AR226-2801 DuPont-3381 TRADE SECRET Study Title H-24215: Static, Acute, 96-Hour LC50 to Rainbow Trout, Oncorhynchus mykiss Laboratory Project ID: DuPont-3381 Test Guidelines: U.S.

WASHINGTON WORKS Teflon Polymer Division PERSONAL AND CONFIDENTIAL OTO: W.

3M intemal Correspondence TO: FROM: SUBJECT: DATE: SM.

KARST INFLUENCE IN THE CREATION OF A PFC MEGAPLUME VMiinrngeisnoitaaDYeipnargtlmienngt of Health, 625 Robert Src .

tPpiaoAynEdsstpSoanyn, ARQ6-0259 TWO YEAR ORAL (DIET) TOXICITY / CARCINOGENICITY STUDY OF FLUOROCHEMICAL FM-3924 IN RATS (RIKER Experiment No. 0281CR0012) Conducted During April, 1981 - - May, 1983 Volume 3 of RIKER Laboratories, Inc. / 3M Company St.

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Section I - Nylon-Teflo -2- August 31, 1981 C.

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

WATER SOLUBILITY (BY ANALYSIS OF TOC) TEST SUBSTANCE IdentityP:erfluorooctanesulfflounoyrlidmea;y alsobe referrteodas POSF, or FX-8. (1-Octanesulfonyflluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafClAuSor#o-3,0735-7).

Special lans Or&l Toratology Study of T-2999CoC in Rats Experiment No,: Conducted At: Dosing Period: Stu4y Director: 0680TROO20 Safety Evaluation Laboratory Riker Laboratories,, Inc.

Experiment ]No.: Conducted At: Dates Conducted: Conducted By: Reviewed By: Acute Oral Toxicity Screen with T-3493 in Albino Rats 0884AR0010 FFLC131l@00 1984 Safety Evaluation Laboratory Riker Laboratories, Inc.

oral Toratology Study of T-314ICoC in Rabbits RECE!

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

BACK TO MAIN 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE October 1987-October 2005 C lick on Study Title to V iew R eport PFOA Perfluorooctanoate 1.

A fO O irW jL BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, or FC-143.