434-BS 106-43-4 p-Chlorotoluene BSP REC 96 % 70-130VY7434-BS 96-12-8 1,2-Dibromo-3-chloropropane BSP REC 93 % 70-130VY7434-BS 124-48-1 Dibromochloromethane BSP REC 95 % 70-130VY7434-BS 106-93-4 1,2-Dibromoethane BSP REC 97 % 70-130VY7434-BS 95-50-1 1,2-Dichlorobenzene BSP REC 96 % 70-130VY7434-BS 541-73-1 1,3-Dichlorobenzene BSP REC 97 % 70-130VY7434-BS 106-46-7 1,4-Dichlorobenzene BSP REC 95 % 70-130VY7434-BS 110-57-6 Trans-1,4-Dichloro-2-Butene BSP REC 111 % 70-130VY7434-BS 75-71-8 Dichlorodifluoromethane BSP REC 84 % 70-130

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QC Evaluation: CT RCP Limits Page 18 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VY7434-BS 75-34-3 1,1-Dichloroethane BSP REC 94 % 70-130VY7434-BS 107-06-2 1,2-Dichloroethane BSP REC 88 % 70-130VY7434-BS 75-35-4 1,1-Dichloroethene BSP REC 91 % 70-130VY7434-BS 156-59-2 cis-1,2-Dichloroethene BSP REC 88 % 70-130VY7434-BS 156-60-5 trans-1,2-Dichloroethene BSP REC 94 % 70-130VY7434-BS 78-87-5 1,2-Dichloropropane BSP REC 96 % 70-130VY7434-BS 142-28-9 1,3-Dichloropropane BSP REC 97 % 70-130VY7434-BS 594-20-7 2,2-Dichloropropane BSP REC 92 % 70-130VY7434-BS 563-58-6 1,1-Dichloropropene BSP REC 89 % 70-130VY7434-BS 10061-01-5 cis-1,3-Dichloropropene BSP REC 99 % 70-130VY7434-BS 10061-02-6 trans-1,3-Dichloropropene BSP REC 93 % 70-130VY7434-BS 100-41-4 Ethylbenzene BSP REC 91 % 70-130VY7434-BS 76-13-1 Freon 113 BSP REC 101 % 70-130VY7434-BS 87-68-3 Hexachlorobutadiene BSP REC 95 % 70-130VY7434-BS 591-78-6 2-Hexanone BSP REC 121 % 70-130VY7434-BS 98-82-8 Isopropylbenzene BSP REC 89 % 70-130VY7434-BS 99-87-6 p-Isopropyltoluene BSP REC 93 % 70-130VY7434-BS 1634-04-4 Methyl Tert Butyl Ether BSP REC 96 % 70-130VY7434-BS 108-10-1 4-Methyl-2-pentanone(MIBK) BSP REC 119 % 70-130VY7434-BS 74-95-3 Methylene bromide BSP REC 96 % 70-130VY7434-BS 75-09-2 Methylene chloride BSP REC 95 % 70-130VY7434-BS 91-20-3 Naphthalene BSP REC 97 % 70-130VY7434-BS 103-65-1 n-Propylbenzene BSP REC 96 % 70-130VY7434-BS 100-42-5 Styrene BSP REC 93 % 70-130VY7434-BS 630-20-6 1,1,1,2-Tetrachloroethane BSP REC 87 % 70-130VY7434-BS 79-34-5 1,1,2,2-Tetrachloroethane BSP REC 105 % 70-130VY7434-BS 127-18-4 Tetrachloroethene BSP REC 90 % 70-130VY7434-BS 109-99-9 Tetrahydrofuran BSP REC 126 % 70-130VY7434-BS 108-88-3 Toluene BSP REC 90 % 70-130VY7434-BS 87-61-6 1,2,3-Trichlorobenzene BSP REC 100 % 70-130VY7434-BS 120-82-1 1,2,4-Trichlorobenzene BSP REC 98 % 70-130VY7434-BS 71-55-6 1,1,1-Trichloroethane BSP REC 88 % 70-130VY7434-BS 79-00-5 1,1,2-Trichloroethane BSP REC 97 % 70-130VY7434-BS 79-01-6 Trichloroethene BSP REC 94 % 70-130VY7434-BS 75-69-4 Trichlorofluoromethane BSP REC 95 % 70-130VY7434-BS 96-18-4 1,2,3-Trichloropropane BSP REC 105 % 70-130VY7434-BS 95-63-6 1,2,4-Trimethylbenzene BSP REC 93 % 70-130VY7434-BS 108-67-8 1,3,5-Trimethylbenzene BSP REC 94 % 70-130VY7434-BS 75-01-4 Vinyl chloride BSP REC 91 % 70-130VY7434-BS m,p-Xylene BSP REC 95 % 70-130VY7434-BS 95-47-6 o-Xylene BSP REC 88 % 70-130VY7434-BS 1868-53-7 Dibromofluoromethane BSP SURR 98 % 70-130VY7434-BS 2037-26-5 Toluene-D8 BSP SURR 98 % 70-130VY7434-BS 460-00-4 4-Bromofluorobenzene BSP SURR 107 % 70-130VY7434-BSD 67-64-1 Acetone BSD REC 92 % 70-130

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QC Evaluation: CT RCP Limits Page 19 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VY7434-BSD 67-64-1 Acetone BSD RPD 16 % 20VY7434-BSD 107-13-1 Acrylonitrile BSD REC 105 % 70-130VY7434-BSD 107-13-1 Acrylonitrile BSD RPD 9 % 20VY7434-BSD 71-43-2 Benzene BSD REC 86 % 70-130VY7434-BSD 71-43-2 Benzene BSD RPD 4 % 20VY7434-BSD 108-86-1 Bromobenzene BSD REC 98 % 70-130VY7434-BSD 108-86-1 Bromobenzene BSD RPD 4 % 20VY7434-BSD 75-27-4 Bromodichloromethane BSD REC 89 % 70-130VY7434-BSD 75-27-4 Bromodichloromethane BSD RPD 2 % 20VY7434-BSD 75-25-2 Bromoform BSD REC 98 % 70-130VY7434-BSD 75-25-2 Bromoform BSD RPD 4 % 20VY7434-BSD 74-83-9 Bromomethane BSD REC 78 % 70-130VY7434-BSD 74-83-9 Bromomethane BSD RPD 8 % 20VY7434-BSD 78-93-3 2-Butanone (MEK) BSD REC 109 % 70-130VY7434-BSD 78-93-3 2-Butanone (MEK) BSD RPD 9 % 20VY7434-BSD 104-51-8 n-Butylbenzene BSD REC 88 % 70-130VY7434-BSD 104-51-8 n-Butylbenzene BSD RPD 5 % 20VY7434-BSD 135-98-8 sec-Butylbenzene BSD REC 87 % 70-130VY7434-BSD 135-98-8 sec-Butylbenzene BSD RPD 5 % 20VY7434-BSD 98-06-6 tert-Butylbenzene BSD REC 90 % 70-130VY7434-BSD 98-06-6 tert-Butylbenzene BSD RPD 4 % 20VY7434-BSD 75-15-0 Carbon disulfide BSD REC 90 % 70-130VY7434-BSD 75-15-0 Carbon disulfide BSD RPD 8 % 20VY7434-BSD 56-23-5 Carbon tetrachloride BSD REC 82 % 70-130VY7434-BSD 56-23-5 Carbon tetrachloride BSD RPD 8 % 20VY7434-BSD 108-90-7 Chlorobenzene BSD REC 92 % 70-130VY7434-BSD 108-90-7 Chlorobenzene BSD RPD 3 % 20VY7434-BSD 75-00-3 Chloroethane BSD REC 84 % 70-130VY7434-BSD 75-00-3 Chloroethane BSD RPD 7 % 20VY7434-BSD 67-66-3 Chloroform BSD REC 83 % 70-130VY7434-BSD 67-66-3 Chloroform BSD RPD 4 % 20VY7434-BSD 74-87-3 Chloromethane BSD REC 79 % 70-130VY7434-BSD 74-87-3 Chloromethane BSD RPD 11 % 20VY7434-BSD 95-49-8 o-Chlorotoluene BSD REC 96 % 70-130VY7434-BSD 95-49-8 o-Chlorotoluene BSD RPD 4 % 20VY7434-BSD 106-43-4 p-Chlorotoluene BSD REC 93 % 70-130VY7434-BSD 106-43-4 p-Chlorotoluene BSD RPD 3 % 20VY7434-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD REC 90 % 70-130VY7434-BSD 96-12-8 1,2-Dibromo-3-chloropropane BSD RPD 4 % 20VY7434-BSD 124-48-1 Dibromochloromethane BSD REC 91 % 70-130VY7434-BSD 124-48-1 Dibromochloromethane BSD RPD 5 % 20VY7434-BSD 106-93-4 1,2-Dibromoethane BSD REC 94 % 70-130VY7434-BSD 106-93-4 1,2-Dibromoethane BSD RPD 4 % 20VY7434-BSD 95-50-1 1,2-Dichlorobenzene BSD REC 93 % 70-130VY7434-BSD 95-50-1 1,2-Dichlorobenzene BSD RPD 4 % 20

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QC Evaluation: CT RCP Limits Page 20 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VY7434-BSD 541-73-1 1,3-Dichlorobenzene BSD REC 94 % 70-130VY7434-BSD 541-73-1 1,3-Dichlorobenzene BSD RPD 3 % 20VY7434-BSD 106-46-7 1,4-Dichlorobenzene BSD REC 93 % 70-130VY7434-BSD 106-46-7 1,4-Dichlorobenzene BSD RPD 3 % 20VY7434-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD REC 101 % 70-130VY7434-BSD 110-57-6 Trans-1,4-Dichloro-2-Butene BSD RPD 9 % 20VY7434-BSD 75-71-8 Dichlorodifluoromethane BSD REC 76 % 70-130VY7434-BSD 75-71-8 Dichlorodifluoromethane BSD RPD 11 % 20VY7434-BSD 75-34-3 1,1-Dichloroethane BSD REC 89 % 70-130VY7434-BSD 75-34-3 1,1-Dichloroethane BSD RPD 6 % 20VY7434-BSD 107-06-2 1,2-Dichloroethane BSD REC 86 % 70-130VY7434-BSD 107-06-2 1,2-Dichloroethane BSD RPD 3 % 20VY7434-BSD 75-35-4 1,1-Dichloroethene BSD REC 85 % 70-130VY7434-BSD 75-35-4 1,1-Dichloroethene BSD RPD 8 % 20VY7434-BSD 156-59-2 cis-1,2-Dichloroethene BSD REC 85 % 70-130VY7434-BSD 156-59-2 cis-1,2-Dichloroethene BSD RPD 3 % 20VY7434-BSD 156-60-5 trans-1,2-Dichloroethene BSD REC 89 % 70-130VY7434-BSD 156-60-5 trans-1,2-Dichloroethene BSD RPD 6 % 20VY7434-BSD 78-87-5 1,2-Dichloropropane BSD REC 95 % 70-130VY7434-BSD 78-87-5 1,2-Dichloropropane BSD RPD 1 % 20VY7434-BSD 142-28-9 1,3-Dichloropropane BSD REC 94 % 70-130VY7434-BSD 142-28-9 1,3-Dichloropropane BSD RPD 3 % 20VY7434-BSD 594-20-7 2,2-Dichloropropane BSD REC 86 % 70-130VY7434-BSD 594-20-7 2,2-Dichloropropane BSD RPD 6 % 20VY7434-BSD 563-58-6 1,1-Dichloropropene BSD REC 86 % 70-130VY7434-BSD 563-58-6 1,1-Dichloropropene BSD RPD 4 % 20VY7434-BSD 10061-01-5 cis-1,3-Dichloropropene BSD REC 97 % 70-130VY7434-BSD 10061-01-5 cis-1,3-Dichloropropene BSD RPD 2 % 20VY7434-BSD 10061-02-6 trans-1,3-Dichloropropene BSD REC 91 % 70-130VY7434-BSD 10061-02-6 trans-1,3-Dichloropropene BSD RPD 2 % 20VY7434-BSD 100-41-4 Ethylbenzene BSD REC 88 % 70-130VY7434-BSD 100-41-4 Ethylbenzene BSD RPD 3 % 20VY7434-BSD 76-13-1 Freon 113 BSD REC 94 % 70-130VY7434-BSD 76-13-1 Freon 113 BSD RPD 7 % 20VY7434-BSD 87-68-3 Hexachlorobutadiene BSD REC 90 % 70-130VY7434-BSD 87-68-3 Hexachlorobutadiene BSD RPD 5 % 20VY7434-BSD 591-78-6 2-Hexanone BSD REC 111 % 70-130VY7434-BSD 591-78-6 2-Hexanone BSD RPD 9 % 20VY7434-BSD 98-82-8 Isopropylbenzene BSD REC 85 % 70-130VY7434-BSD 98-82-8 Isopropylbenzene BSD RPD 5 % 20VY7434-BSD 99-87-6 p-Isopropyltoluene BSD REC 89 % 70-130VY7434-BSD 99-87-6 p-Isopropyltoluene BSD RPD 5 % 20VY7434-BSD 1634-04-4 Methyl Tert Butyl Ether BSD REC 91 % 70-130VY7434-BSD 1634-04-4 Methyl Tert Butyl Ether BSD RPD 6 % 20VY7434-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD REC 111 % 70-130

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QC Evaluation: CT RCP Limits Page 21 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VY7434-BSD 108-10-1 4-Methyl-2-pentanone(MIBK) BSD RPD 7 % 20VY7434-BSD 74-95-3 Methylene bromide BSD REC 91 % 70-130VY7434-BSD 74-95-3 Methylene bromide BSD RPD 5 % 20VY7434-BSD 75-09-2 Methylene chloride BSD REC 90 % 70-130VY7434-BSD 75-09-2 Methylene chloride BSD RPD 6 % 20VY7434-BSD 91-20-3 Naphthalene BSD REC 92 % 70-130VY7434-BSD 91-20-3 Naphthalene BSD RPD 5 % 20VY7434-BSD 103-65-1 n-Propylbenzene BSD REC 91 % 70-130VY7434-BSD 103-65-1 n-Propylbenzene BSD RPD 4 % 20VY7434-BSD 100-42-5 Styrene BSD REC 91 % 70-130VY7434-BSD 100-42-5 Styrene BSD RPD 2 % 20VY7434-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD REC 85 % 70-130VY7434-BSD 630-20-6 1,1,1,2-Tetrachloroethane BSD RPD 3 % 20VY7434-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD REC 99 % 70-130VY7434-BSD 79-34-5 1,1,2,2-Tetrachloroethane BSD RPD 6 % 20VY7434-BSD 127-18-4 Tetrachloroethene BSD REC 87 % 70-130VY7434-BSD 127-18-4 Tetrachloroethene BSD RPD 3 % 20VY7434-BSD 109-99-9 Tetrahydrofuran BSD REC 116 % 70-130VY7434-BSD 109-99-9 Tetrahydrofuran BSD RPD 8 % 20VY7434-BSD 108-88-3 Toluene BSD REC 87 % 70-130VY7434-BSD 108-88-3 Toluene BSD RPD 3 % 20VY7434-BSD 87-61-6 1,2,3-Trichlorobenzene BSD REC 96 % 70-130VY7434-BSD 87-61-6 1,2,3-Trichlorobenzene BSD RPD 4 % 20VY7434-BSD 120-82-1 1,2,4-Trichlorobenzene BSD REC 94 % 70-130VY7434-BSD 120-82-1 1,2,4-Trichlorobenzene BSD RPD 3 % 20VY7434-BSD 71-55-6 1,1,1-Trichloroethane BSD REC 82 % 70-130VY7434-BSD 71-55-6 1,1,1-Trichloroethane BSD RPD 7 % 20VY7434-BSD 79-00-5 1,1,2-Trichloroethane BSD REC 94 % 70-130VY7434-BSD 79-00-5 1,1,2-Trichloroethane BSD RPD 3 % 20VY7434-BSD 79-01-6 Trichloroethene BSD REC 91 % 70-130VY7434-BSD 79-01-6 Trichloroethene BSD RPD 4 % 20VY7434-BSD 75-69-4 Trichlorofluoromethane BSD REC 88 % 70-130VY7434-BSD 75-69-4 Trichlorofluoromethane BSD RPD 7 % 20VY7434-BSD 96-18-4 1,2,3-Trichloropropane BSD REC 99 % 70-130VY7434-BSD 96-18-4 1,2,3-Trichloropropane BSD RPD 6 % 20VY7434-BSD 95-63-6 1,2,4-Trimethylbenzene BSD REC 90 % 70-130VY7434-BSD 95-63-6 1,2,4-Trimethylbenzene BSD RPD 3 % 20VY7434-BSD 108-67-8 1,3,5-Trimethylbenzene BSD REC 90 % 70-130VY7434-BSD 108-67-8 1,3,5-Trimethylbenzene BSD RPD 4 % 20VY7434-BSD 75-01-4 Vinyl chloride BSD REC 82 % 70-130VY7434-BSD 75-01-4 Vinyl chloride BSD RPD 9 % 20VY7434-BSD m,p-Xylene BSD REC 91 % 70-130VY7434-BSD m,p-Xylene BSD RPD 4 % 20VY7434-BSD 95-47-6 o-Xylene BSD REC 85 % 70-130VY7434-BSD 95-47-6 o-Xylene BSD RPD 3 % 20

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QC Evaluation: CT RCP Limits Page 22 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

VY7434-BSD 1868-53-7 Dibromofluoromethane BSD SURR 97 % 70-130VY7434-BSD 2037-26-5 Toluene-D8 BSD SURR 98 % 70-130VY7434-BSD 460-00-4 4-Bromofluorobenzene BSD SURR 108 % 70-130MC50199-3MS 67-64-1 Acetone MS REC 61 % 70-130MC50199-3MS 107-13-1 Acrylonitrile MS REC 96 % 70-130MC50199-3MS 71-43-2 Benzene MS REC 85 % 70-130MC50199-3MS 108-86-1 Bromobenzene MS REC 76 % 70-130MC50199-3MS 75-27-4 Bromodichloromethane MS REC 82 % 70-130MC50199-3MS 75-25-2 Bromoform MS REC 77 % 70-130MC50199-3MS 74-83-9 Bromomethane MS REC 89 % 70-130MC50199-3MS 78-93-3 2-Butanone (MEK) MS REC 92 % 70-130MC50199-3MS 104-51-8 n-Butylbenzene MS REC 29 % 70-130MC50199-3MS 135-98-8 sec-Butylbenzene MS REC 38 % 70-130MC50199-3MS 98-06-6 tert-Butylbenzene MS REC 47 % 70-130MC50199-3MS 75-15-0 Carbon disulfide MS REC 90 % 70-130MC50199-3MS 56-23-5 Carbon tetrachloride MS REC 77 % 70-130MC50199-3MS 108-90-7 Chlorobenzene MS REC 75 % 70-130MC50199-3MS 75-00-3 Chloroethane MS REC 101 % 70-130MC50199-3MS 67-66-3 Chloroform MS REC 84 % 70-130MC50199-3MS 74-87-3 Chloromethane MS REC 99 % 70-130MC50199-3MS 95-49-8 o-Chlorotoluene MS REC 63 % 70-130MC50199-3MS 106-43-4 p-Chlorotoluene MS REC 60 % 70-130MC50199-3MS 96-12-8 1,2-Dibromo-3-chloropropane MS REC 65 % 70-130MC50199-3MS 124-48-1 Dibromochloromethane MS REC 80 % 70-130MC50199-3MS 106-93-4 1,2-Dibromoethane MS REC 83 % 70-130MC50199-3MS 95-50-1 1,2-Dichlorobenzene MS REC 55 % 70-130MC50199-3MS 541-73-1 1,3-Dichlorobenzene MS REC 55 % 70-130MC50199-3MS 106-46-7 1,4-Dichlorobenzene MS REC 55 % 70-130MC50199-3MS 110-57-6 Trans-1,4-Dichloro-2-Butene MS REC 67 % 70-130MC50199-3MS 75-71-8 Dichlorodifluoromethane MS REC 91 % 70-130MC50199-3MS 75-34-3 1,1-Dichloroethane MS REC 95 % 70-130MC50199-3MS 107-06-2 1,2-Dichloroethane MS REC 80 % 70-130MC50199-3MS 75-35-4 1,1-Dichloroethene MS REC 92 % 70-130MC50199-3MS 156-59-2 cis-1,2-Dichloroethene MS REC 85 % 70-130MC50199-3MS 156-60-5 trans-1,2-Dichloroethene MS REC 92 % 70-130MC50199-3MS 78-87-5 1,2-Dichloropropane MS REC 90 % 70-130MC50199-3MS 142-28-9 1,3-Dichloropropane MS REC 86 % 70-130MC50199-3MS 594-20-7 2,2-Dichloropropane MS REC 54 % 70-130MC50199-3MS 563-58-6 1,1-Dichloropropene MS REC 81 % 70-130MC50199-3MS 10061-01-5 cis-1,3-Dichloropropene MS REC 75 % 70-130MC50199-3MS 10061-02-6 trans-1,3-Dichloropropene MS REC 72 % 70-130MC50199-3MS 100-41-4 Ethylbenzene MS REC 66 % 70-130MC50199-3MS 76-13-1 Freon 113 MS REC 81 % 70-130MC50199-3MS 87-68-3 Hexachlorobutadiene MS REC 18 % 70-130MC50199-3MS 591-78-6 2-Hexanone MS REC 96 % 70-130

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-3MS 98-82-8 Isopropylbenzene MS REC 51 % 70-130MC50199-3MS 99-87-6 p-Isopropyltoluene MS REC 38 % 70-130MC50199-3MS 1634-04-4 Methyl Tert Butyl Ether MS REC 89 % 70-130MC50199-3MS 108-10-1 4-Methyl-2-pentanone(MIBK) MS REC 96 % 70-130MC50199-3MS 74-95-3 Methylene bromide MS REC 83 % 70-130MC50199-3MS 75-09-2 Methylene chloride MS REC 94 % 70-130MC50199-3MS 91-20-3 Naphthalene MS REC 42 % 70-130MC50199-3MS 103-65-1 n-Propylbenzene MS REC 52 % 70-130MC50199-3MS 100-42-5 Styrene MS REC 67 % 70-130MC50199-3MS 630-20-6 1,1,1,2-Tetrachloroethane MS REC 72 % 70-130MC50199-3MS 79-34-5 1,1,2,2-Tetrachloroethane MS REC 83 % 70-130MC50199-3MS 127-18-4 Tetrachloroethene MS REC 61 % 70-130MC50199-3MS 109-99-9 Tetrahydrofuran MS REC 103 % 70-130MC50199-3MS 108-88-3 Toluene MS REC 79 % 70-130MC50199-3MS 87-61-6 1,2,3-Trichlorobenzene MS REC 29 % 70-130MC50199-3MS 120-82-1 1,2,4-Trichlorobenzene MS REC 29 % 70-130MC50199-3MS 71-55-6 1,1,1-Trichloroethane MS REC 85 % 70-130MC50199-3MS 79-00-5 1,1,2-Trichloroethane MS REC 84 % 70-130MC50199-3MS 79-01-6 Trichloroethene MS REC 83 % 70-130MC50199-3MS 75-69-4 Trichlorofluoromethane MS REC 95 % 70-130MC50199-3MS 96-18-4 1,2,3-Trichloropropane MS REC 88 % 70-130MC50199-3MS 95-63-6 1,2,4-Trimethylbenzene MS REC 51 % 70-130MC50199-3MS 108-67-8 1,3,5-Trimethylbenzene MS REC 52 % 70-130MC50199-3MS 75-01-4 Vinyl chloride MS REC 101 % 70-130MC50199-3MS m,p-Xylene MS REC 67 % 70-130MC50199-3MS 95-47-6 o-Xylene MS REC 64 % 70-130MC50199-3MS 1868-53-7 Dibromofluoromethane MS SURR 98 % 70-130MC50199-3MS 2037-26-5 Toluene-D8 MS SURR 100 % 70-130MC50199-3MS 460-00-4 4-Bromofluorobenzene MS SURR 112 % 70-130MC50199-1DUP 67-64-1 Acetone DUP RPD 5 % 30MC50199-1DUP 107-13-1 Acrylonitrile DUP RPD 0 % 30MC50199-1DUP 71-43-2 Benzene DUP RPD 0 % 30MC50199-1DUP 108-86-1 Bromobenzene DUP RPD 0 % 30MC50199-1DUP 75-27-4 Bromodichloromethane DUP RPD 0 % 30MC50199-1DUP 75-25-2 Bromoform DUP RPD 0 % 30MC50199-1DUP 74-83-9 Bromomethane DUP RPD 0 % 30MC50199-1DUP 78-93-3 2-Butanone (MEK) DUP RPD 33 a % 30MC50199-1DUP 104-51-8 n-Butylbenzene DUP RPD 0 % 30MC50199-1DUP 135-98-8 sec-Butylbenzene DUP RPD 0 % 30MC50199-1DUP 98-06-6 tert-Butylbenzene DUP RPD 0 % 30MC50199-1DUP 75-15-0 Carbon disulfide DUP RPD 42 a % 30MC50199-1DUP 56-23-5 Carbon tetrachloride DUP RPD 0 % 30MC50199-1DUP 108-90-7 Chlorobenzene DUP RPD 0 % 30MC50199-1DUP 75-00-3 Chloroethane DUP RPD 0 % 30MC50199-1DUP 67-66-3 Chloroform DUP RPD 0 % 30

