3 GLP10-01-02 Interim Report 15: Analysis for PFOS, PFHS and PFBS in Decatur, AL Avenue A Soils and Sediments Collected January 2011 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 Principal Analytical Investigator Cleston C.

www.axysanalytical.com AXYS Axys Analytical Services Ltd 2045 Mills Road West SID N EY, BRITISH COLUMBIA, CANADA V8L 5X2 T E L 250-655-5800 FAX250-655-5811 www .axysanalytical.com AXYS Client No.: Client Address: 4673 Cardno ENTRIX 4295 Okemos Road, Suite 101 Okemos, MI, US, 48864 The AXYS contact for these data is Kalai Pillay.

STLS E V F.

AR^-Sg BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, lithium salt, CAS # 29457-72-5) Remarks: The test sample is a mixture of the test substance in water (approximately 24.5% test substance and 75.5% water).

ARZIG-ooSI Ecotoxicity Elements T itle ; 2- PFO S: A 96-H our Static A cute Toxicity T est with the Fathead Minnow (P im e ph a le s p ro m e la s ) PFO S: A 96-H o ur Toxicity T est with the Freshw ater Alga (S elenastrum capricom utum ) P FO S : A 48 -H o u r Static A cute Toxicity T est with the Cladoceran (.D a p h n ia m a g n a ) Laboratory or A uthor Wildlife International, Ltd.

m n < -o o ^ PFOS: A 48-HOUR STATIC ACUTE TOXICITY TEST WITH THE CLADOCERAN (.Daphnia magna) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

j\R l% S-0J55 28 Day Percutaneous Absorption Study with FC-95 in Albino Rabbits Experiment No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: de: M.

ftRl%-0 2 3 5 3M Environmental Laboratory Final Report- Analytical Study Single-Dose Intravenous Pharmacokinetic Study of T-6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-134 Study Number: AMDT- 111 694.1 Test Substance: FC-120 (T-6052) Name and Address o f Sponsor: 3M SCD Division 367 Grove Street St.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com iP h o n e : (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water, Surface Water, Sediment, POTW Effluent, POTW Sludge and Landfill Leachate Samples Port St.

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

BACK TO MAIN BIOCONCENTRATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample from 3M production lot number 217.

BACK BIODEGRADATION TEST SUBSTANCE Identity: Remarks: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA, PFOA ammonium salt, Ammonium perfluorooctanoate, FC-116, FC-126, FC-169, or FC-143.

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

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HAZLETON WASHINGTON 9SOO LE ESBU RG PIKE V I E N N A , VA. 2 2 1 8 8 - 1 6 9 9 154-209 ANALYSIS OF T-5878 IN A CELL PROLIFERATION ASSAY IN RAT LIVER CELLS FINAL REPORT AUTHOR Maria A.