Document XL0L54evZ93Jw77yMpdMQrvx

`EXY8eRESnEARCH "Fron Res. - 22671933 - Analytical Report a 3M Company Analysis of PFOA and PFOS in Water Samples from Cottage Grove - Municipality E04-0910 Exygen Report No. L0004153 Revised ---- ee a Testing Laboratory Exygen Ressarch - --_-- 3058 Research Drive State College, PA 16801 Requester a ManagerG,arEnyvAi.roHnomheenntaslteOipnerations EHS Operations - StB.ui3PlMadiunC,goM4m2Np.a25n65y.12076 - - - .- - pastors iomma, yo4 - a - 1 Introduction - IpHnthoiosrhervosoofndfr3eMspvoCroitmrpooeasn(iuyPrs.RaOTSooh)reeirpnopoworatrettcdewrfasosaarrmthpielnsaensalreyosoiusspshodefadtptaerttfoEeirxryoagoqecfuniesaatn5oeirrcearqniucoedmsaat(tePodFbnlOyRn)Cadaornyd < mroavkieomn.inorchangesto the 1axtof tho ropa.Analytical resuswerenatchanged i ie TanhaloyEtensgqeunparonjcttiortetmhbeaseartmapselseidsg,ne o thesamplesfsLOGD41S3. Tao | iststhotarget Tab .TargetAnafobrQufanteiatson - `Parameter Acromm Eomula Perfiuorooctancic acid PFOA CiF1sCOOH a Perflioroactanesuifonate PROS CFSOM - 2 Sample Recelpt L . Fhoprotryr-otqohureesseitsnaaotmfaprSclMhei,smwaeoelnrtdeAsra.emcpalivsewdearteExayngaeznoIdn.500AmcLopwyhiotfeapllasstaimcnpalrerloowg-mmouothmboatiteso. nAt a Tsahmpslaemspwioorsewsoorree erceofiivgeodroatnedf12o3m0t1i0m4.TofheescaomplueslwaenrdesstippodambientviaUPS. Tha 3 Methods -AnalayndtPriepcaraatolry - 3.1 Water SamplePreparation W`aFSosorhtdyepmdhaiwsteohsex5mtorfLatchoieofwnaa4t(e0SrP%Es)amwmaapllshouawsnaoesd600a%npwrsaoltpeaarrrowdtathsoeha.waTCtyheroSscPaamEtcpialdregtsrnfiwdogares,LaTOhMdScaMwrSitrnaind&aglewywisiaossf. - u1s0i0n%gdmleetchaonsoplr.ayLACpoMrSiMonS.oftheextractwas transferredtoautosamplervials2ndamazed 3.2 SampleAnalbyyLCs/Mi S/s MS - sInraoHtuiggahhPyrapeishqsauuisrceeipLhniaqtsueeicdchCvohormonamiaotgrorgiarpaehpihy0c(toHhlPeuLmCnu).,daBmnaaaslebidqeouponhttoahfseeeax,tfrhiaoncationsfianjheeecstaerdneattnaidenpefadosfrosred3 - racezors - /5 _--_ - v - ' . . - j" a charasctcorraomaournstfoof nmaa.b Flo8wingHPaL0Csep0arratgion,cmosmspseproeck.olmetyoprovsiwdreeis a nnatp,d artesspurs axtacdsant. fragmaennddteteecdte,d. The ionscharacteristic of the comp aro eobusen rved das nd SAanmHePIx10Dcsystoefcm latnasd 0anAvpled Bosyiom"sAP4000wasusedtoana ho a2 Isom.orsx1 epauramtiom cnowans.cbTsrieneudmusionghgrGaodmeerroonepiegeh aTShoogmnovFihcoegfhoarssaaFnP, 50 The loving gradntvas paromed NMeebblloorPrhaass(ooA: aBnoihtrAa: mmAcetoonWnater iame &&2 io 2 =&8 = hfio]o &2 3= 18.0 65 3 oolongparametersvero edforcorton hamassspacer: RTaoroaysmiads CNeasctaia Transitions Monitored 413-5369 (PFOA),499->80 (PFOS), GSas Tenmparaituyro 4T3105o5uC3m7a0 ("C-PFOA) 4 Analysis 4.1 Calibration Apo carat civwasanayzed ayand tought teanaical socuana for