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QC Evaluation: CT RCP Limits Page 24 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-1DUP 74-87-3 Chloromethane DUP RPD 0 % 30MC50199-1DUP 95-49-8 o-Chlorotoluene DUP RPD 0 % 30MC50199-1DUP 106-43-4 p-Chlorotoluene DUP RPD 0 % 30MC50199-1DUP 96-12-8 1,2-Dibromo-3-chloropropane DUP RPD 0 % 30MC50199-1DUP 124-48-1 Dibromochloromethane DUP RPD 0 % 30MC50199-1DUP 106-93-4 1,2-Dibromoethane DUP RPD 0 % 30MC50199-1DUP 95-50-1 1,2-Dichlorobenzene DUP RPD 0 % 30MC50199-1DUP 541-73-1 1,3-Dichlorobenzene DUP RPD 0 % 30MC50199-1DUP 106-46-7 1,4-Dichlorobenzene DUP RPD 0 % 30MC50199-1DUP 110-57-6 Trans-1,4-Dichloro-2-Butene DUP RPD 0 % 30MC50199-1DUP 75-71-8 Dichlorodifluoromethane DUP RPD 0 % 30MC50199-1DUP 75-34-3 1,1-Dichloroethane DUP RPD 0 % 30MC50199-1DUP 107-06-2 1,2-Dichloroethane DUP RPD 0 % 30MC50199-1DUP 75-35-4 1,1-Dichloroethene DUP RPD 0 % 30MC50199-1DUP 156-59-2 cis-1,2-Dichloroethene DUP RPD 0 % 30MC50199-1DUP 156-60-5 trans-1,2-Dichloroethene DUP RPD 0 % 30MC50199-1DUP 78-87-5 1,2-Dichloropropane DUP RPD 0 % 30MC50199-1DUP 142-28-9 1,3-Dichloropropane DUP RPD 0 % 30MC50199-1DUP 594-20-7 2,2-Dichloropropane DUP RPD 0 % 30MC50199-1DUP 563-58-6 1,1-Dichloropropene DUP RPD 0 % 30MC50199-1DUP 10061-01-5 cis-1,3-Dichloropropene DUP RPD 0 % 30MC50199-1DUP 10061-02-6 trans-1,3-Dichloropropene DUP RPD 0 % 30MC50199-1DUP 100-41-4 Ethylbenzene DUP RPD 0 % 30MC50199-1DUP 76-13-1 Freon 113 DUP RPD 0 % 30MC50199-1DUP 87-68-3 Hexachlorobutadiene DUP RPD 0 % 30MC50199-1DUP 591-78-6 2-Hexanone DUP RPD 0 % 30MC50199-1DUP 98-82-8 Isopropylbenzene DUP RPD 0 % 30MC50199-1DUP 99-87-6 p-Isopropyltoluene DUP RPD 0 % 30MC50199-1DUP 1634-04-4 Methyl Tert Butyl Ether DUP RPD 0 % 30MC50199-1DUP 108-10-1 4-Methyl-2-pentanone(MIBK) DUP RPD 0 % 30MC50199-1DUP 74-95-3 Methylene bromide DUP RPD 0 % 30MC50199-1DUP 75-09-2 Methylene chloride DUP RPD 0 % 30MC50199-1DUP 91-20-3 Naphthalene DUP RPD 0 % 30MC50199-1DUP 103-65-1 n-Propylbenzene DUP RPD 0 % 30MC50199-1DUP 100-42-5 Styrene DUP RPD 0 % 30MC50199-1DUP 630-20-6 1,1,1,2-Tetrachloroethane DUP RPD 0 % 30MC50199-1DUP 79-34-5 1,1,2,2-Tetrachloroethane DUP RPD 0 % 30MC50199-1DUP 127-18-4 Tetrachloroethene DUP RPD 0 % 30MC50199-1DUP 109-99-9 Tetrahydrofuran DUP RPD 0 % 30MC50199-1DUP 108-88-3 Toluene DUP RPD 0 % 30MC50199-1DUP 87-61-6 1,2,3-Trichlorobenzene DUP RPD 0 % 30MC50199-1DUP 120-82-1 1,2,4-Trichlorobenzene DUP RPD 0 % 30MC50199-1DUP 71-55-6 1,1,1-Trichloroethane DUP RPD 0 % 30MC50199-1DUP 79-00-5 1,1,2-Trichloroethane DUP RPD 0 % 30MC50199-1DUP 79-01-6 Trichloroethene DUP RPD 0 % 30

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QC Evaluation: CT RCP Limits Page 25 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-1DUP 75-69-4 Trichlorofluoromethane DUP RPD 0 % 30MC50199-1DUP 96-18-4 1,2,3-Trichloropropane DUP RPD 0 % 30MC50199-1DUP 95-63-6 1,2,4-Trimethylbenzene DUP RPD 0 % 30MC50199-1DUP 108-67-8 1,3,5-Trimethylbenzene DUP RPD 0 % 30MC50199-1DUP 75-01-4 Vinyl chloride DUP RPD 0 % 30MC50199-1DUP m,p-Xylene DUP RPD 11 % 30MC50199-1DUP 95-47-6 o-Xylene DUP RPD 0 % 30MC50199-1DUP 1868-53-7 Dibromofluoromethane DUP SURR 100 % 70-130MC50199-1DUP 2037-26-5 Toluene-D8 DUP SURR 98 % 70-130MC50199-1DUP 460-00-4 4-Bromofluorobenzene DUP SURR 117 % 70-130VY7434-MB 1868-53-7 Dibromofluoromethane MB SURR 99 % 70-130VY7434-MB 2037-26-5 Toluene-D8 MB SURR 97 % 70-130VY7434-MB 460-00-4 4-Bromofluorobenzene MB SURR 112 % 70-130MC50199-1 1868-53-7 Dibromofluoromethane SAMP SURR 99 % 70-130MC50199-1 2037-26-5 Toluene-D8 SAMP SURR 98 % 70-130MC50199-1 460-00-4 4-Bromofluorobenzene SAMP SURR 113 % 70-130MC50199-3 1868-53-7 Dibromofluoromethane SAMP SURR 99 % 70-130MC50199-3 2037-26-5 Toluene-D8 SAMP SURR 98 % 70-130MC50199-3 460-00-4 4-Bromofluorobenzene SAMP SURR 113 % 70-130

OP2255 SW846 8270D

OP2255-BS1 83-32-9 Acenaphthene BSP REC 87 % 40-140OP2255-BS1 208-96-8 Acenaphthylene BSP REC 89 % 40-140OP2255-BS1 120-12-7 Anthracene BSP REC 93 % 40-140OP2255-BS1 56-55-3 Benzo(a)anthracene BSP REC 92 % 40-140OP2255-BS1 50-32-8 Benzo(a)pyrene BSP REC 96 % 40-140OP2255-BS1 205-99-2 Benzo(b)fluoranthene BSP REC 92 % 40-140OP2255-BS1 191-24-2 Benzo(g,h,i)perylene BSP REC 94 % 40-140OP2255-BS1 207-08-9 Benzo(k)fluoranthene BSP REC 98 % 40-140OP2255-BS1 218-01-9 Chrysene BSP REC 91 % 40-140OP2255-BS1 53-70-3 Dibenzo(a,h)anthracene BSP REC 96 % 40-140OP2255-BS1 206-44-0 Fluoranthene BSP REC 95 % 40-140OP2255-BS1 86-73-7 Fluorene BSP REC 91 % 40-140OP2255-BS1 193-39-5 Indeno(1,2,3-cd)pyrene BSP REC 86 % 40-140OP2255-BS1 91-57-6 2-Methylnaphthalene BSP REC 79 % 40-140OP2255-BS1 91-20-3 Naphthalene BSP REC 75 % 40-140OP2255-BS1 85-01-8 Phenanthrene BSP REC 91 % 40-140OP2255-BS1 129-00-0 Pyrene BSP REC 95 % 40-140OP2255-BS1 4165-60-0 Nitrobenzene-d5 BSP SURR 75 % 30-130OP2255-BS1 321-60-8 2-Fluorobiphenyl BSP SURR 93 % 30-130OP2255-BS1 1718-51-0 Terphenyl-d14 BSP SURR 100 % 30-130OP2255-BS13 4165-60-0 Nitrobenzene-d5 BSP SURR 73 % 30-130OP2255-BS13 321-60-8 2-Fluorobiphenyl BSP SURR 81 % 30-130OP2255-BS13 1718-51-0 Terphenyl-d14 BSP SURR 100 % 30-130

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QC Evaluation: CT RCP Limits Page 26 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP2255-BSD 83-32-9 Acenaphthene BSD REC 85 % 40-140OP2255-BSD 83-32-9 Acenaphthene BSD RPD 2 % 30OP2255-BSD 208-96-8 Acenaphthylene BSD REC 87 % 40-140OP2255-BSD 208-96-8 Acenaphthylene BSD RPD 3 % 30OP2255-BSD 120-12-7 Anthracene BSD REC 88 % 40-140OP2255-BSD 120-12-7 Anthracene BSD RPD 6 % 30OP2255-BSD 56-55-3 Benzo(a)anthracene BSD REC 87 % 40-140OP2255-BSD 56-55-3 Benzo(a)anthracene BSD RPD 6 % 30OP2255-BSD 50-32-8 Benzo(a)pyrene BSD REC 91 % 40-140OP2255-BSD 50-32-8 Benzo(a)pyrene BSD RPD 5 % 30OP2255-BSD 205-99-2 Benzo(b)fluoranthene BSD REC 87 % 40-140OP2255-BSD 205-99-2 Benzo(b)fluoranthene BSD RPD 6 % 30OP2255-BSD 191-24-2 Benzo(g,h,i)perylene BSD REC 90 % 40-140OP2255-BSD 191-24-2 Benzo(g,h,i)perylene BSD RPD 5 % 30OP2255-BSD 207-08-9 Benzo(k)fluoranthene BSD REC 92 % 40-140OP2255-BSD 207-08-9 Benzo(k)fluoranthene BSD RPD 7 % 30OP2255-BSD 218-01-9 Chrysene BSD REC 86 % 40-140OP2255-BSD 218-01-9 Chrysene BSD RPD 5 % 30OP2255-BSD 53-70-3 Dibenzo(a,h)anthracene BSD REC 91 % 40-140OP2255-BSD 53-70-3 Dibenzo(a,h)anthracene BSD RPD 5 % 30OP2255-BSD 206-44-0 Fluoranthene BSD REC 88 % 40-140OP2255-BSD 206-44-0 Fluoranthene BSD RPD 7 % 30OP2255-BSD 86-73-7 Fluorene BSD REC 88 % 40-140OP2255-BSD 86-73-7 Fluorene BSD RPD 4 % 30OP2255-BSD 193-39-5 Indeno(1,2,3-cd)pyrene BSD REC 82 % 40-140OP2255-BSD 193-39-5 Indeno(1,2,3-cd)pyrene BSD RPD 5 % 30OP2255-BSD 91-57-6 2-Methylnaphthalene BSD REC 79 % 40-140OP2255-BSD 91-57-6 2-Methylnaphthalene BSD RPD 0 % 30OP2255-BSD 91-20-3 Naphthalene BSD REC 73 % 40-140OP2255-BSD 91-20-3 Naphthalene BSD RPD 2 % 30OP2255-BSD 85-01-8 Phenanthrene BSD REC 86 % 40-140OP2255-BSD 85-01-8 Phenanthrene BSD RPD 5 % 30OP2255-BSD 129-00-0 Pyrene BSD REC 90 % 40-140OP2255-BSD 129-00-0 Pyrene BSD RPD 5 % 30OP2255-BSD 4165-60-0 Nitrobenzene-d5 BSD SURR 76 % 30-130OP2255-BSD 321-60-8 2-Fluorobiphenyl BSD SURR 94 % 30-130OP2255-BSD 1718-51-0 Terphenyl-d14 BSD SURR 97 % 30-130OP2255-MS 83-32-9 Acenaphthene MS REC 80 % 40-140OP2255-MS 208-96-8 Acenaphthylene MS REC 82 % 40-140OP2255-MS 120-12-7 Anthracene MS REC 81 % 40-140OP2255-MS 56-55-3 Benzo(a)anthracene MS REC 84 % 40-140OP2255-MS 50-32-8 Benzo(a)pyrene MS REC 80 % 40-140OP2255-MS 205-99-2 Benzo(b)fluoranthene MS REC 76 % 40-140OP2255-MS 191-24-2 Benzo(g,h,i)perylene MS REC 79 % 40-140OP2255-MS 207-08-9 Benzo(k)fluoranthene MS REC 74 % 40-140

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP2255-MS 218-01-9 Chrysene MS REC 79 % 40-140OP2255-MS 53-70-3 Dibenzo(a,h)anthracene MS REC 78 % 40-140OP2255-MS 206-44-0 Fluoranthene MS REC 84 % 40-140OP2255-MS 86-73-7 Fluorene MS REC 79 % 40-140OP2255-MS 193-39-5 Indeno(1,2,3-cd)pyrene MS REC 76 % 40-140OP2255-MS 91-57-6 2-Methylnaphthalene MS REC 74 % 40-140OP2255-MS 91-20-3 Naphthalene MS REC 68 % 40-140OP2255-MS 85-01-8 Phenanthrene MS REC 83 % 40-140OP2255-MS 129-00-0 Pyrene MS REC 104 % 40-140OP2255-MS 4165-60-0 Nitrobenzene-d5 MS SURR 71 % 30-130OP2255-MS 321-60-8 2-Fluorobiphenyl MS SURR 89 % 30-130OP2255-MS 1718-51-0 Terphenyl-d14 MS SURR 101 % 30-130OP2255-MSD 83-32-9 Acenaphthene MSD REC 80 % 40-140OP2255-MSD 83-32-9 Acenaphthene MSD RPD 2 % 30OP2255-MSD 208-96-8 Acenaphthylene MSD REC 82 % 40-140OP2255-MSD 208-96-8 Acenaphthylene MSD RPD 2 % 30OP2255-MSD 120-12-7 Anthracene MSD REC 84 % 40-140OP2255-MSD 120-12-7 Anthracene MSD RPD 4 % 30OP2255-MSD 56-55-3 Benzo(a)anthracene MSD REC 84 % 40-140OP2255-MSD 56-55-3 Benzo(a)anthracene MSD RPD 1 % 30OP2255-MSD 50-32-8 Benzo(a)pyrene MSD REC 81 % 40-140OP2255-MSD 50-32-8 Benzo(a)pyrene MSD RPD 2 % 30OP2255-MSD 205-99-2 Benzo(b)fluoranthene MSD REC 78 % 40-140OP2255-MSD 205-99-2 Benzo(b)fluoranthene MSD RPD 2 % 30OP2255-MSD 191-24-2 Benzo(g,h,i)perylene MSD REC 82 % 40-140OP2255-MSD 191-24-2 Benzo(g,h,i)perylene MSD RPD 4 % 30OP2255-MSD 207-08-9 Benzo(k)fluoranthene MSD REC 80 % 40-140OP2255-MSD 207-08-9 Benzo(k)fluoranthene MSD RPD 8 % 30OP2255-MSD 218-01-9 Chrysene MSD REC 79 % 40-140OP2255-MSD 218-01-9 Chrysene MSD RPD 2 % 30OP2255-MSD 53-70-3 Dibenzo(a,h)anthracene MSD REC 84 % 40-140OP2255-MSD 53-70-3 Dibenzo(a,h)anthracene MSD RPD 8 % 30OP2255-MSD 206-44-0 Fluoranthene MSD REC 85 % 40-140OP2255-MSD 206-44-0 Fluoranthene MSD RPD 2 % 30OP2255-MSD 86-73-7 Fluorene MSD REC 80 % 40-140OP2255-MSD 86-73-7 Fluorene MSD RPD 3 % 30OP2255-MSD 193-39-5 Indeno(1,2,3-cd)pyrene MSD REC 77 % 40-140OP2255-MSD 193-39-5 Indeno(1,2,3-cd)pyrene MSD RPD 3 % 30OP2255-MSD 91-57-6 2-Methylnaphthalene MSD REC 74 % 40-140OP2255-MSD 91-57-6 2-Methylnaphthalene MSD RPD 1 % 30OP2255-MSD 91-20-3 Naphthalene MSD REC 67 % 40-140OP2255-MSD 91-20-3 Naphthalene MSD RPD 0 % 30OP2255-MSD 85-01-8 Phenanthrene MSD REC 82 % 40-140OP2255-MSD 85-01-8 Phenanthrene MSD RPD 1 % 30OP2255-MSD 129-00-0 Pyrene MSD REC 97 % 40-140

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP2255-MSD 129-00-0 Pyrene MSD RPD 4 % 30OP2255-MSD 4165-60-0 Nitrobenzene-d5 MSD SURR 70 % 30-130OP2255-MSD 321-60-8 2-Fluorobiphenyl MSD SURR 89 % 30-130OP2255-MSD 1718-51-0 Terphenyl-d14 MSD SURR 101 % 30-130OP2255-MB1 4165-60-0 Nitrobenzene-d5 MB SURR 83 % 30-130OP2255-MB1 4165-60-0 Nitrobenzene-d5 MB SURR 101 % 30-130OP2255-MB1 321-60-8 2-Fluorobiphenyl MB SURR 93 % 30-130OP2255-MB1 321-60-8 2-Fluorobiphenyl MB SURR 96 % 30-130OP2255-MB1 1718-51-0 Terphenyl-d14 MB SURR 98 % 30-130OP2255-MB1 1718-51-0 Terphenyl-d14 MB SURR 87 % 30-130MC50199-1 4165-60-0 Nitrobenzene-d5 SAMP SURR 76 % 30-130MC50199-1 321-60-8 2-Fluorobiphenyl SAMP SURR 86 % 30-130MC50199-1 1718-51-0 Terphenyl-d14 SAMP SURR 101 % 30-130MC50199-2 4165-60-0 Nitrobenzene-d5 SAMP SURR 85 % 30-130MC50199-2 321-60-8 2-Fluorobiphenyl SAMP SURR 81 % 30-130MC50199-2 1718-51-0 Terphenyl-d14 SAMP SURR 76 % 30-130MC50199-3 4165-60-0 Nitrobenzene-d5 SAMP SURR 79 % 30-130MC50199-3 4165-60-0 Nitrobenzene-d5 SAMP SURR 81 % 30-130MC50199-3 321-60-8 2-Fluorobiphenyl SAMP SURR 78 % 30-130MC50199-3 321-60-8 2-Fluorobiphenyl SAMP SURR 79 % 30-130MC50199-3 1718-51-0 Terphenyl-d14 SAMP SURR 76 % 30-130MC50199-3 1718-51-0 Terphenyl-d14 SAMP SURR 73 % 30-130MC50199-4 4165-60-0 Nitrobenzene-d5 SAMP SURR 68 % 30-130MC50199-4 321-60-8 2-Fluorobiphenyl SAMP SURR 67 % 30-130MC50199-4 1718-51-0 Terphenyl-d14 SAMP SURR 59 % 30-130MC50199-5 4165-60-0 Nitrobenzene-d5 SAMP SURR 57 % 30-130MC50199-5 321-60-8 2-Fluorobiphenyl SAMP SURR 55 % 30-130MC50199-5 1718-51-0 Terphenyl-d14 SAMP SURR 47 % 30-130MC50199-6 4165-60-0 Nitrobenzene-d5 SAMP SURR 91 % 30-130MC50199-6 321-60-8 2-Fluorobiphenyl SAMP SURR 98 % 30-130MC50199-6 1718-51-0 Terphenyl-d14 SAMP SURR 89 % 30-130MC50199-7 4165-60-0 Nitrobenzene-d5 SAMP SURR 94 % 30-130MC50199-7 321-60-8 2-Fluorobiphenyl SAMP SURR 99 % 30-130MC50199-7 1718-51-0 Terphenyl-d14 SAMP SURR 93 % 30-130MC50199-8 4165-60-0 Nitrobenzene-d5 SAMP SURR 78 % 30-130MC50199-8 321-60-8 2-Fluorobiphenyl SAMP SURR 74 % 30-130MC50199-8 1718-51-0 Terphenyl-d14 SAMP SURR 69 % 30-130MC50199-9 4165-60-0 Nitrobenzene-d5 SAMP SURR 89 % 30-130MC50199-9 321-60-8 2-Fluorobiphenyl SAMP SURR 91 % 30-130MC50199-9 1718-51-0 Terphenyl-d14 SAMP SURR 81 % 30-130MC50199-10 4165-60-0 Nitrobenzene-d5 SAMP SURR 76 % 30-130MC50199-10 321-60-8 2-Fluorobiphenyl SAMP SURR 75 % 30-130MC50199-10 1718-51-0 Terphenyl-d14 SAMP SURR 70 % 30-130MC50199-11 4165-60-0 Nitrobenzene-d5 SAMP SURR 62 % 30-130MC50199-11 321-60-8 2-Fluorobiphenyl SAMP SURR 62 % 30-130

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QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-11 1718-51-0 Terphenyl-d14 SAMP SURR 59 % 30-130MC50199-12 4165-60-0 Nitrobenzene-d5 SAMP SURR 85 % 30-130MC50199-12 321-60-8 2-Fluorobiphenyl SAMP SURR 94 % 30-130MC50199-12 1718-51-0 Terphenyl-d14 SAMP SURR 89 % 30-130MC50199-13 4165-60-0 Nitrobenzene-d5 SAMP SURR 58 % 30-130MC50199-13 321-60-8 2-Fluorobiphenyl SAMP SURR 55 % 30-130MC50199-13 1718-51-0 Terphenyl-d14 SAMP SURR 49 % 30-130

OP2256 SW846 8270D

OP2256-BS1 83-32-9 Acenaphthene BSP REC 81 % 40-140OP2256-BS1 83-32-9 Acenaphthene BSP REC 88 % 40-140OP2256-BS1 208-96-8 Acenaphthylene BSP REC 91 % 40-140OP2256-BS1 208-96-8 Acenaphthylene BSP REC 83 % 40-140OP2256-BS1 120-12-7 Anthracene BSP REC 88 % 40-140OP2256-BS1 120-12-7 Anthracene BSP REC 81 % 40-140OP2256-BS1 56-55-3 Benzo(a)anthracene BSP REC 88 % 40-140OP2256-BS1 56-55-3 Benzo(a)anthracene BSP REC 97 % 40-140OP2256-BS1 50-32-8 Benzo(a)pyrene BSP REC 89 % 40-140OP2256-BS1 50-32-8 Benzo(a)pyrene BSP REC 94 % 40-140OP2256-BS1 205-99-2 Benzo(b)fluoranthene BSP REC 90 % 40-140OP2256-BS1 205-99-2 Benzo(b)fluoranthene BSP REC 86 % 40-140OP2256-BS1 191-24-2 Benzo(g,h,i)perylene BSP REC 79 % 40-140OP2256-BS1 191-24-2 Benzo(g,h,i)perylene BSP REC 80 % 40-140OP2256-BS1 207-08-9 Benzo(k)fluoranthene BSP REC 89 % 40-140OP2256-BS1 207-08-9 Benzo(k)fluoranthene BSP REC 89 % 40-140OP2256-BS1 218-01-9 Chrysene BSP REC 89 % 40-140OP2256-BS1 218-01-9 Chrysene BSP REC 87 % 40-140OP2256-BS1 53-70-3 Dibenzo(a,h)anthracene BSP REC 85 % 40-140OP2256-BS1 53-70-3 Dibenzo(a,h)anthracene BSP REC 77 % 40-140OP2256-BS1 206-44-0 Fluoranthene BSP REC 85 % 40-140OP2256-BS1 206-44-0 Fluoranthene BSP REC 91 % 40-140OP2256-BS1 86-73-7 Fluorene BSP REC 83 % 40-140OP2256-BS1 86-73-7 Fluorene BSP REC 89 % 40-140OP2256-BS1 193-39-5 Indeno(1,2,3-cd)pyrene BSP REC 76 % 40-140OP2256-BS1 193-39-5 Indeno(1,2,3-cd)pyrene BSP REC 82 % 40-140OP2256-BS1 91-57-6 2-Methylnaphthalene BSP REC 92 % 40-140OP2256-BS1 91-57-6 2-Methylnaphthalene BSP REC 74 % 40-140OP2256-BS1 91-20-3 Naphthalene BSP REC 69 % 40-140OP2256-BS1 91-20-3 Naphthalene BSP REC 82 % 40-140OP2256-BS1 85-01-8 Phenanthrene BSP REC 83 % 40-140OP2256-BS1 85-01-8 Phenanthrene BSP REC 80 % 40-140OP2256-BS1 129-00-0 Pyrene BSP REC 92 % 40-140OP2256-BS1 129-00-0 Pyrene BSP REC 97 % 40-140OP2256-BS1 4165-60-0 Nitrobenzene-d5 BSP SURR 87 % 30-130

