QUALITY ASSURANCE PROJECT PLAN FOR

G901110116 .

QUALITY ASSURANCE PROJECT PLAN FOR QUARTERLY (;ROUNDW ATER MONITORING

ATLANTIC GROUNDWATER SITE ATLANTIC, IOWA

Superfund Technical Assessment and Response Team (STAJ.t.T) Contract Contract No. 68-S7-01-41, Task Order 0116

I I

Prepared For:

U.S. Environmental Protection: Agency Region 7

Superfund Division 901 North 5th Street

Kansas City, Kansas 66101

April9, 2003 . r------- --- -~- --

1 lll~l~iiiijl~~~ . Prepared By:

Tetra Tech EM Inc. 8030 Flint Street

Lenexa, Kansas 66214

SUPERFUND RECORDS ------- --------./

CONTENTS

Sectionffable

QUALITY ASSURANCE PROJECT PLAN FORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.

TABLE 1: SAMPLE SUMMARY . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

TABLE 2: DATA QUALITYOBJECTIVE SUMMARY .................................... 6

Appendix

1 SITE-SPECIFIC INFORMATION

2 FIGURES

)

G901110116

Site Name: Atlantic Groundwater Site

Region 7 Superfund Program Quality Assurance Project Plan Form

for the Atlantic Groundwater Site

Proiect Information·

City: Atlantic I State: lA

EPA Project Manager: James MacDonal<Y-J /) Tetra Tech START Project Manager: Steve Holmes

Approved B~{:j: ~~ ., "· / /Y~ L~ r: v .,_-! (. j

Tit : ~p A Project Manager

Approved~~~ Title: EPA Su!A'if~A Coordinator

Approved By: 7C.C: j?" -.,/C Title: .P.rsT ART Project Manager

Approved By: .,. ~A~ .J,~J.A _ --- 7 - ·- -...- .......

Title: START ProJ1'8ffi Manager

ApprovedBy: ~~ Title: START QA Manager

4(trfo-s Date: ./

Prepared For: EPA Region 7 Superfund Division

Prepared By: Steve Holmes Date: 04/09/03

~ 4, ~3 Tetra Tech START Project Number: G9011.02.0116.00 Date: />yo.

1.0 Proiect Mana~ement:

1.1 Distribution List EPA-Region 7: James MacDonald, EPA Project Manager

Bob Dona, Superfund QA Coordinator Roy Crossland, EPA Project Officer

1.2 Project/Task Organization

Tetra Tech START: Steve Holmes, Project Manager

James MacDonald, of the EPA Region 7 Superfund Division, will serve as the EPA project manager for the activities described in this QAPP. Steve Holmes will serve as the Tetra Tech START project manager.

1.3 Problem Definition/Background: Description: This site-specific Quality Assurance Project Plan form is prepared as an addendum to the Generic Quality Assurance Project Plan for Superfund Integrated Assessment Activities, November 1998, and contains site-specific data quality objectives for the sampling activities

described herein.

• Description attached.

D Description in referenced report:

Title

1.4 Project/Task Description:

D CERCLAPA D CERCLASI

• Other (description attached): D Pre-CERCUS Site Screening

D Brownfields Assessment

• Removal Assessment

Date

Other Description: Quarterly groundwater sampling of three existing monitoring wells and two existing municipal wells.

Schedule: Field work is scheduled for April 2003 and July 2003.

1.5 Quality Objectives and Criteria for Measurement Data:

a. Accuracy: • Identified in attached table .

b. Precision: • Identified in attached table .

c. Reproducibility: • Identified in attached table .

d. Completeness*: • Identified in attached table .

e. Comparability: • Identified in attached table.

*A completeness goal of 100 percent has been established for this project. However, if the completeness goal is not met, EPA may still be able to

make site decisions based on any or all of the remaining validated data.

