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3M General Offices >p 3M March 17, 2000 3M Center St.

Dynax Corporation 29, Hemlock Hill Road Poun^ Ridge, NY 10576 Tel 914 764 0202 Fax 914 764 0553 Ad S.&& . 0612 dynax August 2, 2000 .

PFOS Presentation to CMA, June 19,2000 Charles M.

3M ENVIRONMENTAL LABORATORY REPORT NO.

MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE______________________ _____________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95 or as part of the mixed product FM-3820 (see Remarks). (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 sample is FM-3820, a mixture of the test substance in diethylene glycol butyl ether and water (approximately 24-28% test substance in diethylene glycol butyl ether and water).

Submitted to; rC -tZ -% AR:O-02i?

i / )R O X -O I3 3 C O R N IN G Hazleton MUTAGENICITY TEST ON / T-6357 \^ \A IN AN IN VIVO MOUSE MICRONUCLEUS ASSAY FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

HAZLETON l a b o r a t o r ie s AMERICA, in c .

I /4RX&-01W IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY'S COMPOUND T-3727 F inal Report March 1985 By!

Pathology and Toxicology Riker Laboratories, Inc.

Corning Hazleton Inc.

AR U 6 '03% VAPOR PRESSURE TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethylI.I^.S.S^AS.S.e.ejJ.S.S.S-heptadecafluoro-N-^-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is a white waxy solid.

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