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QC Evaluation: CT RCP Limits Page 30 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP2256-BS1 4165-60-0 Nitrobenzene-d5 BSP SURR 95 % 30-130OP2256-BS1 321-60-8 2-Fluorobiphenyl BSP SURR 88 % 30-130OP2256-BS1 321-60-8 2-Fluorobiphenyl BSP SURR 91 % 30-130OP2256-BS1 1718-51-0 Terphenyl-d14 BSP SURR 96 % 30-130OP2256-BS1 1718-51-0 Terphenyl-d14 BSP SURR 101 % 30-130OP2256-MS 83-32-9 Acenaphthene MS REC 62 % 40-140OP2256-MS 208-96-8 Acenaphthylene MS REC 62 % 40-140OP2256-MS 120-12-7 Anthracene MS REC 61 % 40-140OP2256-MS 56-55-3 Benzo(a)anthracene MS REC 76 % 40-140OP2256-MS 50-32-8 Benzo(a)pyrene MS REC 65 % 40-140OP2256-MS 205-99-2 Benzo(b)fluoranthene MS REC 62 % 40-140OP2256-MS 191-24-2 Benzo(g,h,i)perylene MS REC 55 % 40-140OP2256-MS 207-08-9 Benzo(k)fluoranthene MS REC 63 % 40-140OP2256-MS 218-01-9 Chrysene MS REC 74 % 40-140OP2256-MS 53-70-3 Dibenzo(a,h)anthracene MS REC 56 % 40-140OP2256-MS 206-44-0 Fluoranthene MS REC 92 % 40-140OP2256-MS 86-73-7 Fluorene MS REC 65 % 40-140OP2256-MS 193-39-5 Indeno(1,2,3-cd)pyrene MS REC 59 % 40-140OP2256-MS 91-57-6 2-Methylnaphthalene MS REC 59 % 40-140OP2256-MS 91-20-3 Naphthalene MS REC 57 % 40-140OP2256-MS 85-01-8 Phenanthrene MS REC 69 % 40-140OP2256-MS 129-00-0 Pyrene MS REC 83 % 40-140OP2256-MS 4165-60-0 Nitrobenzene-d5 MS SURR 68 % 30-130OP2256-MS 321-60-8 2-Fluorobiphenyl MS SURR 70 % 30-130OP2256-MS 1718-51-0 Terphenyl-d14 MS SURR 70 % 30-130OP2256-MSD 83-32-9 Acenaphthene MSD REC 60 % 40-140OP2256-MSD 83-32-9 Acenaphthene MSD RPD 7 % 30OP2256-MSD 208-96-8 Acenaphthylene MSD REC 61 % 40-140OP2256-MSD 208-96-8 Acenaphthylene MSD RPD 5 % 30OP2256-MSD 120-12-7 Anthracene MSD REC 60 % 40-140OP2256-MSD 120-12-7 Anthracene MSD RPD 5 % 30OP2256-MSD 56-55-3 Benzo(a)anthracene MSD REC 65 % 40-140OP2256-MSD 56-55-3 Benzo(a)anthracene MSD RPD 12 % 30OP2256-MSD 50-32-8 Benzo(a)pyrene MSD REC 62 % 40-140OP2256-MSD 50-32-8 Benzo(a)pyrene MSD RPD 5 % 30OP2256-MSD 205-99-2 Benzo(b)fluoranthene MSD REC 50 % 40-140OP2256-MSD 205-99-2 Benzo(b)fluoranthene MSD RPD 10 % 30OP2256-MSD 191-24-2 Benzo(g,h,i)perylene MSD REC 50 % 40-140OP2256-MSD 191-24-2 Benzo(g,h,i)perylene MSD RPD 7 % 30OP2256-MSD 207-08-9 Benzo(k)fluoranthene MSD REC 56 % 40-140OP2256-MSD 207-08-9 Benzo(k)fluoranthene MSD RPD 10 % 30OP2256-MSD 218-01-9 Chrysene MSD REC 59 % 40-140OP2256-MSD 218-01-9 Chrysene MSD RPD 12 % 30OP2256-MSD 53-70-3 Dibenzo(a,h)anthracene MSD REC 55 % 40-140OP2256-MSD 53-70-3 Dibenzo(a,h)anthracene MSD RPD 5 % 30

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 31 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

OP2256-MSD 206-44-0 Fluoranthene MSD REC 60 % 40-140OP2256-MSD 206-44-0 Fluoranthene MSD RPD 19 % 30OP2256-MSD 86-73-7 Fluorene MSD REC 63 % 40-140OP2256-MSD 86-73-7 Fluorene MSD RPD 7 % 30OP2256-MSD 193-39-5 Indeno(1,2,3-cd)pyrene MSD REC 52 % 40-140OP2256-MSD 193-39-5 Indeno(1,2,3-cd)pyrene MSD RPD 9 % 30OP2256-MSD 91-57-6 2-Methylnaphthalene MSD REC 58 % 40-140OP2256-MSD 91-57-6 2-Methylnaphthalene MSD RPD 6 % 30OP2256-MSD 91-20-3 Naphthalene MSD REC 53 % 40-140OP2256-MSD 91-20-3 Naphthalene MSD RPD 10 % 30OP2256-MSD 85-01-8 Phenanthrene MSD REC 57 % 40-140OP2256-MSD 85-01-8 Phenanthrene MSD RPD 15 % 30OP2256-MSD 129-00-0 Pyrene MSD REC 61 % 40-140OP2256-MSD 129-00-0 Pyrene MSD RPD 15 % 30OP2256-MSD 4165-60-0 Nitrobenzene-d5 MSD SURR 67 % 30-130OP2256-MSD 321-60-8 2-Fluorobiphenyl MSD SURR 68 % 30-130OP2256-MSD 1718-51-0 Terphenyl-d14 MSD SURR 70 % 30-130OP2256-MB1 4165-60-0 Nitrobenzene-d5 MB SURR 99 % 30-130OP2256-MB1 4165-60-0 Nitrobenzene-d5 MB SURR 94 % 30-130OP2256-MB1 321-60-8 2-Fluorobiphenyl MB SURR 91 % 30-130OP2256-MB1 321-60-8 2-Fluorobiphenyl MB SURR 90 % 30-130OP2256-MB1 1718-51-0 Terphenyl-d14 MB SURR 101 % 30-130OP2256-MB1 1718-51-0 Terphenyl-d14 MB SURR 98 % 30-130MC50199-14 4165-60-0 Nitrobenzene-d5 SAMP SURR 71 % 30-130MC50199-14 321-60-8 2-Fluorobiphenyl SAMP SURR 68 % 30-130MC50199-14 1718-51-0 Terphenyl-d14 SAMP SURR 69 % 30-130MC50199-15 4165-60-0 Nitrobenzene-d5 SAMP SURR 40 % 30-130MC50199-15 321-60-8 2-Fluorobiphenyl SAMP SURR 43 % 30-130MC50199-15 1718-51-0 Terphenyl-d14 SAMP SURR 46 % 30-130MC50199-16 4165-60-0 Nitrobenzene-d5 SAMP SURR 62 % 30-130MC50199-16 321-60-8 2-Fluorobiphenyl SAMP SURR 64 % 30-130MC50199-16 1718-51-0 Terphenyl-d14 SAMP SURR 74 % 30-130MC50199-17 4165-60-0 Nitrobenzene-d5 SAMP SURR 45 % 30-130MC50199-17 321-60-8 2-Fluorobiphenyl SAMP SURR 56 % 30-130MC50199-17 1718-51-0 Terphenyl-d14 SAMP SURR 66 % 30-130MC50199-18 4165-60-0 Nitrobenzene-d5 SAMP SURR 63 % 30-130MC50199-18 321-60-8 2-Fluorobiphenyl SAMP SURR 56 % 30-130MC50199-18 1718-51-0 Terphenyl-d14 SAMP SURR 58 % 30-130MC50199-19 4165-60-0 Nitrobenzene-d5 SAMP SURR 60 % 30-130MC50199-19 321-60-8 2-Fluorobiphenyl SAMP SURR 57 % 30-130MC50199-19 1718-51-0 Terphenyl-d14 SAMP SURR 61 % 30-130MC50199-20 4165-60-0 Nitrobenzene-d5 SAMP SURR 76 % 30-130MC50199-20 321-60-8 2-Fluorobiphenyl SAMP SURR 75 % 30-130MC50199-20 1718-51-0 Terphenyl-d14 SAMP SURR 82 % 30-130MC50199-21 4165-60-0 Nitrobenzene-d5 SAMP SURR 57 % 30-130

* Sample used for QC is not from job MC50199

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QC Evaluation: CT RCP Limits Page 32 of 32 Job Number: MC50199Account: SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CTCollected: 04/18/17 thru 04/19/17

QC Sample ID CAS# Analyte Sample Result Result Units LimitsType Type

MC50199-21 321-60-8 2-Fluorobiphenyl SAMP SURR 59 % 30-130MC50199-21 1718-51-0 Terphenyl-d14 SAMP SURR 67 % 30-130MC50199-22 4165-60-0 Nitrobenzene-d5 SAMP SURR 68 % 30-130MC50199-22 321-60-8 2-Fluorobiphenyl SAMP SURR 70 % 30-130MC50199-22 1718-51-0 Terphenyl-d14 SAMP SURR 77 % 30-130MC50199-23 4165-60-0 Nitrobenzene-d5 SAMP SURR 61 % 30-130MC50199-23 321-60-8 2-Fluorobiphenyl SAMP SURR 67 % 30-130MC50199-23 1718-51-0 Terphenyl-d14 SAMP SURR 76 % 30-130MC50199-24 4165-60-0 Nitrobenzene-d5 SAMP SURR 69 % 30-130MC50199-24 321-60-8 2-Fluorobiphenyl SAMP SURR 72 % 30-130MC50199-24 1718-51-0 Terphenyl-d14 SAMP SURR 81 % 30-130MC50199-25 4165-60-0 Nitrobenzene-d5 SAMP SURR 60 % 30-130MC50199-25 321-60-8 2-Fluorobiphenyl SAMP SURR 61 % 30-130MC50199-25 1718-51-0 Terphenyl-d14 SAMP SURR 67 % 30-130MC50199-26 4165-60-0 Nitrobenzene-d5 SAMP SURR 77 % 30-130MC50199-26 321-60-8 2-Fluorobiphenyl SAMP SURR 78 % 30-130MC50199-26 1718-51-0 Terphenyl-d14 SAMP SURR 84 % 30-130MC50199-27 4165-60-0 Nitrobenzene-d5 SAMP SURR 71 % 30-130MC50199-27 321-60-8 2-Fluorobiphenyl SAMP SURR 74 % 30-130MC50199-27 1718-51-0 Terphenyl-d14 SAMP SURR 80 % 30-130MC50199-28 4165-60-0 Nitrobenzene-d5 SAMP SURR 77 % 30-130MC50199-28 321-60-8 2-Fluorobiphenyl SAMP SURR 77 % 30-130MC50199-28 1718-51-0 Terphenyl-d14 SAMP SURR 82 % 30-130MC50199-29 4165-60-0 Nitrobenzene-d5 SAMP SURR 66 % 30-130MC50199-29 321-60-8 2-Fluorobiphenyl SAMP SURR 66 % 30-130MC50199-29 1718-51-0 Terphenyl-d14 SAMP SURR 70 % 30-130

(a) High RPD due to possible sample nonhomogeneity.

* Sample used for QC is not from job MC50199

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SGS Accutest

GC/MS Volatiles

QC Data Summaries

(SGS Accutest New Jersey)

Includes the following where applicable:

• Method Blank Summaries• Blank Spike Summaries• Matrix Spike and Duplicate Summaries• Internal Standard Area Summaries• Surrogate Recovery Summaries

New EnglandSection 8

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Method Blank Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-MB V168138.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Compound Result RL Units Q

67-64-1 Acetone ND 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.50 ug/kg108-86-1 Bromobenzene ND 5.0 ug/kg75-27-4 Bromodichloromethane ND 2.0 ug/kg75-25-2 Bromoform ND 5.0 ug/kg74-83-9 Bromomethane ND 5.0 ug/kg78-93-3 2-Butanone (MEK) ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.0 ug/kg135-98-8 sec-Butylbenzene ND 2.0 ug/kg98-06-6 tert-Butylbenzene ND 2.0 ug/kg75-15-0 Carbon disulfide ND 2.0 ug/kg56-23-5 Carbon tetrachloride ND 2.0 ug/kg108-90-7 Chlorobenzene ND 2.0 ug/kg75-00-3 Chloroethane ND 5.0 ug/kg67-66-3 Chloroform ND 2.0 ug/kg74-87-3 Chloromethane ND 5.0 ug/kg95-49-8 o-Chlorotoluene ND 2.0 ug/kg106-43-4 p-Chlorotoluene ND 2.0 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 ug/kg124-48-1 Dibromochloromethane ND 2.0 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.0 ug/kg75-71-8 Dichlorodifluoromethane ND 5.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg78-87-5 1,2-Dichloropropane ND 2.0 ug/kg142-28-9 1,3-Dichloropropane ND 2.0 ug/kg594-20-7 2,2-Dichloropropane ND 2.0 ug/kg563-58-6 1,1-Dichloropropene ND 2.0 ug/kg

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Method Blank Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-MB V168138.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Compound Result RL Units Q

10061-01-5 cis-1,3-Dichloropropene ND 2.0 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.0 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.0 ug/kg87-68-3 Hexachlorobutadiene ND 5.0 ug/kg591-78-6 2-Hexanone ND 5.0 ug/kg98-82-8 Isopropylbenzene ND 2.0 ug/kg99-87-6 p-Isopropyltoluene ND 2.0 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.0 ug/kg74-95-3 Methylene bromide ND 5.0 ug/kg75-09-2 Methylene chloride ND 5.0 ug/kg91-20-3 Naphthalene ND 5.0 ug/kg103-65-1 n-Propylbenzene ND 2.0 ug/kg100-42-5 Styrene ND 2.0 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.0 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 ug/kg127-18-4 Tetrachloroethene ND 2.0 ug/kg109-99-9 Tetrahydrofuran ND 10 ug/kg108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.0 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.0 ug/kg79-01-6 Trichloroethene ND 1.0 ug/kg75-69-4 Trichlorofluoromethane ND 5.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.0 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.0 ug/kg75-01-4 Vinyl chloride ND 2.0 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

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Method Blank Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-MB V168138.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Surrogate Recoveries Limits

1868-53-7 Dibromofluoromethane 109% 70-122%17060-07-0 1,2-Dichloroethane-D4 99% 68-124%2037-26-5 Toluene-D8 95% 77-125%460-00-4 4-Bromofluorobenzene 94% 72-130%

CAS No. Tentatively Identified Compounds R.T. Est. Conc. Units Q

Total TIC, Volatile 0 ug/kg

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Method Blank Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-MB Y171806.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Compound Result RL Units Q

67-64-1 Acetone ND 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.50 ug/kg108-86-1 Bromobenzene ND 5.0 ug/kg75-27-4 Bromodichloromethane ND 2.0 ug/kg75-25-2 Bromoform ND 5.0 ug/kg74-83-9 Bromomethane ND 5.0 ug/kg78-93-3 2-Butanone (MEK) ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.0 ug/kg135-98-8 sec-Butylbenzene ND 2.0 ug/kg98-06-6 tert-Butylbenzene ND 2.0 ug/kg75-15-0 Carbon disulfide ND 2.0 ug/kg56-23-5 Carbon tetrachloride ND 2.0 ug/kg108-90-7 Chlorobenzene ND 2.0 ug/kg75-00-3 Chloroethane ND 5.0 ug/kg67-66-3 Chloroform ND 2.0 ug/kg74-87-3 Chloromethane ND 5.0 ug/kg95-49-8 o-Chlorotoluene ND 2.0 ug/kg106-43-4 p-Chlorotoluene ND 2.0 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 ug/kg124-48-1 Dibromochloromethane ND 2.0 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.0 ug/kg75-71-8 Dichlorodifluoromethane ND 5.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg78-87-5 1,2-Dichloropropane ND 2.0 ug/kg142-28-9 1,3-Dichloropropane ND 2.0 ug/kg594-20-7 2,2-Dichloropropane ND 2.0 ug/kg563-58-6 1,1-Dichloropropene ND 2.0 ug/kg

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Method Blank Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-MB Y171806.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Compound Result RL Units Q

10061-01-5 cis-1,3-Dichloropropene ND 2.0 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.0 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.0 ug/kg87-68-3 Hexachlorobutadiene ND 5.0 ug/kg591-78-6 2-Hexanone ND 5.0 ug/kg98-82-8 Isopropylbenzene ND 2.0 ug/kg99-87-6 p-Isopropyltoluene ND 2.0 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.0 ug/kg74-95-3 Methylene bromide ND 5.0 ug/kg75-09-2 Methylene chloride ND 5.0 ug/kg91-20-3 Naphthalene ND 5.0 ug/kg103-65-1 n-Propylbenzene ND 2.0 ug/kg100-42-5 Styrene ND 2.0 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.0 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 ug/kg127-18-4 Tetrachloroethene ND 2.0 ug/kg109-99-9 Tetrahydrofuran 6.8 10 ug/kg J108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.0 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.0 ug/kg79-01-6 Trichloroethene ND 1.0 ug/kg75-69-4 Trichlorofluoromethane ND 5.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.0 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.0 ug/kg75-01-4 Vinyl chloride ND 2.0 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

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Method Blank Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-MB Y171806.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Surrogate Recoveries Limits

1868-53-7 Dibromofluoromethane 99% 70-122%17060-07-0 1,2-Dichloroethane-D4 97% 68-124%2037-26-5 Toluene-D8 97% 77-125%460-00-4 4-Bromofluorobenzene 112% 72-130%

CAS No. Tentatively Identified Compounds R.T. Est. Conc. Units Q

Total TIC, Volatile 0 ug/kg

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Method Blank Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-MB 3C136782.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

CAS No. Compound Result RL Units Q

67-64-1 Acetone ND 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.50 ug/kg108-86-1 Bromobenzene ND 5.0 ug/kg75-27-4 Bromodichloromethane ND 2.0 ug/kg75-25-2 Bromoform ND 5.0 ug/kg74-83-9 Bromomethane ND 5.0 ug/kg78-93-3 2-Butanone (MEK) ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.0 ug/kg135-98-8 sec-Butylbenzene ND 2.0 ug/kg98-06-6 tert-Butylbenzene ND 2.0 ug/kg75-15-0 Carbon disulfide ND 2.0 ug/kg56-23-5 Carbon tetrachloride ND 2.0 ug/kg108-90-7 Chlorobenzene ND 2.0 ug/kg75-00-3 Chloroethane ND 5.0 ug/kg67-66-3 Chloroform ND 2.0 ug/kg74-87-3 Chloromethane ND 5.0 ug/kg95-49-8 o-Chlorotoluene ND 2.0 ug/kg106-43-4 p-Chlorotoluene ND 2.0 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 ug/kg124-48-1 Dibromochloromethane ND 2.0 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.0 ug/kg75-71-8 Dichlorodifluoromethane ND 5.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg78-87-5 1,2-Dichloropropane ND 2.0 ug/kg142-28-9 1,3-Dichloropropane ND 2.0 ug/kg594-20-7 2,2-Dichloropropane ND 2.0 ug/kg563-58-6 1,1-Dichloropropene ND 2.0 ug/kg

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88.1.3

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Method Blank Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-MB 3C136782.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

CAS No. Compound Result RL Units Q

10061-01-5 cis-1,3-Dichloropropene ND 2.0 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.0 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.0 ug/kg87-68-3 Hexachlorobutadiene ND 5.0 ug/kg591-78-6 2-Hexanone ND 5.0 ug/kg98-82-8 Isopropylbenzene ND 2.0 ug/kg99-87-6 p-Isopropyltoluene ND 2.0 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.0 ug/kg74-95-3 Methylene bromide ND 5.0 ug/kg75-09-2 Methylene chloride ND 5.0 ug/kg91-20-3 Naphthalene ND 5.0 ug/kg103-65-1 n-Propylbenzene ND 2.0 ug/kg100-42-5 Styrene ND 2.0 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.0 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 ug/kg127-18-4 Tetrachloroethene ND 2.0 ug/kg109-99-9 Tetrahydrofuran ND 10 ug/kg108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.0 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.0 ug/kg79-01-6 Trichloroethene 0.21 1.0 ug/kg J75-69-4 Trichlorofluoromethane ND 5.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.0 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.0 ug/kg75-01-4 Vinyl chloride ND 2.0 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

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88.1.3

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Method Blank Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-MB 3C136782.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

CAS No. Surrogate Recoveries Limits

1868-53-7 Dibromofluoromethane 96% 70-122%17060-07-0 1,2-Dichloroethane-D4 89% 68-124%2037-26-5 Toluene-D8 106% 77-125%460-00-4 4-Bromofluorobenzene 106% 72-130%

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88.1.3

Page 537: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Method Blank Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-MB V168185.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

CAS No. Compound Result RL Units Q

67-64-1 Acetone ND 10 ug/kg107-13-1 Acrylonitrile ND 10 ug/kg71-43-2 Benzene ND 0.50 ug/kg108-86-1 Bromobenzene ND 5.0 ug/kg75-27-4 Bromodichloromethane ND 2.0 ug/kg75-25-2 Bromoform ND 5.0 ug/kg74-83-9 Bromomethane ND 5.0 ug/kg78-93-3 2-Butanone (MEK) ND 10 ug/kg104-51-8 n-Butylbenzene ND 2.0 ug/kg135-98-8 sec-Butylbenzene ND 2.0 ug/kg98-06-6 tert-Butylbenzene ND 2.0 ug/kg75-15-0 Carbon disulfide ND 2.0 ug/kg56-23-5 Carbon tetrachloride ND 2.0 ug/kg108-90-7 Chlorobenzene ND 2.0 ug/kg75-00-3 Chloroethane ND 5.0 ug/kg67-66-3 Chloroform ND 2.0 ug/kg74-87-3 Chloromethane ND 5.0 ug/kg95-49-8 o-Chlorotoluene ND 2.0 ug/kg106-43-4 p-Chlorotoluene ND 2.0 ug/kg96-12-8 1,2-Dibromo-3-chloropropane ND 2.0 ug/kg124-48-1 Dibromochloromethane ND 2.0 ug/kg106-93-4 1,2-Dibromoethane ND 1.0 ug/kg95-50-1 1,2-Dichlorobenzene ND 1.0 ug/kg541-73-1 1,3-Dichlorobenzene ND 1.0 ug/kg106-46-7 1,4-Dichlorobenzene ND 1.0 ug/kg110-57-6 Trans-1,4-Dichloro-2-Butene ND 5.0 ug/kg75-71-8 Dichlorodifluoromethane ND 5.0 ug/kg75-34-3 1,1-Dichloroethane ND 1.0 ug/kg107-06-2 1,2-Dichloroethane ND 1.0 ug/kg75-35-4 1,1-Dichloroethene ND 1.0 ug/kg156-59-2 cis-1,2-Dichloroethene ND 1.0 ug/kg156-60-5 trans-1,2-Dichloroethene ND 1.0 ug/kg78-87-5 1,2-Dichloropropane ND 2.0 ug/kg142-28-9 1,3-Dichloropropane ND 2.0 ug/kg594-20-7 2,2-Dichloropropane ND 2.0 ug/kg563-58-6 1,1-Dichloropropene ND 2.0 ug/kg

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88.1.4

Page 538: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Method Blank Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-MB V168185.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

CAS No. Compound Result RL Units Q

10061-01-5 cis-1,3-Dichloropropene ND 2.0 ug/kg10061-02-6 trans-1,3-Dichloropropene ND 2.0 ug/kg100-41-4 Ethylbenzene ND 1.0 ug/kg76-13-1 Freon 113 ND 5.0 ug/kg87-68-3 Hexachlorobutadiene ND 5.0 ug/kg591-78-6 2-Hexanone ND 5.0 ug/kg98-82-8 Isopropylbenzene ND 2.0 ug/kg99-87-6 p-Isopropyltoluene ND 2.0 ug/kg1634-04-4 Methyl Tert Butyl Ether ND 1.0 ug/kg108-10-1 4-Methyl-2-pentanone(MIBK) ND 5.0 ug/kg74-95-3 Methylene bromide ND 5.0 ug/kg75-09-2 Methylene chloride ND 5.0 ug/kg91-20-3 Naphthalene ND 5.0 ug/kg103-65-1 n-Propylbenzene ND 2.0 ug/kg100-42-5 Styrene ND 2.0 ug/kg630-20-6 1,1,1,2-Tetrachloroethane ND 2.0 ug/kg79-34-5 1,1,2,2-Tetrachloroethane ND 2.0 ug/kg127-18-4 Tetrachloroethene ND 2.0 ug/kg109-99-9 Tetrahydrofuran ND 10 ug/kg108-88-3 Toluene ND 1.0 ug/kg87-61-6 1,2,3-Trichlorobenzene ND 5.0 ug/kg120-82-1 1,2,4-Trichlorobenzene ND 5.0 ug/kg71-55-6 1,1,1-Trichloroethane ND 2.0 ug/kg79-00-5 1,1,2-Trichloroethane ND 2.0 ug/kg79-01-6 Trichloroethene ND 1.0 ug/kg75-69-4 Trichlorofluoromethane ND 5.0 ug/kg96-18-4 1,2,3-Trichloropropane ND 5.0 ug/kg95-63-6 1,2,4-Trimethylbenzene ND 2.0 ug/kg108-67-8 1,3,5-Trimethylbenzene ND 2.0 ug/kg75-01-4 Vinyl chloride ND 2.0 ug/kg

m,p-Xylene ND 1.0 ug/kg95-47-6 o-Xylene ND 1.0 ug/kg

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88.1.4

Page 539: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Method Blank Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-MB V168185.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

CAS No. Surrogate Recoveries Limits

1868-53-7 Dibromofluoromethane 105% 70-122%17060-07-0 1,2-Dichloroethane-D4 95% 68-124%2037-26-5 Toluene-D8 93% 77-125%460-00-4 4-Bromofluorobenzene 88% 72-130%

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88.1.4

Page 540: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-BS 3C136783.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

67-64-1 Acetone 200 183 92 30-150107-13-1 Acrylonitrile 50 50.6 101 69-13871-43-2 Benzene 50 48.1 96 77-122108-86-1 Bromobenzene 50 45.0 90 80-12275-27-4 Bromodichloromethane 50 47.8 96 82-13075-25-2 Bromoform 50 51.1 102 78-13474-83-9 Bromomethane 50 44.2 88 56-14178-93-3 2-Butanone (MEK) 200 214 107 61-139104-51-8 n-Butylbenzene 50 46.9 94 69-127135-98-8 sec-Butylbenzene 50 43.0 86 70-12598-06-6 tert-Butylbenzene 50 43.7 87 70-12675-15-0 Carbon disulfide 50 47.1 94 68-13156-23-5 Carbon tetrachloride 50 44.4 89 73-139108-90-7 Chlorobenzene 50 49.7 99 79-12075-00-3 Chloroethane 50 43.4 87 64-15067-66-3 Chloroform 50 46.2 92 77-12374-87-3 Chloromethane 50 38.0 76 50-14095-49-8 o-Chlorotoluene 50 44.3 89 74-123106-43-4 p-Chlorotoluene 50 47.2 94 73-12196-12-8 1,2-Dibromo-3-chloropropane 50 46.1 92 70-128124-48-1 Dibromochloromethane 50 49.5 99 82-129106-93-4 1,2-Dibromoethane 50 49.9 100 83-12595-50-1 1,2-Dichlorobenzene 50 46.7 93 79-118541-73-1 1,3-Dichlorobenzene 50 46.5 93 76-119106-46-7 1,4-Dichlorobenzene 50 46.6 93 75-118110-57-6 Trans-1,4-Dichloro-2-Butene 50 45.9 92 62-14075-71-8 Dichlorodifluoromethane 50 37.9 76 31-17075-34-3 1,1-Dichloroethane 50 50.0 100 78-129107-06-2 1,2-Dichloroethane 50 46.4 93 77-14075-35-4 1,1-Dichloroethene 50 41.9 84 71-128156-59-2 cis-1,2-Dichloroethene 50 47.1 94 73-123156-60-5 trans-1,2-Dichloroethene 50 43.6 87 72-12278-87-5 1,2-Dichloropropane 50 48.8 98 80-129142-28-9 1,3-Dichloropropane 50 51.6 103 81-124594-20-7 2,2-Dichloropropane 50 43.7 87 62-134563-58-6 1,1-Dichloropropene 50 48.0 96 72-125

* = Outside of Control Limits.

