- Attachments to Letter to C.

3M Environmental Laboratory Final Report- Analytical Study Single-Dose Dermal Absorption/ToixnicRiatbybiSttsudy of T-6067, T-6068 and T-6069 +- In-Vivo Study Reference Number: HWI#6329-152 Study Number: AMDT-011095.1 Test Substance: L-13492 (T-6067, T-6068 and T-6069) Name and Address of Sponsor: 3M SCD Division S3t6. 7PGaurlo,vMe NStre5e5t106 Name and Address of Testing Facilit3yM: Environmental Technology & Services .

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cL AR 226 - 0928 CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Compan/y 1 Revised: 7/2000 Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

BACK TO MAIN BIODEGRADATION (Acclimated Activated Sludge and Sediment Cultures) 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: The test substance is a white powder.

ACUTE CONTACT TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) 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 field: The 3M production lot number was 217.

A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey Southern Research Institute Study ID: 9921.5 April 22,2003 Final Report on A Pharmacokinetic Study of Potassium Perfluorohexanesulfonate in the Cynomolgus Monkey To: 3M Corporation P.O.

Kathrrhw E.R e d , Ph.D.

AR226-2198 Chris E Shoop 08/28/2001 04:10 PM To: cc: Subject Stephen J Gissy/AE/DuPont@DuPont ' Karl G Kronberg/ABDuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont Emissions Modeling for Permit Applications Steve, Karl, Bob, and I feel that we will need to have modeling data for the applications we plan to submit or have already submitted Tor FP, PEP, and PFA.

AR226-2267 A .

AR226-2524 ro DuPont Engineering Bariey Mill Plaza-BIdg. 27 4417 Lancaster Pike Wilmington, DE 19805 November 8,2004 DavidP.Waudns West Virginia Department of Environmental Protection J^-'^^Jj Division of Water Resources 1201 Greenbrier Street NOV 1C 2004 Charleston, West Virginia 25311-1088 3Q04 Residential Sampling Results, West Virginia and Ohio BY:_____...

AR226-2567 1 N OF To; From; TE R PICE MEMO Mr.

TRADE SECRET AR226-3167 DuPont-4725 Study Title H-24516: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4725 AUTHOR: Robert A.

3M ENVIRONMENTALLABORATORY PROJECT05-0210: INTERIMREPORT#20 Interim Report #20: Analysis of Water Samples from Northern Alabama Potable Water Systems, February 2006 Study Title ANALYSISOF PERFLUOROBUTANESULFO(PNFABTSE), PERFLUOROHEXANESULFONATE (PFHS), AND PERFLUOROOCTANESULFONATE(PFOS) IN WATER, SOIL, SEDIMENT, FISH, CLAMS, VEGETATION, SMALL MAMMALIVERAND SMALL MAMMALSERUM USING LC/MS/MS FOR THE 3M DECATURMONITORINGPROGRAM Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Susan T.