soil management plan - VermontSoil Management Plan Bobbin Mill Project, Burlington, VT Revised May...

SOIL MANAGEMENT PLAN

BOBBIN MILL PROJECT

234 SOUTH CHAMPLAIN AND

235 PINE STREET BURLINGTON, VERMONT

KAS Project #504130298

Revised May 29, 2013

Prepared for

Bobbin Mill Limited Partnership 123 St. Paul Street

Burlington, Vermont 05401

Prepared by

368 Avenue D Suite 15 P.O. Box 787 Williston, VT 05495 802-383-0486 Fax 802-383-0490

www.kas-consulting.com

Soil Management Plan Bobbin Mill Project, Burlington, VT

Revised May 29, 2013 KAS #504130298 i

Table of Contents

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

2.0 SOIL MANAGEMENT PLAN ................................................................................ 1

3.0 PERMITTING, APPROVALS, REPORTING ......................................................... 3

4.0 INSTITUTIONAL CONTROLS .............................................................................. 4

FIGURES AND ATTACHMENTS Figure 1: Soil Management Design Drawing Draft Notice to Land Records Soil Contaminant Data Laboratory Analytical Report

Revised May 29, 2013 KAS #504130298 1

1.0 INTRODUCTION This document is a soil management plan to be implemented during the redevelopment of the Bobbin Mill property, located at 234 South Champlain and 235 Pine Streets in Burlington, Vermont. This plan was prepared for the Bobbin Mill Limited Partnership by KAS, Inc. (KAS) according to KAS’ proposal dated May 7, 2013. The property was historically used as a Marble Factory beginning in the late 1800s. It was then used as a bobbin factory from the early 1900s until the 1970s. Lumber storage and finishing also occurred on the property during that time. The historic stone mill building was converted to multi-family housing in the early 1980s and the structure on Pine Street was constructed at that time. The property is currently used to house two multi-unit residential housing structures. The property is scheduled to receive interior upgrades, utility upgrades, and a new community building in the courtyard area. Work is scheduled to begin in August 2013. A Phase II Environmental Site Assessment1 completed May 1, 2013 revealed the presence of concentrations of polycyclic aromatic hydrocarbons (PAHs) and arsenic above the SSVs for a residential site in shallow soils across the site. The concentrations appear to be within the range of PAH and arsenic concentrations seen at similar urban properties in Burlington. Low levels of volatile organic contaminants (VOCs) below regulatory standards were noted in one soil boring in the courtyard area. Data tables and a laboratory analytical report attached to this document indicate the concentrations detected on the Site. Soil management is needed at the Site given the concentrations of PAHs and arsenic in the soil which exceeded the residential SSVs. This Soil Management Plan conveys a remedial strategy to create a built environment that minimizes public health risk. The strategy is based on the concept of isolating the contaminated soils from human exposure using clean fill caps, disposal of contaminated soils, and redirecting site users using landscape barriers. 2.0 SOIL MANAGEMENT PLAN The options for soil management at the Bobbin Mill property include on site management and off site disposal. The principal contamination of concern (PAH and arsenic) is not amenable to commonly used forms of treatment either in situ or ex situ. Therefore, it must be assumed that the levels of contamination detected in the soils during previous studies will remain the same in perpetuity. The soil management plan will adequately protect on site construction workers, utility workers and site users from exposure. The plan will be implemented at the time of construction and will remain in place in perpetuity. A Notice to the Land Record will be filed by the owner alerting future property owners to the presence of soil caps and contaminated soils. This plan will rely on beneficial re-use of the excavated soils as fill in strategic locations wherever possible to decrease the amount of soils disposed of off-site. Overview of Proposed Construction A Soil Management Design Drawing has been generated and is included as an attachment to

1 KAS, Inc, Phase II Environmental Site Assessment, Bobbin Mill Apartments, May 1, 2013.

Revised May 29, 2013 KAS #504130298 2

this document. Some excess soil will be generated during the redevelopment of the property, due to a new building foundation, utility installation, new and repaired sidewalks, stormwater ponds and the planting of shrubs and trees. Existing soils will be backfilled wherever possible, assuming the material is structural suitable. Contaminated soils will be disposed of by Casella at their landfill in Coventry, Vermont, known as Waste USA. Bills of lading will be obtained from each shipment to track the disposal quantities. Some soils may be stockpiled on-site for a short period of time to expedite their removal from the property. Contaminated soils will be characterized to meet disposal requirements. Excavators working on the Site will be 40 hour HAZWOPER trained and will be instructed to look for obvious changes in soil conditions that may indicate new contamination conditions. Additionally, a soil cap will be installed throughout most of site by placing a clean 8” soil cap and filter fabric on the existing soils. The areas around trees will be built up with clean soil, mulch, and a tree well so the trees can be preserved. Areas around the Mill building will be converted to mulch beds with perennials. A small strip of lawn around the southern portion of the property will receive large landscape rocks to discourage access. The remainder of the site will remain under pavement, sidewalks, or building footprints and will be isolated from contact. The project will be built in phases to accommodate the construction phasing. A table indicating the estimated amounts of cut/fill materials in the capped areas is included below. These quantities do not include additional soil that will need to be disposed of if it is deemed unsuitable for backfill under sidewalks, in trenches, and near building foundations. KAS has estimated approximately 1,000 cubic yards of soil may need to be transported and disposed of off-site due to site redevelopment. The location numbers below correspond to the drawing located in the attachments.