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88.2.1

Page 541: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-BS 3C136783.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

10061-01-5 cis-1,3-Dichloropropene 50 48.2 96 75-12410061-02-6 trans-1,3-Dichloropropene 50 50.1 100 75-129100-41-4 Ethylbenzene 50 47.9 96 75-12176-13-1 Freon 113 50 44.9 90 67-13687-68-3 Hexachlorobutadiene 50 44.4 89 64-134591-78-6 2-Hexanone 200 206 103 63-14098-82-8 Isopropylbenzene 50 48.1 96 70-12699-87-6 p-Isopropyltoluene 50 43.5 87 70-1271634-04-4 Methyl Tert Butyl Ether 50 44.3 89 77-121108-10-1 4-Methyl-2-pentanone(MIBK) 200 197 99 73-14174-95-3 Methylene bromide 50 50.3 101 83-12975-09-2 Methylene chloride 50 47.8 96 71-12491-20-3 Naphthalene 50 51.5 103 74-126103-65-1 n-Propylbenzene 50 45.4 91 71-132100-42-5 Styrene 50 49.5 99 79-125630-20-6 1,1,1,2-Tetrachloroethane 50 49.2 98 81-12479-34-5 1,1,2,2-Tetrachloroethane 50 46.4 93 72-121127-18-4 Tetrachloroethene 50 46.8 94 70-135109-99-9 Tetrahydrofuran 50 55.4 111 63-137108-88-3 Toluene 50 50.4 101 75-12387-61-6 1,2,3-Trichlorobenzene 50 52.0 104 76-128120-82-1 1,2,4-Trichlorobenzene 50 51.0 102 74-12971-55-6 1,1,1-Trichloroethane 50 47.5 95 75-13479-00-5 1,1,2-Trichloroethane 50 53.1 106 78-13079-01-6 Trichloroethene 50 48.4 97 79-12775-69-4 Trichlorofluoromethane 50 46.4 93 64-14196-18-4 1,2,3-Trichloropropane 50 44.4 89 77-12495-63-6 1,2,4-Trimethylbenzene 50 44.7 89 75-126108-67-8 1,3,5-Trimethylbenzene 50 44.3 89 72-12475-01-4 Vinyl chloride 50 41.7 83 57-136

m,p-Xylene 100 100 100 75-12295-47-6 o-Xylene 50 46.5 93 76-121

* = Outside of Control Limits.

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88.2.1

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Blank Spike Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchV3C6214-BS 3C136783.D 1 04/25/17 PS n/a n/a V3C6214

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-6, MC50199-7, MC50199-8, MC50199-10, MC50199-13, MC50199-16, MC50199-17, MC50199-18

CAS No. Surrogate Recoveries BSP Limits

1868-53-7 Dibromofluoromethane 99% 70-122%17060-07-0 1,2-Dichloroethane-D4 93% 68-124%2037-26-5 Toluene-D8 106% 77-125%460-00-4 4-Bromofluorobenzene 99% 72-130%

* = Outside of Control Limits.

457 of 566

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88.2.1

Page 543: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-BS Y171807.D 1 04/25/17 PS n/a n/a VY7434VY7434-BSD Y171808.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

67-64-1 Acetone 200 215 108 184 92 16 30-150/30107-13-1 Acrylonitrile 50 57.7 115 52.7 105 9 69-138/3071-43-2 Benzene 50 44.9 90 43.2 86 4 77-122/30108-86-1 Bromobenzene 50 51.0 102 48.8 98 4 80-122/3075-27-4 Bromodichloromethane 50 45.2 90 44.3 89 2 82-130/3075-25-2 Bromoform 50 50.8 102 48.8 98 4 78-134/3074-83-9 Bromomethane 50 42.4 85 39.1 78 8 56-141/3078-93-3 2-Butanone (MEK) 200 238 119 218 109 9 61-139/30104-51-8 n-Butylbenzene 50 46.0 92 43.8 88 5 69-127/30135-98-8 sec-Butylbenzene 50 46.1 92 43.7 87 5 70-125/3098-06-6 tert-Butylbenzene 50 46.8 94 45.0 90 4 70-126/3075-15-0 Carbon disulfide 50 48.7 97 44.9 90 8 68-131/3056-23-5 Carbon tetrachloride 50 44.3 89 40.9 82 8 73-139/30108-90-7 Chlorobenzene 50 47.4 95 46.2 92 3 79-120/3075-00-3 Chloroethane 50 45.2 90 42.2 84 7 64-150/3067-66-3 Chloroform 50 43.2 86 41.4 83 4 77-123/3074-87-3 Chloromethane 50 44.1 88 39.4 79 11 50-140/3095-49-8 o-Chlorotoluene 50 49.9 100 47.8 96 4 74-123/30106-43-4 p-Chlorotoluene 50 48.0 96 46.6 93 3 73-121/3096-12-8 1,2-Dibromo-3-chloropropane 50 46.5 93 44.8 90 4 70-128/30124-48-1 Dibromochloromethane 50 47.4 95 45.3 91 5 82-129/30106-93-4 1,2-Dibromoethane 50 48.6 97 46.8 94 4 83-125/3095-50-1 1,2-Dichlorobenzene 50 48.1 96 46.4 93 4 79-118/30541-73-1 1,3-Dichlorobenzene 50 48.3 97 46.9 94 3 76-119/30106-46-7 1,4-Dichlorobenzene 50 47.7 95 46.5 93 3 75-118/30110-57-6 Trans-1,4-Dichloro-2-Butene 50 55.6 111 50.7 101 9 62-140/3075-71-8 Dichlorodifluoromethane 50 42.1 84 37.9 76 11 31-170/3075-34-3 1,1-Dichloroethane 50 46.9 94 44.3 89 6 78-129/30107-06-2 1,2-Dichloroethane 50 44.2 88 43.1 86 3 77-140/3075-35-4 1,1-Dichloroethene 50 45.6 91 42.3 85 8 71-128/30156-59-2 cis-1,2-Dichloroethene 50 43.8 88 42.7 85 3 73-123/30156-60-5 trans-1,2-Dichloroethene 50 47.2 94 44.4 89 6 72-122/3078-87-5 1,2-Dichloropropane 50 47.9 96 47.4 95 1 80-129/30142-28-9 1,3-Dichloropropane 50 48.7 97 47.1 94 3 81-124/30594-20-7 2,2-Dichloropropane 50 45.9 92 43.1 86 6 62-134/30563-58-6 1,1-Dichloropropene 50 44.7 89 43.0 86 4 72-125/30

* = Outside of Control Limits.

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88.3.1

Page 544: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-BS Y171807.D 1 04/25/17 PS n/a n/a VY7434VY7434-BSD Y171808.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

10061-01-5 cis-1,3-Dichloropropene 50 49.4 99 48.5 97 2 75-124/3010061-02-6 trans-1,3-Dichloropropene 50 46.6 93 45.6 91 2 75-129/30100-41-4 Ethylbenzene 50 45.4 91 43.9 88 3 75-121/3076-13-1 Freon 113 50 50.4 101 46.9 94 7 67-136/3087-68-3 Hexachlorobutadiene 50 47.4 95 45.2 90 5 64-134/30591-78-6 2-Hexanone 200 242 121 221 111 9 63-140/3098-82-8 Isopropylbenzene 50 44.5 89 42.4 85 5 70-126/3099-87-6 p-Isopropyltoluene 50 46.5 93 44.3 89 5 70-127/301634-04-4 Methyl Tert Butyl Ether 50 48.1 96 45.4 91 6 77-121/30108-10-1 4-Methyl-2-pentanone(MIBK) 200 238 119 221 111 7 73-141/3074-95-3 Methylene bromide 50 48.1 96 45.7 91 5 83-129/3075-09-2 Methylene chloride 50 47.7 95 45.1 90 6 71-124/3091-20-3 Naphthalene 50 48.5 97 46.1 92 5 74-126/30103-65-1 n-Propylbenzene 50 47.8 96 45.7 91 4 71-132/30100-42-5 Styrene 50 46.6 93 45.7 91 2 79-125/30630-20-6 1,1,1,2-Tetrachloroethane 50 43.4 87 42.3 85 3 81-124/3079-34-5 1,1,2,2-Tetrachloroethane 50 52.5 105 49.6 99 6 72-121/30127-18-4 Tetrachloroethene 50 45.1 90 43.7 87 3 70-135/30109-99-9 Tetrahydrofuran 50 62.8 126 57.9 116 8 63-137/30108-88-3 Toluene 50 44.8 90 43.4 87 3 75-123/3087-61-6 1,2,3-Trichlorobenzene 50 49.9 100 47.9 96 4 76-128/30120-82-1 1,2,4-Trichlorobenzene 50 48.8 98 47.2 94 3 74-129/3071-55-6 1,1,1-Trichloroethane 50 44.0 88 41.1 82 7 75-134/3079-00-5 1,1,2-Trichloroethane 50 48.5 97 46.9 94 3 78-130/3079-01-6 Trichloroethene 50 47.1 94 45.4 91 4 79-127/3075-69-4 Trichlorofluoromethane 50 47.6 95 44.2 88 7 64-141/3096-18-4 1,2,3-Trichloropropane 50 52.3 105 49.5 99 6 77-124/3095-63-6 1,2,4-Trimethylbenzene 50 46.6 93 45.0 90 3 75-126/30108-67-8 1,3,5-Trimethylbenzene 50 47.0 94 45.0 90 4 72-124/3075-01-4 Vinyl chloride 50 45.3 91 41.2 82 9 57-136/30

m,p-Xylene 100 95.4 95 91.3 91 4 75-122/3095-47-6 o-Xylene 50 43.8 88 42.4 85 3 76-121/30

* = Outside of Control Limits.

459 of 566

MC50199

88.3.1

Page 545: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVY7434-BS Y171807.D 1 04/25/17 PS n/a n/a VY7434VY7434-BSD Y171808.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Surrogate Recoveries BSP BSD Limits

1868-53-7 Dibromofluoromethane 98% 97% 70-122%17060-07-0 1,2-Dichloroethane-D4 94% 93% 68-124%2037-26-5 Toluene-D8 98% 98% 77-125%460-00-4 4-Bromofluorobenzene 107% 108% 72-130%

* = Outside of Control Limits.

460 of 566

MC50199

88.3.1

Page 546: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-BS V168139.D 1 04/25/17 SY n/a n/a VV7075VV7075-BSD V168140.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

67-64-1 Acetone 200 264 132 223 112 17 30-150/30107-13-1 Acrylonitrile 50 52.1 104 52.1 104 0 69-138/3071-43-2 Benzene 50 52.7 105 49.9 100 5 77-122/30108-86-1 Bromobenzene 50 54.6 109 51.4 103 6 80-122/3075-27-4 Bromodichloromethane 50 50.1 100 48.8 98 3 82-130/3075-25-2 Bromoform 50 56.3 113 56.3 113 0 78-134/3074-83-9 Bromomethane 50 54.1 108 49.8 100 8 56-141/3078-93-3 2-Butanone (MEK) 200 255 128 238 119 7 61-139/30104-51-8 n-Butylbenzene 50 52.5 105 47.5 95 10 69-127/30135-98-8 sec-Butylbenzene 50 54.6 109 50.7 101 7 70-125/3098-06-6 tert-Butylbenzene 50 54.4 109 50.3 101 8 70-126/3075-15-0 Carbon disulfide 50 49.3 99 45.7 91 8 68-131/3056-23-5 Carbon tetrachloride 50 50.7 101 45.5 91 11 73-139/30108-90-7 Chlorobenzene 50 54.9 110 51.3 103 7 79-120/3075-00-3 Chloroethane 50 57.4 115 51.7 103 10 64-150/3067-66-3 Chloroform 50 48.5 97 44.6 89 8 77-123/3074-87-3 Chloromethane 50 54.1 108 51.0 102 6 50-140/3095-49-8 o-Chlorotoluene 50 56.6 113 53.3 107 6 74-123/30106-43-4 p-Chlorotoluene 50 54.7 109 51.4 103 6 73-121/3096-12-8 1,2-Dibromo-3-chloropropane 50 59.5 119 60.9 122 2 70-128/30124-48-1 Dibromochloromethane 50 53.5 107 52.0 104 3 82-129/30106-93-4 1,2-Dibromoethane 50 53.4 107 52.2 104 2 83-125/3095-50-1 1,2-Dichlorobenzene 50 54.5 109 52.4 105 4 79-118/30541-73-1 1,3-Dichlorobenzene 50 54.6 109 51.2 102 6 76-119/30106-46-7 1,4-Dichlorobenzene 50 53.1 106 49.8 100 6 75-118/30110-57-6 Trans-1,4-Dichloro-2-Butene 50 48.1 96 48.1 96 0 62-140/3075-71-8 Dichlorodifluoromethane 50 50.8 102 45.0 90 12 31-170/3075-34-3 1,1-Dichloroethane 50 53.1 106 47.9 96 10 78-129/30107-06-2 1,2-Dichloroethane 50 49.2 98 48.3 97 2 77-140/3075-35-4 1,1-Dichloroethene 50 54.9 110 45.9 92 18 71-128/30156-59-2 cis-1,2-Dichloroethene 50 51.8 104 48.8 98 6 73-123/30156-60-5 trans-1,2-Dichloroethene 50 52.3 105 47.2 94 10 72-122/3078-87-5 1,2-Dichloropropane 50 51.7 103 49.7 99 4 80-129/30142-28-9 1,3-Dichloropropane 50 53.5 107 51.1 102 5 81-124/30594-20-7 2,2-Dichloropropane 50 52.1 104 47.2 94 10 62-134/30563-58-6 1,1-Dichloropropene 50 53.8 108 48.1 96 11 72-125/30

* = Outside of Control Limits.

461 of 566

MC50199

88.3.2

Page 547: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-BS V168139.D 1 04/25/17 SY n/a n/a VV7075VV7075-BSD V168140.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

10061-01-5 cis-1,3-Dichloropropene 50 55.6 111 53.3 107 4 75-124/3010061-02-6 trans-1,3-Dichloropropene 50 53.7 107 51.7 103 4 75-129/30100-41-4 Ethylbenzene 50 55.4 111 50.8 102 9 75-121/3076-13-1 Freon 113 50 56.6 113 52.9 106 7 67-136/3087-68-3 Hexachlorobutadiene 50 60.2 120 57.1 114 5 64-134/30591-78-6 2-Hexanone 200 233 117 228 114 2 63-140/3098-82-8 Isopropylbenzene 50 54.6 109 51.0 102 7 70-126/3099-87-6 p-Isopropyltoluene 50 56.7 113 51.8 104 9 70-127/301634-04-4 Methyl Tert Butyl Ether 50 51.8 104 51.9 104 0 77-121/30108-10-1 4-Methyl-2-pentanone(MIBK) 200 229 115 233 117 2 73-141/3074-95-3 Methylene bromide 50 54.8 110 53.3 107 3 83-129/3075-09-2 Methylene chloride 50 49.2 98 47.0 94 5 71-124/3091-20-3 Naphthalene 50 59.0 118 59.4 119 1 74-126/30103-65-1 n-Propylbenzene 50 56.2 112 51.1 102 10 71-132/30100-42-5 Styrene 50 59.1 118 55.2 110 7 79-125/30630-20-6 1,1,1,2-Tetrachloroethane 50 53.9 108 51.7 103 4 81-124/3079-34-5 1,1,2,2-Tetrachloroethane 50 56.8 114 55.7 111 2 72-121/30127-18-4 Tetrachloroethene 50 54.5 109 48.9 98 11 70-135/30109-99-9 Tetrahydrofuran 50 48.0 96 47.0 94 2 63-137/30108-88-3 Toluene 50 53.7 107 50.0 100 7 75-123/3087-61-6 1,2,3-Trichlorobenzene 50 59.1 118 58.5 117 1 76-128/30120-82-1 1,2,4-Trichlorobenzene 50 61.4 123 58.8 118 4 74-129/3071-55-6 1,1,1-Trichloroethane 50 50.7 101 44.8 90 12 75-134/3079-00-5 1,1,2-Trichloroethane 50 54.4 109 52.3 105 4 78-130/3079-01-6 Trichloroethene 50 54.4 109 51.1 102 6 79-127/3075-69-4 Trichlorofluoromethane 50 53.0 106 47.6 95 11 64-141/3096-18-4 1,2,3-Trichloropropane 50 56.3 113 53.8 108 5 77-124/3095-63-6 1,2,4-Trimethylbenzene 50 55.0 110 50.9 102 8 75-126/30108-67-8 1,3,5-Trimethylbenzene 50 55.0 110 50.5 101 9 72-124/3075-01-4 Vinyl chloride 50 55.5 111 51.0 102 8 57-136/30

m,p-Xylene 100 118 118 109 109 8 75-122/3095-47-6 o-Xylene 50 56.4 113 53.6 107 5 76-121/30

* = Outside of Control Limits.

462 of 566

MC50199

88.3.2

Page 548: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7075-BS V168139.D 1 04/25/17 SY n/a n/a VV7075VV7075-BSD V168140.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Surrogate Recoveries BSP BSD Limits

1868-53-7 Dibromofluoromethane 98% 97% 70-122%17060-07-0 1,2-Dichloroethane-D4 89% 87% 68-124%2037-26-5 Toluene-D8 98% 99% 77-125%460-00-4 4-Bromofluorobenzene 96% 97% 72-130%

* = Outside of Control Limits.

463 of 566

MC50199

88.3.2

Page 549: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-BS V168186.D 1 04/26/17 SY n/a n/a VV7077VV7077-BSD V168187.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

67-64-1 Acetone 200 201 101 188 94 7 30-150/30107-13-1 Acrylonitrile 50 49.1 98 45.9 92 7 69-138/3071-43-2 Benzene 50 50.7 101 50.1 100 1 77-122/30108-86-1 Bromobenzene 50 54.7 109 52.4 105 4 80-122/3075-27-4 Bromodichloromethane 50 49.6 99 49.2 98 1 82-130/3075-25-2 Bromoform 50 57.8 116 58.9 118 2 78-134/3074-83-9 Bromomethane 50 60.8 122 58.6 117 4 56-141/3078-93-3 2-Butanone (MEK) 200 233 117 218 109 7 61-139/30104-51-8 n-Butylbenzene 50 47.2 94 45.5 91 4 69-127/30135-98-8 sec-Butylbenzene 50 51.1 102 49.0 98 4 70-125/3098-06-6 tert-Butylbenzene 50 51.4 103 50.3 101 2 70-126/3075-15-0 Carbon disulfide 50 48.1 96 44.5 89 8 68-131/3056-23-5 Carbon tetrachloride 50 49.3 99 46.1 92 7 73-139/30108-90-7 Chlorobenzene 50 53.1 106 52.9 106 0 79-120/3075-00-3 Chloroethane 50 59.4 119 55.7 111 6 64-150/3067-66-3 Chloroform 50 46.4 93 44.0 88 5 77-123/3074-87-3 Chloromethane 50 56.0 112 53.0 106 6 50-140/3095-49-8 o-Chlorotoluene 50 53.7 107 51.9 104 3 74-123/30106-43-4 p-Chlorotoluene 50 51.5 103 49.8 100 3 73-121/3096-12-8 1,2-Dibromo-3-chloropropane 50 60.8 122 58.5 117 4 70-128/30124-48-1 Dibromochloromethane 50 53.7 107 53.1 106 1 82-129/30106-93-4 1,2-Dibromoethane 50 51.4 103 52.4 105 2 83-125/3095-50-1 1,2-Dichlorobenzene 50 54.4 109 52.8 106 3 79-118/30541-73-1 1,3-Dichlorobenzene 50 53.5 107 51.9 104 3 76-119/30106-46-7 1,4-Dichlorobenzene 50 51.3 103 49.9 100 3 75-118/30110-57-6 Trans-1,4-Dichloro-2-Butene 50 42.6 85 41.9 84 2 62-140/3075-71-8 Dichlorodifluoromethane 50 45.2 90 43.6 87 4 31-170/3075-34-3 1,1-Dichloroethane 50 49.5 99 45.8 92 8 78-129/30107-06-2 1,2-Dichloroethane 50 48.0 96 46.9 94 2 77-140/3075-35-4 1,1-Dichloroethene 50 45.4 91 41.8 84 8 71-128/30156-59-2 cis-1,2-Dichloroethene 50 51.8 104 48.6 97 6 73-123/30156-60-5 trans-1,2-Dichloroethene 50 48.2 96 44.9 90 7 72-122/3078-87-5 1,2-Dichloropropane 50 48.6 97 48.4 97 0 80-129/30142-28-9 1,3-Dichloropropane 50 50.4 101 49.6 99 2 81-124/30594-20-7 2,2-Dichloropropane 50 48.0 96 44.3 89 8 62-134/30563-58-6 1,1-Dichloropropene 50 48.4 97 46.9 94 3 72-125/30

* = Outside of Control Limits.

464 of 566

MC50199

88.3.3

Page 550: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-BS V168186.D 1 04/26/17 SY n/a n/a VV7077VV7077-BSD V168187.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

10061-01-5 cis-1,3-Dichloropropene 50 53.0 106 52.4 105 1 75-124/3010061-02-6 trans-1,3-Dichloropropene 50 49.0 98 49.8 100 2 75-129/30100-41-4 Ethylbenzene 50 51.2 102 51.2 102 0 75-121/3076-13-1 Freon 113 50 59.7 119 55.9 112 7 67-136/3087-68-3 Hexachlorobutadiene 50 58.8 118 58.5 117 1 64-134/30591-78-6 2-Hexanone 200 210 105 206 103 2 63-140/3098-82-8 Isopropylbenzene 50 51.7 103 50.9 102 2 70-126/3099-87-6 p-Isopropyltoluene 50 53.3 107 51.4 103 4 70-127/301634-04-4 Methyl Tert Butyl Ether 50 51.8 104 48.8 98 6 77-121/30108-10-1 4-Methyl-2-pentanone(MIBK) 200 227 114 218 109 4 73-141/3074-95-3 Methylene bromide 50 54.9 110 53.5 107 3 83-129/3075-09-2 Methylene chloride 50 49.0 98 45.1 90 8 71-124/3091-20-3 Naphthalene 50 57.9 116 58.6 117 1 74-126/30103-65-1 n-Propylbenzene 50 51.3 103 49.3 99 4 71-132/30100-42-5 Styrene 50 56.2 112 55.6 111 1 79-125/30630-20-6 1,1,1,2-Tetrachloroethane 50 54.0 108 52.9 106 2 81-124/3079-34-5 1,1,2,2-Tetrachloroethane 50 54.2 108 51.7 103 5 72-121/30127-18-4 Tetrachloroethene 50 53.2 106 53.3 107 0 70-135/30109-99-9 Tetrahydrofuran 50 44.2 88 40.3 81 9 63-137/30108-88-3 Toluene 50 50.6 101 49.8 100 2 75-123/3087-61-6 1,2,3-Trichlorobenzene 50 58.8 118 59.7 119 2 76-128/30120-82-1 1,2,4-Trichlorobenzene 50 60.9 122 60.6 121 0 74-129/3071-55-6 1,1,1-Trichloroethane 50 49.2 98 45.4 91 8 75-134/3079-00-5 1,1,2-Trichloroethane 50 50.6 101 50.5 101 0 78-130/3079-01-6 Trichloroethene 50 51.5 103 51.2 102 1 79-127/3075-69-4 Trichlorofluoromethane 50 52.9 106 48.5 97 9 64-141/3096-18-4 1,2,3-Trichloropropane 50 54.1 108 50.3 101 7 77-124/3095-63-6 1,2,4-Trimethylbenzene 50 52.0 104 50.4 101 3 75-126/30108-67-8 1,3,5-Trimethylbenzene 50 51.3 103 49.8 100 3 72-124/3075-01-4 Vinyl chloride 50 57.0 114 53.2 106 7 57-136/30

m,p-Xylene 100 112 112 111 111 1 75-122/3095-47-6 o-Xylene 50 53.7 107 53.3 107 1 76-121/30

* = Outside of Control Limits.

465 of 566

MC50199

88.3.3

Page 551: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Blank Spike/Blank Spike Duplicate Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchVV7077-BS V168186.D 1 04/26/17 SY n/a n/a VV7077VV7077-BSD V168187.D 1 04/26/17 SY n/a n/a VV7077

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-2, MC50199-5, MC50199-9, MC50199-11, MC50199-12, MC50199-14, MC50199-15, MC50199-19,MC50199-20, MC50199-29

CAS No. Surrogate Recoveries BSP BSD Limits

1868-53-7 Dibromofluoromethane 99% 95% 70-122%17060-07-0 1,2-Dichloroethane-D4 86% 84% 68-124%2037-26-5 Toluene-D8 92% 95% 77-125%460-00-4 4-Bromofluorobenzene 93% 90% 72-130%

* = Outside of Control Limits.

