AR226-2324 / Charles J Zarzecki 04/03/2003 01:34PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article Q Cathie, I think they are really not 2separate issues- Part of the work is to look at future (raiment issues, and part of the work is to develop the required input parameters for c8 for the TOXCHEM model, which will be used to estimate c8 emissions from the wastewater treatment tanks.

G LP10-01-02; Interim Report 17 Analysis of P FBS, P FH S , and P FO S in Groundwater 1st Quarter Sampling - 2011 GLP10-01-02: Interim Report 17 - Analysis of PFBS.

3M 3M ENVIRONMENTAL LABORATORY PROJECT E05-0210; INTERIM REPORT #20 Interim Report #20: Analysis of Water Samples from Northern Alabama Potable Water Systems, February 2006 Study Title A n a lysis o f Per flu o r o b u ta n e s u lfo n a te (PFBS), Pe r flu o r o h e x a n e s u lfo n a te (PFHS), AND PERFLUOROOCTANESULFONATE (PFOS) IN WATER, SOIL, SEDIMENT, FISH, C la m s , V e g e t a t io n , S m all Ma m m a l Liver a n d S m all Ma m m a l S erum Usin g LC/MS/MS for the 3M Decatur Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Susan T.

Attachment to Letter to C.

Attachments to Letter to C.

\f vasr ntrA AUEnpnvoitinerdeoynSmtaetnetsal Protection flRl%-COOO A<C1no7dm03Pm}uubnhiecaAtilofsnirs*, SdaeaSem, Environm ental News FOR RELEASE: TUESDAY, MAY 16,2000 Following negotiations between EPA and 3M, the company today announced that it will voluntarily phase out and End substitutes for pcrfluorooctanyl sulfonate (PFOS) chemistry used to produce a range of products, ipppnolecartlnesuinssdtttiieonanlgpltyhsinaopsmotehseeeooueaftnrtvaihnsirekdoirntdomSeheveouentmltco*hpahgnsaauhvrbedesaaltliitntshuetrtsaoe.nsnd3gbMtytheeyndeedaanetravn'scisryueopnntopdmlafieeocndcrtuttohomveEueplrPartAothedeiiunnlcodthniicouganmtteeoardnfmttahh.neaEditrPtahiAnneivsmsoeulacvplheptediosmrsptuisrcoeatdshluseacnactdrose.mcvopeuarlyndy's eliminat"eTdo,daanyd'sppuhbaliscehoeuatlathnnaonudntcheemeennvtirboyn3mMenwt willilelnbseurperothteacttfeudt,u"rseaeidxpEoPsAureAtdomthineissetrcahtoemr CicaarloslwMil,lBbreowner.

Katherine E.

CXR Biosciences Ltd.

3M General Offices 3M Center St.

y \ / U U . 06SI Life Cycle Waste Stream Estimates \j\JW August 2000 Ac3eChnMytattciartlmacleechadtWened"ruaiSfizssauetecalftanuSonrntediraxneetegaescmdtauinmtPEidevasretstfeiulmsuptuhoapmertleoymfscl"cuha,hroeydamriaonoitccefhfadaaelcsmAri:elpiipctUrioaiel.lrsSt2c.pa1oRnr,nede2tpel0faenr0raot0esmod.efbETppyrshootetBidemonauatbtctitjteaeellucl-eswtaivM1age9sete9.eom7fsoPtthrraeiiraastlmw1In:sosfrLtrkioitfuwmet-aebsototh huueEoFsonnifstrwdatiwsimvetme,aravatsaoiatetltpeeakrees,bescrin3auailMnitstwtotsytorauhhmospeeatfpxeseralpreyimnepmaarcnoiilpnhedrylitantemeiricmcnenieazfdefllaonaeutdrctciseaioeteldtnnicartgo.ismweiingnsSaseneeseaaeitrcsnfervuoidicanrnstaet3gdirnsvM,ejteuaatmh,smdmewgpaavmrnaoneorurueptslfunfotaoamtcrcfsctta3teurosusMerefr.iltinieaIn'egnsnsgsspptauolhrrormnoeoecdcpay1uuette9siiscaeoo9strd7nnssissmtdsseaiauupwnlbeberaoossstreuovedfvtqeistegtmuhhhrueeiaeeprnlnetgrpsteestrotsnooapegn1err9dcaa9ttmhsi7o.a,.ns pmcsrceptfmTsFiherntuuoxhrrihouseoonrlnpuoteumfcrldeacectyoeelhorwlulcttennclmuuhsltcylautyaaesryetrssetlsidssdsadeehvtsi.isaonerdssnode.todfbPawetTsspwleh"igttFymexohsruPahtrsOurepaehdatoFifiagscsecdaSilwsOmeeu,cgrhtatisuoopeeSttmsi,iihmesrqmuhttoorPtseeauloswunupdtcqFntiticlhovoamutatOoabt.hrealsiuthfeytaSvelmTiareysvotsraefnheoneiphietlosscstehletoarld,h(asienhysmitsn.ealonhrat,)nssepreevpfTt"rodlPsrchbbereu.hoiteoFieipsaomsiodlbleOsfrio"rtudenmetruohPgeSeceesiccarFniipstgenchnhtaonoOcraaaeadntaodtrnhliSmrdedt"nmidtyestfwhaadiesrpefprtecrfeeeciqoieeeialclortnwceursamleaebnsiidstitdtnedeetvaeaii-tmsituonsdaotcagd.eepanglsaeheecrdlPrsscgittanooeFabhhcoromtp"ldraaOasanseef"nedtlpaSralwCgtiasPotikhs.iisstruF8imneiesaulondRFsOltdmdsaonde1paet.Ssofshpthlq7soiwiaetnuououSafiItnnoemrntienn0tovedhnsds2cppalete.udeyaoiltroprllteiszofmIfogonrslhenodtuoencphypnuttsoerflhoedhtaiceaesrhberototnctmceoaaeettctiaas,tonldlnahsyiyrlreynsibseyisaenasntumoinsdcoacsmtoxiyeethhisphPaycnfg,parnealFPtrotttaadlhiOFsrdttodeteheOuunSapecdtSoyoityo.irfnatnre 3 Final Report Sulfonated Perfluorochemicals: U.S.

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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.

I ZI-b RECEIVED OPPTNCIC 2003APR30 PM * 5 2 FLUORINATED SURFACTANTS IN FIRE FIGHTING FOAMS: ANY INPUT FOR WATER MIST TECHNOLOGY Martial PABON, PhD DuPont de Nemours (France) Chantereine, Mantes le Ville F-78202 Mantes la Jolie Cedex ZONYI/ .1 ORAI AC- !

3M Corporate Toxicology a id Regulatory Services 3M Center, Building 0220-02-E-02 St.

RECEIVED OPPT NCIC 2003DEC 17 AHII: 01 t i r IS^ fG < O S ) Du Pont H uman Resources W ilm ington, Delaw are 1989 cc: A J .