Table1: Cut/Fill Quantities by Location

Location Cut – 8” contaminated

soil (CY)

Fill - onsite contaminated

soil (CY)

Fill - 8” clean soil for cap

system (CY)

Net fill (CY)

1 34 0 41 7 2 92 0 92 0 3 0 0 75 75 4 33 0 40 7 5 67 0 85 18 6 0 490 722 1,212 7 10 0 10 0 8 4 0 4 0 9 26 0 26 0 10 5 0 5 0 11 35 0 42 7 12 13 0 13 0 13 13 0 13 0 14 10 0 10 0 15 35 0 42 7

Notes: CY = Cubic Yards

Materials generated during asphalt reclamation will be reused on-site to the extent possible. Reclamation materials shall be handled and disposed of according to standard industry

Revised May 29, 2013 KAS #504130298 3

practices. Soil Excavation Excavation of contaminated soil must be conducted by personnel trained to work on hazardous sites per Vermont Occupational Safety and Health Administration (VOSHA). Proper monitoring procedures and personal protection equipment requirements will be delineated in the contractor’s Health and Safety Plan (HASP). The dominant contamination at the property does not generally exhibit visual or other field detectable evidence of contamination and hence, all on site soils will be presumed to be contaminated and subject to special handling and protection. If notable changes in the condition of the soils are noted during excavation (for example, visual indications of staining, free product, unusual odors etc), the owner and environmental consultant will be consulted for advice on proceeding. All equipment used during excavation of contaminated soils should be properly decontaminated before using the equipment for other on site uses, or before removing the equipment from the property. Efforts to eliminate tracking contaminated soils onto area roadways via vehicle treads should be implemented. Soil Stockpiling Requirements It is not anticipated that soils will need to be temporarily stockpiled for significant lengths of time. Should soils need to be temporarily stockpiled, they shall be covered with minimum 6 mil plastic sheeting which shall be weighted sufficiently to keep the plastic in place. Sufficient berms and other runoff control measures will be employed to control stormwater runoff and consequent sediment transport that can take place. Temporary fencing shall be installed to protect the site users from coming into contact with the stockpile. Since these structures will be temporary and configuration will be subject to very site specific circumstances, specific designs are not being advanced at this time but will be discussed with the contractor at the time of construction. Dust Control Contractor will control dust at all times during the construction and excavation work. Sufficient water and/or dust reducing agents shall be employed to minimize visible dust during and following excavation. Health and Safety Contractor will be required to obtain and implement a HASP pursuant to OSHA 1910.120 for work on hazardous waste sites. Appropriate personal protective equipment and monitoring equipment including dust monitoring shall be provided during the work. 3.0 PERMITTING, APPROVALS, REPORTING Approvals and permits are required before excavation, transport and disposal can take place. Follow up reporting will be needed to document that the soils were managed appropriately. Soil Management Plan KAS has prepared this Soil Management Plan for review and approval by the Bobbin Mill Limited Partnership and the VTDEC (Vermont Department of Environmental Conservation). It is anticipated that the plan will be approved in sufficient time to allow for construction in August 2013.

Revised May 29, 2013 KAS #504130298 4

Permits/ Notifications Following is a summary of the required permits and associated submittal requirements for the referenced project. KAS, Inc. is providing all materials required for submittal of permit applications. Permit application fees and attendance at public hearings is the responsibility of the owner. 1) Soil Management Plan: by owner Regulatory Agency: VTDEC Waste Management Division Permit Required: Approval of the Soil Management Plan and proposed construction 2) Dig Safe: by contractor

Pursuant to Vermont State Statutes, the excavation area must be pre-marked and a Dig Safe notification made. Premarking must take place a minimum of two business days before excavation is scheduled to begin. Dig-safe will issue an authorization number which is good for 30 days from the date of issuance. In addition, it is highly recommended to work closely with the City of Burlington Public Works Department so that existing subsurface utilities owned by the City can be marked and protected.

Health and Safety Plan (HASP) Excavation activities must be conducted by personnel with hazardous sites training as prescribed by OSHA 1910.120. The excavation contractor must possess training certificates as well as required annual update certificates for all personnel involved with the excavation activities. A site-specific HASP must be prepared and implemented to govern the safety aspects of the subsurface investigation in accordance with the VOSHA requirements. A copy of the HASP must be kept on site and made available to other parties at any time requested. Final Reporting A final construction report must be completed upon termination of the construction and will be prepared by KAS in conjunction with the contractor. The report should include the following points: Documentation of all required approvals; Dates of excavation; Quantities of soils reused on site, capped, and disposed of; Locations of soil caps.

The report must be filed with the DEC in order to receive a Sites Management Activity Complete (SMAC) letter. 4.0 INSTITUTIONAL CONTROLS A draft Notice to the City of Burlington land records is attached. This document requires that the VTDEC be notified by anyone conducting future surface or subsurface soil disruption or excavation or groundwater extraction in the vicinity. The as-built plan showing the locations of soil caps and contaminated areas will be part of the Notice to Land Records.

Revised May 29, 2013 KAS #504130298 5

FIGURES AND ATTACHMENTS

Figure 1: Soil Management Design Drawing Draft Notice to Land Record

Soil Contaminant Data Laboratory Analytical Report

SOIL CAP AREACUT

(CONTAMINATED SOIL) CY

FILL (ONSITE CONTAMINATED SOIL)

FILL (CLEAN SOIL FOR CAP SYSTEM)

NET FILL CY

1 34 0 41 72 92 0 92 03 0 0 75 754 33 0 40 75 67 0 85 186 0 490 722 12127 10 0 10 08 4 0 4 09 26 0 26 010 5 0 5 011 35 0 42 712 13 0 13 013 13 0 13 014 10 0 10 015 35 0 42 7

NOTICE

The date of this Notice is ____________, 2013. It is made by the Bobbin Mill Limited Partnership (the “Owner”).

Recitals

A. The Owner is the owner of lands and premises at 234 South Champlain and 235 Pine Street in Burlington, Vermont, more particularly described as follows:

Being all and the same lands and premises conveyed to the Owner pursuant to a warranty deed, dated December 18, 2012, from the Bobbin Mill Company, recorded in Volume 1,200, Page 386 of the Land Records of the City of Burlington. Reference is hereby made to the above-mentioned instruments, the record thereof, the references therein made, and their respective records and references, in further aid of this description (the “Property”).

