BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC116, FC-126, FC-169, or FC-143.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

AR16-0375 estsvestnee ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3.34,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #307- 35-7).

AR 226 _ 0922 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twohficFhX-m3a1y06a.ls(o1-be Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

4r.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor 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: Materialisan off-whitew,axy solidofuncharacterizedpurity:The limitedwater solubiliotfythismaterialprohibiteda definitive determinationofthe aquatictoxicity.

IN VITRO MICROBIOLOGICAL MUTAGENICITY OF 3M COMPANY'S COMPOUND T-3727 ASSAYS Final Report arch 1985 m By: Kathleen Moto, Midr6biologist Microbial Genetics Department and Edward S.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaaytea;lso be referredtoas PFOSAA, FC-128 oras themajor component of FC-1 27, FC-129, FC-1 09,or FC-109-X.

PaW~ and lbtcoiogy RikerLaborntorkmI6nc.

InternalCorrespondence cc* A.

EFFECT OF DEGRADATION TEST SUBSTANCE ON FOAMING Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfoniacid)(CAS # 2795-39-3).

18 VITvE VeICR.OBTOCLOoGErCAoL M1I-T3A60C5BVLCITY ASSATS ac-- September 1984 oO, THiTteraueiaeGrefnietelic,siiDetpbarc(meeT5notR)iet ant a | A FTeaH rrrainY SGeencettollircseeReDseeptoacretnatsnDt TFcEe ------ e3e4 ceeoupapfnyaarceens,ntoH Center pen Sel Acteation: TBmLlcoHenCoonraSicpkectatss -- SKI Project 150-3145 Approved by: teoomn 3GeonerrtieelsaaDnesp,usiDaierencttor [so7fn 9o.lReitao, DfirrectSorT Ton sna Laboratory 4i.

#826 - 0711 BIODEGRADATION (301E) JESTSUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfopnoanteen,twhoficFhC-m2a0y3.al(s1o-be Octanesulfonic acid) (CAS # 2795-393).

Tm en _ . + E. 1. ou Pont oe NEMOURS & COMPANY CENTRAWLIRLEMSIENAGRTCOHN&,DDEVEELLAOWPAMRENET1D9E8P9A8RTMENT.