466 of 566

MC50199

88.3.3

Page 552: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-3MS Y171815.D 1 04/25/17 PS n/a n/a VY7434MC50199-3 Y171811.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

MC50199-3 Spike MS MSCAS No. Compound ug/kg Q ug/kg ug/kg % Limits

67-64-1 Acetone 74.5 345 285 61 10-180107-13-1 Acrylonitrile ND 86.3 83.0 96 39-14071-43-2 Benzene ND 86.3 73.7 85 48-136108-86-1 Bromobenzene ND 86.3 65.4 76 37-14575-27-4 Bromodichloromethane ND 86.3 71.0 82 50-14575-25-2 Bromoform ND 86.3 66.6 77 39-14874-83-9 Bromomethane ND 86.3 77.1 89 12-15678-93-3 2-Butanone (MEK) ND 345 317 92 26-164104-51-8 n-Butylbenzene ND 86.3 25.2 29 10-156135-98-8 sec-Butylbenzene ND 86.3 33.0 38 23-15198-06-6 tert-Butylbenzene ND 86.3 40.6 47 30-14975-15-0 Carbon disulfide 2.8 86.3 80.3 90 34-14656-23-5 Carbon tetrachloride ND 86.3 66.8 77 43-152108-90-7 Chlorobenzene ND 86.3 65.0 75 38-14475-00-3 Chloroethane ND 86.3 87.0 101 26-15467-66-3 Chloroform ND 86.3 72.7 84 52-13474-87-3 Chloromethane ND 86.3 85.3 99 41-14295-49-8 o-Chlorotoluene ND 86.3 54.4 63 34-147106-43-4 p-Chlorotoluene ND 86.3 52.2 60 34-14396-12-8 1,2-Dibromo-3-chloropropane ND 86.3 56.3 65 29-145124-48-1 Dibromochloromethane ND 86.3 69.2 80 49-142106-93-4 1,2-Dibromoethane ND 86.3 71.2 83 46-13995-50-1 1,2-Dichlorobenzene ND 86.3 47.6 55 30-144541-73-1 1,3-Dichlorobenzene ND 86.3 47.2 55 28-148106-46-7 1,4-Dichlorobenzene ND 86.3 47.2 55 30-142110-57-6 Trans-1,4-Dichloro-2-Butene ND 86.3 57.5 67 10-17375-71-8 Dichlorodifluoromethane ND 86.3 78.3 91 31-16175-34-3 1,1-Dichloroethane ND 86.3 82.1 95 54-137107-06-2 1,2-Dichloroethane ND 86.3 69.1 80 56-14075-35-4 1,1-Dichloroethene ND 86.3 79.5 92 41-143156-59-2 cis-1,2-Dichloroethene ND 86.3 73.6 85 45-137156-60-5 trans-1,2-Dichloroethene ND 86.3 79.6 92 42-14178-87-5 1,2-Dichloropropane ND 86.3 77.4 90 53-139142-28-9 1,3-Dichloropropane ND 86.3 73.9 86 51-134594-20-7 2,2-Dichloropropane ND 86.3 46.7 54 26-151563-58-6 1,1-Dichloropropene ND 86.3 70.0 81 42-144

* = Outside of Control Limits.

467 of 566

MC50199

88.4.1

Page 553: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-3MS Y171815.D 1 04/25/17 PS n/a n/a VY7434MC50199-3 Y171811.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

MC50199-3 Spike MS MSCAS No. Compound ug/kg Q ug/kg ug/kg % Limits

10061-01-5 cis-1,3-Dichloropropene ND 86.3 64.8 75 41-14410061-02-6 trans-1,3-Dichloropropene ND 86.3 62.4 72 36-148100-41-4 Ethylbenzene ND 86.3 57.2 66 34-14576-13-1 Freon 113 ND 86.3 70.1 81 30-15287-68-3 Hexachlorobutadiene ND 86.3 15.4 18 10-163591-78-6 2-Hexanone ND 345 330 96 16-17698-82-8 Isopropylbenzene ND 86.3 44.4 51 36-14599-87-6 p-Isopropyltoluene ND 86.3 32.6 38 21-1531634-04-4 Methyl Tert Butyl Ether ND 86.3 77.0 89 54-129108-10-1 4-Methyl-2-pentanone(MIBK) ND 345 330 96 33-15474-95-3 Methylene bromide ND 86.3 71.5 83 49-13975-09-2 Methylene chloride ND 86.3 81.5 94 47-13391-20-3 Naphthalene ND 86.3 35.9 42 12-160103-65-1 n-Propylbenzene ND 86.3 44.8 52 26-148100-42-5 Styrene ND 86.3 57.8 67 32-156630-20-6 1,1,1,2-Tetrachloroethane ND 86.3 62.0 72 47-14479-34-5 1,1,2,2-Tetrachloroethane ND 86.3 71.4 83 31-149127-18-4 Tetrachloroethene ND 86.3 52.5 61 34-163109-99-9 Tetrahydrofuran ND 86.3 88.6 103 33-141108-88-3 Toluene ND 86.3 68.0 79 40-14187-61-6 1,2,3-Trichlorobenzene ND 86.3 24.8 29 14-153120-82-1 1,2,4-Trichlorobenzene ND 86.3 24.9 29 14-15671-55-6 1,1,1-Trichloroethane ND 86.3 73.2 85 48-14479-00-5 1,1,2-Trichloroethane ND 86.3 72.5 84 43-14679-01-6 Trichloroethene ND 86.3 71.8 83 42-15275-69-4 Trichlorofluoromethane ND 86.3 82.1 95 39-15396-18-4 1,2,3-Trichloropropane ND 86.3 76.2 88 36-15395-63-6 1,2,4-Trimethylbenzene ND 86.3 44.3 51 23-152108-67-8 1,3,5-Trimethylbenzene ND 86.3 44.5 52 26-15075-01-4 Vinyl chloride ND 86.3 87.3 101 38-149

m,p-Xylene 0.41 173 116 67 32-14895-47-6 o-Xylene ND 86.3 54.9 64 36-145

* = Outside of Control Limits.

468 of 566

MC50199

88.4.1

Page 554: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-3MS Y171815.D 1 04/25/17 PS n/a n/a VY7434MC50199-3 Y171811.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Surrogate Recoveries MS MC50199-3 Limits

1868-53-7 Dibromofluoromethane 98% 99% 70-122%17060-07-0 1,2-Dichloroethane-D4 90% 95% 68-124%2037-26-5 Toluene-D8 100% 98% 77-125%460-00-4 4-Bromofluorobenzene 112% 113% 72-130%

* = Outside of Control Limits.

469 of 566

MC50199

88.4.1

Page 555: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-23MS V168157.D 1 04/25/17 SY n/a n/a VV7075MC50199-23 V168147.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

MC50199-23 Spike MS MSCAS No. Compound ug/kg Q ug/kg ug/kg % Limits

67-64-1 Acetone ND 168 132 79 10-180107-13-1 Acrylonitrile ND 42 29.6 70 39-14071-43-2 Benzene ND 42 37.5 89 48-136108-86-1 Bromobenzene ND 42 30.4 72 37-14575-27-4 Bromodichloromethane ND 42 35.3 84 50-14575-25-2 Bromoform ND 42 34.0 81 39-14874-83-9 Bromomethane ND 42 43.4 103 12-15678-93-3 2-Butanone (MEK) ND 168 140 83 26-164104-51-8 n-Butylbenzene ND 42 18.6 44 10-156135-98-8 sec-Butylbenzene ND 42 24.3 58 23-15198-06-6 tert-Butylbenzene ND 42 27.8 66 30-14975-15-0 Carbon disulfide ND 42 37.8 90 34-14656-23-5 Carbon tetrachloride ND 42 36.1 86 43-152108-90-7 Chlorobenzene ND 42 33.8 80 38-14475-00-3 Chloroethane ND 42 48.0 114 26-15467-66-3 Chloroform ND 42 36.0 86 52-13474-87-3 Chloromethane ND 42 46.7 111 41-14295-49-8 o-Chlorotoluene ND 42 29.6 70 34-147106-43-4 p-Chlorotoluene ND 42 27.8 66 34-14396-12-8 1,2-Dibromo-3-chloropropane ND 42 33.2 79 29-145124-48-1 Dibromochloromethane ND 42 34.3 82 49-142106-93-4 1,2-Dibromoethane ND 42 34.2 81 46-13995-50-1 1,2-Dichlorobenzene ND 42 25.1 60 30-144541-73-1 1,3-Dichlorobenzene ND 42 25.7 61 28-148106-46-7 1,4-Dichlorobenzene ND 42 24.6 59 30-142110-57-6 Trans-1,4-Dichloro-2-Butene ND 42 23.7 56 10-17375-71-8 Dichlorodifluoromethane ND 42 42.5 101 31-16175-34-3 1,1-Dichloroethane ND 42 39.3 94 54-137107-06-2 1,2-Dichloroethane ND 42 34.0 81 56-14075-35-4 1,1-Dichloroethene ND 42 36.8 88 41-143156-59-2 cis-1,2-Dichloroethene ND 42 38.5 92 45-137156-60-5 trans-1,2-Dichloroethene ND 42 39.0 93 42-14178-87-5 1,2-Dichloropropane ND 42 36.4 87 53-139142-28-9 1,3-Dichloropropane ND 42 34.4 82 51-134594-20-7 2,2-Dichloropropane ND 42 32.6 78 26-151563-58-6 1,1-Dichloropropene ND 42 36.8 88 42-144

* = Outside of Control Limits.

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88.4.2

Page 556: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-23MS V168157.D 1 04/25/17 SY n/a n/a VV7075MC50199-23 V168147.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

MC50199-23 Spike MS MSCAS No. Compound ug/kg Q ug/kg ug/kg % Limits

10061-01-5 cis-1,3-Dichloropropene ND 42 34.9 83 41-14410061-02-6 trans-1,3-Dichloropropene ND 42 31.8 76 36-148100-41-4 Ethylbenzene ND 42 33.5 80 34-14576-13-1 Freon 113 ND 42 44.2 105 30-15287-68-3 Hexachlorobutadiene ND 42 13.7 33 10-163591-78-6 2-Hexanone ND 168 112 67 16-17698-82-8 Isopropylbenzene ND 42 29.8 71 36-14599-87-6 p-Isopropyltoluene ND 42 25.2 60 21-1531634-04-4 Methyl Tert Butyl Ether ND 42 38.5 92 54-129108-10-1 4-Methyl-2-pentanone(MIBK) ND 168 132 79 33-15474-95-3 Methylene bromide ND 42 37.1 88 49-13975-09-2 Methylene chloride ND 42 38.2 91 47-13391-20-3 Naphthalene ND 42 18.3 44 12-160103-65-1 n-Propylbenzene ND 42 28.5 68 26-148100-42-5 Styrene ND 42 32.3 77 32-156630-20-6 1,1,1,2-Tetrachloroethane ND 42 35.3 84 47-14479-34-5 1,1,2,2-Tetrachloroethane ND 42 33.5 80 31-149127-18-4 Tetrachloroethene ND 42 32.8 78 34-163109-99-9 Tetrahydrofuran ND 42 30.4 72 33-141108-88-3 Toluene ND 42 35.4 84 40-14187-61-6 1,2,3-Trichlorobenzene ND 42 14.8 35 14-153120-82-1 1,2,4-Trichlorobenzene ND 42 16.4 39 14-15671-55-6 1,1,1-Trichloroethane ND 42 36.5 87 48-14479-00-5 1,1,2-Trichloroethane ND 42 35.4 84 43-14679-01-6 Trichloroethene ND 42 36.1 86 42-15275-69-4 Trichlorofluoromethane ND 42 41.5 99 39-15396-18-4 1,2,3-Trichloropropane ND 42 34.4 82 36-15395-63-6 1,2,4-Trimethylbenzene ND 42 28.3 67 23-152108-67-8 1,3,5-Trimethylbenzene ND 42 28.4 68 26-15075-01-4 Vinyl chloride ND 42 47.9 114 38-149

m,p-Xylene ND 84 69.9 83 32-14895-47-6 o-Xylene ND 42 34.0 81 36-145

* = Outside of Control Limits.

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MC50199

88.4.2

Page 557: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Matrix Spike Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-23MS V168157.D 1 04/25/17 SY n/a n/a VV7075MC50199-23 V168147.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Surrogate Recoveries MS MC50199-23 Limits

1868-53-7 Dibromofluoromethane 99% 105% 70-122%17060-07-0 1,2-Dichloroethane-D4 82% 93% 68-124%2037-26-5 Toluene-D8 97% 97% 77-125%460-00-4 4-Bromofluorobenzene 93% 94% 72-130%

* = Outside of Control Limits.

472 of 566

MC50199

88.4.2

Page 558: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-1DUP Y171813.D 1 04/25/17 PS n/a n/a VY7434MC50199-1 Y171810.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

MC50199-1 DUPCAS No. Compound ug/kg Q ug/kg Q RPD Limits

67-64-1 Acetone 23.0 24.2 5 35107-13-1 Acrylonitrile ND ND nc 3071-43-2 Benzene ND ND nc 17108-86-1 Bromobenzene ND ND nc 3075-27-4 Bromodichloromethane ND ND nc 3075-25-2 Bromoform ND ND nc 3074-83-9 Bromomethane ND ND nc 3078-93-3 2-Butanone (MEK) 2.5 3.5 J 33* a 30104-51-8 n-Butylbenzene ND ND nc 30135-98-8 sec-Butylbenzene ND ND nc 3098-06-6 tert-Butylbenzene ND ND nc 3075-15-0 Carbon disulfide 0.63 0.96 J 42* a 2056-23-5 Carbon tetrachloride ND ND nc 30108-90-7 Chlorobenzene ND ND nc 3075-00-3 Chloroethane ND ND nc 3067-66-3 Chloroform ND ND nc 3074-87-3 Chloromethane ND ND nc 3095-49-8 o-Chlorotoluene ND ND nc 30106-43-4 p-Chlorotoluene ND ND nc 3096-12-8 1,2-Dibromo-3-chloropropane ND ND nc 30124-48-1 Dibromochloromethane ND ND nc 30106-93-4 1,2-Dibromoethane ND ND nc 3095-50-1 1,2-Dichlorobenzene ND ND nc 30541-73-1 1,3-Dichlorobenzene ND ND nc 30106-46-7 1,4-Dichlorobenzene ND ND nc 30110-57-6 Trans-1,4-Dichloro-2-Butene ND ND nc 3075-71-8 Dichlorodifluoromethane ND ND nc 3075-34-3 1,1-Dichloroethane ND ND nc 30107-06-2 1,2-Dichloroethane ND ND nc 3075-35-4 1,1-Dichloroethene ND ND nc 30156-59-2 cis-1,2-Dichloroethene ND ND nc 30156-60-5 trans-1,2-Dichloroethene ND ND nc 3078-87-5 1,2-Dichloropropane ND ND nc 30142-28-9 1,3-Dichloropropane ND ND nc 30594-20-7 2,2-Dichloropropane ND ND nc 30563-58-6 1,1-Dichloropropene ND ND nc 30

* = Outside of Control Limits.

473 of 566

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88.5.1

Page 559: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-1DUP Y171813.D 1 04/25/17 PS n/a n/a VY7434MC50199-1 Y171810.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

MC50199-1 DUPCAS No. Compound ug/kg Q ug/kg Q RPD Limits

10061-01-5 cis-1,3-Dichloropropene ND ND nc 3010061-02-6 trans-1,3-Dichloropropene ND ND nc 30100-41-4 Ethylbenzene ND ND nc 2376-13-1 Freon 113 ND ND nc 3087-68-3 Hexachlorobutadiene ND ND nc 30591-78-6 2-Hexanone ND ND nc 3098-82-8 Isopropylbenzene ND ND nc 2299-87-6 p-Isopropyltoluene ND ND nc 301634-04-4 Methyl Tert Butyl Ether ND ND nc 30108-10-1 4-Methyl-2-pentanone(MIBK) ND ND nc 3074-95-3 Methylene bromide ND ND nc 3075-09-2 Methylene chloride ND ND nc 3791-20-3 Naphthalene ND ND nc 30103-65-1 n-Propylbenzene ND ND nc 16100-42-5 Styrene ND ND nc 30630-20-6 1,1,1,2-Tetrachloroethane ND ND nc 3079-34-5 1,1,2,2-Tetrachloroethane ND ND nc 30127-18-4 Tetrachloroethene ND ND nc 30109-99-9 Tetrahydrofuran ND ND nc 30108-88-3 Toluene ND ND nc 2287-61-6 1,2,3-Trichlorobenzene ND ND nc 30120-82-1 1,2,4-Trichlorobenzene ND ND nc 3071-55-6 1,1,1-Trichloroethane ND ND nc 3079-00-5 1,1,2-Trichloroethane ND ND nc 3079-01-6 Trichloroethene ND ND nc 1775-69-4 Trichlorofluoromethane ND ND nc 3096-18-4 1,2,3-Trichloropropane ND ND nc 3095-63-6 1,2,4-Trimethylbenzene ND ND nc 30108-67-8 1,3,5-Trimethylbenzene ND ND nc 3075-01-4 Vinyl chloride ND ND nc 30

m,p-Xylene 0.19 0.17 J 11 2095-47-6 o-Xylene ND ND nc 19

* = Outside of Control Limits.

474 of 566

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88.5.1

Page 560: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-1DUP Y171813.D 1 04/25/17 PS n/a n/a VY7434MC50199-1 Y171810.D 1 04/25/17 PS n/a n/a VY7434

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-1, MC50199-3

CAS No. Surrogate Recoveries DUP MC50199-1 Limits

1868-53-7 Dibromofluoromethane 100% 99% 70-122%17060-07-0 1,2-Dichloroethane-D4 97% 95% 68-124%2037-26-5 Toluene-D8 98% 98% 77-125%460-00-4 4-Bromofluorobenzene 117% 113% 72-130%

(a) High RPD due to possible sample nonhomogeneity.

* = Outside of Control Limits.

475 of 566

MC50199

88.5.1

Page 561: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 1 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-22DUP V168149.D 1 04/25/17 SY n/a n/a VV7075MC50199-22 V168146.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

MC50199-22 DUPCAS No. Compound ug/kg Q ug/kg Q RPD Limits

67-64-1 Acetone ND ND nc 35107-13-1 Acrylonitrile ND ND nc 3071-43-2 Benzene ND ND nc 17108-86-1 Bromobenzene ND ND nc 3075-27-4 Bromodichloromethane ND ND nc 3075-25-2 Bromoform ND ND nc 3074-83-9 Bromomethane ND ND nc 3078-93-3 2-Butanone (MEK) ND ND nc 30104-51-8 n-Butylbenzene ND ND nc 30135-98-8 sec-Butylbenzene ND ND nc 3098-06-6 tert-Butylbenzene ND ND nc 3075-15-0 Carbon disulfide ND ND nc 2056-23-5 Carbon tetrachloride ND ND nc 30108-90-7 Chlorobenzene ND ND nc 3075-00-3 Chloroethane ND ND nc 3067-66-3 Chloroform ND ND nc 3074-87-3 Chloromethane ND ND nc 3095-49-8 o-Chlorotoluene ND ND nc 30106-43-4 p-Chlorotoluene ND ND nc 3096-12-8 1,2-Dibromo-3-chloropropane ND ND nc 30124-48-1 Dibromochloromethane ND ND nc 30106-93-4 1,2-Dibromoethane ND ND nc 3095-50-1 1,2-Dichlorobenzene ND ND nc 30541-73-1 1,3-Dichlorobenzene ND ND nc 30106-46-7 1,4-Dichlorobenzene ND ND nc 30110-57-6 Trans-1,4-Dichloro-2-Butene ND ND nc 3075-71-8 Dichlorodifluoromethane ND ND nc 3075-34-3 1,1-Dichloroethane ND ND nc 30107-06-2 1,2-Dichloroethane ND ND nc 3075-35-4 1,1-Dichloroethene ND ND nc 30156-59-2 cis-1,2-Dichloroethene ND ND nc 30156-60-5 trans-1,2-Dichloroethene ND ND nc 3078-87-5 1,2-Dichloropropane ND ND nc 30142-28-9 1,3-Dichloropropane ND ND nc 30594-20-7 2,2-Dichloropropane ND ND nc 30563-58-6 1,1-Dichloropropene ND ND nc 30

* = Outside of Control Limits.

476 of 566

MC50199

88.5.2

Page 562: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 2 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-22DUP V168149.D 1 04/25/17 SY n/a n/a VV7075MC50199-22 V168146.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

MC50199-22 DUPCAS No. Compound ug/kg Q ug/kg Q RPD Limits

10061-01-5 cis-1,3-Dichloropropene ND ND nc 3010061-02-6 trans-1,3-Dichloropropene ND ND nc 30100-41-4 Ethylbenzene ND ND nc 2376-13-1 Freon 113 ND ND nc 3087-68-3 Hexachlorobutadiene ND ND nc 30591-78-6 2-Hexanone ND ND nc 3098-82-8 Isopropylbenzene ND ND nc 2299-87-6 p-Isopropyltoluene ND ND nc 301634-04-4 Methyl Tert Butyl Ether ND ND nc 30108-10-1 4-Methyl-2-pentanone(MIBK) ND ND nc 3074-95-3 Methylene bromide ND ND nc 3075-09-2 Methylene chloride ND ND nc 3791-20-3 Naphthalene ND ND nc 30103-65-1 n-Propylbenzene ND ND nc 16100-42-5 Styrene ND ND nc 30630-20-6 1,1,1,2-Tetrachloroethane ND ND nc 3079-34-5 1,1,2,2-Tetrachloroethane ND ND nc 30127-18-4 Tetrachloroethene ND ND nc 30109-99-9 Tetrahydrofuran ND ND nc 30108-88-3 Toluene ND ND nc 2287-61-6 1,2,3-Trichlorobenzene ND ND nc 30120-82-1 1,2,4-Trichlorobenzene ND ND nc 3071-55-6 1,1,1-Trichloroethane ND ND nc 3079-00-5 1,1,2-Trichloroethane ND ND nc 3079-01-6 Trichloroethene ND ND nc 1775-69-4 Trichlorofluoromethane ND ND nc 3096-18-4 1,2,3-Trichloropropane ND ND nc 3095-63-6 1,2,4-Trimethylbenzene ND ND nc 30108-67-8 1,3,5-Trimethylbenzene ND ND nc 3075-01-4 Vinyl chloride ND ND nc 30

m,p-Xylene ND ND nc 2095-47-6 o-Xylene ND ND nc 19

* = Outside of Control Limits.

477 of 566

MC50199

88.5.2

Page 563: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Duplicate Summary Page 3 of 3 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchMC50199-22DUP V168149.D 1 04/25/17 SY n/a n/a VV7075MC50199-22 V168146.D 1 04/25/17 SY n/a n/a VV7075

The QC reported here applies to the following samples: Method: SW846 8260C

MC50199-4, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27,MC50199-28, MC50199-30

CAS No. Surrogate Recoveries DUP MC50199-22 Limits

1868-53-7 Dibromofluoromethane 104% 105% 70-122%17060-07-0 1,2-Dichloroethane-D4 92% 93% 68-124%2037-26-5 Toluene-D8 97% 97% 77-125%460-00-4 4-Bromofluorobenzene 98% 94% 72-130%

* = Outside of Control Limits.

478 of 566

MC50199

88.5.2

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Volatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: V3C6214-CC6163 Injection Date: 04/25/17Lab File ID: 3C136780.D Injection Time: 10:53 Instrument ID: GCMS3C Method: SW846 8260C

IS 1 IS 2 IS 3 IS 4 IS 5AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 112914 7.35 248531 9.59 372710 10.51 324569 13.64 215360 15.94Upper Limit a 225828 7.85 497062 10.09 745420 11.01 649138 14.14 430720 16.44Lower Limit b 56457 6.85 124266 9.09 186355 10.01 162285 13.14 107680 15.44

Lab IS 1 IS 2 IS 3 IS 4 IS 5Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT

V3C6214-MB 102378 7.35 269313 9.59 405887 10.51 341417 13.65 198047 15.94V3C6214-BS 114421 7.36 253394 9.59 376704 10.51 324043 13.65 215391 15.94JC41811-1 160871 7.35 283857 9.59 439802 10.51 389816 13.64 237949 15.94JC41811-2 132139 7.35 247123 9.59 379053 10.51 354230 13.65 213019 15.94ZZZZZZ 145359 7.35 242805 9.59 369084 10.51 381747 13.65 231883 15.94ZZZZZZ 144715 7.35 232565 9.59 357718 10.51 368199 13.65 225979 15.94ZZZZZZ 142045 7.35 244192 9.59 368496 10.51 316944 13.65 190187 15.94JC41811-1DUP 170924 7.36 294344 9.59 448857 10.51 398615 13.65 235167 15.94ZZZZZZ 135895 7.35 278953 9.59 426205 10.51 376864 13.65 210150 15.94JC41811-2MS 114783 7.34 260847 9.59 392032 10.51 325713 13.65 182089 15.94MC50199-6 137029 7.35 265418 9.59 409591 10.51 373780 13.65 207331 15.94MC50199-7 129231 7.34 250235 9.59 383372 10.51 363349 13.65 208143 15.94MC50199-8 153800 7.35 256967 9.59 395923 10.51 384845 13.65 225534 15.94MC50199-10 142186 7.35 262473 9.59 404616 10.51 376417 13.65 208371 15.94MC50199-13 119902 7.34 256596 9.59 393807 10.51 371796 13.65 218768 15.94MC50199-16 134463 7.35 265433 9.59 412870 10.51 408495 13.65 231315 15.94MC50199-17 129028 7.35 252532 9.59 389281 10.51 369374 13.65 204372 15.94MC50199-18 127642 7.35 251456 9.59 384547 10.51 357706 13.65 208784 15.94

IS 1 = Tert Butyl Alcohol-D9IS 2 = PentafluorobenzeneIS 3 = 1,4-DifluorobenzeneIS 4 = Chlorobenzene-D5IS 5 = 1,4-Dichlorobenzene-d4

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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Volatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: VV7075-CC7044 Injection Date: 04/25/17Lab File ID: V168137.D Injection Time: 08:12 Instrument ID: GCMSV Method: SW846 8260C

IS 1 IS 2 IS 3 IS 4 IS 5AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 154019 7.75 306612 10.05 458342 11.02 453501 14.43 278933 17.07Upper Limit a 308038 8.25 613224 10.55 916684 11.52 907002 14.93 557866 17.57Lower Limit b 77010 7.25 153306 9.55 229171 10.52 226751 13.93 139467 16.57

Lab IS 1 IS 2 IS 3 IS 4 IS 5Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT

