Pathology and Toxicology Riker Laboratories, Inc.

A R a .a -6 - 0 9 \ & ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

z-s nev 13 7* p E5T**USOi3Z E . 1. d u P o n t d e N e m o u r s & C o m p a n y IN C O H ^O R A fC D W i l m i n g t o n , D e l a w a r e 19898 POLYMER PRODUCTS DEPARTMENT experimental station ANALYTICAL REPORT PERSONAL AND CONFIDENTIAL cc: A.

Z - 7 REV. 1-80 d n w t) Hi tt|WO* ESfAlSHEDieO E .

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.

AR226-3374 m HASKELL LABORATORY Common Name: Ammonium Perfluorooctanoate (C-8) Chemical Name: Octanoic acid, pentadecafluoro-, ammonium salt CAS Registry No.: 3825-26-1 Chemical Structure: O D cc f 3 - c f 2 - c f 2- c f 2- c f 2- c f 2- c f 2 - - o -+n h 4 Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Density: White powder 431 Sublimes @ 110C Recommended AEL 0.01 mg/m3 (8-hour TWA), skin General Toxicity Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg 1981b).

VlR. - 0 7 3 / BIODEGRADATION (301 E) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203A or of FC-203 NFP. (1-Octanesulfonic acid) (CAS # 2795-39-3).

SECTION IV - P PAGE P-7-32 OP P-7-40 TEFLON* POLYMERS DIVISION CATALOG OP CHEMICALS ~4/Z.2.Z6r /S&S April 10, 1981 70: .TEFLON PRODUCTION, TECHNICAL, MECHANICAL SUPERVISION '77"".*.

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BACK TO MAIN ACTIVATED SLUDGE RESPIRATION INHIBITION 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, FC-109-X, FC-4351, or L-6778.

AR226-2797 Du Font HLR 150-88 POP DO FONT OSB ONLY Study Title IN VmO^IOCOMPATAHLITY-EVALUAKOy____________________ WITH IMR-90 HUMAN DIPLOID FIBROBLASTS IN THE OTT COLORIMETRIC ASSAY" Author Ralph G.

Oral Rangefinder Study of T-2999Coc in Pregnant Rabbits Experiment No.: Conducted At: Dosing Period: Study Director: 0680PZ.0019 Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acmeatyatael;sobe referretdoas PFOSAA, FC-128 oras the major component of FC-127,FC-129,FC-109,orFC-109-X.

M D fil Acute Ocular Irritation Test with T-3421 in Albino Rabbits 'i-- \ Experiment No.: 0883EB028 6 Conducted At: Safety Evaluation Laboratory Riker Laboratories, Inc.

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