3M Specialty Materials Igfff December 20, 2001 3M Center St.

30 June 2003 To: Mary F.

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3M ENVIRONMENTAL LABORATORY REPORT NO.

GLP10-01-02; Interim Report 37 - Analysis of PFBS, PFHS, and PFOS in Water Samples Collected at the Former Bert Jeffries Property in Decatur, AL - October 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.

BACK TO MAIN STABILITY IN WATER (HYDROLYSIS) TEST SUBSTANCE__________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as NEtFOSE alcohol. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS# 1691-99-2).

BACK TO MAIN 3M Environmental Laboratory Report No.

AR226-3183 DuPont-4902 TRADE SECRET Study Title H-24616: Developmental Toxicity Study in Rats Laboratory Project ID: DuPont-4902 Test Guidelines: U.S.

AR226-3211 DuPont-2923 Supplement No. 1 TRADE SECRET Study Title H-23961: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2923 AUTHOR: Carol Finlay, B.A.

AR226-3363 Society of Environmental Toxicology & Chemistry Summary of DuPont Presentations North American World Congress November 13-18, 2004 Portland, OR Biotransformation of 14C-Iabeled Fluorotelomer substances by microorganisms from activated sludge or soil.

Katherine E.

AH M f- * >: A LEGEND Plattevitle Well O St.

ff 12 M ay 2006 C O RECEIVED OPPI CRIC mm\% & Andrea V.

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