VV7075-MB 165305 7.75 284792 10.05 432889 11.02 428156 14.43 263683 17.07VV7074-MB2 165305 7.75 284792 10.05 432889 11.02 428156 14.43 263683 17.07ZZZZZZ 165305 7.75 284792 10.05 432889 11.02 428156 14.43 263683 17.07VV7074-BS2 167152 7.76 321235 10.05 473366 11.02 455093 14.43 278243 17.07VV7075-BS 167152 7.76 321235 10.05 473366 11.02 455093 14.43 278243 17.07VV7075-BSD 178595 7.76 341026 10.05 487758 11.02 470018 14.43 288821 17.07JC41058-2MS 145408 7.76 376034 10.05 544139 11.02 515682 14.43 311565 17.07JC41058-3DUP 152732 7.75 342375 10.05 514478 11.02 490166 14.43 310005 17.07ZZZZZZ 159315 7.75 344357 10.05 507920 11.02 488029 14.43 294958 17.07MC50199-21 174821 7.75 353517 10.05 524114 11.02 503107 14.43 299937 17.07MC50199-22 160829 7.75 341949 10.05 510872 11.02 479130 14.43 297249 17.07MC50199-23 154942 7.75 341893 10.05 504955 11.02 486322 14.43 301273 17.07MC50199-24 158976 7.76 343509 10.05 507961 11.02 486336 14.43 298831 17.07MC50199-22DUP 158774 7.76 345929 10.05 511502 11.02 490971 14.43 292917 17.07MC50199-4 158648 7.76 334371 10.05 488306 11.02 473880 14.43 283116 17.07MC50199-30 152281 7.76 326786 10.05 487151 11.02 467771 14.43 287643 17.07MC50199-25 133590 7.75 332153 10.05 495732 11.02 479811 14.43 294971 17.07ZZZZZZ 162857 7.75 338787 10.05 500365 11.02 482138 14.43 295311 17.07MC50199-26 157445 7.75 334826 10.05 502902 11.02 483458 14.43 302196 17.07MC50199-27 152891 7.74 332633 10.05 494670 11.02 483207 14.43 303272 17.07MC50199-28 148457 7.76 337236 10.05 499964 11.02 479762 14.43 287690 17.07MC50199-23MS 138792 7.77 356560 10.05 532138 11.02 514766 14.43 305968 17.07

IS 1 = Tert Butyl Alcohol-D9IS 2 = PentafluorobenzeneIS 3 = 1,4-DifluorobenzeneIS 4 = Chlorobenzene-D5IS 5 = 1,4-Dichlorobenzene-d4

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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Volatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: VV7077-CC7044 Injection Date: 04/26/17Lab File ID: V168183.D Injection Time: 07:56 Instrument ID: GCMSV Method: SW846 8260C

IS 1 IS 2 IS 3 IS 4 IS 5AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 143779 7.76 335359 10.05 477110 11.02 476636 14.43 298280 17.07Upper Limit a 287558 8.26 670718 10.55 954220 11.52 953272 14.93 596560 17.57Lower Limit b 71890 7.26 167680 9.55 238555 10.52 238318 13.93 149140 16.57

Lab IS 1 IS 2 IS 3 IS 4 IS 5Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT

VV7077-MB 194116 7.75 314552 10.05 459021 11.02 455904 14.43 294070 17.07VV7077-BS 169473 7.75 344271 10.05 497550 11.02 494604 14.43 305430 17.07VV7077-BSD 157107 7.76 340869 10.05 476949 11.02 465993 14.43 294520 17.07ZZZZZZ 158529 7.75 318757 10.05 469990 11.02 456508 14.43 285805 17.07ZZZZZZ 142702 7.75 358221 10.05 515237 11.02 491710 14.43 307575 17.07ZZZZZZ 191005 7.76 421926 10.05 568626 11.02 542036 14.43 335377 17.07MC50199-29 163228 7.75 356405 10.05 510889 11.02 500014 14.43 310038 17.07MC50199-20 127602 7.75 344673 10.05 498863 11.02 478035 14.43 284173 17.07MC50199-19 176234 7.75 329194 10.05 481916 11.02 462024 14.43 273481 17.07MC50199-11 224070 7.76 316131 10.05 458914 11.02 457727 14.43 281732 17.07MC50199-15 155479 7.75 336282 10.05 493743 11.02 488837 14.43 304332 17.07MC50199-14 148865 7.75 337107 10.05 488156 11.02 475800 14.43 289971 17.07MC50199-12 142418 7.75 332414 10.05 485398 11.02 468272 14.43 291114 17.07MC50199-9 152226 7.75 338405 10.05 502379 11.02 476983 14.43 284013 17.07MC50199-5 151691 7.75 322783 10.05 484081 11.02 464956 14.43 286708 17.07MC50199-2 142289 7.75 313357 10.05 458748 11.02 465652 14.43 291299 17.07

IS 1 = Tert Butyl Alcohol-D9IS 2 = PentafluorobenzeneIS 3 = 1,4-DifluorobenzeneIS 4 = Chlorobenzene-D5IS 5 = 1,4-Dichlorobenzene-d4

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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Volatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: VY7434-CC7387 Injection Date: 04/25/17Lab File ID: Y171805.D Injection Time: 08:22 Instrument ID: GCMSY Method: SW846 8260C

IS 1 IS 2 IS 3 IS 4 IS 5AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 137991 7.05 285620 9.27 463223 10.18 394845 13.35 198424 15.66Upper Limit a 275982 7.55 571240 9.77 926446 10.68 789690 13.85 396848 16.16Lower Limit b 68996 6.55 142810 8.77 231612 9.68 197423 12.85 99212 15.16

Lab IS 1 IS 2 IS 3 IS 4 IS 5Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT

VY7434-MB 137039 7.07 282815 9.27 454363 10.18 392622 13.35 184713 15.66VY7434-BS 136113 7.06 290493 9.27 461501 10.18 392071 13.35 195730 15.66VY7434-BSD 123159 7.06 300046 9.27 475359 10.18 404619 13.35 201634 15.66MC50199-1 125739 7.06 310421 9.27 497983 10.18 418696 13.35 191602 15.66MC50199-3 133205 7.06 310684 9.27 499128 10.18 417291 13.35 187713 15.66MC50199-1DUP 139093 7.07 316032 9.27 508195 10.18 426410 13.35 190535 15.66MC50199-3MS 117802 7.05 305996 9.27 498997 10.18 409505 13.35 191788 15.65ZZZZZZ 133184 7.05 292182 9.27 474355 10.18 397945 13.35 170296 15.66ZZZZZZ 135197 7.05 299867 9.27 478157 10.18 411846 13.35 192268 15.66ZZZZZZ 143248 7.06 312945 9.27 500438 10.18 426822 13.35 193786 15.66ZZZZZZ 136200 7.05 305111 9.27 496568 10.18 418008 13.35 192908 15.66ZZZZZZ 149750 7.05 303909 9.27 489152 10.18 418941 13.35 194264 15.66ZZZZZZ 128457 7.06 292330 9.27 474178 10.18 400517 13.35 181195 15.66ZZZZZZ 140642 7.06 300341 9.27 486054 10.18 412912 13.35 189493 15.66ZZZZZZ 142791 7.06 299656 9.27 478640 10.18 410767 13.35 190429 15.66ZZZZZZ 142317 7.07 299030 9.27 474598 10.18 409976 13.35 191100 15.66

IS 1 = Tert Butyl Alcohol-D9IS 2 = PentafluorobenzeneIS 3 = 1,4-DifluorobenzeneIS 4 = Chlorobenzene-D5IS 5 = 1,4-Dichlorobenzene-d4

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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Volatile Surrogate Recovery Summary Page 1 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8260C Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 S2 S3 S4

MC50199-1 Y171810.D 99 95 98 113MC50199-2 V168201.D 107 93 94 90MC50199-3 Y171811.D 99 95 98 113MC50199-4 V168149A.D 103 94 96 97MC50199-5 V168200.D 106 93 94 90MC50199-6 3C136795.D 103 98 100 113MC50199-7 3C136796.D 105 99 97 112MC50199-8 3C136797.D 106 101 97 111MC50199-9 V168199.D 107 90 96 92MC50199-10 3C136798.D 106 98 98 112MC50199-11 V168195.D 110 99 92 91MC50199-12 V168198.D 106 92 97 92MC50199-13 3C136800.D 104 96 98 109MC50199-14 V168197A.D 106 93 94 92MC50199-15 V168197.D 110 94 94 89MC50199-16 3C136801.D 105 98 94 115MC50199-17 3C136802.D 106 99 97 112MC50199-18 3C136803.D 106 100 98 110MC50199-19 V168194.D 109 97 95 94MC50199-20 V168193.D 104 91 96 95MC50199-21 V168145.D 104 95 97 96MC50199-22 V168146.D 105 93 97 94MC50199-23 V168147.D 105 93 97 94MC50199-24 V168148.D 104 92 97 97MC50199-25 V168153.D 105 88 95 92MC50199-26 V168154.D 107 94 96 93MC50199-27 V168155.D 108 95 97 93MC50199-28 V168156.D 106 93 97 93MC50199-29 V168192.D 105 93 95 91MC50199-30 V168152.D 103 88 96 95MC50199-1DUP Y171813.D 100 97 98 117MC50199-22DUP V168149.D 104 92 97 98MC50199-23MS V168157.D 99 82 97 93MC50199-3MS Y171815.D 98 90 100 112V3C6214-BS 3C136783.D 99 93 106 99V3C6214-MB 3C136782.D 96 89 106 106VV7075-BS V168139.D 98 89 98 96VV7075-BSD V168140.D 97 87 99 97VV7075-MB V168138.D 109 99 95 94VV7077-BS V168186.D 99 86 92 93

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Volatile Surrogate Recovery Summary Page 2 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8260C Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 S2 S3 S4

VV7077-BSD V168187.D 95 84 95 90VV7077-MB V168185.D 105 95 93 88VY7434-BS Y171807.D 98 94 98 107VY7434-BSD Y171808.D 97 93 98 108VY7434-MB Y171806.D 99 97 97 112

Surrogate RecoveryCompounds Limits

S1 = Dibromofluoromethane 70-122%S2 = 1,2-Dichloroethane-D4 68-124%S3 = Toluene-D8 77-125%S4 = 4-Bromofluorobenzene 72-130%

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SGS Accutest

GC/MS Semi-volatiles

QC Data Summaries

(SGS Accutest New Jersey)

Includes the following where applicable:

• Method Blank Summaries• Blank Spike Summaries• Matrix Spike and Duplicate Summaries• Internal Standard Area Summaries• Surrogate Recovery Summaries

New EnglandSection 9

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2255-MB1 6P37003.D 1 04/27/17 CS 04/26/17 OP2255 E6P1706

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 33 ug/kg208-96-8 Acenaphthylene ND 33 ug/kg120-12-7 Anthracene ND 33 ug/kg56-55-3 Benzo(a)anthracene ND 33 ug/kg50-32-8 Benzo(a)pyrene ND 33 ug/kg205-99-2 Benzo(b)fluoranthene ND 33 ug/kg191-24-2 Benzo(g,h,i)perylene ND 33 ug/kg207-08-9 Benzo(k)fluoranthene ND 33 ug/kg218-01-9 Chrysene ND 33 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 33 ug/kg206-44-0 Fluoranthene ND 33 ug/kg86-73-7 Fluorene ND 33 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 33 ug/kg91-57-6 2-Methylnaphthalene ND 67 ug/kg91-20-3 Naphthalene ND 33 ug/kg85-01-8 Phenanthrene ND 33 ug/kg129-00-0 Pyrene ND 33 ug/kg

CAS No. Surrogate Recoveries Limits

367-12-4 2-Fluorophenol 89% 23-115%4165-62-2 Phenol-d5 88% 27-114%118-79-6 2,4,6-Tribromophenol 102% 19-152%4165-60-0 Nitrobenzene-d5 101% 26-134%321-60-8 2-Fluorobiphenyl 93% 39-124%1718-51-0 Terphenyl-d14 87% 36-134%

CAS No. Tentatively Identified Compounds R.T. Est. Conc. Units Q

alkane 13.90 640 ug/kg Jalkane 16.02 710 ug/kg JTotal TIC, Semi-Volatile 1350 ug/kg J

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2256-MB1 M133605.D 1 04/27/17 SB 04/26/17 OP2256 EM5728

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21,MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 33 ug/kg208-96-8 Acenaphthylene ND 33 ug/kg120-12-7 Anthracene ND 33 ug/kg56-55-3 Benzo(a)anthracene ND 33 ug/kg50-32-8 Benzo(a)pyrene ND 33 ug/kg205-99-2 Benzo(b)fluoranthene ND 33 ug/kg191-24-2 Benzo(g,h,i)perylene ND 33 ug/kg207-08-9 Benzo(k)fluoranthene ND 33 ug/kg218-01-9 Chrysene ND 33 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 33 ug/kg206-44-0 Fluoranthene ND 33 ug/kg86-73-7 Fluorene ND 33 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 33 ug/kg91-57-6 2-Methylnaphthalene ND 67 ug/kg91-20-3 Naphthalene ND 33 ug/kg85-01-8 Phenanthrene ND 33 ug/kg129-00-0 Pyrene ND 33 ug/kg

CAS No. Surrogate Recoveries Limits

367-12-4 2-Fluorophenol 98% 23-115%4165-62-2 Phenol-d5 102% 27-114%118-79-6 2,4,6-Tribromophenol 100% 19-152%4165-60-0 Nitrobenzene-d5 94% 26-134%321-60-8 2-Fluorobiphenyl 91% 39-124%1718-51-0 Terphenyl-d14 98% 36-134%

CAS No. Tentatively Identified Compounds R.T. Est. Conc. Units Q

Total TIC, Semi-Volatile 0 ug/kg

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2256-MB1 F166572.D 1 04/27/17 RL 04/26/17 OP2256 EF7041

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21,MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 33 ug/kg208-96-8 Acenaphthylene ND 33 ug/kg120-12-7 Anthracene ND 33 ug/kg56-55-3 Benzo(a)anthracene ND 33 ug/kg50-32-8 Benzo(a)pyrene ND 33 ug/kg205-99-2 Benzo(b)fluoranthene ND 33 ug/kg191-24-2 Benzo(g,h,i)perylene ND 33 ug/kg207-08-9 Benzo(k)fluoranthene ND 33 ug/kg218-01-9 Chrysene ND 33 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 33 ug/kg206-44-0 Fluoranthene ND 33 ug/kg86-73-7 Fluorene ND 33 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 33 ug/kg91-57-6 2-Methylnaphthalene ND 67 ug/kg91-20-3 Naphthalene ND 33 ug/kg85-01-8 Phenanthrene ND 33 ug/kg129-00-0 Pyrene ND 33 ug/kg

CAS No. Surrogate Recoveries Limits

367-12-4 2-Fluorophenol 86% 23-115%4165-62-2 Phenol-d5 86% 27-114%118-79-6 2,4,6-Tribromophenol 82% 19-152%4165-60-0 Nitrobenzene-d5 99% 26-134%321-60-8 2-Fluorobiphenyl 90% 39-124%1718-51-0 Terphenyl-d14 101% 36-134%

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Method Blank Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2255-MB1 3E92869.D 1 04/27/17 AN 04/26/17 OP2255 E3E4131

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13

CAS No. Compound Result RL Units Q

83-32-9 Acenaphthene ND 33 ug/kg208-96-8 Acenaphthylene ND 33 ug/kg120-12-7 Anthracene ND 33 ug/kg56-55-3 Benzo(a)anthracene ND 33 ug/kg50-32-8 Benzo(a)pyrene ND 33 ug/kg205-99-2 Benzo(b)fluoranthene ND 33 ug/kg191-24-2 Benzo(g,h,i)perylene ND 33 ug/kg207-08-9 Benzo(k)fluoranthene ND 33 ug/kg218-01-9 Chrysene ND 33 ug/kg53-70-3 Dibenzo(a,h)anthracene ND 33 ug/kg206-44-0 Fluoranthene ND 33 ug/kg86-73-7 Fluorene ND 33 ug/kg193-39-5 Indeno(1,2,3-cd)pyrene ND 33 ug/kg91-57-6 2-Methylnaphthalene ND 67 ug/kg91-20-3 Naphthalene ND 33 ug/kg85-01-8 Phenanthrene ND 33 ug/kg129-00-0 Pyrene ND 33 ug/kg

CAS No. Surrogate Recoveries Limits

367-12-4 2-Fluorophenol 86% 23-115%4165-62-2 Phenol-d5 87% 27-114%118-79-6 2,4,6-Tribromophenol 95% 19-152%4165-60-0 Nitrobenzene-d5 83% 26-134%321-60-8 2-Fluorobiphenyl 96% 39-124%1718-51-0 Terphenyl-d14 98% 36-134%

CAS No. Tentatively Identified Compounds R.T. Est. Conc. Units Q

system artifact 2.04 350 ug/kg JTotal TIC, Semi-Volatile 0 ug/kg

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Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2256-BS1 M133606.D 1 04/27/17 SB 04/26/17 OP2256 EM5728

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21,MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

83-32-9 Acenaphthene 1670 1460 88 53-119208-96-8 Acenaphthylene 1670 1510 91 41-125120-12-7 Anthracene 1670 1460 88 51-12056-55-3 Benzo(a)anthracene 1670 1620 97 54-11850-32-8 Benzo(a)pyrene 1670 1560 94 55-121205-99-2 Benzo(b)fluoranthene 1670 1500 90 57-116191-24-2 Benzo(g,h,i)perylene 1670 1320 79 40-124207-08-9 Benzo(k)fluoranthene 1670 1480 89 59-116218-01-9 Chrysene 1670 1450 87 51-11553-70-3 Dibenzo(a,h)anthracene 1670 1420 85 48-121206-44-0 Fluoranthene 1670 1520 91 58-11786-73-7 Fluorene 1670 1490 89 56-114193-39-5 Indeno(1,2,3-cd)pyrene 1670 1360 82 49-12491-57-6 2-Methylnaphthalene 1670 1530 92 37-12491-20-3 Naphthalene 1670 1370 82 44-11685-01-8 Phenanthrene 1670 1390 83 53-119129-00-0 Pyrene 1670 1620 97 54-124

CAS No. Surrogate Recoveries BSP Limits

367-12-4 2-Fluorophenol 102% 23-115%4165-62-2 Phenol-d5 102% 27-114%118-79-6 2,4,6-Tribromophenol 103% 19-152%4165-60-0 Nitrobenzene-d5 95% 26-134%321-60-8 2-Fluorobiphenyl 88% 39-124%3386-33-2 1-Chlorooctadecane 0% -%1718-51-0 Terphenyl-d14 101% 36-134%

* = Outside of Control Limits.

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Blank Spike Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2256-BS1 F166573.D 1 04/27/17 RL 04/26/17 OP2256 EF7041

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21,MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Spike BSP BSPCAS No. Compound ug/kg ug/kg % Limits

83-32-9 Acenaphthene 1670 1350 81 53-119208-96-8 Acenaphthylene 1670 1380 83 41-125120-12-7 Anthracene 1670 1350 81 51-12056-55-3 Benzo(a)anthracene 1670 1460 88 54-11850-32-8 Benzo(a)pyrene 1670 1490 89 55-121205-99-2 Benzo(b)fluoranthene 1670 1440 86 57-116191-24-2 Benzo(g,h,i)perylene 1670 1340 80 40-124207-08-9 Benzo(k)fluoranthene 1670 1480 89 59-116218-01-9 Chrysene 1670 1490 89 51-11553-70-3 Dibenzo(a,h)anthracene 1670 1280 77 48-121206-44-0 Fluoranthene 1670 1410 85 58-11786-73-7 Fluorene 1670 1390 83 56-114193-39-5 Indeno(1,2,3-cd)pyrene 1670 1260 76 49-12491-57-6 2-Methylnaphthalene 1670 1230 74 37-12491-20-3 Naphthalene 1670 1150 69 44-11685-01-8 Phenanthrene 1670 1330 80 53-119129-00-0 Pyrene 1670 1530 92 54-124

CAS No. Surrogate Recoveries BSP Limits

367-12-4 2-Fluorophenol 83% 23-115%4165-62-2 Phenol-d5 84% 27-114%118-79-6 2,4,6-Tribromophenol 84% 19-152%4165-60-0 Nitrobenzene-d5 87% 26-134%321-60-8 2-Fluorobiphenyl 91% 39-124%1718-51-0 Terphenyl-d14 96% 36-134%

* = Outside of Control Limits.

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Blank Spike/Blank Spike Duplicate Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2255-BS1 3E92870.D 1 04/27/17 AN 04/26/17 OP2255 E3E4131OP2255-BSD 3E92871.D 1 04/27/17 AN 04/26/17 OP2255 E3E4131

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13

Spike BSP BSP BSD BSD LimitsCAS No. Compound ug/kg ug/kg % ug/kg % RPD Rec/RPD

83-32-9 Acenaphthene 1670 1450 87 1420 85 2 53-119/30208-96-8 Acenaphthylene 1670 1490 89 1450 87 3 41-125/30120-12-7 Anthracene 1670 1550 93 1460 88 6 51-120/3056-55-3 Benzo(a)anthracene 1670 1540 92 1450 87 6 54-118/3050-32-8 Benzo(a)pyrene 1670 1600 96 1520 91 5 55-121/30205-99-2 Benzo(b)fluoranthene 1670 1540 92 1450 87 6 57-116/30191-24-2 Benzo(g,h,i)perylene 1670 1570 94 1500 90 5 40-124/30207-08-9 Benzo(k)fluoranthene 1670 1640 98 1530 92 7 59-116/30218-01-9 Chrysene 1670 1510 91 1430 86 5 51-115/3053-70-3 Dibenzo(a,h)anthracene 1670 1600 96 1520 91 5 48-121/30206-44-0 Fluoranthene 1670 1580 95 1470 88 7 58-117/3086-73-7 Fluorene 1670 1520 91 1460 88 4 56-114/30193-39-5 Indeno(1,2,3-cd)pyrene 1670 1430 86 1360 82 5 49-124/3091-57-6 2-Methylnaphthalene 1670 1320 79 1320 79 0 37-124/3091-20-3 Naphthalene 1670 1250 75 1220 73 2 44-116/3085-01-8 Phenanthrene 1670 1520 91 1440 86 5 53-119/30129-00-0 Pyrene 1670 1580 95 1500 90 5 54-124/30

CAS No. Surrogate Recoveries BSP BSD Limits

367-12-4 2-Fluorophenol 86% 87% 23-115%4165-62-2 Phenol-d5 86% 87% 27-114%118-79-6 2,4,6-Tribromophenol 110% 107% 19-152%4165-60-0 Nitrobenzene-d5 75% 76% 26-134%321-60-8 2-Fluorobiphenyl 93% 94% 39-124%1718-51-0 Terphenyl-d14 100% 97% 36-134%

* = Outside of Control Limits.

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Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2256-MS F166588.D 1 04/27/17 RL 04/26/17 OP2256 EF7041OP2256-MSD F166589.D 1 04/27/17 RL 04/26/17 OP2256 EF7041MC50199-14 F166587.D 1 04/27/17 RL 04/26/17 OP2256 EF7041

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-14, MC50199-15, MC50199-16, MC50199-17, MC50199-18, MC50199-19, MC50199-20, MC50199-21,MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

MC50199-14 Spike MS MS Spike MSD MSD LimitsCAS No. Compound ug/kg Q ug/kg ug/kg % ug/kg ug/kg % RPD Rec/RPD

83-32-9 Acenaphthene 47.5 2660 1690 62 2540 1570 60 7 21-136/34208-96-8 Acenaphthylene 383 2660 2020 62 2540 1930 61 5 10-143/36120-12-7 Anthracene 425 2660 2040 61 2540 1950 60 5 10-147/3956-55-3 Benzo(a)anthracene 1290 2660 3320 76 2540 2940 65 12 10-151/4150-32-8 Benzo(a)pyrene 1480 2660 3220 65 2540 3060 62 5 10-149/40205-99-2 Benzo(b)fluoranthene 2360 2660 4020 62 2540 3640 50 10 10-147/42191-24-2 Benzo(g,h,i)perylene 1380 2660 2850 55 2540 2650 50 7 10-150/41207-08-9 Benzo(k)fluoranthene 929 2660 2600 63 2540 2350 56 10 12-142/41218-01-9 Chrysene 1900 2660 3860 74 2540 3410 59 12 10-151/4153-70-3 Dibenzo(a,h)anthracene 272 2660 1750 56 2540 1670 55 5 10-152/38206-44-0 Fluoranthene 3030 2660 5490 92 2540 4560 60 19 10-151/4486-73-7 Fluorene 78.5 2660 1810 65 2540 1690 63 7 19-133/36193-39-5 Indeno(1,2,3-cd)pyrene 1400 2660 2980 59 2540 2730 52 9 10-148/4191-57-6 2-Methylnaphthalene 54.3 2660 1630 59 2540 1540 58 6 10-141/3591-20-3 Naphthalene 133 2660 1650 57 2540 1490 53 10 10-136/3685-01-8 Phenanthrene 960 2660 2800 69 2540 2410 57 15 11-145/45129-00-0 Pyrene 2550 2660 4770 83 2540 4090 61 15 11-155/44

CAS No. Surrogate Recoveries MS MSD MC50199-14 Limits

367-12-4 2-Fluorophenol 17%* a 64% 23-115%4165-62-2 Phenol-d5 21%* a 66% 27-114%118-79-6 2,4,6-Tribromophenol 14%* a 62% 19-152%4165-60-0 Nitrobenzene-d5 68% 67% 71% 26-134%321-60-8 2-Fluorobiphenyl 70% 68% 68% 39-124%1718-51-0 Terphenyl-d14 70% 70% 69% 36-134%

(a) Outside of in house control limits.

* = Outside of Control Limits.

