y lK S _ 0 2 6 MICROBIOS MICROTOX TO XIC ITY TEST TEST SUBSTANCE______________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603F. (1Octanesulfonic acid) (CAS # 2795-39-3).

<eo st^i nT ___ FYI-0900`/3 7 g UNITED STATES ENVIRONMENTAL PROTECTION AGENCY w * IS WASHINGTON, D.C. 20460 AR2.2.6 - oex<\ iV / ^ ;>(c September 5, 2000 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES 3M Company, Inc.

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A R 2 2 -0 ia -)3 ' ACUTE TO XICITY TO AQUATIC INVERTEBRATES (E.G..DAPHNIA) TEST SUBSTANCE___________________________________________ __ Identity: Perfluorooctanesulfonate, Lithium salt; may also be referred to as PFOS Li salt, FC-94, or FC-94-X. (1-Octanesulfonic acid, CAS # 29457-72-5) Rem arks: The test sample is a mixture of the test substance in water (approximately 24.5% test substance and 75.5% water).

AR Two Year Oral (Diet) Toxicity / Carcinogenicitv Study of Fluorochemical FM-3924 in Rats Riker Experiment No. 0281CR0012 Review by Dr William H Butler At the request of 3M Corporate Toxicology, Thave reviewed the above study with specific regard to the evidence of carcinogenicity of FM-3924.

AR226-1030A007 BACK TO MAIN Study Title Solubility Study of Perfluorooctanesulfonate (PFOS), SD-018 and Perfluorooctanesulfonamide (FOSA), SE-027 in Male/Female Human Urine Data Requirement 40 CFR 160.105(b) Author Mark E.

06/15/2000 ENVIRONMENTAL LABORATORY ARCHIVED FINAL REPORT B A C K TO MAIN AR226-1030A029 LAB REQUEST NO.

BACK TO MAIN Laboratory Report-Revision 1 Analytical Report of Data for PFOS Dietary LC50 Study in Northern Bobwhite (Sera and Liver) Laboratory Report No.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive ^ Phone: (814) 231-8032 State College, PA 16801 www.centrelab.com Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Decatur, Alabama (W1979) Centre Analytical Laboratory Report No. 023-007B (Revision 1) Revision Date 3/20/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

TECHNICAL REPORT SUMMARY BACK TO MAIN D a tu 8/25/81 TO: TECHNICAL COMMUNICATIONS CENTER - 201-2CN (lnil>nrt;int I f report sprinted on both sides o f paper, send two copies to TCC.)

BACK TO MAIN PHOTODEGRADATION (AQUEOUS DIRECT) TEST SUBSTANCE________________ Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, or FM-3925. (1-Octanesulfonamide, N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is an off-white, waxy solid.

BACK TO MAIN The complete titles of the reports reviewed by Dr.

BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) of Perfluorooctane Sulfonate (PFOS) I.

BACK TO MAIN 3M Environmental Laboratory Report No.