G901110116 1

Region 7 Superfund Program

Quality Assurance Project Plan Form


1.6 Special Training/Certification Requirements:

• OSHA 1910 D Special Equipment/Instrument Operator (describe below): D Other (describe below):

1.7 Documentation and Records:

• Field Sheets • Site Log • Trip Report • Site Maps D Video

• Chain of Custody • Health and Safety Plan • Letter Report • Photos

• Sample documentation will follow EPA Region 7 SOP 2420.5C

• Other: Analytical information will be handled according to procedures identified in Table 2.

2.0 Measurement and Data Acouisition:

2.1 Sampling Process Design:

D Random Sampling D Transect Sampling D Biased/Judgmental Sampling D Stratified Random Sampling

D Search SamplingO Systematic Grid D Systematic Random Sampling • Definitive Sampling

D Screening w/o Definitive Confirmation D Screening w/ Definitive Confirmation • Sample Map Attached

D Other (Provide rationale behind each sample):

The proposed sampling scheme will be definitive, in accordance with the Guidance for Performing Site Inspections Under CERCLA. OSWER Directive

#9345.1-05, September 1992, and "Removal Program Representative Sampling Guidance, Volume 1: Soil, OSWER Directive 9360.4-10, November

1991. Groundwater samples will be collected from pre-selected wells for laboratory analysis. See Appendices 1 and 2 for additional site-specific

information and site location maps.

Three 2-inch diameter monitoring wells were installed within the tetrachloroethene (PCE) plume identified by a 1987 soil gas survey conducted by Ecology and Environment, Incorporated. Tetra Tech STAR Twill deploy passive diffusion bag (PDB) samplers in each monitoring well (see Appendix

1 ). The PDB samplers will be centered within the saturated screened interval of each monitoring well and will be allowed to equilibrate for a minimum

of 14 days before they are retrieved for sampling. After the PDB samples have been collected, each monitoring well will also be sampled for VOCs

using disposable bailers. Data from both sample collection methods will be compared upon receipt of the laboratory data. Tetra Tech START will also collect groundwater samples from Municipal Wells #6 and #7 (from spigots near the wellheads) directly into the

appropriate sample containers.

All samples will be will be collected in two, 40-milliliter (mL) vials and submitted to the Region 7 EPA laboratory in Kansas City, Kansas, for analysis

of volatile organic compounds.

Sampling Event Summary Matrix No. of

Field Parameters Off-Site Analysis Samples*

Monitoring wells (PDB samplers) Water 6

temperature, conductivity, VOCs

(Two Sampling Events) turbidity, and pH

Monitoring wells (bailers) Water 6



Municipal Wells Water 4



*NOTE: QC samples are not included with these totals. See Table 1 for a complete sample summary.

2.2 Sample Methods Requirements:

Matrix Sampling Method EPA SOP(s)/Methods

Water Groundwater samples from monitoring wells using disposable bailers 4230.15A

Water Groundwater samples from monitoring wells using PDB samplers SeeBelow1

Water Groundwater samples from municipal wells 4230.10A

I Other Description: PDB samplers will be used in accordance with User's Guide for Polyethylene-based Passive Di.f!Usion Bag Samplers to Obtain Volatile Organic Compound Concentrations in Wells, Part 1: Deployment, Recovery, Data Interpretation, and Quality Control and Assurance (U.S. Geological Survey Water-Resources Investigations Report 01-4060).

G9011/0116 2



2.3 Sample Handling and Custody Requirements:

• Samples will be collected in accordance with procedures defined in Region 7 EPA SOP 2420.6C.

• COC will be maintained as directed by Region 7 EPA SOP 2420.48.

• Samples will be accepted according to Region 7 EPA SOP 2420.1 C.

D Other (Describe):

2.4 Analytical Methods Requirements: • Identified in attached table.

• Rationale: The requested analyses have been selected based on historical information for the site and program experience with similar types of

sites.

