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AR226-3376 HASKELL LABORATORY Common Name: Ammonium Perfluorooctanoate (C-8) Chemical Name: Octanoic add, pentadecafluoro-, ammonium salt CAS Registry No.: 3825-26-1 Chemical Structure: 0 Physical Properties: CFa - CFz - CFz - CFz - CF2 - CFz - CFz - C- 0-^4 Form: Molecular Weight: Boiling Point: Melting Point: Density: White powder 431 Sublimes @110C Drinking Water Guideline (CEGw) lug/L General Toxicity Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg|b----Ul981b).

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ACUTE TOXICITY TO FISH (RAINBOW TROUT) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate, DEA salt; may also be referred to as PFOS DEA salt, FC-99, or 3M Sample No. 2. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, compd. with 2,2'-iminobis[ethanol] (1:1), CAS # 70225-14-8) Remarks: Test sample is a mixture of the test substance in water (approximately 25% test substance and 75% water).

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AR 226 . 0689 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSn,g pFeCr-f9iu5o,roorocatsanaescuolmfopnoanteen,twhoifcFhC-m2a0y1.al(s1o-be Octanesulfonic acid, (CAS #2795-39-3) perfiuoroalkyl sulfonate salts (5) + (5140F)) Remarks: is FC-201.

InternatioRneaslearcahndDevelopmenCtorporation SPOLNSOR: TEST -M&TERI-kL: SUBJECT: 3M Company (D Fluorad Fluorochemical Surfactant FC-95 Acute Oral Toxicity (LD50) Study in Rats.

Submitted to: BIOSEARCH, INC.

/IR tf -O 1 BIODEGRADATION (BOD/COD/TOC) 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.

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

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AR22-OSOM ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.