B. The Property is listed as the State of Vermont Site “SMS #2013-4377.” C. This Notice is required to be recorded in the Land Records of the City of Burlington pursuant to the terms of the Soil Management Plan, dated May 2013 (the “Plan”). Terms and Provisions

In order to provide a public record of the past contamination of the Property and the remediation thereof pursuant to the Plan, the Owner makes the following notice:

Due to the presence of residual contamination, any person having an interest in the Property, including as owner or tenant, may examine the files of the Vermont Agency of Natural Resources (ANR) with respect to the Plan at the following address:

Sites Management Section Department of Environmental Conservation

Agency of Natural Resources 1 National Life Drive - Davis 1

Montpelier, VT 05620-3704 802 241-3888

Any person having an interest as defined above should undertake any precautions recommended by the Sites Management Section, further described as follows. Soils on the Site contain concentrations of contaminants above regulatory standards as delineated on the attached Map. Contamination remains beneath a soil and synthetic membrane cap that was installed to minimize the potential for human contact with contaminated soil. Additionally, landscape features were utilized to act as barriers. The ANR must be notified at the address listed above at least 120 days in advance of any planned restricted activities and uses so that appropriate preventative measures can be developed and implemented. This activity and use limitation pertains only to activities and uses that may occur within the area delineated on the attached Map, and not to other portions of the Site, and regardless of the status

of listing. Generally, activities and uses which could result in human exposure to contamination at the Site include, but are not necessarily limited to, the following: • Excavation, digging, boring or drilling. • Well installation, whether by drilling, boring or driving. • Construction of structures, especially those with basements. • Cultivation of vegetation for consumption by humans or animals. These activities, if proposed for the property, must be performed in strict accordance with applicable federal and state laws regarding exposure to contamination, treatment, storage and disposal of waste materials, and occupational health and safety requirements, and only following written approval of the ANR. If during the performance of these activities the soil and synthetic cap is disturbed, it must be repaired in accordance with original design specifications unless specifically amended by the ANR. Any such person should undertake any precautions recommended by the Sites Management Section. Bobbin Mill Limited Partnership By: ___________________________________ Its Authorized Agent

KAS # 508110219

Soil Sample SB-1 SB-2 SB-3 SB-4 SB-5 SB-6 IROCP IROCP VDHSample Depth (ft.) 0-2' 0-2' 0-2' 0-2' 0-2' 0-2' SSV SSV ValuesPID reading (ppm) 0.0 0.0 0.8 0.6 0.2 0.1 Residential IndustrialSample Date 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13VOCs, EPA Method 8260b (mg/kg)Benzene ND<0.027 ND<0.019 0.432 ND<0.028 ND<0.056 ND<0.026 1.1 5.4 6.24Toluene ND<0.027 ND<0.019 0.417 ND<0.028 ND<0.056 ND<0.026 5000 45000 NAEthylbenzene ND<0.027 ND<0.019 0.891 ND<0.028 ND<0.056 ND<0.026 5.4 27 NAXylenes (total) ND<0.054 ND<0.38 0.403 ND<0.028 ND<0.056 ND<0.026 7200 36000 NAMTBE ND<0.054 ND<0.38 ND<0.068 ND<0.056 ND<0.112 ND<0.052 43 220 NA1,3,5-trimethylbenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 780 10000 NA1,2,4-trimethylbenzene ND<0.027 ND<0.019 0.0677 ND<0.028 ND<0.056 ND<0.026 62 260 NANaphthalene ND<0.054 ND<0.38 0.141 ND<0.056 ND<0.112 ND<0.052 3.6 18 1070IsoPropylbenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 NA NA NAn-Propylbenzene ND<0.027 ND<0.019 0.0442 ND<0.028 ND<0.056 ND<0.026 NA NA NAtert-Butylbenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 NA NA NAsec-Butylbenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 NA NA NAp-Isopropyltoluene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 NA NA NA1,4-Dichlorobenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 2.4 12 NA1,2-Dichlorobenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 1900 9800 NAn-Butylbenzene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 NA NA NATetrachloroethene (PCE) ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 0.55 2.6 NATrichloroethene (TCE) ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 2.8 14 NA1,1-Dichloroethane ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 3.3 17 NAcis-1,2-Dichloroethene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 780 10000 673trans-1,2-Dichloroethene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 150 690 1351,2,3-Trichloropropane ND<0.054 ND<0.38 ND<0.068 ND<0.056 ND<0.112 ND<0.052 0.005 0.095 NAChloroform ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 0.29 1.5 NAStyrene ND<0.027 ND<0.019 ND<0.034 ND<0.028 ND<0.056 ND<0.026 6300 36000 NAVinyl Chloride ND<0.054 ND<0.38 ND<0.068 ND<0.056 ND<0.112 ND<0.052 0.06 1.7 NATotal Reported VOCs ND ND 2.396 ND ND ND - - -NOTES: All values reported in mg/kg, dry, unless otherwise indicated.IROCP = April 2012 Investigation and Remediation of Contaminated Properties document.SSV= Soil Screening Values from Appendix A of the IROCPND<xx = Not Detected< Detection LimitReported concentrations above the residential SSV are shaded.NA = No IRCOCP SSV available VDH = Vermont Department of Health Soil Screening Values

