[·N:] TETRA TECH *30284912*
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[·n:] TETRA TECH August 15, 2012 Roy Crossland START Project Officer U.S. EPA-TLC 8600 NE Underground Drive, Pillar 253 Kansas City, Missouri 64161 Subject: Addendum No.2 to the Quality Assurance Project Plan Highway 3 PCE Site, Le Mars, Plymouth County, Iowa U.S. EPA Region 7 START, Contract No. EP-S7-06-0l, Task Order No. 0292 Task Monitor: Susan Fisher, EPA On-Scene Coordinator Dear Mr. Crossland: Tetra Teen EM Inc. is submitting the attached addendum to the Quality Assurance Project Plan for the Highway 3 PCE Site in Le Mars, Iowa. If you have any questions or comments, please contact the project manager at (816) 412-1 7 41. ~Ted Faile, PG, CHMM START Program Manager Enclosure Tetra Tech EM Inc. 4 15 Oak Street. Kansas City. MO 641 06 Tel 816.412.1741 Fax 816.410. 1748 www.tetratech.com X9004. 11.0292.000 ADDENDUM NO.2 TO THE QAPP Highway 3 PCE Site Le Mars, Plymouth County, Iowa Task Order No. 0292 This document will serve as an addendum to the Quality Assurance Project Plan (QAPP) dated June I 0, 2011, for the Highway 3 PCE Site in Le Mars, Iowa; Attachment I includes the June 2011 QAPP, subsequent addendum to the QAPP from October 2011, and the Environmental Protection Agency (EPA) approval memorandum. Additional investigation activities at this site under Task Order 0292 were deemed necessary to assess potential contamination outside of the dry cleaning building located near the southeast corner of the intersection of Highway 3 and Central A venue. The additional field activities are based upon tetrachloroethylene (PCE) and other volatile organic compounds (VOCs) results obtained from the Phase I and II sampling events conducted during 2011. The Tetra Tech EM Inc. (Tetra Tech) Superfund Technical Assessment and Response Team (START) will undertake sampling activities during the week of September I 0, 2012. The original QAPP submitted by Tetra Tech START under Task Order 0228 remains the primary guidance document for this activity; however, modifications to the original QAPP are necessary, as described below. SAMPLING STRATEGY AND METHODOLOGY Under this task order, START will conduct sampling of indoor air, sub-slab soil gas, and subsurface soil to assess the presence ofPCE and other VOCs that may present a threat to human health. The proposed sampling scheme for this project includes approximately 5 indoor air, 5 sub-slab soil gas, and 20 subsurface soil samples. Procedures for collecting the sub-slab soil gas and subsurface soil samples are outlined in the original QAPP submitted by Tetra Tech START under Task Order 0228. Indoor air sampling procedures will follow guidelines established in EPA Standard Operating Procedures (SOP) presented below in this QAPP Addendum. Indoor Air Sampling Five indoor air sampling locations will be selected in buildings adjacent to the dry cleaning building located near the southeast corner of the intersection of Highway 3 and Central A venue. At each location, a Summa canister will be fitted with a passive flow regulator to enable collection of an air sample for a continuous 24-hour period. All Summa sampling will be conducted in accordance with EPA Emergency Response Team SOP 4231.1704- Summa Canister Sampling, and EPA Region 7 SOP 2313.04- Air Sampling with Stainless Steel Canister. Pertinent data, including analyses to be performed and exact sample locations, will be recorded on field sheets for each sample. X9004.11.0292.000 Prior to indoor air sampling, START will contact all owners and/or tenants of proposed indoor air sampling locations and request that any stored chemical materials and fuels that may contribute VOCs to indoor air be either :;ealed in plastic bags or removed from the premises several days prior to sampli ng to minimize introduction ofVOCs from other sources (i.e., other than from a subsurface source). A building survey form will be completed at each structure where sampling is to take place to document any cond itions that may affect indoor air sampling results. J=- I 5- /t... Ted Faile, PG, CHMM, START Program Manager Date 2 -!5-/2- Kathleen Homer, START Quality Assurance Manager Date Susan Fisher, EPA Region 7 Project Manager Date Diane Harris, EPA Region 7 Quality Assurance Coordinator Date X9004.11 .0292.000 ATTACHMENT 1 X9004.11.0292.000 (.. it:] TETRA TECH June 10, 2011 Mr. Roy Crossland START Project Officer U.S. Envirorunental Protection Agency, Region 7 901 North slh Street Kansas City, Kansas 66101 Subject: Quality Assurance Project Plan Highway 3 PCE Site, Le Mars, Plymouth County, Iowa U.S. EPA Region 7 START 3, Contract No. EP-S7-06-0l, Task Order No. 0228 Task Monitor: Todd Davis, Targeted Brownfields Assessment Coordinator Dear Mr. Crossland: Tetra Tech EM Inc. is submitting the attached Quality Assurance Project Plan (QAPP) for a Preliminary Assessment at the Highway 3 PCE Site in Le Mars, Iowa. If you have any questions or comments, please contact the project manager at (816) 412-1751. Sincerely, {)JtJ~ H~~ Scroggin ,. START Project Manager ~~ Ted Faile, PG, CHMM START Program Manager Enclosures Tetra Tech E:.lvl Inc. 415 Oak Street Kansas City. MD 64106 Tel 816.4121741 Fa:-: 816.410.1748 WW¥1.tetratech.com X9004.11.0228.000 QUALITY ASSURANCE PROJECT PLAN FOR A PRELIMINARY ASSESSMENT AT THE HIGHWAY 3 PCE SITE LE MARS, IOWA Superfund Technical Assessment and Response Team (START) Contract No. EP-S?