D Other (Describe):

2.5 Quality Control Requirements: D Not Applicable • Identified in attached table.

• Field QC Samples: For this investigation, field QC samples will consist of trip blanks, field blanks, and duplicate samples. One trip bhi.nk

(water) will be prepared per sampling event. The trip blank will be prepared by Region 7 EPA Laboratory personnel. The trip blank will be used to determine whether any VOCs were introduced during transportation of the samples/containers. One field blank per sampling event will be prepared by the START sampling team using high-purity water supplied by the Region 7 EPA Laboratory. ·The field blank will be used

to assess contamination of sample containers and preservatives used for the project. Finally, three duplicate groundwater samples will be

collected during each sampling event. One duplicate will be collected from a monitoring well using the PDB sample collection method. The second duplicate will be collected from a monitoring well using a disposable bailer, and the third duplicate will be collected from one of the municipal wells. The duplicate samples will be collected to assess total method precision .. All QC samples will be submitted for the analyses listed in the attached tables. Criteria for evaluation of blank samples are dependent on the levels of contamination found in environmental samples to determine whether the environmental samples are representative. Duplicate results will be evaluated based on criteria established for the associated analytical methods to determine the overall precision of the sampling data. Analytical results of all QC samples will be

evaluated by the EPA project manager and EPA contractor(s) to determine the usability of the data.

D Other (Describe):

2.6 Instrument/Equipment Testing, Inspection, and Maintenance Requirements: D Not Applicable

• Testing, inspection, and maintenance of analytical instrumentation will be performed in accordance with the previously referenced SOPs and/or

manufacturers' recommendations.

• Other (Describe): Testing, inspection, and maintenance of field instruments (water quality meter, PID, etc.) will be performed in accordance

with the manufacturers' recommendations.

2.7 Instrument Calibration and Frequency: D Not Applicable

• Calibration oflaboratory equipment will be performed as described in the previously referenced SOPs and/or manufacturers' recommendations.

• Other (Describe): Calibration of field instruments (water quality meter, PID, etc.) will be performed daily, as described in the manufacturers'

recommendations.

2.8 Inspection/Acceptance Requirements for Supplies and Consumable_s: D Not Applicable

• All sample containers will meet EPA criteria for cleaning procedures for low-level chemical analysis. 'Sample containers will have Levelll

certifications provided by the manufacturer in accordance with pre-cleaning criteria established by EPA in Specifications and Guidelines for

Obtaining Contaminant-Free Containers.

D Other (Describe):

G901110116 3

2.9 Data Acquisition Requirements:



0 Not Applicable

• Previous data/information pertaining to the site (including other analytical data, reports, photos, maps, etc., which are referenced in this QAPP)

have been compiled by EPA and/or its contractor(s) from other sources. Some of that data has not been verified by EPA and/or its contractor(s);

however, the information will not be used for decision-making purposes by EPA without verification by an independent professional qualified

to verify such data/information.

0 Other (Describe):

2.10 Data Management:

• All laboratory data acquired will be managed in accordance with Region 7 EPA SOP 2410.1 C.

0 Other (Describe):

3.0 Assessment and Oversh!:ht:

3.1 Assessment and Response Actions:

• Peer Review • Management Review 0 Field Audit o Lab Audit

• Assessment and response actions pertaining to analytical phases of the project are addressed in Region 7 EPA SOPs 2430.5A and 2430.12D.

0 Other (Describe):

3.1A Corrective Action:

• Corrective actions will be taken at the discretion of the EPA project manager, whenever there appear to be problems that could adversely affect

data quality and/or resulting decisions affecting future response actions pertaining to the site.

0 Other (Describe):

3.2 Reports to Management:

0 Audit Report 0 Data Validation Report 0 Project Status Report 0 None Required

• A letter report describing the sampling techniques, locations, problems encountered (with resolutions to those problems), and interpretation

of analytical results will be submitted to the EPA.

0 Other (Describe):

I 4.0 Data Validation and Usability:

4.1 Data Review, Validation, and Verification Requirements: 0 Identified in attached table.

• Data review and verification will be performed by a qualified analyst and the laboratory's section manager as described in Region 7 EPA SOPs

2430.5A and 2430.12D.

0 Other (Describe):

G901110116 4

4.2 Validation and Verification Methods:



• The data will be validated in accordance with Region 7 EPA SOPs 2430.5A and 2430.12D.

D Identified in attached table.

