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ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referretdoas PFOS, FC-95,oras a component ofFC-203A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR23-03W SOIL ADSORPTION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or 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: Material is an off-white, waxy solid of uncharacterized purity.

/IR33S-OIS6 28 Day Percutaneous Absorption Study with FC-99 in Albino Rabbits Experiment No Conducted At: Dates Conducted: Conducted By: 0979AB0633 Safety Evaluation Laboratory Riker Laboratories, Inc.

SUBMITTED BY: PREPARED BY: APPROVED BY: ARm-0503 E G & G, Bionomics Aquatic Toxicology Laboratory 790 Main Street Wareham, Massachusetts June, 1978 Brenda F.

CCHHRROONNIICC TTOOXXIICCIITTYY TTOO FFIISSHH TTEESSTTSSUUBBSSTTAANNCCEE _ IIddeennttiittyy:: 7PP8ee.rr0ff3llu,uooPrrooFooOcctAtaannaoomiicmc oaacnciiidd,u, maammsmamloto,nnAiiumummmossnaaliltt;u; mmmaapyyeraaflllssuooorbboeeocrrteeaffneecrrrareteded,ttooPFaaOss, 7F8C-.0131,6,PFFOC-A12a6m,mFoC-n1iu6m9,soarlt,FCA-m14m3o.ni(uOmctpaencrfilucoarcoiod,ctanoate, PFO, FppeeCnn-t1taa1dd6eec, caFafClfluu-o1or2roo6--,,, FaaCmm-m1mo6o9nn,iiuoumrmFssCaaloltt1,,4CC3.AASS(O##ct33a88n22o55i-c-22a66-c-1i1d)), TRRheeemmatarerskktsss::ampTTlehheeis33FMMC-pp1rr4oo3dd.uucctTtiihooenn tlloeotsttnniuungmmblbeaebrrorwwaaatssor88y33,r.efers to it as 78.03".

AR 226 _ 0796 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1- Octanesulfonic acid) (CAS # 2795-39-3).

yz AR 226 -- 0825 J BIODEGRADATION (BOD/COD) IESTSUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonic acid, 1,12,2,3,3,4.4,6,5,6,6.7,7.8,8.8heptadecafluoro-, potassium salt, CAS# 2795-39-3) Remarks: The 3M production lot number was not noted.

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Bio/dynamics Inc.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

f'I<-- nt CfmlPt Mv s - o ^ i Extern and Route of Excretion and Tissue.

PFOA and Associated Salts Environmental Fate and Transport Title Technical Report Sum m ary - Assessm ent of the Bioaccum ulative Properties o f Ammonium Perfluorooctanate: Static (fish test) Laboratory or Author 3M Env.

M SLZ6 _ 07jUt- ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).