BACK TO MAIN BIOCONCENTRATION (PARTITION COEFFICIENT) 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.

NOTICE: The information provided to the agency contains information that 3M voluntarily has submitted as part of our continuing discussions with the EPA regarding fluorochemistry.

ARaie-ocm PROTOCOL DETERMINATION OF THE VAPOR PRESSURE OF PFOS USING THE SPINNING ROTOR GAUGE METHOD OECD Guideline for Testing of Chemicals, 104 Vapor Pressure Curve 3M Lab Request No.

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^ 036-0537 TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE Identity: Perfluorooctylsulfonate, didecyldimethylammonium salt; may also be referred to as Fluoroalkyl ammonium derivative. [1Decaminium, N-decyl-N,N-dimethyl-, salt with 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1octanesulfonic acid (1:1), CAS # 251099-16-8] Remarks: The 3M production lot number was Lot 1.

AR ff.s.6_ OGSG POSF Ongoing- ( 000279 06/22/00 T-7098.1 POSFPK PHARMACOKINETIC STUDY OF POSF IN RATS - STUDY OUTLINE Study Objective: The objective o f this study is to assess the potential for oral absorption, urinary and fecal clearance and biological persistence o f perfluorooctane sulfonyl fluoride (POSF) in male Sprague Dawley rats after a single oral dose.

"/\fL S l.olG -- D & 3> ACUTE TO XICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

4 fU Z G _0 7 0 5 r MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TEST SUBSTANCE______________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-201F. (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.

4R & S- 09th7 mo Oh < Telomer Research Program Update and Status Report Presented to U.S.

FINAL REPORT /t 3 2 -o ?

- & 995 TSCA NCIC Notification Form for CB!

LDDa.iVrre.rcMyto.R,rP. hJo.Dh.n,sDonABT September 19, 2001 C3MorpMoerdaticeaTloDxeicpoalrotgmy ent received OPPT CBIC - o te 3P66SlrM55Otj.11oPhBC77nao33eusx3n3ol,tn3e9M1@r327,21N7mB2830um5OFi5lmadf1xf.i3icnc3oge-m30222200-02-E-02 U4CDAOW1ESfto0tafcnRisEcu:MhTenmiInSvoFSegiefnrIttcorEoTtteninDPoeom,trxn,oDMiecSc8nCeAW(tSesaI2us)lLi0bCPn4sgrot6oao0Ctnrecedcenitnsitoeanrto(Ar74g0e7n)cy 2001SEP 26 AM: 55 SeHQ'09o(-msx3 RPeer:flTuoSrCoAbut8a(nee)sSuUlfBonSyTlAFNluToIrAidLe:RCIASKS#N3O75T-I7C2E-4(SUPPLEMENTAL) ON: Dear Sir: fr3drksinnelecaMneusshryuoooueasrwrehlllo/tivanwandstetos.eie(dwoxTce(PniebokPScrByn)siBCe.ttdSytuSAwhuFAdFaeciy8ntt)athneesiai(midesnlTnSloxaaSurctlnlaeCbi2sdotavss8aArteetmey-aaxldd.snt8pa.atecolnyTioasCelShierlnumlueedciRrpbnoeiftitseinutossctoa.nktaarxtPcnlaNiTdBtttcsiioihooiaSiotsgetlnyFneinacRsmswleienio,xewosahfckhdsbeah4iasrNlrba7teaeeein,rotptdivoeitoo1siabdc3m6nrtste0i2ceeos,lordtaJindvunfunaiaedilandlctdyyceab4atdlewa1i7oamt9sS9itrni9telogehypr9pufny)popstisemnreeaacmrnnttiofhhdd(nlbni6uehseihshonarienirrslsx2soeaatt/ep8tuobdrin,orpouaaotstanty2uatwt,ao0hnrtco5ixe0oetuxih0slactoiu)enic.gltdifyitocyhinasalydnl ot fic3nolModrtuPhhsBiatnrsSgiaFe,ls.ahtn3aydMbglliioesuhncsaeeeldspePraxaBwhcSatoiuFcrsektsspa:vlfaesecnuleytpipleaalxsitiepaodonssaiudtierruerrleiilmnismgpitiicertahd(ta8oirn-rghytiernprgTmr.oWetdeAcia)titoeonfw,0ic.t1hhemtmhgei/cmfaol3llpo(r0wo.t0ien0cg8tivpepm) =r*o <^> Please contact me at 651.733-9218, for further information.

ft HcKG -- I 6 6 LABORATORY-SCALE THERMAL DEGRADATION OF PERFLUOROOCTANYL SULFONATE AND RELATED SUBSTANCES TEST SUBSTANCE________________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or C8F i7S0 3'K+. (1-Octanesulfonic 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).

AR226-1397 (snauw um E.