Pathology and Toxicology Riker Laboratories, Inc.

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).

ARm-om Compound-Specific, Quantitative Characterization of Organic Fluorochemicals in Biological Matrices Kristen J.

Experim ent No.: Conducted At: D ates Conducted: Conducted By: Reviewed By: Primary Skin I r r it a t io n T e st w ith T-3421 in A lbino R abbits 0883EB0288 ARUfe-OatZ V % Safety Evaluation Laboratory Riker L ab o rato ries, Inc.

MICROBICS MICROTOX TO XIC ITY TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M S ik 6 -0 S jS ' ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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 3M production lot number was 628.

<5 ~ c\ l 0 ' t 2-45 R E V 12-79 ilD CC: S.

Internal Correspondence *7ARlTJo-OHtH oaJ To: D.

f Division of Biology and Safety Evaluation PROJECT NO. 81-2571 EMBRYOFETAL TOXICITY AND TERATOGENICITY STUDY 0F| [BY INHALATION IN THE RAT Final Report Submitted to: E.

W A 26- l/J-IO C-8 LEVELS IN DRINKING WATER DISTANCE FROM NO. 5 OUTFALL (KXX.CS ) PPB 1984 1987 1988 PARKERSBURG 7.50 UPSTREAM ND ND WASH WORKS 0.50 UPSTREAM ND ND ND LBECK WATER DISTRICT 0.25 DOWNSTREAM 0.25 DOWNSTREAM 1.1 1.9 1.8 1.5 1.9 1.4 LITTLE HOCKING 3.00 DOWNSTREAM 0.6 ND ND RVENSVOOD 29.0 DOWNSTREAM ND ND = NOT DETECTABLE 10 6 3 5-3 - 03/08/89 - WS C:kit A TTACHMENT 2 000006

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I IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY'S COMPOUND T-2997CoC Final Report January 1981 Prepared for: 3M COMPANY Medical Department General Offices, 3M Center St.

A R 30 - o w a BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, orFC-109-X.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanoic add, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

Internal Correspondence AfttlrO M81 rt V To: P .