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-JR PRODUCTS DEPARTMENT -*a m b e r s w o r k s W.

Section I - Nylon-Teflon 7 - 2- August 31, 1981 ^ezz4rH55 C.

3M Medical Department Study: T-6295.4 Analytical Report: FACT TOX-002 LRN-U2121 Study Title 104-Week Dietary Chronic Toxicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) in Rats (Covance Study No.: 6329-183) Analytical Laboratory Report Title Determination of the Presence and Concentration of Perfluorooctanesulfonate (PFOS) in Liver and Serum Specimens of Crl:CD(SD) IGS BR Rats Exposed to Perfluorooctane Sulfonic Acid Potassium Salt (PFOS T-6295) Data Requirement Not Applicable Author 3M Environmental Laboratory Study Completion Date At signing Performing Laboratories Liver and Serum Analyses 3M Environmental Laboratory Building 2-3E-09, 935 Bush Avenue St.

3 FLUOROCHEMICAL SUBMISSION 2001 Click a Month back to year menu TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE November December

16^ BESTG t* ^ p-6 -i$ RECEIVED f u : M AR 1 9 1930 Enhanced Elimination of\FC-95- - 3M TOXICOLOGY and 14 FC-143- C in Rats with Cholestyramine Treatment March 5, 1980 Conducted at : During: Conducted by: Report b y : Riker Laboratories, Inc.

Internal Correspondence cc: James Boyd - Chemolite 116-1 Eileen Fasbender - 116-1 F.

( \ m r O M lj BIODEGRADATION (BOD) TEST SUBSTANCE Identity: Perfluorooctanoic acid; may also be referred to as PFOA, FC- 26, or FX-1001.

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CAS Number 24448-09-7 3M Company -fir& & Voluntary Use and Exposure Information Profile N-methyl perfluorooctanesulfonamido ethanol I.

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PERSONAL AND CONFIDENTIAL AR226-1981 O.

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AR226-2071 4 S' 258508 ,,, Processed!