Soil Sampling Data Summary

of 3Burlington, Vermont

Bobbin Mill

KAS # 508110219

Soil Sample SB-1 SB-2 SB-3 SB-4 SB-5 SB-6 IROCP IROCP VDHSample Depth (ft.) 0-2' 0-2' 0-2' 0-2' 0-2' 0-2' SSV SSV ValuesPID reading (ppm) 0.0 0.0 0.8 0.6 0.2 0.1 Residential IndustrialSample Date 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13PAHs, EPA Method 8270 (mg/kg)Acenaphthene 0.240 ND<0.035 0.123 0.340 0.146 ND<0.039 3400 33000 NAAcenaphthylene 0.0911 ND<0.035 0.109 0.069 0.0691 ND<0.039 NA NA NAAnthracene 0.672 ND<0.035 0.418 0.685 0.392 ND<0.039 17000 170000 NABenzo(a)anthracene 2.310 0.0583 1.480 1.080 1.460 ND<0.039 0.15 2.1 NABenzo(b)fluoranthene 2.570 0.0795 2.010 1.040 1.980 ND<0.039 0.15 2.1 NABenzo(k)fluoranthene 1.010 ND<0.035 0.755 0.440 0.715 ND<0.039 1.5 21 NABenzo(a)pyrene 2.100 0.059 1.480 0.857 1.430 ND<0.039 0.015 0.21 0.01Benzo(g,h,i)perylene 1.310 0.0471 0.925 0.453 0.851 ND<0.039 NA NA NAChrysene 2.410 0.074 1.630 1.140 1.630 ND<0.039 15 210 NADibenzo(a,h)anthracene 0.275 ND<0.035 0.214 0.111 0.194 ND<0.039 0.015 0.21 NAFluoranthene 5.180 0.113 2.850 2.720 3.440 ND<0.039 2300 22000 NAFluorene 0.236 ND<0.035 0.149 0.388 0.155 ND<0.039 2300 22000 NAIndeno(1,2,3-cd)pyrene 1.690 0.059 1.110 0.581 1.040 ND<0.039 0.15 2.1 NA1-Methylnaphthalene 0.0627 ND<0.035 0.0833 0.131 0.0760 ND<0.039 22 99 NA2-Methylnaphthalene 0.572 ND<0.035 0.0813 0.163 0.0658 ND<0.039 310 4100 NANaphthalene 0.738 ND<0.035 0.102 0.289 0.0707 ND<0.039 3.6 18 1070Phenanthrene 3.330 0.0628 1.880 3.010 2.160 ND<0.039 NA NA NAPyrene 4.580 0.109 2.560 2.140 2.860 ND<0.039 1700 17000 NATotal Reported PAHs 29.38 0.662 17.96 15.64 18.73 ND - - -NOTES: All values reported in mg/kg, dry, unless otherwise indicated.IROCP = April 2012 Investigation and Remediation of Contaminated Properties document.SSV= Soil Screening Values from Appendix A of the IROCPND<xx = Not Detected< Detection LimitResults reported above detection limits are indicated in boldDetection limits and reported concentrations above the residential SSV are shaded.NA = No IRCOCP SSV availableVDH = Vermont Department of Health Soil Screening Values

Bobbin MillSoil Sampling Data Summary

KAS # 508110219

Soil Sample SB-1 SB-2 SB-3 SB-4 SB-5 SB-6 IROCP IROCP VDHSample Depth (ft.) 0-2' 0-2' 0-2' 0-2' 0-2' 0-2' SSV SSV ValuesPID reading (ppm) 0.0 0.0 0.8 0.6 0.2 0.1 Residential IndustrialSample Date 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13 4/22/13TOTAL METALS (mg/kg, dry)Total Arsenic 4.7 4.5 9.3 6.4 7.7 4.9 0.39 1.6 NATotal Chromium ND<6.8 ND<5.5 ND<6.8 ND<3.8 ND<6.0 ND<5.4 0.29 5.6 103NOTES: All values reported in mg/kg, dry, unless otherwise indicated.IROCP = April 2012 Investigation and Remediation of Contaminated Properties document.SSV= Soil Screening Values from Appendix A of the IROCPND<xx = Not Detected< Detection LimitResults reported above detection limits are indicated in boldDetection limits and reported concentrations above the residential SSV are shaded.NA = No IRCOCP SSV availableVDH = Vermont Department of Health Soil Screening Values

Soil Sampling Data Summary

Bobbin Mill

Laboratory Report

504130298 Bobbin MillPROJECT:

DATE RECEIVED:

WORK ORDER:

DATE REPORTED:

100306KAS, Inc.

PO Box 787

Williston, VT 05495

Atten: Angela Emerson SAMPLER:

1304-06184

Angela Emerson

April 22, 2013

Reviewed by:

Harry B. Locker, Ph.D.Laboratory Director

Enclosed please find the results of the analyses performed for the samples referenced on the attached chain of custody. All required method quality control elements including instrument calibration were performed in accordance with method requirements and determined to be acceptable unless otherwise noted.

The column labeled Lab/Tech in the accompanying report denotes the laboratory facility where the testing was performed and the technician who conducted the assay. A "W" designates the Williston, VT lab under NELAC certification ELAP 11263; "R" designates the Lebanon, NH facility under certification NH 2037 and “N” the Plattsburgh, NY lab under certification ELAP 11892. “Sub” indicates the testing was performed by a subcontracted laboratory. The accreditation status of the subcontracted lab is referenced in the corresponding NELAC and Qual fields.

The NELAC column also denotes the accreditation status of each laboratory for each reported parameter. “A” indicates the referenced laboratory is NELAC accredited for the parameter reported. “N” indicates the laboratory is not accredited. “U” indicates that NELAC does not offer accreditation for that parameter in that specific matrix. Test results denoted with an “A” meet all National Environmental Laboratory Accreditation Program requirements except where denoted by pertinent data qualifiers. Test results are representative of the samples as they were received at the laboratory

Endyne, Inc. warrants, to the best of its knowledge and belief, the accuracy of the analytical

test results contained in this report, but makes no other warranty, expressed or implied, especially no warranties of merchantability or fitness for a particular purpose.

NH2037 ELAP11263160 James Brown Dr., Williston, VT 05495Ph 802-879-4333 Fax 802-879-7103

www.endynelabs.com

56 Etna Road, Lebanon, NH 03766 Ph 603-678-4891 Fax 603-678-4893

Laboratory ReportKAS, Inc.CLIENT:

PROJECT: 504130298 Bobbin MillWORK ORDER:DATE RECEIVED:

1304-0618404/22/2013

REPORT DATE:

001 Date Sampled: 4/22/13Site: SB-1 Time: 9:35

Analysis DateParameter Result NELACLab/TechUnits Qual.Method

4.7 mg/Kg, dry 4/30/13 LGW NEPA 7010Arsenic, Total

< 6.8 mg/Kg, dry 4/29/13 LJFW AEPA 6010BChromium, Total

002 Date Sampled: 4/22/13Site: SB-2 Time: 9:45

003 Date Sampled: 4/22/13Site: SB-3 Time:11:30

1304-0618404/22/2013

REPORT DATE:TEST METHOD:

001 Sampled: 4/22/13Site: SB-1 4/24/13 MDPWTest Date: 9:35Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8270C

Completed AUltrasonic Extraction 73.8 AN1Aug/Kg, dryNaphthalene57.2 AN1Aug/Kg, dry2-Methylnaphthalene 62.7 AN1Uug/Kg, dry1-Methylnaphthalene91.1 Aug/Kg, dryAcenaphthylene 240 AN1Aug/Kg, dryAcenaphthene

