BACK TO MAIN CEntrE Analytical LaboratoriEs, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814)231-8032 Fax: (814)231-1253 or (814)231-1 580 Analytical Report Fluorochemical Characterization of Surface Water Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-014E (Revision 1) Revision Date 3/22/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 1680'1 3M Environmental Laboratory Contact Kent R.

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AR226-2532 C-8/I^IATER MEETING AGENDA (THURS, NOV. 7- B21 LCR) * GLOBAL C-8 ISSUES - ROGER ZIPFEL * VERIFICATION INVESTIGATION - DAN NEBER *- C-8/MATER FUTURE SAMPLING NEEDS, BOTH MN & COMMUNITY - DAN WEBER * CLIENT SERVICES - CH2MHILL - CHICK PHILLIPS * C-8/MATER METHODS DISCUSSION - CH2MHILL, JENELL SMILEY - EXP.

AR226-2712 34 AR226-2712 Environmental Impact of the Degradation of Materials Degradation of all materials, whether naturally occurring or man-made, necessarily produces chemicals as a result of the process.

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BattelleFi Georgia C Exposure I I BattelleFieldSampling ProceduresReview Columbus Georgia City-Survey regarding EmpiricalHuman Exposure Assessment Multi-CityStudy To Susan Beach - ProjectLead 3M9 ET & SS PO Box33331 Building 2-3)Z-09 St.Paul,MN 55133-3331 651-778-7452 - August 3,1999 Prepared by JessEldridge- Reviewer 3M9 ET & SS PO Box 33331 Building2-3E-09 St.Paul,MN 55133-3331 651-778-5233 Review Objective The objectiveofthe on-sitereviewwas to observethe samplingand handlingtechniquesused by Battelle duringtheColumbus, Georgia citysurveyforappropriatenesasnd completenesswithinthecontextof the Multi-CityHuman Exposure AssessmentStudy (MCHEAS).

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: AR226-3642 ARRRG. 3638 INTERIM REPORT #1 Analysis of Oskdale Water Samples STUDY TITLE AnalysisofPerfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/PMrSo/grMaSmfor the 3M Cottage Grove Monitoring DRAETAQUIREMENTS [EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDYDIRECTOR Jaisimha Kesari P.E., DEE We1s4t0o0nWSeosluitoinonWs,ayInc.

AR226-0132 G-s Final Report .

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