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: CFs - CF2 - CF2 - CF2 - CF2 - CF2 - 0 0 CF2 - C - 0-+NH4 Physical Properties: Form: Molecular Weight: Boiling Point: Melting Point: Density: Recommended AEL 0.01 mg/m3 (8-hour TWA), skin General Toxicity White powder 431 Sublimes @ 110C ---- ----- Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg A----Jlll981b).

STUDY SUMMARY FOR WORK PERFORMED DURING 1977-1979 TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-126, FC-169, or FC-143.

Interoffice Ei3rrespandenCE 3cwm~ Subject November 14, 1974 irc: H.

BIODEGRADATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as 1N,-1E,t2.F2O3S,3E.4A,l4c.o5h,o5l,6o,r6F,M7,-73,482,28.,8-(h1e-ptOacdteacnaefsluulofroon-Na-m(i2d-eh,ydNr-oextyheytlh-yl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

AR226-1979 S /S>/IC^<Sf^t^H<sl^ ^n^fe^^ " ftfe-ft ftn/ pa^p^f s/f^a/^ ^^//ee.^ ^/- ^ ^f}S~/fl ^}iffw^ hi^li ^T-rf- /e^e-/S ^^ ^.

AR226-2089 TA3LE 1 HAXIMIH4 1-ER, S-'dR A-\1) AKKUAL HEAM C-8 COKCENTRA'n :ONS 0V ES TE tIV YEAS (1973-:1977) PERIOD OiF RECORD AT SL2:CTED .

InternatioRneaslearcahndDevelopmenCtorporation SPONSOR: COMPOUND: SUBJECT: 3M Company FluoradO Fluorochemical FC-143 Ninety Day Subacute Rat Toxicity Study.

BIODEGRADATION FFiEs=3 TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred t1o,1a,s2,P2,F3O,3S,4N,H4,,5",5s,a6l,t 6o,r7,F7C,-89,38.,8-(h1e-pOtacdteacnaefsluulcfroon-i,caamcimdo, nium salt, CAS # 29081-56-9) Remarks: The test sample is a mixture of the test substance in isopropanol and water (25% test substance, 20% isopropanol, 55% water).

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity: PreefrefrlrueodrotoocatsanPeFsOuSlfAoAn,ylFamCi-d1o2e8thoyr)aacsetthaetem;ajmoarycoalmspoobneent of F[(Ch-e1p2t7ad,ecFaCf-i1uo2r9o,ocFtCy-l)1s0u9l,foonrylFlC--,1p0o9t-aXs.si(uGmlyscailnt,e,CNA-Sst#hy2l9-N9-1517) aRemmiaxrtukrse:of 8T6h%etteessttssuabmsptlaencies FaCn-d12184.

BIODEGRADATION (BOD/COD) AR R26 -- 0777 Identity: A mixture containing perfluorooctanesulfonate, which `may also be referred to as PFOS, FC-95, or as a `component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: PreefrefrlrueodrotoocatsanPeFsuOlSfAonAy,laFmCi-do1(2e8thoyr)aascetthaetem;ajmoarycoalmspoobneent of F[(Ch-e1p2t7ad,ecFaCf-i1uo2r9o,ocFtCy-l)1s0u9l,foonrylFlC--,1p09o-tXa.ssi(uGmlyscailnt,e,CNA-Set#hy2l9-9N-1- 51-7) aRemmiaxtrukrse:of 8T6h%etteessttssuabmsptlaencies FaCn-d12184.

AR226-0499 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: P26e,rfolrucFrXo-o1c0t0a1n.oic(Oaccitda;nomiacyacailds,opbeentraedfeecrarfeldutooroa-s, PCFAOSA,#3F3C5-- 67-1) Rt'esmpaurriktsy:was3nMotpsruofdfuicciteinotnlylocthanruamcbteerriz2e6d9,.thTohueghtesctursraemnptlienifsormFaCt-i2o6n. iannddicCastepseriftilsuoaromihxotmuoreloogfu8e6.c5o-mp1o0u0n%dst.est substance and 0 - 3.5% Ce, Cr, METHOD: TMyepteh:od:Static Nacouttneoted.

ARQ26- 0722 ACUTE TOXICITY TO FISH (RAINBOW TROUT) IESTSUBSTANCE Identity: A mixturecontainingperfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

oo Transparency No.l = L226- C=-8 LNG reol the Eo B3MET AFi on 1t9h7e9 Ze, Gregan woe mdiatad at Washington Weta.

La AR R26 -- 0800 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST JESTSUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).