www.axysanalytical.com >)][( A X Y S Axys Analytical Services Ltd 2045 Mills Road West SIDN EY, BRITISH COLUMBIA, CANADA V8L 5X2 T E L 250-655-5800 FAX 250-655-5811 www.axysanalytical.com AXYS Client No.: Client Address: 4731 Weston Solutions Inc. 1400 Weston Way West Chester, PA, US, 19380 The AXYS contact for these data is Candice Navaroli.

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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Corporate Health Physics CCoorrppoorraattee POrcocduupcattiRonesaploMnseidbiicliintye Corporate Toxicology 3M Medical Department P3SOMt.

A fm G - c r a G -s ' Final Report Unscheduled DNA Synthesis in Rat Liver Primary Cell Cultures With PFOS PREPARED FOR: 3M Corporate Toxicology COVANCE STUDY NUMBER: 20784-0-447 THE DEVELOPMENT SERVICES COMPANY FINAL REPORT UNSCHEDULED DNA SYNTHESIS IN RAT LIVER PRIMARY CELL CULTURES WITH PFOS AUTHOR Maria A.

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Attachments to Letter to C.

COViVfC^ THE DEVELOPMENT SERVICES COMPANY July 1, 1999 Covance Laboratories Inc. 9200 Leesburg Pike Vienna, Virglna 22182 Tel: 703/893-5400 Fax: 703/759-6947 Paul Lieder, Ph.D. 3M Corporate Toxicology Building 220-2E-02 St.

ATTACHMENT TO LETTER TO C.

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

Laboratory Report Analytical Report of Data for PFOSA Pharmacokinetic Study in Rats (Sera and Liver) Laboratory Report No.

Internal Correspondence B A C K TO M AIN t, Commercial Chemicals Analytical Report #247 To: M.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814) 231-8032 Fax: (814) 231-1253or (814) 231-1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Pensacola, FL (W2176) Centre Analytical Laboratory Report No. 023-014T (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

, / ^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.

Quality Assurance Project Plan Multi-City Study Sampling Task (N100672) ' BACK TO MAIN Amendment 1 to Revision No.: 1 Effective Date: Junel6, 1999 Page 1 of3 Amendment 1 to the Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To June 16,1999 Prepared by Battelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 APPROVALS Donald Gunster \ Sampling Task Leader ^-- A)P Rosanna Buhl Battelle Sampling Task QA Officer Marcia Nishioka ' Battelle Project Manager JhMA Susan Abbgy| if u (j Battelle Program QA Officer tI ifln Date ' Date VV ?