re ar +1. 5L PonT pre bE NEmoURS & Company nies PanxePn.sOs.uBnoeWx,.12V1a7. 28102 AR226 _ 133] co: HTaizmaortdhoyusT.WeLsatrea/wGaryound Water Branch WY Division of Water Resources C1h2a01rleGsrteoenn,briWeWr 2S5t3r1e1et CERTIFIED MAIL - RETURN RECEIPT REQUESTED MHra.zaSrtdoeupshenWasR.te WMaasnsaegresumge,nt DiDrievcitsoiron USS.

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AR126-0 595 ACTIVATED SLUDGE RESPIRATION INHIBITION I TESTE SUBSS TANT CE ~S ~U ~ BSTANGE Identity: PPeFrOflAuoarmoomcotnaniouimc ascailtd,, Aammmmoonniiuumm psaelrtf;lmuoaryooacltsaonobaeter,efPeFrrOe,d FtoC-as. +11a6m,mFoCn-i1u26m,sFalCt-,1C6A9,So#r3F8C2-51-4236.-1()Octanoic acid, pentadecafiuoro- R14e3m.arIkt'ss :puritTyhweas3Mnoptrsoudfufcitciieonntllyotchnaurmabcteerriwzaeds,3t7h.ouTghhectuersrtesntamipnlfoermisatFiCo-n ainnddiCcastpeesriftliusoaromiaxntaulroegoufe9c6o.5mp-o1u0n0d%s.test substance and 0 -- 3.5% Ce, Cr, wMEETTWHOODD: Methods: Protocol Reference EAR, 11/8/79.

AR R26 -- 0752 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuolfmopnaotne,ewnohtficFhC-m2a0y3CaEl.so b(1eOctanesulfonic acid) (CAS # 2795-39-3).

AR226-2065 WASHINGTON WORKS INDUSTRIAL HYOIENE REPORT FROM 'l-Jan-1988 TO 31-0ct-1991 AREA; FLUOROCARBONS - HOMOPOLYMERS 31-0ct-1991 Page I CHEMICAL SAMPLE LOCATION *sCONTROL C-8/FC-143 11%.

AR 226 _ O743 ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBS" ANCE Identity: A mixturecontainingperfluorooctanesulfonate; may also be referred to as PFOS, FC-95, oras a component of FC-203C a1,n1d,2L,-25,434,03.,4,(41,-5O,c5t,a6n6e,s7u,l7f,o8,n8i,c8a-chiedp,tadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: sample is The 3M production lot number FC-203C and is referred to by the was not noted.

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Experiment No.: Conducted At: Dates Conducted: Conducted By: Acute Ocular Irritation Test with T-3608 in Albino Rabbits 0984ES0367 Pathology and Toxicology Riker Laboratories, Inc.

InternCaolrrespondence dc: M.

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I /4RX&-01W IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF 3M COMPANY'S COMPOUND T-3727 F inal Report March 1985 By!

Internal Correspondence To: From: Subject: Date: COMMERCIAL CHEMICALS ANALYTICAL REPORT #346 E.

BIODEGRADATION TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid.

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.

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