3 GLP10-01-02 Interim Report 03: Analysis for PFOS, PFHS and PFBS in Decatur, AL Wetlands Edge Environmental Center (WEEC) Soils and Sediments Collected June/July 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: 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 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

3M Environmental Laboratory ARIU-coSH Exact Copy o f Original T ** &W\is l i n O Initial Date Method v y -2 - Determination of Perfluorooctane sulfonate (PFOS), Perfluorooctane SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN WATER BY LlQUIDSolid Extraction and High-Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS/MS) Method Number: ETS-8-154.0 Adoption Date: & H j z i ) l x > o Q Author: Kristen J.

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3M Medical Department Study: T-6395.14 AR226-1030A005 BACK TO MAIN Analytical Report: FACT TOX-111 LRN-U2994 Study Title Oral (Gavage) Pharmacokinetic Recovery Study of PFOS in Rats Analytical Laboratory Report Title Determination of the Concentration of Perfluorooctanesulfonate (PFOS) in the Serum, Liver, Urine, and Feces of Cri:CDBR VAF/Plus Rats Exposed to PFOS via Gavage Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date at signing Performing Laboratories Urine Analyses Feces Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE COM- AUTHOR PLETED TYPE Physical/Chemical Properties Im pinger Studies of Volatility of FC-95 and FC-143 3M Environm ental Lab 12/15/93 Robust sum m ary, labora tory report C haracterization Study of PFOS, Prim ary Standard - Test Control Reference # T C R -0 0 0 1 7 -0 4 6 .

3M Environmental Laboratory AlWo e-os-ftyo M ethod Determination of Perfluorooctane sulfonate (PFOS), Perfluorooctane SULFONYLAMIDE (PFOSA), AND PERFLUOROOCTANOATE (POAA) IN W ATER BY LlQUIDSolid Extraction and High-Performance Liquid Chromatography/Tandem Mass Spectrometry (HPLC/MS/MS) Method Number: ETS-8-154.0 Adoption Date: Author: Kristen J.

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AR226-2417 SAMPLE r-R SAMPLE SUMMARY: 11/90 TO PRESENT -------- p t 9/i37fir DATE SAMPLED RESULT PPB C-8 STATUS 1.

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M U - 3 30*1 /V/U ai- 230J D u p on t-13542 FINAL REPORT Study Title H-24768: In Vitro Mammalian Chromosome Aberration Study in Human Peripheral Blood Lymphocytes Authors Ramadevi Gudi, Ph.D.