236 AN1Aug/Kg, dryFluorene 3,330 AN1Aug/Kg, dryPhenanthrene672 QA-Aug/Kg, dryAnthracene 5,180 Aug/Kg, dryFluoranthene

4,580 Aug/Kg, dryPyrene 2,310 Aug/Kg, dryBenzo(a)anthracene2,410 Aug/Kg, dryChrysene 2,570 Aug/Kg, dryBenzo(b)fluoranthene1,010 Aug/Kg, dryBenzo(k)fluoranthene 2,100 Aug/Kg, dryBenzo(a)pyrene1,690 Aug/Kg, dryIndeno(1,2,3-cd)pyrene 275 Aug/Kg, dryDibenzo(a,h)anthracene

1,310 Aug/Kg, dryBenzo(g,h,i)perylene 58 A%B/N Surr.1 Nitrobenzene-d573 A%B/N Surr.2 2-Fluorobiphenyl 114 A%B/N Surr.3 Terphenyl-d14

3,040 Uug/Kg, dryBaP Toxic Equiv. Quotient > 10 UUnidentified Peaks

TEST METHOD:

001 Sampled: 4/22/13Site: SB-1 4/24/13 MGTWTest Date: 9:35Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8260B

Completed APrep EPA 5035A High Level < 135 Nug/Kg, DryDichlorodifluoromethane< 81.0 Aug/Kg, DryChloromethane < 54.0 Aug/Kg, DryVinyl chloride< 135 Aug/Kg, DryBromomethane < 135 Aug/Kg, DryChloroethane< 54.0 Nug/Kg, DryTrichlorofluoromethane < 135 Nug/Kg, DryDiethyl ether< 27.0 Aug/Kg, Dry1,1-Dichloroethene < 270 Nug/Kg, DryAcetone

< 135 Nug/Kg, DryCarbon disulfide < 135 Aug/Kg, DryMethylene chloride< 540 Nug/Kg, Dryt-Butanol < 54.0 Aug/Kg, DryMethyl-t-butyl ether (MTBE)< 27.0 Aug/Kg, Drytrans-1,2-Dichloroethene < 54.0 Uug/Kg, DryDi-isopropyl ether (DIPE)< 27.0 Aug/Kg, Dry1,1-Dichloroethane < 54.0 Uug/Kg, DryEthyl-t-butyl ether (ETBE)< 270 Aug/Kg, Dry2-Butanone < 54.0 Nug/Kg, Dry2,2-Dichloropropane< 27.0 Nug/Kg, Drycis-1,2-Dichloroethene < 54.0 Nug/Kg, DryBromochloromethane

< 27.0 Aug/Kg, DryChloroform < 270 Uug/Kg, DryTetrahydrofuran< 27.0 Aug/Kg, Dry1,1,1-Trichloroethane < 27.0 Aug/Kg, DryCarbon tetrachloride< 27.0 Nug/Kg, Dry1,1-Dichloropropene < 27.0 Aug/Kg, DryBenzene< 54.0 Uug/Kg, Dryt-Amylmethyl ether (TAME) < 27.0 Aug/Kg, Dry1,2-Dichloroethane< 27.0 Aug/Kg, DryTrichloroethene < 54.0 Aug/Kg, Dry1,2-Dichloropropane< 54.0 Nug/Kg, DryDibromomethane < 27.0 Aug/Kg, DryBromodichloromethane

< 27.0 Aug/Kg, Drycis-1,3-Dichloropropene < 270 Nug/Kg, Dry4-Methyl-2-pentanone (MIBK)< 27.0 Aug/Kg, DryToluene < 54.0 Aug/Kg, Drytrans-1,3-Dichloropropene< 27.0 Aug/Kg, Dry1,1,2-Trichloroethane < 27.0 Aug/Kg, DryTetrachloroethene< 27.0 Nug/Kg, Dry1,3-Dichloropropane < 270 Nug/Kg, Dry2-Hexanone< 54.0 Aug/Kg, DryDibromochloromethane < 27.0 Nug/Kg, Dry1,2-Dibromoethane< 27.0 Aug/Kg, DryChlorobenzene < 27.0 Aug/Kg, DryEthylbenzene

< 54.0 Nug/Kg, Dry1,1,1,2-Tetrachloroethane < 54.0 Aug/Kg, DryXylenes, Total< 27.0 Nug/Kg, DryStyrene < 54.0 Aug/Kg, DryBromoform< 27.0 Aug/Kg, DryIsopropylbenzene < 54.0 Aug/Kg, Dry1,1,2,2-Tetrachloroethane< 27.0 Nug/Kg, DryBromobenzene < 27.0 Aug/Kg, Dryn-Propylbenzene< 54.0 Nug/Kg, Dry1,2,3-Trichloropropane < 27.0 Nug/Kg, Dry2-Chlorotoluene< 27.0 Aug/Kg, Dry1,3,5-Trimethylbenzene < 27.0 Nug/Kg, Dry4-Chlorotoluene

< 27.0 Aug/Kg, Dryt-Butylbenzene < 27.0 Aug/Kg, Dry1,2,4-Trimethylbenzene< 27.0 Aug/Kg, Drys-Butylbenzene < 27.0 Aug/Kg, Dry4-Isopropyltoluene< 27.0 Aug/Kg, Dry1,3-Dichlorobenzene < 27.0 Aug/Kg, Dry1,4-Dichlorobenzene< 27.0 Aug/Kg, Dryn-Butylbenzene < 27.0 Aug/Kg, Dry1,2-Dichlorobenzene< 54.0 Nug/Kg, Dry1,2-Dibromo-3-Chloropropane < 54.0 Nug/Kg, Dry1,2,4-Trichlorobenzene< 54.0 Uug/Kg, Dry1,3,5-Trichlorobenzene < 27.0 Nug/Kg, DryHexachlorobutadiene

< 54.0 Aug/Kg, DryNaphthalene < 54.0 Nug/Kg, Dry1,2,3-Trichlorobenzene81 A%Surr. 1 (Dibromofluoromethane) 98 A%Surr. 2 (Toluene d8)93 A%Surr. 3 (4-Bromofluorobenzene) 0 UUnidentified Peaks

