Proven Results.

Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 St.

A R X & 'O o i CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Company / 4/27/2000 l Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

A P 3 -2 6 -O IH Study Title Static Acute Toxicity of FX 3820 to the Daphnid, Daphnia aacna Authors Timothy J.

418-011: PAGE F-1 M W rO Z rt FINAL PILOT REPORT Study Title Oral (Gavage) Dosage-Range Developmental Toxicity Study of N-EtFOSE in Rats Sponsor's Study Number: T-6316.7 Author Raymond G.

A R f t S -0331 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS #4151-50-2) Remarks: Material is a white solid, lot 505 (cc842-3, F6309, L-1089).

ARiW-0350 BIOCONCENTRATION 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.e.TJ.S.S.S-heptadecafluoro-N-^-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

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ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Physical/Chemical Properties Impinger Studies of Volatility of FC-95 and FC-143 3M Environmental Lab Characterization Study of PFOA: (LOT #332), Primary Standard-Test Control Reference #TCR-99030-030.

BACK TO MAIN Centre Analytical Laboratories.

BACK TO MAIN 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.

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ARm-oM3l i C O R N IN G Hazleton MUTAGENICITY TEST ON T-6564 MEASURING CHROMOSOMAL ABERRATIONS IN CHINESE HAMSTER OVARY (CHO) CELLS: WITH A CONFIRMATORY ASSAY WITH MULTIPLE HARVESTS FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

AR A S - 0 7 & O MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY TEST) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).