• The EPA site manager will inspect the data to provide a final review. The EPA site manager will review the data, if applicable, for laboratory

spikes and duplicates, laboratory blanks, and the trip blank to ensure that they are acceptable. The EPA site manager will also compare the sample descriptions with the field sheets for consistency and will ensure that any anomalies in the data are appropriately documented.

D Other (Describe):

4.3 Reconciliation with User Requirements:

• If data quality indicators do not meet the project's requirements as outlined in this QAPP, the data may be discarded andre-sampling or re

analysis of the subject samples may be required by the EPA site manager.

D Other (Describe):

G9011/0116 5

Table 1: Samole Summarv

Site Name: Atlantic Groundwater Site Location: Atlantic, Iowa

Tetra Tech START Site Manager: Steve Holmes Activity/ ASR #: To be determined I Date: 04/09/03

of Depth or

Sampling Analytical les

Matrix Location Purpose other Requested Analysis Method/SOP Method/SOP

To detennine VOC Monitoring wells concentrations in

EPA SOP 6 Water (Three per groundwater in and near TBD VOCs

4230.15A EPA SOP 3230.9A

sampling event) the suspected source area using disposable bail~

To detennine VOC US Geological

Monitoring wells concentrations in 6 Water (Three per groundwater in and near TBD VOCs

Survey EPA SOP 3230.9A

Method(See sampling event) the suspected source area

Section 2.2) using PDB samplers

Municipal wells· To determine VOC

concentrations in and EPA SOP 4 Water (Two per sampling

near the municipal well TBD VOC's

4230.10A EPA SOP 3230.9A

event) field

Duplicate sample To determine total

2 Water from monitoring

method precision using TBD VOCs EPA SOP

EPA SOP 3230.9A well (One per 4230.15A

sampling event) disposable bailers


US Geological

2 Water from monitoring

method precision using TBD VOCs Survey

EPA SOP 3230.9A well (One per

PDB samplers Method(See

sampling event) Section 2.2)


2 Water from municipal

method precision of TBD VOCs EPA SOP

EPA SOP 3230.9A well (One per 4230.10A

sampling event) municipal well samples

Trip blank To assess contamination 2 Water (One per sampling introduced during NA VOCs NA EPA SOP 3230.9A

event) transport of samples

Field blank To assess contamination 2 Water (One per sampling introduced during NA VOCs NA EPA SOP 3230.9A

event) samoline. orocedures

I Table 2: Data Quali!l: Objective Summan:: I Site Name: Atlantic Groundwater Site Location: Atlantic, Iowa

Tetra Tech START Site Manager: Steve Holmes Activity/ASR #:To be determined Date: 4/09/03

Analytical Data Quality Measurements Sample Data

Analysis Method Representa- Complete- Compar- Handling Management

Accuracy Precision tiveness ness abilitv Procedures Procedures

WATER

standardized definitive procedures for

per per sampling of sample see Section see Section

VOCs see Table I analytical analytical pre-selected

100% collection and 2.3 ofQAPP 2.10ofQAPP

method method wells analysis will be

used

G9011/0116 6

APPENDIX I

SITE-SPECIFIC INFORMATION FOR THE ATLANTIC GROUNDWATER SITE

(Two Pages)

G901110116

1.0 INTRODUCTION

The City of Atlantic is located in Cass County, Iowa, approximately 7 5 miles west of Des Moines, Iowa,

and 45 miles northeast of Council BlUffs Iowa (Appendix 2, Figure 1). Tetrachloroethene (also called

perchloroethene or PCE) was detected in Atlantic Municipal Utilities (AMU) Public Water Supply (PWS)

Well #7 during a water quality survey conducted by the Iowa Department ofNatural Resources (IDNR)

in 1982 (Appendix 2, Figure 2). Subsequent sampling events through the 1980's and 1990's detected PCE

in Well #7 at concentrations ranging from 11 micrograms per liter (Jlg/L) in March 1995 to 260 Jlg/L in

August 1984. Since August 1982, water from Well #7 has been pumped to either Buttermilk Creek or to

the City of Atlantic's wastewater treatment system in an attempt to restrict the migration of the PCE

contamination to other nearby drinking water supply wells.

