MUG-O M 3 OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

M z t 1 S' Spreading of Aqueous Solutions of a Mixture of Fluoro- and Hydrocarbon Surfactants on Liquid Hydrocarbon Substrates1 c.

FOR DU PONT USE ONLY REVISED COPY AR226-2754 E .

AR226-2930 FOR DU PONT USE ONLY HLR 415-85 HASKELL LABORATORY REPORT NO. 415-85 Title of Report STATIC ACUTE 96-H0U.

A R &S.6 _ O W BIODEGRADATION (BOD/COD) T E S T SU BSTAN CE___________________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFO S, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (C A S # 2795-39-3).

M <256 _ 0 9 1 3 MICROBIOS MICROTOX TO XICITY TEST 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).

AR ^ 2 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION 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 add) (CAS # 2795-39-3).

AR226-2386 CONFIDENTIAL 5W Polymer Products Department Research and Development Division Experimental Station analytical report .8A iV" si,"0" >* ce: S, C.

Pathology and Toxicology Riker Laboratories, Inc.

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).