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MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component of FC-203CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR 226 -- 0745 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIAMAGNA) JESTSUBSTANCE Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFOS, FC-95, or as a component of FC-203C `1a,n1d,2L,-25,434,03.,4,(41,-5O,c5t,a6n,6e,s7u.l7f,o8n,i8c,8a-chiedp,tadecafiuoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot numberwas 501.

BACK TO MAIN TOXICITY TO AQUATIC INVERTABRATES (Artemia sp) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder of uncharacterized purity.

ARY26-02M0 =oir ER 7 MECHANISM OF TOXICITY OF A UNIQUE PESTICIDE * = ETHYLPERFLUOROOCTANE SULFONAMIDE (NEPFOS), NEB.

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AR226 - 09/5 BIODEGRADATION (BOD/COD) TEST SUBSTANCE eerste -- Identity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9lu5o,rooorcatsanaescuolmfopnoanteen,twhoifcFhX-m3a1y04a.lso(1b-e Octanesulfonic acid) (CAS # 2795-39-3).

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AR226-2355 A F^y FCoM: ) (JlJPOIGDu)Pont Engineering j Andrew S.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredtoas PFOS, FC-95, oras a component ofFC-206C and 81-2/8.(1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The testsample isFC-206C.

acute Oral Toxicity Screen vith 7-3066c0c in Albino Rats // ECE au5390,1557) Keon "4, Sh J \% y V4 - Experiment No: Conducted at: Dates Conducted: Conducted By: ose1amoLds SRStia.kfeerPtayuLlBa,bvoaMrliauntsomtreiisoenosr,aLabInocr.atory April 2, 1981 to May 14, 1981 0 Fame "fs ASK.tduvdaD.ynceOD'diMraTelcoltxeoiyr,e'olBoSgtat Date Reviewed By: ' PR X. 2. moans 7wico0..

ACUTE TOXICITY TO FISH ARIEO3F6 TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride;mayalso be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,88-heptadecafluoro-, CAS # 30735-7).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) I TEST e SUBSc TANCEiouesaNcE Identity: rPeefrefrlrueodrotoocatsanPeFsOulSfAoAny,laFmCi-d1o(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of [F(Ch-e1p2t7ad,ecFaCf-l1u2or9o,ocFtCy-l)1s0u9l,foonrylFlC--,1p0o8t-aXs.si(uGmlyscailnte, ,CNA-Set#hy2l9-9N1- 51-7) Remarks: laboratory as The test E2566-2.