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Matrix Spike/Matrix Spike Duplicate Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Sample File ID DF Analyzed By Prep Date Prep Batch Analytical BatchOP2255-MS 3E92883.D 1 04/28/17 AN 04/26/17 OP2255 E3E4131OP2255-MSD 3E92884.D 1 04/28/17 AN 04/26/17 OP2255 E3E4131MC50199-1 3E92885.D 1 04/28/17 AN 04/26/17 OP2255 E3E4131

The QC reported here applies to the following samples: Method: SW846 8270D

MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9,MC50199-10, MC50199-11, MC50199-12, MC50199-13

MC50199-1 Spike MS MS Spike MSD MSD LimitsCAS No. Compound ug/kg Q ug/kg ug/kg % ug/kg ug/kg % RPD Rec/RPD

83-32-9 Acenaphthene 31.1 1920 1560 80 1950 1590 80 2 21-136/34208-96-8 Acenaphthylene 130 1920 1700 82 1950 1730 82 2 10-143/36120-12-7 Anthracene 128 1920 1690 81 1950 1760 84 4 10-147/3956-55-3 Benzo(a)anthracene 352 1920 1970 84 1950 1990 84 1 10-151/4150-32-8 Benzo(a)pyrene 474 1920 2010 80 1950 2050 81 2 10-149/40205-99-2 Benzo(b)fluoranthene 545 1920 2010 76 1950 2060 78 2 10-147/42191-24-2 Benzo(g,h,i)perylene 382 1920 1900 79 1950 1980 82 4 10-150/41207-08-9 Benzo(k)fluoranthene 219 1920 1640 74 1950 1780 80 8 12-142/41218-01-9 Chrysene 420 1920 1930 79 1950 1960 79 2 10-151/4153-70-3 Dibenzo(a,h)anthracene 91.4 1920 1590 78 1950 1730 84 8 10-152/38206-44-0 Fluoranthene 746 1920 2370 84 1950 2410 85 2 10-151/4486-73-7 Fluorene 34.6 1920 1560 79 1950 1600 80 3 19-133/36193-39-5 Indeno(1,2,3-cd)pyrene 380 1920 1840 76 1950 1890 77 3 10-148/4191-57-6 2-Methylnaphthalene 20.8 1920 1450 74 1950 1470 74 1 10-141/3591-20-3 Naphthalene 28.4 1920 1330 68 1950 1330 67 0 10-136/3685-01-8 Phenanthrene 289 1920 1880 83 1950 1890 82 1 11-145/45129-00-0 Pyrene 904 1920 2910 104 1950 2800 97 4 11-155/44

CAS No. Surrogate Recoveries MS MSD MC50199-1 Limits

367-12-4 2-Fluorophenol 78% 77% 23-115%4165-62-2 Phenol-d5 81% 80% 27-114%118-79-6 2,4,6-Tribromophenol 112% 111% 19-152%4165-60-0 Nitrobenzene-d5 71% 70% 76% 26-134%321-60-8 2-Fluorobiphenyl 89% 89% 86% 39-124%1718-51-0 Terphenyl-d14 101% 101% 101% 36-134%

* = Outside of Control Limits.

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Semivolatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: E3E4131-CC4127 Injection Date: 04/27/17Lab File ID: 3E92864.D Injection Time: 17:00 Instrument ID: GCMS3E Method: SW846 8270D

IS 1 IS 2 IS 3 IS 4 IS 5 IS 6AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 175580 4.95 643108 6.10 392278 8.22 633032 10.41 667135 14.61 614428 16.73Upper Limit a 351160 5.45 1286216 6.60 784556 8.72 1266064 10.91 1334270 15.11 1228856 17.23Lower Limit b 87790 4.45 321554 5.60 196139 7.72 316516 9.91 333568 14.11 307214 16.23

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

OP2255-MB1 206965 4.95 790874 6.10 479940 8.22 774223 10.41 738302 14.61 717280 16.73OP2255-BS1 184237 4.95 748973 6.10 392505 8.22 625300 10.41 637274 14.61 581558 16.73OP2255-BSD 191327 4.95 781486 6.10 411793 8.22 663243 10.41 669046 14.61 609452 16.73OP2255-BS13 185114 4.95 693797 6.10 421674 8.22 650200 10.41 642495 14.61 618970 16.73OP2133-MB1 170084 4.95 652946 6.10 408600 8.22 676615 10.41 671723 14.61 664880 16.73OP2133-BS14 151418 4.95 584016 6.10 362711 8.22 587900 10.41 577796 14.61 565870 16.73OP2133-BS15 168081 4.95 638282 6.10 387972 8.22 633479 10.41 630491 14.61 623946 16.73OP2133-MS 152636 4.95 636628 6.10 331659 8.22 536700 10.41 565437 14.61 525459 16.73OP2133-MSD 168700 4.95 705073 6.10 364448 8.22 599940 10.41 623039 14.61 589645 16.73JC41362-1 143825 4.95 544725 6.10 326405 8.22 552468 10.41 558825 14.61 553496 16.73ZZZZZZ 156214 4.95 602537 6.10 379071 8.22 612769 10.41 535147 14.61 510863 16.74ZZZZZZ 158364 4.95 606350 6.10 377366 8.22 616402 10.41 601077 14.61 591318 16.73ZZZZZZ 223537 4.95 706052 6.10 289285 8.25 427920 10.45 380960 14.66 405749 16.81ZZZZZZ 194454 4.96 723890 6.11 331611 8.24 497476 10.44 400888 14.65 420075 16.79OP2255-MS 183138 4.96 753448 6.11 389899 8.24 567316 10.43 440669 14.64 413970 16.77OP2255-MSD 170545 4.96 705134 6.11 367989 8.24 554396 10.43 462522 14.64 414469 16.78MC50199-1 180083 4.96 683316 6.11 415631 8.23 622262 10.43 496298 14.63 418703 16.77ZZZZZZ 191952 4.96 724117 6.11 442785 8.23 700650 10.43 606087 14.63 521675 16.77ZZZZZZ 201222 4.96 730084 6.11 415612 8.24 584481 10.44 407475 14.66 363907 16.80ZZZZZZ 174516 4.96 661526 6.11 402309 8.24 615070 10.44 465065 14.65 413201 16.79ZZZZZZ 169271 4.96 650746 6.11 396037 8.24 638089 10.43 585378 14.64 475088 16.78ZZZZZZ 164145 4.96 645743 6.11 402947 8.23 667332 10.43 626829 14.64 523913 16.77

IS 1 = 1,4-Dichlorobenzene-d4IS 2 = Naphthalene-d8IS 3 = Acenaphthene-D10IS 4 = Phenanthrene-d10IS 5 = Chrysene-d12IS 6 = Perylene-d12

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

495 of 566

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99.5.1

Page 581: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Semivolatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: E6P1706-CC1686 Injection Date: 04/26/17Lab File ID: 6P36994.D Injection Time: 21:41 Instrument ID: GCMS6P Method: SW846 8270D

IS 1 IS 2 IS 3 IS 4 IS 5 IS 6AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 220961 4.36 868061 5.36 484305 7.06 774345 8.74 693192 11.90 751498 13.49Upper Limit a 441922 4.86 1736122 5.86 968610 7.56 1548690 9.24 1386384 12.40 1502996 13.99Lower Limit b 110481 3.86 434031 4.86 242153 6.56 387173 8.24 346596 11.40 375749 12.99

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

OP2045A-MB1 225258 4.36 884708 5.36 491944 7.06 777141 8.73 680723 11.89 712938 13.49OP2045A-BS1 197796 4.36 778878 5.36 421941 7.06 672246 8.73 578392 11.90 616259 13.48OP2045A-BSD 215325 4.36 852872 5.36 458809 7.06 714660 8.73 603167 11.90 642314 13.48OP2003A-MB1 239649 4.36 932852 5.36 511655 7.06 789272 8.73 683997 11.89 728056 13.48OP2003A-BS1 217222 4.36 861657 5.36 464591 7.06 735435 8.73 617867 11.90 665234 13.48OP2003A-BSD 222194 4.36 879476 5.36 487215 7.06 770215 8.73 660984 11.90 694697 13.48OP2255-MB1 203655 4.36 797439 5.35 433698 7.05 690114 8.73 605238 11.89 620742 13.48ZZZZZZ 172527 4.36 690555 5.35 382234 7.05 609117 8.73 535649 11.88 575639 13.48ZZZZZZ 183196 4.36 588210 5.37 360951 7.10 439617 8.78 574382 11.90 637599 13.48ZZZZZZ 266312 4.36 1016386 5.36 544832 7.08 796718 8.75 758800 11.89 822907 13.48ZZZZZZ 225792 4.36 869557 5.36 471957 7.05 739254 8.73 625106 11.88 643132 13.48ZZZZZZ 201836 4.36 793352 5.35 429541 7.05 684537 8.73 588252 11.88 595943 13.48ZZZZZZ 201823 4.36 791761 5.35 433491 7.05 697527 8.73 619420 11.88 672817 13.48MC50199-2 211666 4.36 815853 5.36 429029 7.06 650771 8.73 539289 11.90 589500 13.51MC50199-3 168281 4.36 658595 5.36 352410 7.07 536220 8.74 460738 11.92 512058 13.52MC50199-4 221355 4.36 856186 5.36 450096 7.07 685894 8.74 593392 11.91 634367 13.51MC50199-5 196305 4.36 766810 5.36 402757 7.07 622020 8.74 542530 11.91 578809 13.51MC50199-8 220778 4.36 840836 5.36 437722 7.07 651573 8.75 557030 11.92 615359 13.52MC50199-10 199838 4.36 778140 5.36 422823 7.07 647611 8.74 571107 11.91 620968 13.51MC50199-11 195893 4.36 764192 5.36 406082 7.07 634710 8.74 560379 11.91 610613 13.51

IS 1 = 1,4-Dichlorobenzene-d4IS 2 = Naphthalene-d8IS 3 = Acenaphthene-D10IS 4 = Phenanthrene-d10IS 5 = Chrysene-d12IS 6 = Perylene-d12

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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99.5.2

Page 582: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

Semivolatile Internal Standard Area Summary Page 1 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: E6P1707-CC1686 Injection Date: 04/27/17Lab File ID: 6P37032.D Injection Time: 10:31 Instrument ID: GCMS6P Method: SW846 8270D

IS 1 IS 2 IS 3 IS 4 IS 5 IS 6AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 213635 4.39 841009 5.39 502333 7.09 817718 8.77 690451 11.93 757768 13.53Upper Limit a 427270 4.89 1682018 5.89 1004666 7.59 1635436 9.27 1380902 12.43 1515536 14.03Lower Limit b 106818 3.89 420505 4.89 251167 6.59 408859 8.27 345226 11.43 378884 13.03

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

OP2280-MB1 241389 4.39 929186 5.39 539888 7.09 837741 8.77 667816 11.92 663848 13.52OP2280-BS1 224176 4.39 860943 5.39 492046 7.09 778817 8.77 600297 11.93 622714 13.52MC50199-13 239519 4.39 918861 5.39 520789 7.09 805091 8.77 626309 11.93 673301 13.52MC50199-12 c 217814 4.39 837254 5.39 480449 7.09 758347 8.77 629978 11.93 683372 13.52MC50199-6 c 198407 4.39 772692 5.39 441080 7.09 692015 8.77 579435 11.93 628834 13.52MC50199-7 c 195789 4.39 754903 5.39 432752 7.09 685417 8.77 577339 11.93 627048 13.52MC50199-9 c 192982 4.39 746519 5.39 423859 7.09 676802 8.77 585424 11.93 642100 13.53ZZZZZZ 309817 4.39 1165577 5.39 670243 7.09 1042555 8.77 875024 11.93 953807 13.53MC50199-3 189353 4.39 725375 5.39 422000 7.09 668771 8.77 584825 11.93 597789 13.53ZZZZZZ 207428 4.39 796074 5.39 445870 7.09 687981 8.77 552184 11.93 603957 13.53OP2167-MB1 175479 4.39 683446 5.39 405451 7.09 641849 8.77 539972 11.93 575102 13.53ZZZZZZ 205575 4.39 767159 5.39 446120 7.09 705819 8.77 619215 11.94 645781 13.54JC41968-2 214372 4.39 800672 5.39 444788 7.09 683579 8.77 548859 11.93 612640 13.53ZZZZZZ 210198 4.39 798161 5.39 454490 7.09 700280 8.77 549573 11.93 615768 13.53ZZZZZZ 205904 4.39 773286 5.39 439740 7.09 672754 8.77 530819 11.93 585597 13.53ZZZZZZ 204466 4.39 781833 5.39 445282 7.09 685363 8.77 533805 11.93 581361 13.52ZZZZZZ 208033 4.39 785753 5.39 441720 7.09 691550 8.77 542536 11.93 589534 13.52ZZZZZZ 199218 4.39 766132 5.39 427652 7.09 661676 8.77 520137 11.93 573963 13.52ZZZZZZ 203860 4.39 764184 5.39 437479 7.09 663406 8.77 522785 11.93 576216 13.52ZZZZZZ 210082 4.39 792926 5.39 440281 7.09 675117 8.77 534189 11.93 583681 13.52ZZZZZZ 198756 4.39 757105 5.39 428623 7.09 643733 8.77 509144 11.93 563300 13.52ZZZZZZ 210866 4.39 795728 5.39 444690 7.09 678980 8.77 522765 11.93 576855 13.52ZZZZZZ 221937 4.39 832860 5.39 473208 7.09 733195 8.77 567248 11.93 612859 13.52ZZZZZZ 197913 4.39 738198 5.39 414758 7.09 632140 8.77 488303 11.93 539612 13.52ZZZZZZ 200085 4.39 763861 5.39 425933 7.09 654116 8.77 501289 11.93 553931 13.52ZZZZZZ 196513 4.39 749631 5.39 423395 7.09 648137 8.77 508054 11.92 567016 13.52ZZZZZZ 201511 4.39 750274 5.39 421538 7.09 645487 8.77 498995 11.92 552902 13.52OP2280-MS 206372 4.39 785144 5.39 437563 7.09 667779 8.77 512494 11.93 566854 13.52

IS 1 = 1,4-Dichlorobenzene-d4IS 2 = Naphthalene-d8IS 3 = Acenaphthene-D10IS 4 = Phenanthrene-d10IS 5 = Chrysene-d12IS 6 = Perylene-d12

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Semivolatile Internal Standard Area Summary Page 2 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: E6P1707-CC1686 Injection Date: 04/27/17Lab File ID: 6P37032.D Injection Time: 10:31 Instrument ID: GCMS6P Method: SW846 8270D

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.(c) Elevated detection limit due to high final volume of viscous extract.

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Semivolatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: EF7041-CC7010 Injection Date: 04/27/17Lab File ID: F166568.D Injection Time: 12:40 Instrument ID: GCMSF Method: SW846 8270D

IS 1 IS 2 IS 3 IS 4 IS 5 IS 6AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 242896 4.72 954130 5.65 554809 7.06 892363 8.94 833221 14.21 815560 17.25Upper Limit a 485792 5.22 1908260 6.15 1109618 7.56 1784726 9.44 1666442 14.71 1631120 17.75Lower Limit b 121448 4.22 477065 5.15 277405 6.56 446182 8.44 416611 13.71 407780 16.75

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

OP2256-MB1 248568 4.72 952104 5.65 521441 7.06 787203 8.94 653027 14.20 618131 17.25OP2256-BS1 242024 4.72 1020164 5.65 488343 7.06 731521 8.94 613335 14.20 569558 17.25OP2256-BS13 231510 4.72 871918 5.65 467138 7.06 702741 8.94 570340 14.20 536858 17.25OP2253-MB1 220483 4.72 848342 5.65 463163 7.06 700905 8.94 590697 14.20 566639 17.25OP2253-BS1 236610 4.72 999296 5.65 480991 7.06 719166 8.94 605859 14.20 553766 17.25OP2253-BS13 210517 4.72 788162 5.65 438501 7.06 656176 8.94 557393 14.20 528066 17.24ZZZZZZ 235778 4.72 890495 5.65 486774 7.06 726402 8.94 593009 14.20 542573 17.24ZZZZZZ 235719 4.72 886800 5.65 479837 7.06 707800 8.94 590270 14.20 549002 17.24ZZZZZZ 227503 4.72 857800 5.65 465042 7.06 679333 8.94 554122 14.20 516533 17.24ZZZZZZ 200359 4.72 755656 5.65 419975 7.06 637495 8.94 591947 14.22 613733 17.28JC41564-1 203181 4.73 384016* 5.67 296649 7.11 547585 8.99 526910 14.29 562851 17.35OP2253-MS c 156759 4.73 481278 5.67 294224 7.10 539182 8.98 490529 14.29 522464 17.35OP2253-MSD c 169777 4.73 443268* 5.67 255093* 7.10 478977 8.98 431607 14.28 463739 17.34ZZZZZZ 203646 4.73 746001 5.65 393022 7.07 586736 8.97 555671 14.24 575172 17.30MC50199-14 195465 4.73 728323 5.65 403310 7.08 625537 8.97 562596 14.25 549689 17.32OP2256-MS 193668 4.73 769136 5.66 376252 7.08 581623 8.97 532786 14.26 536445 17.33OP2256-MSD 205861 4.73 827088 5.66 409019 7.08 622864 8.97 562859 14.27 563822 17.34

IS 1 = 1,4-Dichlorobenzene-d4IS 2 = Naphthalene-d8IS 3 = Acenaphthene-D10IS 4 = Phenanthrene-d10IS 5 = Chrysene-d12IS 6 = Perylene-d12

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.(c) rr 2x for MTX

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Semivolatile Internal Standard Area Summary Page 1 of 1 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Check Std: EM5728-CC5723 Injection Date: 04/27/17Lab File ID: M133603.D Injection Time: 00:55 Instrument ID: GCMSM Method: SW846 8270D

IS 1 IS 2 IS 3 IS 4 IS 5 IS 6AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

Check Std 210418 4.41 764783 5.47 505856 7.70 977021 10.26 1154808 15.38 1239943 17.97Upper Limit a 420836 4.91 1529566 5.97 1011712 8.20 1954042 10.76 2309616 15.88 2479886 18.47Lower Limit b 105209 3.91 382392 4.97 252928 7.20 488511 9.76 577404 14.88 619972 17.47

Lab IS 1 IS 2 IS 3 IS 4 IS 5 IS 6Sample ID AREA RT AREA RT AREA RT AREA RT AREA RT AREA RT

OP2256-MB1 235137 4.41 854037 5.47 546435 7.70 988163 10.25 1139394 15.36 1121440 17.96OP2256-BS1 223678 4.41 777625 5.47 509711 7.70 977938 10.26 1084140 15.38 1175532 17.97ZZZZZZ 241764 4.41 868735 5.47 559853 7.70 1037953 10.25 1182700 15.36 1161492 17.96ZZZZZZ 243272 4.41 848019 5.47 545693 7.69 1017074 10.25 1176844 15.36 1183890 17.96MC50199-15 242475 4.41 888443 5.48 576277 7.70 1060105 10.26 1071493 15.38 1030639 17.98MC50199-16 256898 4.41 931442 5.47 594328 7.70 1050864 10.26 1071184 15.38 1012757 17.99MC50199-17 251541 4.42 903709 5.47 574890 7.70 1046133 10.27 1128197 15.38 1031536 17.99MC50199-18 260450 4.41 946306 5.48 593312 7.71 1058741 10.26 1108236 15.38 1031600 17.99MC50199-19 245660 4.41 884376 5.48 559687 7.70 992670 10.27 1071716 15.38 977140 17.99MC50199-20 272859 4.41 987146 5.48 601969 7.70 1077023 10.27 1034242 15.40 987575 18.00MC50199-21 286488 4.42 1019136 5.48 628415 7.71 1126192 10.27 1042887 15.40 1013575 18.01MC50199-22 277345 4.42 963393 5.48 592158 7.71 1053718 10.27 964969 15.41 941500 18.01MC50199-23 266648 4.42 944271 5.48 596494 7.71 1062098 10.28 997598 15.40 968336 18.01MC50199-24 283210 4.42 981538 5.48 604624 7.71 1073612 10.28 1011845 15.41 983984 18.02MC50199-25 267821 4.42 943701 5.48 580934 7.71 1043340 10.28 1012640 15.41 974830 18.02MC50199-26 263282 4.42 917296 5.48 564362 7.72 998950 10.28 940951 15.41 923107 18.03MC50199-27 271835 4.42 969581 5.49 591579 7.72 1052579 10.29 993784 15.42 969567 18.03MC50199-28 255622 4.42 908438 5.48 564889 7.72 978784 10.29 924218 15.42 897500 18.04MC50199-29 253395 4.42 909490 5.49 559718 7.72 998122 10.29 960421 15.42 927372 18.04ZZZZZZ 221251 4.42 735144 5.49 461041 7.73 816795 10.30 898624 15.42 868729 18.03ZZZZZZ 203964 4.42 704204 5.49 451655 7.72 826796 10.29 882887 15.42 831726 18.02

IS 1 = 1,4-Dichlorobenzene-d4IS 2 = Naphthalene-d8IS 3 = Acenaphthene-D10IS 4 = Phenanthrene-d10IS 5 = Chrysene-d12IS 6 = Perylene-d12

(a) Upper Limit = +100% of check standard area; Retention time +0.5 minutes.(b) Lower Limit = -50% of check standard area; Retention time -0.5 minutes.

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Semivolatile Surrogate Recovery Summary Page 1 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8270D Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 S2 S3

MC50199-1 3E92885.D 76 86 101MC50199-2 6P37011.D 85 81 76MC50199-3 6P37042.D 79 78 73MC50199-3 6P37012.D 81 79 76MC50199-4 6P37013.D 68 67 59MC50199-5 6P37014.D 57 55 47MC50199-6 6P37038.D 91 98 89MC50199-7 6P37039.D 94 99 93MC50199-8 6P37015.D 78 74 69MC50199-9 6P37040.D 89 91 81MC50199-10 6P37016.D 76 75 70MC50199-11 6P37017.D 62 62 59MC50199-12 6P37037.D 85 94 89MC50199-13 6P37036.D 58 55 49MC50199-14 F166587.D 71 68 69MC50199-15 M133610.D 40 43 46MC50199-16 M133611.D 62 64 74MC50199-17 M133612.D 45 56 66MC50199-18 M133613.D 63 56 58MC50199-19 M133614.D 60 57 61MC50199-20 M133615.D 76 75 82MC50199-21 M133616.D 57 59 67MC50199-22 M133617.D 68 70 77MC50199-23 M133618.D 61 67 76MC50199-24 M133619.D 69 72 81MC50199-25 M133620.D 60 61 67MC50199-26 M133621.D 77 78 84MC50199-27 M133622.D 71 74 80MC50199-28 M133623.D 77 77 82MC50199-29 M133624.D 66 66 70OP2255-BS1 3E92870.D 75 93 100OP2255-BS13 3E92872.D 73 81 100OP2255-BSD 3E92871.D 76 94 97OP2255-MB1 6P37003.D 101 93 87OP2255-MB1 3E92869.D 83 96 98OP2255-MS 3E92883.D 71 89 101OP2255-MSD 3E92884.D 70 89 101OP2256-BS1 M133606.D 95 88 101OP2256-BS1 F166573.D 87 91 96OP2256-MB1 M133605.D 94 91 98

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Semivolatile Surrogate Recovery Summary Page 2 of 2 Job Number: MC50199Account: ALNE SGS Accutest New EnglandProject: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

Method: SW846 8270D Matrix: SO

Samples and QC shown here apply to the above method

Lab LabSample ID File ID S1 S2 S3

OP2256-MB1 F166572.D 99 90 101OP2256-MS F166588.D 68 70 70OP2256-MSD F166589.D 67 68 70

Surrogate RecoveryCompounds Limits

S1 = Nitrobenzene-d5 26-134%S2 = 2-Fluorobiphenyl 39-124%S3 = Terphenyl-d14 36-134%

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SGS Accutest

Metals Analysis

QC Data Summaries

(SGS Accutest New Jersey)

Includes the following where applicable:

• Method Blank Summaries• Matrix Spike and Duplicate Summaries• Blank Spike and Lab Control Sample Summaries• Serial Dilution Summaries

New EnglandSection 10

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/22/17

MB Metal RL IDL MDL raw final

Aluminum 49 1.9 1.9

Antimony 2.0 .25 .29

Arsenic 2.0 .2 .21 -0.020 <2.0

Barium 20 .069 .079 0.0 <20

Beryllium 0.20 .0098 .022

Bismuth 2.0 .39 .23

Boron 9.8 .18 .44

Cadmium 0.49 .049 .049 0.0 <0.50

Calcium 490 1.5 1.9

Chromium 0.98 .069 .12 0.050 <1.0

Cobalt 4.9 .059 .058

Copper 2.5 .14 .21

Iron 49 .46 .78

Lead 2.0 .24 .22 0.090 <2.0

Lithium 2.0 .36 .44

Magnesium 490 2.7 5.8

Manganese 1.5 .02 .035

Molybdenum 2.0 .059 .079

Nickel 3.9 .078 .075

Palladium 4.9 .41 .46

Phosphorus 9.8 .78 .46

Potassium 980 9 18

Selenium 2.0 .2 .45 -0.13 <2.0

Silicon 20 .18 3.6

Silver 0.49 .098 .097 -0.040 <0.50

Sodium 980 2.7 3.8

Strontium 0.98 .02 .024

Sulfur 4.9 .23 .57

Thallium 0.98 .18 .39

Tin 4.9 .12 .52

Titanium 0.98 .098 .12

Tungsten 4.9 .26 .32

Vanadium 4.9 .098 .081

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/22/17

MB Metal RL IDL MDL raw final

Zinc 4.9 .13 .21

Zirconium 2.0 .049 .13

Associated samples MP162: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/22/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum anr

Antimony anr

Arsenic 209 200 104.5 80-120

Barium 213 200 106.5 80-120

Beryllium anr

Bismuth

Boron

Cadmium 207 200 103.5 80-120

Calcium anr

Chromium 212 200 106.0 80-120

Cobalt anr

Copper anr

Iron anr

Lead 212 200 106.0 80-120

Lithium

Magnesium anr

Manganese anr

Molybdenum

Nickel anr

Palladium

Phosphorus

Potassium anr

Selenium 204 200 102.0 80-120

Silicon

Silver 26.2 25 104.8 80-120

Sodium anr

Strontium

Sulfur

Thallium anr

Tin

Titanium

Tungsten

Vanadium anr

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/22/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Zinc anr

Zirconium

Associated samples MP162: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: ug/l

Prep Date: 04/21/17

JC41749-1 QC Metal Original SDL 1:5 %DIF Limits

Aluminum anr

Antimony anr

Arsenic 0.00 0.00 NC 0-10

Barium 253 263 4.0 0-10

Beryllium anr

Bismuth

Boron

Cadmium 29.4 0.00 100.0(a) 0-10

Calcium anr

Chromium 242 274 12.9 (a) 0-10

Cobalt anr

Copper anr

Iron anr

Lead 0.00 0.00 NC 0-10

Lithium

Magnesium anr

Manganese anr

Molybdenum

Nickel anr

Palladium

Phosphorus

Potassium anr

Selenium 0.00 0.00 NC 0-10

Silicon

Silver 0.00 0.00 NC 0-10

Sodium anr

Strontium

Sulfur

Thallium anr

Tin

Titanium

Tungsten

Vanadium anr

_________________________________________________________________________________________________________

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP162 Methods: SW846 6010C Matrix Type: SOLID Units: ug/l

Prep Date: 04/21/17

JC41749-1 QC Metal Original SDL 1:5 %DIF Limits

Zinc anr

Zirconium

Associated samples MP162: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

_________________________________________________________________________________________________________

Page 2

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/23/17

MB Metal RL IDL MDL raw final

Aluminum 49 1.6 1.9

Antimony 2.0 .24 .29

Arsenic 2.0 .14 .21 -0.12 <2.0

Barium 20 .029 .079 0.078 <20

Beryllium 0.20 .02 .022

Bismuth 2.0 .2 .23

Boron 9.8 .18 .44

Cadmium 0.49 .029 .049 -0.020 <0.49

Calcium 490 3.4 1.9

Chromium 0.98 .069 .12 0.078 <0.98

Cobalt 4.9 .029 .058

Copper 2.5 .029 .21

Iron 49 .41 .78

Lead 2.0 .16 .22 0.19 <2.0

Lithium 2.0 .3 .44

Magnesium 490 4.2 5.8

Manganese 1.5 .02 .035

Molybdenum 2.0 .049 .079

Nickel 3.9 .059 .075

Palladium 4.9 .21 .46

Phosphorus 9.8 .26 .46

Potassium 980 8.1 18

Selenium 2.0 .41 .45 -0.020 <2.0

Silicon 20 .23 3.6

Silver 0.49 .098 .097 -0.049 <0.49

Sodium 980 2.5 3.8

Strontium 0.98 .029 .024

Sulfur 4.9 .4 .57

Thallium 0.98 .34 .39

Tin 4.9 .15 .52

Titanium 0.98 .069 .12

Tungsten 4.9 .18 .32

Vanadium 4.9 .049 .081

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/23/17

MB Metal RL IDL MDL raw final

Zinc 4.9 .41 .21

Zirconium 2.0 .049 .13

Associated samples MP168: MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17,MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/23/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 192 198 97.0 80-120

Barium 198 198 100.0 80-120

Beryllium

Bismuth

Boron

Cadmium 194 198 98.0 80-120

Calcium

Chromium 193 198 97.5 80-120

Cobalt

Copper

Iron

Lead 197 198 99.5 80-120

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Phosphorus

Potassium

Selenium 193 198 97.5 80-120

Silicon

Silver 23.5 24.8 94.9 80-120

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium anr

_________________________________________________________________________________________________________

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1010.2.2

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: mg/kg

Prep Date: 04/23/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Zinc

Zirconium

Associated samples MP168: MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17,MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: ug/l

Prep Date: 04/23/17

JC40376-159 QC Metal Original SDL 1:5 %DIF Limits

Aluminum

Antimony

Arsenic 67.7 76.1 12.4 (a) 0-10

Barium 1830 2090 14.1*(b) 0-10

Beryllium

Bismuth

Boron

Cadmium 13.8 13.6 1.4 0-10

Calcium

Chromium 162 182 12.1 (a) 0-10

Cobalt

Copper

Iron

Lead 55.9 0.00 100.0(a) 0-10

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Phosphorus

Potassium

Selenium 0.00 0.00 NC 0-10

Silicon

Silver 0.00 0.00 NC 0-10

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium anr

_________________________________________________________________________________________________________

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1010.2.3

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP168 Methods: SW846 6010C Matrix Type: SOLID Units: ug/l

Prep Date: 04/23/17

JC40376-159 QC Metal Original SDL 1:5 %DIF Limits

Zinc

Zirconium

Associated samples MP168: MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17,MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26, MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) Percent difference acceptable due to low initial sample concentration (< 50 times IDL).(b) Serial dilution indicates possible matrix interference.

