2008-Aug-21 01J:tt0tJi3i D. oPnMvuntiG3yM 6517331773 w*" - ..............................

3M Generai Offices 3M Center S t Paul, MM 55 144-1000 651 7 3 3 1 1 1 0 P-1 i\ QOlefP. ' 3M September 17,2008 RF'Ct-IVTD J ` I u IL 08 SEP I 9 AH I0-* f 0 Document Control Office EPA East Room 6428 AR- 226 Docket US Environmental Protection Agency 1201 Constitution Avenue, NW W ashington DC 20460 iOOC -.I $ : li 9 VIA Federal Express AZ2Cr38a% Attention: Docket No.

itSff \ 3M General Offices `y T t b l P f I- 0700-/3 7 %3M Center St.

FROM LATHAM & WATKINS WASH DC #3 (THU) 4. 27'00 12:11/ST. 12:06/NO. 4261478959.

W 2 - Z 6 - II 7 7 REC EIV ED MAY - 6 2002 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 1650 Arch Street Philadelphia, Pennsylvania 19103-2029 APR 2 4 2002 Robert A.

COLUM BUS, O HIO OFFICE TW ELFTH FLOOR 21 E A S T S TATE S T R E E T CO LUM BUS.

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.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9, 2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244549 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/09/2006 Signature Name: Richard C.

M2&-0236 Attachments to Letter to C.

AR226-1030A033 BACK TO MAIN Focus Environmental, Inc.

BACK TO MAIN - 1- PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN OYSTER, CRASSOSTREA VIRGINICA, FROM THE GULF OF MEXICO AND CHESAPEAKE BAY John P.

3M Medical Department Study: T-6889.3 Analytical Report: FACT TOX-026 LRN-U2782 Study Title 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO/POAA) in Cynomolgus Monkeys Amended Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanoate Fluorochemical in Liver, Serum, Urine and Feces Samples Data Requirement Not Applicable Author 3M Environmental Laboratory Analytical Phase Completion Date June 11, 2001 Performing Laboratories Liver, Serum and Urine Analyses Feces Analyses 3M Environmental Laboratory Centre Analytical Laboratories, Inc.