: 331SpectayMteras rSomeite AR296_ S12 3M "VIA HAND DELIVERY July 9, 2003 Document Control Office (7407M) ODfofcikceeotfARP-o2ll2u6tion Prevention and Toxics (OPPT) `EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 Phone: 202-564-8930 Attention: ODPPTock No.eAR-t 226 I' 82 om a) [Xt =z o2m8 @ Re: Information on Perfluorooctane Sulfonate, Perfluorooctanoic Acid, and Related Compounds Dear Sir or Madam: `This continues 3M's voluntary submissionsofdata on perfluorooctane sulfonate (PFOS), perfluorooctanoic acid (PFOA), and related compounds, as part ofour ongoing dialogue with EPA regarding perfluorochemicals.

WATER SOLUBILITY PART RIA8 CCOONTTAARIR NONr Ca TEST SUBSTANCE Identity: rNe-fmeertrheyditpoerafsluNo-rMooecFiOanSeEsAullcfoohroalm,idFoCe-t7h9a0n,olo;r mFMa-y3a9l2s5o,be(1hOecpttaandeescuafllounoarmoi-dNe-(,2-Nh-ymdertohxyyelt-h1y,l1y.,2C,2A,S3,#3244,444,85.-,059,.67.)86..87.,87 Remarks: 3MaMtelroitanluims baenrof5f0-5w.hitPeu,riwtayxiynfsoorlmida.tioSnamwpalseowtasretcaokrednedf.rom METHOD: Method followed: TMh.eCoVmesittohc-Cko,mJs.tFoicskhtReecsh.niBqouea,rdG.CaDn..Ve3i2t,h 1a8n4d9V.

BIODEGRADATION TEST SUBSTANCE Identity: Nre-fmeertrheydltpoerafsluNo-rMooecFtOanSeEsAullcfoohnoalm,idFoCe-t7h9a0n,olo;r mFaM-y3a9l2s5o.be(1Octanesulfonamide, N-methyi-1,1,2,2.3.34,4,5,5,6,6,7,7,8.8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material number is an were off-white, waxy not recorded.

STABILITY IN WATER (HYDROLYSIS) TEST SUBSTANCE Identity: N2-(N-methylperfluorooctanesulfonamido)-ethyl acrylate; may also be referred to as N-MeFOSEA, or MeFOSEA. (2-Propenoic acid, 2- [I(heptadecafluorooctyl)sulfonyllmethylaminoethyl ester, CAS # 25268-77-3) Remarks: Material is an amber, waxy solid, coded THAR3F2.

AR 226-0455 oe wa : JAN 171980 AbsoArfptteironaoSfinFgCl-e14O3r-al'%Doignemacs December 28, 1979 Conducted at: During: Conducted by: Report by: Reviewed by: SRuibkseirdiLaarbyoroaftorIies, Inc.

none .

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE ARI 0510 Identity: P21es1r6Pf,lFuFOoCr-Ao1o2ac6mt,amnFooCni-ci1ua6cm9i,ds,aolr`t,aFmACm-mo1mn4o3in.umi(usOamclttp;aenmrofaiiycuoaarcloisodoc,tbaencraetfee,rrFedC-to pentadecafluoro-, ammonium salt, CAS # 3825-26-1) Remarks: 3M production lot number 390.

3M Chemicals S3tMPCaueln,teMrN 55144-1000 612733 1110 AR 226 _ 0624 am December 21, 1998 Mr.

20 7 Ssaomen ifOo T ounLamanoCuSEPAVSGEPA -- Co voneuietySos LocoAIDGISEPAVS onGITZO00 PH TL"CCharssAue am TToo gomalCemeRty@GusadEupePntcAom .

AR 226 _ 088I ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IEST~ S ~U ~ BSTANC0 G 0E 00 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-787 or FC787X. (1-Octanesulfonic acid) (CAS # 2795-39-3).

* "NorthwestBioanalytical R`eSptourdty NNoo..

Wildlife International, Ltd. ie Pret Number 6541011 'NON-GLP STUDY: DETERMINATION OF THE SOLUBILITY OF PFOS IN WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Remarks: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE alcohol. (1-Octanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 1691-99-2).

BACK TO MAIN VAPOR PRESSURE 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 3M production lot number was not noted.

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