1304-0618404/22/2013

002 Sampled: 4/22/13Site: SB-2 4/24/13 MDPWTest Date: 9:45Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8270C

Completed AUltrasonic Extraction < 35.0 Aug/Kg, dryNaphthalene< 35.0 Aug/Kg, dry2-Methylnaphthalene < 35.0 Uug/Kg, dry1-Methylnaphthalene< 35.0 Aug/Kg, dryAcenaphthylene < 35.0 Aug/Kg, dryAcenaphthene

< 35.0 Aug/Kg, dryFluorene 62.8 Aug/Kg, dryPhenanthrene< 35.0 QA-Aug/Kg, dryAnthracene 113 Aug/Kg, dryFluoranthene

109 Aug/Kg, dryPyrene 58.3 Aug/Kg, dryBenzo(a)anthracene74.0 Aug/Kg, dryChrysene 79.5 Aug/Kg, dryBenzo(b)fluoranthene

< 35.0 Aug/Kg, dryBenzo(k)fluoranthene 59.0 Aug/Kg, dryBenzo(a)pyrene59.0 Aug/Kg, dryIndeno(1,2,3-cd)pyrene < 35.0 Aug/Kg, dryDibenzo(a,h)anthracene

47.1 Aug/Kg, dryBenzo(g,h,i)perylene 60 A%B/N Surr.1 Nitrobenzene-d570 A%B/N Surr.2 2-Fluorobiphenyl 100 A%B/N Surr.3 Terphenyl-d14

78.8 Uug/Kg, dryBaP Toxic Equiv. Quotient > 10 UUnidentified Peaks

TEST METHOD:

002 Sampled: 4/22/13Site: SB-2 4/29/13 MGTWTest Date: 9:45Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8260B

Completed APrep EPA 5035A High Level < 95.0 Nug/Kg, DryDichlorodifluoromethane< 57.0 Aug/Kg, DryChloromethane < 38.0 Aug/Kg, DryVinyl chloride< 95.0 Aug/Kg, DryBromomethane < 95.0 Aug/Kg, DryChloroethane< 38.0 Nug/Kg, DryTrichlorofluoromethane < 95.0 Nug/Kg, DryDiethyl ether< 19.0 Aug/Kg, Dry1,1-Dichloroethene < 190 Nug/Kg, DryAcetone

< 95.0 Nug/Kg, DryCarbon disulfide < 95.0 Aug/Kg, DryMethylene chloride< 380 Nug/Kg, Dryt-Butanol < 38.0 Aug/Kg, DryMethyl-t-butyl ether (MTBE)< 19.0 Aug/Kg, Drytrans-1,2-Dichloroethene < 38.0 Uug/Kg, DryDi-isopropyl ether (DIPE)< 19.0 Aug/Kg, Dry1,1-Dichloroethane < 38.0 Uug/Kg, DryEthyl-t-butyl ether (ETBE)< 190 Aug/Kg, Dry2-Butanone < 38.0 Nug/Kg, Dry2,2-Dichloropropane< 19.0 Nug/Kg, Drycis-1,2-Dichloroethene < 38.0 Nug/Kg, DryBromochloromethane

< 38.0 Aug/Kg, DryNaphthalene < 38.0 Nug/Kg, Dry1,2,3-Trichlorobenzene91 A%Surr. 1 (Dibromofluoromethane) 102 A%Surr. 2 (Toluene d8)

101 A%Surr. 3 (4-Bromofluorobenzene) 0 UUnidentified Peaks

1304-0618404/22/2013

003 Sampled: 4/22/13Site: SB-3 4/24/13 MDPWTest Date:11:30Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8270C

Completed AUltrasonic Extraction 102 Aug/Kg, dryNaphthalene81.3 Aug/Kg, dry2-Methylnaphthalene 83.3 Uug/Kg, dry1-Methylnaphthalene109 Aug/Kg, dryAcenaphthylene 123 Aug/Kg, dryAcenaphthene

149 Aug/Kg, dryFluorene 1,880 Aug/Kg, dryPhenanthrene418 QA-Aug/Kg, dryAnthracene 2,850 Aug/Kg, dryFluoranthene

2,560 Aug/Kg, dryPyrene 1,480 Aug/Kg, dryBenzo(a)anthracene1,630 Aug/Kg, dryChrysene 2,010 Aug/Kg, dryBenzo(b)fluoranthene755 Aug/Kg, dryBenzo(k)fluoranthene 1,480 Aug/Kg, dryBenzo(a)pyrene

1,110 Aug/Kg, dryIndeno(1,2,3-cd)pyrene 214 Aug/Kg, dryDibenzo(a,h)anthracene

925 Aug/Kg, dryBenzo(g,h,i)perylene 62 A%B/N Surr.1 Nitrobenzene-d571 A%B/N Surr.2 2-Fluorobiphenyl 95 A%B/N Surr.3 Terphenyl-d14

TEST METHOD:

003 Sampled: 4/22/13Site: SB-3 4/24/13 MGTWTest Date:11:30Parameter Result Unit Nelac Qual Parameter Result Unit Nelac Qual

EPA 8260B

Completed APrep EPA 5035A High Level < 170 Nug/Kg, DryDichlorodifluoromethane< 102 Aug/Kg, DryChloromethane < 68.0 Aug/Kg, DryVinyl chloride< 170 Aug/Kg, DryBromomethane < 170 Aug/Kg, DryChloroethane< 68.0 Nug/Kg, DryTrichlorofluoromethane < 170 Nug/Kg, DryDiethyl ether< 34.0 Aug/Kg, Dry1,1-Dichloroethene < 340 Nug/Kg, DryAcetone

< 34.0 Aug/Kg, DryChloroform < 340 Uug/Kg, DryTetrahydrofuran< 34.0 Aug/Kg, Dry1,1,1-Trichloroethane < 34.0 Aug/Kg, DryCarbon tetrachloride< 34.0 Nug/Kg, Dry1,1-Dichloropropene 43.2 Aug/Kg, DryBenzene< 68.0 Uug/Kg, Dryt-Amylmethyl ether (TAME) < 34.0 Aug/Kg, Dry1,2-Dichloroethane< 34.0 Aug/Kg, DryTrichloroethene < 68.0 Aug/Kg, Dry1,2-Dichloropropane< 68.0 Nug/Kg, DryDibromomethane < 34.0 Aug/Kg, DryBromodichloromethane

