3M ENVIRONMENTAL LABORATORY REPORT NO.

3M Cenerai Offices , ; 3M Center St.

AH22- lOH-7 3M Company Page 1 o f 121 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

AU JA 6 _ lUJL UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 SEP 25 2002 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES MEMORANDUM SUBJECT: Summary of PFOA Exposure Conference Call, September 12, 2002 FROM: TO: Charles M.

GLP10-01-02; Interim Report 38 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at the Former Sludge Incorporation Area (FSIA) located in Decatur, AL, November/December 2012 Study Title Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 P hone:610-701-3761 Author Susan W olf 3M Environmental Laboratory Interim Report Completion Date Date of signing Performing Laboratory 3M Environmental Health and Safety Operations Environmental Laboratory 3M Center, Bldg 260-05-N-17 St.

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Attachments to Letter to C.

ATTACHMENT TO LETTER TO C.

/ JaceAnalytical" -- Fi el dServices Division I 3M Prepared by: Pace Analytical Services, Inc.

, / ^P ace Analytical" j-- J Field Services Division r i i 3M1 % #1W 1 i i BACK TO MAIN PaceAnalytical Services, Inc. 1700 Elm Street, S uite 200 M inneapolis, M N 55414 Phone: 612.607.1700 Fax: 612.607.6444 Port St.

f y i - o r o o - /3 7 < f Attachments to Letter to C.

3M Specialty Materials June 15, 2000 3M Center St.

U- HPf MSLSLb- 1033 M fa- z r V1 DuPont Chtmical Solutojuo Entirp P.O.Box 80023 Wilmington.

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mm ndrea V Malinowski Corporate Counsel DuPont Legal D-7078 1007 Market Street Wilmington, Delaware 19898 Phone: 302-774-6443 Fax: 302-774-4812 e-mail: Andrea.V.Malmowski@usa.dupont.com M l 2 6 - 132.7 _ 0603- 00315 Mr.