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3M Medical Department Study: T6316.5 Analytical Report: FACT TOX-013 LRN-U2095 Study Title Analytical Study 2(N-Ethylperfluorooctane sulfonamido)-ethanol in Two Generation Rat Reproduction Analytical Laboratory Report Title Determination of the Presence and Concentration of PFOS, M556, PFOSAA, and PFOSA in the Liver and PFOS, M556, PFOSAA, PFOSA, and EtFOSE-OH in the Sera of Crt:CD*BR VAF/Plus* Rats Exposed to EtFOSE-OH Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratories Sera Analyses Liver Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

AR226-1030A034 Study Title Microbial Metabolism (Biodegradation) of Perfluorooctane Sulfonate (PFOS) I.

Internal Correspondence de: J.

May 1, 2001 CERTIFIED MAIL Document Processing Center (7407) (Attn: Section 8(e) Coordinator) Office of Toxic Substances US Environmental Protection Agency 401 M Street, SW Washington, DC 20460 Re: TSCA 8(e) NOTICE For: Acute Toxicity Honey Bee Studies on Perfluorooctane Sulfonate, potassium salt, CAS# 2795-39-3 Dear Sir: 3M is submitting the results from recent oral and contact acute toxicity tests performed with 1-octanesulfonic acid, l,1.2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-,potassium salt (CAS No. 2795-39-3) - commonly referred to as PFOS - on honey bees.

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

A im & -0 0 0 7 2 14 Absorption of FC-95- C xn Rats After a Single Oral Dose October 26, 1979 Conducted at: During: Conducted by: Report by: Reviewed by: Riker Laboratories, Inc.

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C orporate O ccupational M edicine 3M Center, Building 220-3W-05 St.

AAA6-0679 MULTI-CITY STUDY FINAL FIELD REPORT FOR COLUMBUS GEORGIA AND PORT ST.

ARH2 6 _ 0 6 3 7 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

ARAZ6 _ 07& 3 ACUTE TOXICITY TO FISH (MUMMICHOG) 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).

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3M REPORT: BIOACCUMUIATION STUDIES -O200- b i t March 8, 1993 UA6-0370 Ca> -p .

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