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3 Final Report Concentrations of PFOS in Fish Fillet Tissues from Largemouth Bass Collected in the Tennessee River in April 2012 Study Title Analytical Study ISO12-01-01-01: Analysis of PFOS from Tennessee River Fish - Bakers Creek Area: April 2012 Data Requirement ISO17025 Project Director Charles Young Weston Solutions, Inc.

INTERIM REPORT #27 - 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 February 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.

AR IZG-0050 fa-3 0CTAN0L/W ATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1 -Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

Attain-ooGI BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE______________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

/IR 21G -0093 PFOS: AN ACTIVATED SLUDGE, RESPIRATION INHIBITION TEST FINAL REPORT WILDLIFE INTERNATIONAL LTD.

AR226-0(61 DT15 3M MEDICAL DEPARTMENT, CORPORATE TOXICOLOGY - ST-43: Standard Procedure fo r Liver Subcelular Fractionation - Study Objective: Perfluorochemical compounds such as perfluorooctane sulfonate (PFOS) have been linked with reduction in serum cholesterol levels and liver has been identified as the primary target site.

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3M Specialty Materials 3M Center St.

AR226-1030A045 BACK TO MAIN 2=225 POTENTIAL FOR ENVIRONMENTAL IMPACT OF AFA-6 SURFACTANT A Report for: PANARCTIC OILS LTD.

TECHNICAL REPORT SUMMARY TO; TECHNICAL COMMUNICATIONS CENTER - 201-2CN BACK TO MAIN Dale 8/31/81 (Im portant -- I f report sprinted on both sides o f paper, send two copies to TCCJ D iv is io n Dept.

BACK TO MAIN -V 3 `.

BACK TO MAIN Analytical Data Summary PFOS, Primary Standard - Test Control Reference #TCR-00017-046 S o lu b ilit y in W a t e r , Na t u r a l S e a w a t e r , an A q u e o u s So lu tio n of 3.5% S o d iu m C h lo ride, and n-O ctano L with S ubsequent Calculation of the n-O c tan o l:Water Pa r t it io n Co e ff ic ie n t (KoW) of PFO S fo r each of t h e A q u e o u s Ma t r ic e s Author Mark E.

May 1, 2001 CERTIFIED MAIL Document Processing Center (7407) (Attn: Section 8(e) Coordinator) Office of Toxic Substances US Environmental Protection Agency 401 M Street, SW Washington, DC 20460 Re: TSCA 8(e) NOTICE For: Acute Toxicity Honey Bee Studies on Perfluorooctane Sulfonate, potassium salt, CAS# 2795-39-3 Dear Sir: 3M is submitting the results from recent oral and contact acute toxicity tests performed with 1-octanesulfonic acid, l,1.2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-,potassium salt (CAS No. 2795-39-3) - commonly referred to as PFOS - on honey bees.

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