< 34.0 Aug/Kg, Drycis-1,3-Dichloropropene < 340 Nug/Kg, Dry4-Methyl-2-pentanone (MIBK)417 Aug/Kg, DryToluene < 68.0 Aug/Kg, Drytrans-1,3-Dichloropropene

< 34.0 Aug/Kg, Dry1,1,2-Trichloroethane < 34.0 Aug/Kg, DryTetrachloroethene< 34.0 Nug/Kg, Dry1,3-Dichloropropane < 340 Nug/Kg, Dry2-Hexanone< 68.0 Aug/Kg, DryDibromochloromethane < 34.0 Nug/Kg, Dry1,2-Dibromoethane< 34.0 Aug/Kg, DryChlorobenzene 89.1 Aug/Kg, DryEthylbenzene

< 68.0 Nug/Kg, Dry1,1,1,2-Tetrachloroethane 403 Aug/Kg, DryXylenes, Total< 34.0 Nug/Kg, DryStyrene < 68.0 Aug/Kg, DryBromoform< 34.0 Aug/Kg, DryIsopropylbenzene < 68.0 Aug/Kg, Dry1,1,2,2-Tetrachloroethane< 34.0 Nug/Kg, DryBromobenzene 44.2 Aug/Kg, Dryn-Propylbenzene< 68.0 Nug/Kg, Dry1,2,3-Trichloropropane < 34.0 Nug/Kg, Dry2-Chlorotoluene< 34.0 Aug/Kg, Dry1,3,5-Trimethylbenzene < 34.0 Nug/Kg, Dry4-Chlorotoluene

< 34.0 Aug/Kg, Dryt-Butylbenzene 67.7 Aug/Kg, Dry1,2,4-Trimethylbenzene< 34.0 Aug/Kg, Drys-Butylbenzene < 34.0 Aug/Kg, Dry4-Isopropyltoluene< 34.0 Aug/Kg, Dry1,3-Dichlorobenzene < 34.0 Aug/Kg, Dry1,4-Dichlorobenzene< 34.0 Aug/Kg, Dryn-Butylbenzene < 34.0 Aug/Kg, Dry1,2-Dichlorobenzene< 68.0 Nug/Kg, Dry1,2-Dibromo-3-Chloropropane < 68.0 Nug/Kg, Dry1,2,4-Trichlorobenzene< 68.0 Uug/Kg, Dry1,3,5-Trichlorobenzene < 34.0 Nug/Kg, DryHexachlorobutadiene

141 Aug/Kg, DryNaphthalene < 68.0 Nug/Kg, Dry1,2,3-Trichlorobenzene90 A%Surr. 1 (Dibromofluoromethane) 96 A%Surr. 2 (Toluene d8)95 A%Surr. 3 (4-Bromofluorobenzene) 1 UUnidentified Peaks

1304-0618404/22/2013

EPA 8270C

Completed AUltrasonic Extraction 289 Aug/Kg, dryNaphthalene163 Aug/Kg, dry2-Methylnaphthalene 131 Uug/Kg, dry1-Methylnaphthalene69.0 Aug/Kg, dryAcenaphthylene 340 Aug/Kg, dryAcenaphthene

2,140 Aug/Kg, dryPyrene 1,080 Aug/Kg, dryBenzo(a)anthracene1,140 Aug/Kg, dryChrysene 1,040 Aug/Kg, dryBenzo(b)fluoranthene440 Aug/Kg, dryBenzo(k)fluoranthene 857 Aug/Kg, dryBenzo(a)pyrene581 Aug/Kg, dryIndeno(1,2,3-cd)pyrene 111 Aug/Kg, dryDibenzo(a,h)anthracene

TEST METHOD:

EPA 8260B

80.6 Aug/Kg, DryNaphthalene < 56.0 Nug/Kg, Dry1,2,3-Trichlorobenzene89 A%Surr. 1 (Dibromofluoromethane) 96 A%Surr. 2 (Toluene d8)97 A%Surr. 3 (4-Bromofluorobenzene) 0 UUnidentified Peaks

1304-0618404/22/2013

EPA 8270C

Completed AUltrasonic Extraction 70.7 Aug/Kg, dryNaphthalene65.8 Aug/Kg, dry2-Methylnaphthalene 76.0 Uug/Kg, dry1-Methylnaphthalene69.1 Aug/Kg, dryAcenaphthylene 146 Aug/Kg, dryAcenaphthene

2,860 Aug/Kg, dryPyrene 1,460 Aug/Kg, dryBenzo(a)anthracene1,630 Aug/Kg, dryChrysene 1,980 Aug/Kg, dryBenzo(b)fluoranthene715 Aug/Kg, dryBenzo(k)fluoranthene 1,430 Aug/Kg, dryBenzo(a)pyrene

1,040 Aug/Kg, dryIndeno(1,2,3-cd)pyrene 194 Aug/Kg, dryDibenzo(a,h)anthracene

TEST METHOD:

EPA 8260B

Completed APrep EPA 5035A High Level < 280 Nug/Kg, DryDichlorodifluoromethane< 168 Aug/Kg, DryChloromethane < 112 Aug/Kg, DryVinyl chloride< 280 Aug/Kg, DryBromomethane < 280 Aug/Kg, DryChloroethane< 112 Nug/Kg, DryTrichlorofluoromethane < 280 Nug/Kg, DryDiethyl ether< 56.0 Aug/Kg, Dry1,1-Dichloroethene < 560 Nug/Kg, DryAcetone