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/22/17

MB Metal RL IDL MDL raw final

Aluminum 1.0 .052 .1

Antimony 0.50 .013 .017

Arsenic 0.50 .011 .011 -0.0032 <0.50

Barium 1.0 .001 .002 0.0039 <1.0

Beryllium 0.025 .0005 .0015

Bismuth 0.10 .011 .015

Boron 0.50 .0095 .02

Cadmium 0.025 .0015 .002 0.00030 <0.025

Calcium 10 .16 .17

Chromium 0.050 .0015 .004 0.0021 <0.050

Cobalt 0.25 .002 .0035

Copper 0.050 .012 .012

Iron 0.50 .022 .062

Lead 0.50 .01 .012 0.0016 <0.50

Lithium 0.10 .01 .02

Magnesium 10 .17 .42

Manganese 0.075 .0005 .002

Molybdenum 0.10 .002 .0045

Nickel 0.050 .003 .004

Palladium 0.25 .01 .019

Potassium 10 .18 .58

Selenium 0.50 .026 .021 0.0096 <0.50

Silicon 1.0 .029 .14

Silver 0.050 .002 .0045 0.00090 <0.050

Sodium 10 .11 .12

Strontium 0.050 .0005 .001

Sulfur 0.25 .033 .035

Thallium 0.50 .0095 .0095

Tin 0.050 .01 .012

Titanium 0.050 .002 .005

Tungsten 0.25 .0085 .016

Vanadium 0.25 .0015 .0035

Zinc 0.10 .015 .0065

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/22/17

MB Metal RL IDL MDL raw final

Zirconium 0.050 .001 .0045

Associated samples MP171: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/22/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 2.1 2.0 105.0 80-120

Barium 1.9 2.0 95.0 80-120

Beryllium

Bismuth

Boron

Cadmium 2.1 2.0 105.0 80-120

Calcium

Chromium 2.1 2.0 105.0 80-120

Cobalt

Copper

Iron

Lead 2.1 2.0 105.0 80-120

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 2.1 2.0 105.0 80-120

Silicon

Silver 0.26 0.25 104.0 80-120

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

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1010.3.2

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/22/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Zirconium

Associated samples MP171: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/22/17

JC41377-1 QC Metal Original SDL 5:25 %DIF Limits

Aluminum

Antimony

Arsenic 0.00 0.00 NC 0-10

Barium 11.0 11.8 7.3 0-10

Beryllium

Bismuth

Boron

Cadmium 0.00 0.00 NC 0-10

Calcium

Chromium 4.70 11.9 153.2(a) 0-10

Cobalt

Copper

Iron

Lead 10.0 0.00 100.0(a) 0-10

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 0.00 0.00 NC 0-10

Silicon

Silver 0.00 0.00 NC 0-10

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

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1010.3.3

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP171 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/22/17

JC41377-1 QC Metal Original SDL 5:25 %DIF Limits

Zirconium

Associated samples MP171: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

_________________________________________________________________________________________________________

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP181 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MB Metal RL IDL MDL raw final

Mercury 0.033 .0018 .0053 0.0073 <0.033

Associated samples MP181: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16,MC50199-17, MC50199-18, MC50199-19, MC50199-20

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.4.1

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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP181 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MC50199-1 Spikelot QC Metal Original MS HGPWS1 % Rec Limits

Mercury 0.88 1.2 0.365 87.7 80-120

Associated samples MP181: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16,MC50199-17, MC50199-18, MC50199-19, MC50199-20

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.4.2

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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP181 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MC50199-1 Spikelot MSD QC Metal Original MSD HGPWS1 % Rec RPD Limit

Mercury 0.88 1.2 0.357 89.6 0.0 20

Associated samples MP181: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16,MC50199-17, MC50199-18, MC50199-19, MC50199-20

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP181 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17 04/24/17

BSP Spikelot QC LCS Spikelot QC Metal Result HGPWS1 % Rec Limits Result HGLCS54085% Rec Limits

Mercury 0.33 0.333 99.1 80-120 8.6 8.37 102.7 73-128

Associated samples MP181: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16,MC50199-17, MC50199-18, MC50199-19, MC50199-20

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.4.3

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP181 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

LCS Spikelot QC Metal Result HGLCS54085% Rec Limits

Mercury 8.6 8.37 102.7 73-128

Associated samples MP181: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7,MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16,MC50199-17, MC50199-18, MC50199-19, MC50199-20

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.4.3

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP182 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MB Metal RL IDL MDL raw final

Mercury 0.033 .0018 .0053 -0.0022 <0.033

Associated samples MP182: MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

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1010.5.1

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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP182 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MC50199-21 Spikelot QC Metal Original MS HGPWS1 % Rec Limits

Mercury 0.49 0.88 0.336 116.2 80-120

Associated samples MP182: MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

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1010.5.2

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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP182 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

MC50199-21 Spikelot MSD QC Metal Original MSD HGPWS1 % Rec RPD Limit

Mercury 0.49 0.92 0.342 125.9N(a 4.4 20

Associated samples MP182: MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested(a) Spike recovery indicates possible matrix interference.

_________________________________________________________________________________________________________

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP182 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17 04/24/17

BSP Spikelot QC LCS Spikelot QC Metal Result HGPWS1 % Rec Limits Result HGLCS54085% Rec Limits

Mercury 0.33 0.333 99.1 80-120 9.5 8.37 113.5 73-128

Associated samples MP182: MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

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1010.5.3

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SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP182 Methods: SW846 7471B Matrix Type: SOLID Units: mg/kg

Prep Date: 04/24/17

LCS Spikelot QC Metal Result HGLCS54085% Rec Limits

Mercury 8.7 8.37 103.9 73-128

Associated samples MP182: MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-26,MC50199-27, MC50199-28, MC50199-29

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP187 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17 04/24/17

MB MB Metal RL IDL MDL raw final raw final

Mercury 0.00020 .000058 .000047 0.000028 <0.00020 0.000021 <0.00020

Associated samples MP187: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.6.1

Page 618: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP187 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17 04/24/17

BSP Spikelot QC BSD Spikelot BSD QC Metal Result HGPW3 % Rec Limits Result HGPW3 % Rec RPD Limit

Mercury 0.0019 0.0020 95.0 80-120 0.0017 0.0020 85.0 11.1

Associated samples MP187: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.6.2

Page 619: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP187 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

BSP Spikelot QC Metal Result HGPW3 % Rec Limits

Mercury 0.0019 0.0020 95.0 80-120

Associated samples MP187: MC50199-1A, MC50199-2A, MC50199-3A, MC50199-4A, MC50199-5A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.6.2

Page 620: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MB Metal RL IDL MDL raw final

Aluminum 1.0 .051 .1

Antimony 0.50 .006 .017

Arsenic 0.50 .0065 .011 -0.0010 <0.50

Barium 1.0 .001 .002 0.0023 <1.0

Beryllium 0.025 .00025 .0015

Bismuth 0.10 .009 .015

Boron 0.50 .006 .02

Cadmium 0.025 .0015 .002 0.0018 <0.025

Calcium 10 .068 .17

Chromium 0.050 .003 .004 -0.00070 <0.050

Cobalt 0.25 .0015 .0035

Copper 0.050 .0035 .012

Iron 0.50 .018 .062

Lead 0.50 .0055 .012 0.0027 <0.50

Lithium 0.10 .007 .02

Magnesium 10 .094 .42

Manganese 0.075 .0005 .002

Molybdenum 0.10 .0025 .0045

Nickel 0.050 .003 .004

Palladium 0.25 .011 .019

Potassium 10 .11 .58

Selenium 0.50 .018 .021 0.0068 <0.50

Silicon 1.0 .008 .14

Silver 0.050 .0045 .0045 -0.0015 <0.050

Sodium 10 .058 .12

Strontium 0.050 .0005 .001

Sulfur 0.25 .019 .035

Thallium 0.50 .008 .0095

Tin 0.050 .0035 .012

Titanium 0.050 .0035 .005

Tungsten 0.25 .0045 .016

Vanadium 0.25 .0025 .0035

Zinc 0.10 .009 .0065

_________________________________________________________________________________________________________

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1010.7.1

Page 621: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MB Metal RL IDL MDL raw final

Zirconium 0.050 .0015 .0045

Associated samples MP193: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.7.1

Page 622: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot QC Metal Original MS MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 0.0 1.9 2.0 95.0 75-125

Barium 0.081 2.0 2.0 96.0 75-125

Beryllium

Bismuth

Boron

Cadmium 0.0 1.9 2.0 95.0 75-125

Calcium

Chromium 0.0 2.0 2.0 100.0 75-125

Cobalt

Copper

Iron

Lead 0.024 2.0 2.0 98.8 75-125

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 0.0 2.0 2.0 100.0 75-125

Silicon

Silver 0.0 0.24 0.25 96.0 75-125

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

Page 1

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MC50199

1010.7.2

Page 623: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot QC Metal Original MS MPSPK2 % Rec Limits

Zirconium

Associated samples MP193: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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1010.7.2

Page 624: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot MSD QC Metal Original MSD MPSPK2 % Rec RPD Limit

Aluminum

Antimony

Arsenic 0.0 1.9 2.0 95.0 0.0 20

Barium 0.081 2.0 2.0 96.0 0.0 20

Beryllium

Bismuth

Boron

Cadmium 0.0 1.9 2.0 95.0 0.0 20

Calcium

Chromium 0.0 2.0 2.0 100.0 0.0 20

Cobalt

Copper

Iron

Lead 0.024 2.0 2.0 98.8 0.0 20

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 0.0 2.0 2.0 100.0 0.0 20

Silicon

Silver 0.0 0.24 0.25 96.0 0.0 20

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

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1010.7.2

Page 625: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot MSD QC Metal Original MSD MPSPK2 % Rec RPD Limit

Zirconium

Associated samples MP193: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.7.2

Page 626: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 1.9 2.0 95.0 80-120

Barium 1.9 2.0 95.0 80-120

Beryllium

Bismuth

Boron

Cadmium 1.9 2.0 95.0 80-120

Calcium

Chromium 2.0 2.0 100.0 80-120

Cobalt

Copper

Iron

Lead 2.0 2.0 100.0 80-120

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 2.0 2.0 100.0 80-120

Silicon

Silver 0.23 0.25 92.0 80-120

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

Page 1

541 of 566

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1010.7.3

Page 627: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Zirconium

Associated samples MP193: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.7.3

Page 628: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/24/17

MC50199-6A QC Metal Original SDL 5:25 %DIF Limits

Aluminum

Antimony

Arsenic 0.00 0.00 NC 0-10

Barium 80.9 80.9 0.0 0-10

Beryllium

Bismuth

Boron

Cadmium 0.00 0.00 NC 0-10

Calcium

Chromium 0.00 0.00 NC 0-10

Cobalt

Copper

Iron

Lead 24.3 34.6 42.4 (a) 0-10

Lithium

Magnesium

Manganese

Molybdenum

Nickel

Palladium

Potassium

Selenium 0.00 0.00 NC 0-10

Silicon

Silver 0.00 0.00 NC 0-10

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc

_________________________________________________________________________________________________________

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1010.7.4

Page 629: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP193 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/24/17

MC50199-6A QC Metal Original SDL 5:25 %DIF Limits

Zirconium

Associated samples MP193: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

_________________________________________________________________________________________________________

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1010.7.4

Page 630: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP204 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MB Metal RL IDL MDL raw final

Mercury 0.00020 .000058 .000047 0.000020 <0.00020

Associated samples MP204: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

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1010.8.1

Page 631: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP204 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot QC Metal Original MS HGPW3 % Rec Limits

Mercury 0.0 0.0019 0.0020 95.0 75-125

Associated samples MP204: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

546 of 566

MC50199

1010.8.2

Page 632: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP204 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17

MC50199-6A Spikelot MSD QC Metal Original MSD HGPW3 % Rec RPD Limit

Mercury 0.0 0.0019 0.0020 95.0 0.0 20

Associated samples MP204: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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1010.8.2

Page 633: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP204 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/24/17 04/24/17

BSP Spikelot QC BSD Spikelot BSD QC Metal Result HGPW3 % Rec Limits Result HGPW3 % Rec RPD Limit

Mercury 0.0019 0.0020 95.0 80-120 0.0019 0.0020 95.0 0.0

Associated samples MP204: MC50199-6A, MC50199-7A, MC50199-8A, MC50199-9A, MC50199-10A, MC50199-11A,MC50199-12A, MC50199-13A, MC50199-14A, MC50199-15A, MC50199-16A, MC50199-17A, MC50199-18A, MC50199-19A,MC50199-20A, MC50199-21A, MC50199-22A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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1010.8.3

Page 634: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP247 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MB Metal RL IDL MDL raw final

Mercury 0.00020 .000012 .000047 0.000044 <0.00020

Associated samples MP247: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

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1010.9.1

Page 635: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP247 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot QC Metal Original MS HGPW3 % Rec Limits

Mercury 0.0 0.0018 0.0020 90.0 75-125

Associated samples MP247: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

550 of 566

MC50199

1010.9.2

Page 636: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP247 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot MSD QC Metal Original MSD HGPW3 % Rec RPD Limit

Mercury 0.0 0.0019 0.0020 95.0 5.4 20

Associated samples MP247: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 2

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1010.9.2

Page 637: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP247 Methods: SW846 7470A Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17 04/26/17

BSP Spikelot QC BSD Spikelot BSD QC Metal Result HGPW3 % Rec Limits Result HGPW3 % Rec RPD Limit

Mercury 0.0020 0.0020 100.0 80-120 0.0019 0.0020 95.0 5.1

Associated samples MP247: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

Page 1

552 of 566

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1010.9.3

Page 638: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MB Metal RL IDL MDL raw final

Aluminum 1.0 .096 .1

Antimony 0.50 .013 .017

Arsenic 0.50 .01 .011 0.0040 <0.50

Barium 1.0 .0035 .002 0.0041 <1.0

Beryllium 0.025 .0005 .0015

Bismuth 0.10 .02 .015

Boron 0.50 .009 .02

Cadmium 0.025 .0025 .002 -0.0013 <0.025

Calcium 10 .077 .17

Chromium 0.050 .0035 .004 0.0011 <0.050

Cobalt 0.25 .003 .0035

Copper 0.050 .007 .012

Iron 0.50 .024 .062

Lead 0.50 .012 .012 0.0072 <0.50

Lithium 0.10 .019 .02

Magnesium 10 .14 .42

Manganese 0.075 .001 .002

Molybdenum 0.10 .003 .0045

Nickel 0.050 .004 .004

Palladium 0.25 .021 .019

Potassium 10 .46 .58

Selenium 0.50 .01 .021 -0.011 <0.50

Silicon 1.0 .009 .14

Silver 0.050 .005 .0045 -0.0019 <0.050

Sodium 10 .14 .12

Strontium 0.050 .001 .001

Sulfur 0.25 .012 .035

Thallium 0.50 .009 .0095

Tin 0.050 .006 .012

Titanium 0.050 .005 .005

Tungsten 0.25 .014 .016

Vanadium 0.25 .005 .0035

Zinc 0.10 .0065 .0065

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Page 639: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

BLANK RESULTS SUMMARY Part 2 - Method Blanks

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MB Metal RL IDL MDL raw final

Zirconium 0.050 .0025 .0045

Associated samples MP255: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot QC Metal Original MS MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 0.0 2.1 2.0 105.0 75-125

Barium 0.32 2.4 2.0 104.0 75-125

Beryllium

Bismuth

Boron

Cadmium 0.0 2.0 2.0 100.0 75-125

Calcium

Chromium 0.0 2.1 2.0 105.0 75-125

Cobalt

Copper anr

Iron

Lead 0.014 2.1 2.0 104.3 75-125

Lithium

Magnesium

Manganese

Molybdenum

Nickel anr

Palladium

Potassium

Selenium 0.0 2.0 2.0 100.0 75-125

Silicon

Silver 0.0 0.26 0.25 104.0 75-125

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc anr

_________________________________________________________________________________________________________

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1010.10.2

Page 641: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot QC Metal Original MS MPSPK2 % Rec Limits

Zirconium

Associated samples MP255: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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Page 642: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot MSD QC Metal Original MSD MPSPK2 % Rec RPD Limit

Aluminum

Antimony

Arsenic 0.0 2.0 2.0 100.0 4.9 20

Barium 0.32 2.4 2.0 104.0 0.0 20

Beryllium

Bismuth

Boron

Cadmium 0.0 2.0 2.0 100.0 0.0 20

Calcium

Chromium 0.0 2.1 2.0 105.0 0.0 20

Cobalt

Copper anr

Iron

Lead 0.014 2.1 2.0 104.3 0.0 20

Lithium

Magnesium

Manganese

Molybdenum

Nickel anr

Palladium

Potassium

Selenium 0.0 1.9 2.0 95.0 5.1 20

Silicon

Silver 0.0 0.25 0.25 100.0 3.9 20

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc anr

_________________________________________________________________________________________________________

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Page 643: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE AND DUPLICATE RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

MC50199-23A Spikelot MSD QC Metal Original MSD MPSPK2 % Rec RPD Limit

Zirconium

Associated samples MP255: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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Page 644: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Aluminum

Antimony

Arsenic 2.0 2.0 100.0 80-120

Barium 2.0 2.0 100.0 80-120

Beryllium

Bismuth

Boron

Cadmium 2.0 2.0 100.0 80-120

Calcium

Chromium 2.1 2.0 105.0 80-120

Cobalt

Copper anr

Iron

Lead 2.0 2.0 100.0 80-120

Lithium

Magnesium

Manganese

Molybdenum

Nickel anr

Palladium

Potassium

Selenium 1.9 2.0 95.0 80-120

Silicon

Silver 0.25 0.25 100.0 80-120

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc anr

_________________________________________________________________________________________________________

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1010.10.3

Page 645: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SPIKE BLANK AND LAB CONTROL SAMPLE SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: mg/l

Prep Date: 04/26/17

BSP Spikelot QC Metal Result MPSPK2 % Rec Limits

Zirconium

Associated samples MP255: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested

_________________________________________________________________________________________________________

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SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/26/17

MC50199-23A QC Metal Original SDL 5:25 %DIF Limits

Aluminum

Antimony

Arsenic 0.00 0.00 NC 0-10

Barium 322 343 6.7 0-10

Beryllium

Bismuth

Boron

Cadmium 0.00 0.00 NC 0-10

Calcium

Chromium 0.00 0.00 NC 0-10

Cobalt

Copper anr

Iron

Lead 13.7 0.00 100.0(a) 0-10

Lithium

Magnesium

Manganese

Molybdenum

Nickel anr

Palladium

Potassium

Selenium 0.00 0.00 NC 0-10

Silicon

Silver 0.00 0.00 NC 0-10

Sodium

Strontium

Sulfur

Thallium

Tin

Titanium

Tungsten

Vanadium

Zinc anr

_________________________________________________________________________________________________________

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1010.10.4

Page 647: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SERIAL DILUTION RESULTS SUMMARY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Batch ID: MP255 Methods: SW846 6010C Matrix Type: LEACHATE Units: ug/l

Prep Date: 04/26/17

MC50199-23A QC Metal Original SDL 5:25 %DIF Limits

Zirconium

Associated samples MP255: MC50199-23A, MC50199-24A, MC50199-25A, MC50199-26A, MC50199-27A, MC50199-28A,MC50199-29A

Results < IDL are shown as zero for calculation purposes(*) Outside of QC limits(anr) Analyte not requested(a) Percent difference acceptable due to low initial sample concentration (< 50 times IDL).

_________________________________________________________________________________________________________

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Page 648: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

SGS Accutest

General Chemistry

QC Data Summaries

(SGS Accutest New Jersey)

Includes the following where applicable:

• Method Blank and Blank Spike Summaries• Duplicate Summaries• Matrix Spike Summaries

New EnglandSection 11

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METHOD BLANK AND SPIKE RESULTS SUMMARY GENERAL CHEMISTRY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

MB Spike BSP BSP QC Analyte Batch ID RL Result Units Amount Result %Recov Limits

Total Organic Carbon GP4655/GN63042 1000 0.00 mg/kg 20000 21000 105.0 80-120% Total Organic Carbon GP4655/GN63149 1000 0.00 mg/kg 20000 21400 107.0 80-120% Total Organic Carbon GP4655/GN63183 1000 0.00 mg/kg 20000 20900 104.5 80-120% Total Organic Carbon GP4922/GN63183 1000 0.00 mg/kg 20000 20900 104.5 80-120%

Associated Samples: Batch GP4655: MC50199-1, MC50199-2, MC50199-3, MC50199-4, MC50199-5, MC50199-6, MC50199-7, MC50199-8, MC50199-9, MC50199-10, MC50199-11, MC50199-12, MC50199-13, MC50199-14, MC50199-15, MC50199-16, MC50199-17Batch GP4922: MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-29(*) Outside of QC limits

__________________________________________________________________________________________________________________________

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DUPLICATE RESULTS SUMMARY GENERAL CHEMISTRY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Original DUP QC Analyte Batch ID Sample Units Result Result RPD Limits

Total Organic Carbon GP4922/GN63183 MC50199-19 mg/kg 71300 75900 12.2 0-36%

Associated Samples: Batch GP4922: MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-29(*) Outside of QC limits

__________________________________________________________________________________________________________________________

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1111.2

Page 651: TASK 210 – SUBSURFACE SITE INVESTIGATION … Polynuclear Aromatic Hydrocarbons (PAHs) by EPA Method 8270; ... The results of the PID screening ranged from 0.0 to 16 ppm and are provided

MATRIX SPIKE RESULTS SUMMARY GENERAL CHEMISTRY

Login Number: MC50199 Account: ALNE - SGS Accutest New England

Project: BLCTM: Yankee Doodle Bridge, Hendricks Avenue, Norwalk, CT

QC Original Spike MS QC Analyte Batch ID Sample Units Result Amount Result %Rec Limits

Total Organic Carbon GP4922/GN63183 MC50199-19 mg/kg 71300 207000 187000 57.7 52-127%

Associated Samples: Batch GP4922: MC50199-18, MC50199-19, MC50199-20, MC50199-21, MC50199-22, MC50199-23, MC50199-24, MC50199-25, MC50199-29(*) Outside of QC limits(N) Matrix Spike Rec. outside of QC limits

__________________________________________________________________________________________________________________________

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