-06-01, Task Order 0228 Prepared For: U.S. Environmental Protection Agency Region 7 Superfund Division 901 N. 5"' Street Kansas City, Kansas 6610 I June 10, 20 II Prepared By: Tetra Tech EM Inc. 415 Oak Street Kansas City, Missomi 64106 (816) 412-1741 CONTENTS Section/Table Page QUALITY ASSURANCE PROJECT PLAN FORM ................................................................................... 1 TABLE I: SAMPLE SUMMARY ............................................................................................................... 5 TABLE2: DATA QUALITY OBJECTIVE SUMMARY ........................................................................... 6 APPENDICES Appendix A SITE-SPECIFIC INFORMATION FOR THE HIGHWAY 3 PCE SITE B FIGURES C GUIDELINES FOR INSTALLATION AND RETRIEVAL OF PASSIVE SOIL GAS MODULES X9004.!1.0228.000 Region 7 Superfund Program Addendum to the Generic QAPP for the Superfund Site Assessment and Targeted Brownficlds Assessment Programs (July 2007) for the Highway 3 PCE Site, Le Mats Iowa .. ··- . ; .:; ;., :·:~ '.'; ._, •.. ' -·~. ' _;_--;· C• ·· ... ,· ·:. .. ,.. -:.· · -':· ·:···.Pro'CCUrifoirilntion:·•·:: ,:. ·:· •'· ·.. ·. Project Name: Highwar.l PCE Site City: Le Mars !State: Iowa EPA Project Mana er: T~ddD~vis START Project M:mneer: Tom Scro~t?;in Approved By: 'lv</ld' v ~ f{f(;fjtle: S'1 ART ProiectM !mmer / Date: t; -/(1-II Picpared For: EPA Region 7 Superfund Division Approved~: :d' 17' Title: STj\RT Program anager !Date: t<:-lo -)/ Approved Bv: L I~ 11'3'VI-t0.Y :rur. Prepared By: Tom Scroggin Title: STARTQ~Managcr Date:{n-1()-j Date: June 2011 Approved By: Title: EPAPro'ectManager !Date: Approved By: Tetra Tech START Project Number: X9004.11.0228.000 Title: EPARes!ion 7 CACoordinator · !Date: -,,_:;_ ,,. -_ .. , .,, __ ''•' '. .-).' ::,-'f:~.'' . 'i "· •'.':i', ·-,::1';'.':::·,;.-(.·/ . ' " ').. : ~'~;:;.~,:cl~Oi~. ::··. ;J~I-.O.ii:!Cl:Miliiit2CiriCiit:_,!'~·.:;: :~.·: ''· '· ,;, ,' ::~:·.: .. .:,:: ·• u Distribution List. EPA-Region 7: Todd Davis, EPA Project Manager Tetra Tech-START: Tom Scroggin, Project Manager Diane Harris, EPA Region 7 QA Coordinator Kathy Homer, QA Manager 1.2 Projecttrask Organization Todd Davis, of the EPA Region 7 Superfund Division, will serve as the·EPA project manager for the activities described in this QAPP. Tom Scroggin, of Tetra Tech EM, Inc., (Tetra Tech), will serve as the START project manager for field activities. 1.3 Problem Definition/Background: Description: This site~specific Quality Assurance Project PI<IJl fonn is prepared as an addendum to the Gefieric Quality Assurance Project Plan for Superfund Site Assessment and Targeted Brownfields Assessment Programs (updated July 2007), and ~ontains site-spe~ific data quality objectives for the sampling activities described herein. · 18] Description attached. D Description in referenced report: Title Date 1.4 Projectffnslt Description: 18] CERCLAPA D CERCLASI D Brownfields Assessment D Removal Action D Other (description attached): D Pre-CERCLIS Screening D Reffioval Site Evaluation Other Description: Schedule: Field work _is scheduled to be conducted in July 2011. · D Description in referenced report: Title Date 1.5 Quality Objectives and Criteria for Measurcritcnt Data: a. Accuracy: 181 Identified in attached table. b, Precision: J 18] Identified in attached table. c. Representativeness: 181 Identified in attached table. d, Completeness*: 18] Identified in attached table. e, COlllP!!fabiliLy: 181 Identified in attached table. Other Description: *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 decisions based on any or all of the remaining validated data. No "critical samples" have been identified for this project. 1.6 Special Training/Certification Re-quirements: 18] OSHA 1910 18] Special Equipment!Instrument Operator (describe below): D Other (describe below): START field personnel will be experienced in passive soil gas, active soil gas; and direct-push technology groundwater sampling . 1.7 Documentation and Records: 18] Field Sheets 18] Daily Log 181 Trip Report 18] Area Maps D Video 18] Chain of Custody 18] Health and Safety.Plan