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AR 226 _ O743 ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBS" ANCE Identity: A mixturecontainingperfluorooctanesulfonate; may also be referred to as PFOS, FC-95, oras a component of FC-203C a1,n1d,2L,-25,434,03.,4,(41,-5O,c5t,a6n6e,s7u,l7f,o8,n8i,c8a-chiedp,tadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: sample is The 3M production lot number FC-203C and is referred to by the was not noted.

Daniel Baugh Institute Department of Anatomy Office of the Director and Chairman JEFFERSON MEDICAL COLLEGE of THOMAS JEFFERSON UNIVERSITY December 7, 1983 p -j Philadelphia, (215) 19107 928-7820 Mr.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203CE. (1OGtanesulfonicacid)(CAS # 2795-39-3).

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AR 226-082 MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5uo,roorocatsanaesculfoonmatep, woohfinFchC-em2a0ny6CatEl.so be (1- Octanesulfonic acid) (CAS # 2795-39-3).

m HASKELL LABORATORY AR226-3377 Common Name: Ammonium Perfluorononanoate Chemical Name: Nonanoic acid, heptadecafluoro-, ammonium salt CAS Registry No.: 4149-60-4 Chemical Structure: 0 CF3 - (CF2)7 - C - 0"^IH4 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-hourTWA) General Toxicjty Ammonium perfluorononanoate (C-9) has moderate acute oral toxicity with an LD50 in rats of 407 mg/kg C------Bf 1984).