< 280 Nug/Kg, DryCarbon disulfide < 280 Aug/Kg, DryMethylene chloride< 1,120 Nug/Kg, Dryt-Butanol < 112 Aug/Kg, DryMethyl-t-butyl ether (MTBE)< 56.0 Aug/Kg, Drytrans-1,2-Dichloroethene < 112 Uug/Kg, DryDi-isopropyl ether (DIPE)< 56.0 Aug/Kg, Dry1,1-Dichloroethane < 112 Uug/Kg, DryEthyl-t-butyl ether (ETBE)< 560 Aug/Kg, Dry2-Butanone < 112 Nug/Kg, Dry2,2-Dichloropropane< 56.0 Nug/Kg, Drycis-1,2-Dichloroethene < 112 Nug/Kg, DryBromochloromethane

< 56.0 Aug/Kg, DryChloroform < 560 Uug/Kg, DryTetrahydrofuran< 56.0 Aug/Kg, Dry1,1,1-Trichloroethane < 56.0 Aug/Kg, DryCarbon tetrachloride< 56.0 Nug/Kg, Dry1,1-Dichloropropene < 56.0 Aug/Kg, DryBenzene< 112 Uug/Kg, Dryt-Amylmethyl ether (TAME) < 56.0 Aug/Kg, Dry1,2-Dichloroethane< 56.0 Aug/Kg, DryTrichloroethene < 112 Aug/Kg, Dry1,2-Dichloropropane< 112 Nug/Kg, DryDibromomethane < 56.0 Aug/Kg, DryBromodichloromethane

< 56.0 Aug/Kg, Drycis-1,3-Dichloropropene < 560 Nug/Kg, Dry4-Methyl-2-pentanone (MIBK)< 56.0 Aug/Kg, DryToluene < 112 Aug/Kg, Drytrans-1,3-Dichloropropene< 56.0 Aug/Kg, Dry1,1,2-Trichloroethane < 56.0 Aug/Kg, DryTetrachloroethene< 56.0 Nug/Kg, Dry1,3-Dichloropropane < 560 Nug/Kg, Dry2-Hexanone< 112 Aug/Kg, DryDibromochloromethane < 56.0 Nug/Kg, Dry1,2-Dibromoethane< 56.0 Aug/Kg, DryChlorobenzene < 56.0 Aug/Kg, DryEthylbenzene

< 112 Nug/Kg, Dry1,1,1,2-Tetrachloroethane < 112 Aug/Kg, DryXylenes, Total< 56.0 Nug/Kg, DryStyrene < 112 Aug/Kg, DryBromoform< 56.0 Aug/Kg, DryIsopropylbenzene < 112 Aug/Kg, Dry1,1,2,2-Tetrachloroethane< 56.0 Nug/Kg, DryBromobenzene < 56.0 Aug/Kg, Dryn-Propylbenzene< 112 Nug/Kg, Dry1,2,3-Trichloropropane < 56.0 Nug/Kg, Dry2-Chlorotoluene< 56.0 Aug/Kg, Dry1,3,5-Trimethylbenzene < 56.0 Nug/Kg, Dry4-Chlorotoluene

< 56.0 Aug/Kg, Dryt-Butylbenzene < 56.0 Aug/Kg, Dry1,2,4-Trimethylbenzene< 56.0 Aug/Kg, Drys-Butylbenzene < 56.0 Aug/Kg, Dry4-Isopropyltoluene< 56.0 Aug/Kg, Dry1,3-Dichlorobenzene < 56.0 Aug/Kg, Dry1,4-Dichlorobenzene< 56.0 Aug/Kg, Dryn-Butylbenzene < 56.0 Aug/Kg, Dry1,2-Dichlorobenzene< 112 Nug/Kg, Dry1,2-Dibromo-3-Chloropropane < 112 Nug/Kg, Dry1,2,4-Trichlorobenzene< 112 Uug/Kg, Dry1,3,5-Trichlorobenzene < 56.0 Nug/Kg, DryHexachlorobutadiene

< 112 Aug/Kg, DryNaphthalene < 112 Nug/Kg, Dry1,2,3-Trichlorobenzene82 A%Surr. 1 (Dibromofluoromethane) 97 A%Surr. 2 (Toluene d8)95 A%Surr. 3 (4-Bromofluorobenzene) 0 UUnidentified Peaks

1304-0618404/22/2013

EPA 8270C

Completed AUltrasonic Extraction < 39.0 Aug/Kg, dryNaphthalene< 39.0 Aug/Kg, dry2-Methylnaphthalene < 39.0 Uug/Kg, dry1-Methylnaphthalene< 39.0 Aug/Kg, dryAcenaphthylene < 39.0 Aug/Kg, dryAcenaphthene

< 39.0 Aug/Kg, dryFluorene < 39.0 Aug/Kg, dryPhenanthrene< 39.0 QA-Aug/Kg, dryAnthracene < 39.0 Aug/Kg, dryFluoranthene< 39.0 Aug/Kg, dryPyrene < 39.0 Aug/Kg, dryBenzo(a)anthracene< 39.0 Aug/Kg, dryChrysene < 39.0 Aug/Kg, dryBenzo(b)fluoranthene< 39.0 Aug/Kg, dryBenzo(k)fluoranthene < 39.0 Aug/Kg, dryBenzo(a)pyrene< 39.0 Aug/Kg, dryIndeno(1,2,3-cd)pyrene < 39.0 Aug/Kg, dryDibenzo(a,h)anthracene

< 39.0 Aug/Kg, dryBenzo(g,h,i)perylene 59 A%B/N Surr.1 Nitrobenzene-d563 A%B/N Surr.2 2-Fluorobiphenyl 96 A%B/N Surr.3 Terphenyl-d14

< 90.0 Uug/Kg, dryBaP Toxic Equiv. Quotient > 10 UUnidentified Peaks

TEST METHOD:

EPA 8260B

< 52.0 Aug/Kg, DryNaphthalene < 52.0 Nug/Kg, Dry1,2,3-Trichlorobenzene87 A%Surr. 1 (Dibromofluoromethane) 96 A%Surr. 2 (Toluene d8)96 A%Surr. 3 (4-Bromofluorobenzene) 0 UUnidentified Peaks

1304-0618404/22/2013

REPORT DATE:

Report Summary of Qualifiers and Notes

QA-: QA/QC associated with this analysis did not meet laboratory acceptance limits indicating the results may bebiased low.

AN1: The Relative Percent Difference of the Laboratory Duplicate was greater than 30%.

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