GLP10-01-02; Interim Report 29 - Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Collected at Off-Site Wells in Decatur, AL in March/April 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.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244964 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: 03/23/2006 Signature Name: Richard C.

31VI General Offices April 21, 2000 3M Center St.

3M 3M General Offices FYI-00-001378 FV1-00-001378 April 28, 2000 3M Center St.

3M General OMices Iw f f 3M & H Q f 3M Center St.

AR226-1030A038 BACK TO MAIN Biodegradation study Report The 18-Day Aerobic Biodegradation Study of Perfluorooctanesulfonyl-Based Chemistries Project Number 3M Project ID: Not Available Contract Analytical Project ID: CA097 Study Director Cleston C.

BACK TO MAIN 3M Environmental Laboratory Report No.

Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M PO Center, Building Box 33220 222200--22EE--0022 f t !

3M Environmental Laboratory m % - o ix Final Report- Analytical Study Single-Dose Intravenous Pharmacokinetic Study of T-6054 in Rabbits In-Vivo Study Reference Number: HWI#6329-138 Study Number: AM DT-122094.2 Test Substance: FC-129 (T-6054) Name and Address o f Sponsor: 3M SCD Division 367 Grove Street St.

/(R -- 0 6 5 If* 0B8a/r1b7a/r2a0L0e0c0z6y:n4s5kiPM cTScou::bject: Karen Lannon/DC/USEPA/US@EPA request for information on perfluorochemicals ------------------------Forwarded by Barbara Leczynski/DC/USEPA/US on 08/17/2000 06:34 PM ^ 0C4h/a1r9le/2s0A0u0e0r8:42 AM Tcco:: OgLesercacalzdry.Hnl.ksekernin/DanneCdd/eUyz@S/DEuCPsaA/U.

M-2 _ />.5T To: NCIC OPPT/DC/USEPA/US@EPA cc: Subject: AR226: Comments on Telomer Research Plan As indicated below, please include the attached email correspondence from Rich Purdy to Charles Auer in the file for AR-226.

M&M- \& i DuPoni Engineering Earley Mill Pla:a - Blrhj. 27 Lancaster Pil.e & Fits.

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Telom er Research Program AR226-1423 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroAcute Immobilisation Test (48h) to Daphnia magna STRAUS Limit Test with the Water Accommodated Fraction (WAF) Author(s): Martina Noack RECEIVED OPPT NCIC 2003 July 18 12:00PM Contractor: Dr.

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