In August 1987, Ecology & Environment, Inc., under contract to the U.S. Environmental Protection

Agency (EPA), delineated the approximate extent ofPCE contamination by conducting a soil gas survey.

The survey suggested the source area was just south of 7th Street and east ofPlum Street (Appendix 2,

Figure 2). The area is now occupied by a Burger King restaurant and a building occupied by Rolling Hills

Bank and Trust. The report also stated that a former dry cleaning business (pre-1960) was located in the

area of highest PCE concentrations detected in the soil gas samples (i.e., the suspected source area).

In 1998, IDNR conducted a fo~low-up investigation of the PCE contamination to better defme the source.

The report concluded that the primary source ofPCE contamination appeared to be the location of the

former dry cleaning business, now owned by the Rolling Hills Bank and Trust (Appendix 2, Figure 2).

The report also recommended that monitoring wells be installed to better defme the extent of PCE

contamination in groundwater near the suspected source area.

In 2002, Tetra Tech START conducted activities to better defme the limits of the soil contamination in the

previously identified source area and to obtain groundwater quality data in the immediate vicinity of the

source area. Three 2-inch diameter monitoring wells were installed within the PCE plume identified by

the 1987 soil gas survey, and thirteen Geoprobe soil borings were collected in the suspected source area

currently occupied by Burger King, the Rolling Hills Bank and Trust, and the American Security Control

buildings (Appendix 2, Figure 3).

G9011/0116 1·

2.0 PROPOSED FIELD ACTIVITIES

Tetra Tech START will collect groundwater samples from Municipal Wells #6 and #7 (Appendix 2,

Figure 2) and from each of the three aforementioned monitoring wells (Appendix 2, Figure 3) in April and

July 2003 for analysis of volatile organic compounds (VOCs).

Tetra Tech START will deploy passive diffusion bag (PDB) samplers in each of the three monitoring

wells. The PDB samplers will be installed in the center of the saturated screened interval of each

monitoring well, in accordance with the User's Guide for Polyethylene-Based Passive Diffosion Bag -

Samplers to Obtain Volatile Organic Compound Concentrations in Wells, Part 1: Deployment,

Recovery, Data Interpretation, and Quality Control and Assurance (U.S. Geological Survey Water

Resources Investigations Report 01-4060). In accordance with this document, the PDB samplers will

be allowed to equilibrate for a minimum of 14 days before they are retrieved for sampling.

After the PDB samples have been collected, each monitoring well will also be sampled using a disposable

bailer. Three well volumes will be purged from each well, and field parameters (pH, conductivity,

temperature, turbidity) will be measured to ensure that stabilization has been achieved prior to sample

collection.

When sampling the municipal wells, Tetra Tech START will collect groundwater samples from spigots

near the wellheads directly into the appropriate sample containers.

All groundwater samples will be will be collected in two, 40-milliliter (mL) vials, preserved with

hydrochloric acid to a pH <2, and stored in iced coolers. The samples will be shipped or hand delivered to

the Region 7 EPA laboratory in Kansas City, Kansas, for analysis of VOCs.

G9011/0116 2

G901110116

APPENDIX2

FIGURES

(Three Pages)

(

0

~ Source. USGS Atlantic, lA 7.5 Minute Topo Quad, 1971 > USGS Wiota, lA 7.5 'hlute Topo Quad, 1971

r-c----

~ I

~T-----..

I -

1000 2000

Scale in Feet

• N •shna Holt~ ~OJICi ub

I ~ I I I I ~---1

• ' bo

. ..

Atlantic Water Supply Site Atlantic, Iowa

Figure 1 Site Location Map

' 3

10

r \J

I •

I ' R

Legend

* 250 500 Feet


Legend e Monitoring well locations (MW-X) e Geoprobe "' locations (GP-X)

Source: Snyder and Associates. 4/4199

0 50 100

Approximate Scale in Feet


Figure 3 Monitoring Well

and Geoprobe ™ Locations

Documents

QUALITY ASSURANCE PROJECT PLAN FOR