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/)R 6 _ 0-713 BIODEGRADATION (OECD 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-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE_________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity: The limited water solubility of this material prohibited a definitive determination of the aquatic toxicity.

/q (U 0 6 -0 4 & 5 RECEIVED Oral Teratology Study of T-3141CoC in Rabbits iYVir\r\ I S' ^ WUw'U Experiment No. : Conducted At: Dosing Period: Study Director: 0681TBG398 Safety Evaluation laboratory Riker laboratories, Inc.

A R .& & 6 _ O S O H - A C U T E T O X IC IT Y TO F IS H (M U M M IC H O G ) T E S T S U B S T A N C E ____________________________________________________ Id en tity: A mixture containing perfluorooctanesulfonate; m ay also be referred to as P F O S , FC-95, or as a com ponent of FC-206C and 81-2/8. (1-O ctanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) R em arks: The 3M production lot number w as not noted.

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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.

m HASKELL LABORATORY AR226-3377 Common Name: Ammonium Perfluorononanoate Chemical Name: Nonanoic acid, heptadecafluoro-, ammonium salt CAS Registry N o.: 4149-60-4 Chemical Structure: O II cCF3 - (CF2)7 - - 0 `+NH4 Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Specific Gravity: Vapor Pressure: Conversion Factors: White, dusty powder; Detergent-Like Odor 481 Sublimes Bulk Density (Loose) = 0.49 kg/L Recommended AEL 0.01 mg/m3 (8-hour TWA) General Toxicity Ammonium perfluorononanoate (C-9) has moderate acute oral toxicity with an LD50 in rats o f 407 mg/kg 0 1984).

R a .6 _ 0 7 5 5 MICROBIOS M ICROTOX 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-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

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mm-onaBESTCOPY AVAIlABLE Ji:i 1lillSON Ml OK ' : o n i . m o u vs j i : 11tn; l R E C E IV E D Daniel Baugh Institute of Anatomy Department o f Anatomy Offiee o f the Director and Chairman mC5& ..

0750 ACUTE TO XIC ITY TO FISH TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

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-206C and 81-2/8. (1-Octanesulfonicadd, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was not noted.

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HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE cc: G.