.

: #R226 _ 081 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5uo,roorocatsanaescuolmfopnoanteen,twhoifcFhC-m3a0y31a,lso(1b-e Octanesulfonic acid) (CAS # 2795-3-3).

CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas 78.03,PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC-1 16,FC-126, FC-169, or FC-143.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).

A R Z 2 6 'G > Z & International Research and Development Corporation SPONSOR: COMPOUND: SUBJECT: 3M Company FM-3422 Ninety Day Subacute Rat Toxicity Study.

BACK TO MAIN Centre Analytical Laboratories.

ftFU%-OHL BIOSEARCH, INC. p.o. box 8598 Philadelphia, Pennsylvania !

flRUG'OHSO PHOTODEGRADATION 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.

AR226-2868 Copies to: E. 1. du Font de N e m o r s and Company Haskell Laboratory for Toxicology and Industrial Medicine HASKELL LABORATORY REPORT HO. 58-78 Material Tested -J Haskell Ho. 11,890 Sample Ready for Testing 12/2/77 3Other Codes j - Material Submitted bv "^Textile Fibers Department Seaford, Delaware 96-HOUR LC502 TO ULUEGILL SUKFISK Procedure: The test material, in original form, was introduced into all-glass exposure vessels and diluted with laboratory supply TOter fd^yleld tKedesiredcohcentrations in a 7.5 final volume.

1975 Using a preconcentiation method and NMR, Guy and Taves report presence of organic fluorine compounds in blood bank blood from around the country (average concentration about 0.03 ppm OF, which corresponds to about 45 ppb PFOS).

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iterattice corresponsence SI IL wer Bo) Davis RE22E0-E12e6 REE "J.

Copies to: AR226-2752 E.

Copies to: E I. du Font de Nemours and Company Haskell Labt .atory for Toxicology and Industrial Madicine HASKELL LABORATORY REPORT NO. 960-76 MR NO.

AR326-00059 Synthesis and Characterization of FC-95- 14, November 2, 1979 Conducted at: Commercial Chemicals Division and Riker Laboratories, Inc. 3M St.