VSaPaaFnsOdmAol1,0St0PP0FEdnOgSoo.arscn(podcpat*rh)CsfpoPosrFraOL.dAG.UfMTosriShnsMagacSmaIpallnineobasrlr,ayrtsTioiohspnp.osorCsianoltiinsbwrmeaitriesopTnrfseotpsvaapnroadenasdireadnstva0,r, e2cb5pe,r5es0Bp,aosr1ce0ad05,pu2scs5ian0na,ug5ist0oh0ne, aanedsCoffcon ofGoom(4i)venrsdasotminnad Acubcoans&tacriopbioie n2 irw aAnaceCn Fortheresultsreportedhere,calibrationcriteriaweremet.Thecalicburvresaarte iincloudned aaasors TT ------------ a 42 Surrogates - saGmpPlFoOcoAnitsauinseerdsabsorassturhrobgoatoteosrwtehreewsaetnetrtsoatmhpalfeis.fo"rsCamPpFlOinAgw.aIsahddeiedl1,0 tbhhoetelmeptsy. " wersfiled 0.2volumetric il inewihthesample. 5GPFOArecoveriescanb found nAtachmentB, - 43 Laboratory Control Spikes aoasfbsoPreFasOtsAom,re"ytcCho.onPdtFarocOlcAsi,praiacnkysd.iPnTFthOheSe altnoaalrayabltooararltsyoerotywnroeiraegpseprnletkp.oasrLmeudbsatysabhcoicwonorgnotcrokolvnaosaipwohnkstecbsoaanortceewnoUtrasrnea7tdyi00o.n 1W3i0t%tohretahccdepattaabilserreajnecgtee.d.Forth fasutsreported hare,the laboratoryControlspkesworo. or 44 FieldMatrix Spikes " weAlroowaadnddehdtigohmthaorexmspptiysawmapslpercoopnatariondefrosrbeefvoerryewtahteebrostalmepslweeirnotsheenftiktlo. tChoamfpioeludnfdosr " W`sseharomuepllwdisnigh.ioMwatthrriaexcscpeckpetsaobalbrevaortueawsnoegard,n7o0ix0ca-ose3pst0osa%sss.mFteoatrhdtoihdnaeScracoucsrtualocsyr6eonpfotiretemrdeahpeotrrt.,.Tthhoemmaatrrixx sspplikkeess " 45 SampleRelatedComments " Athlewsaatmeprlsearmepsulletsswionrtscaoclehcmteedni5tn.duplicate. Duplicatesampleresultsar reported long wih - 5 Data Summary - IPlnepaarstesspeeerAbtialoch(megnmt)foorrPaFdOeaAlaenddisPiFngOoS.fth analytcalresuls,Tharesullsare reported - 6 StatoefmAcecurnacty - aBnaaslaydtioanlarcecusruascyoffolrabPoFraOtSorayncodnPtFroOlAsrpekseusl,sfios dm3a0t%r.ixsApikles,sandussurprkoegoarlegecsopaivkeertss,atonhde all PROSfiedmatix spkerecovweerroiwietisn tis range. Al PFOA field marx spko TocovariesWere withinthisrangewith 4 oxceplons. - The PFOArecover orsamploCG-W5-208506 High Spikawas65%. The PFOArecovery forsamp CG-3-208807LowSpikewas206% - The PFOArecoveryforsampleCG-W7-201127 High Spikewas56% - + The PFOA recoveryforsampleCG-W10-191504HighSpkewas65% Pacesors - - 1[1Lhlefchiebcaiseos hnteonmoookmgatrihisiopnkgshow everybtwn 70 an 190%. 7 Data/SampleRetention A v Dominion epdear snreSoire onor 3 an 1 vou, To cope5 a `Sampleswillberetumedto 3MCorporation60daysafterfinalreporting. All electrdoatnaiics `archivedonretrievablemedia andhardcopyreportsarestoredindatafoldersmaintainedby - 8 Attachments 71 Atscmont AnaiatFosuts oo 72 AtachSmpoeRencovterysOs:ta - 75 AtachhaimnofeGisnt CFo:rm ET -- " 9 Signatures . e>rrr LopED s "CL] Soi ary eo Pst Le -- W/os . - a F-- " /8 - Section A -- ` Exygen RESEARCH PreFcirsovReenseRaersculhs. - CEA ` Summary of PFOA and PFOS in Water Samples E04-0910 Analyte Found (ng/mL) u Exygen ID Sample ID C8 Acid PFOA PortuorooctanicAcid C8 Sulfonate PFOS Portuorooctanesulfonate o 141532 CG-W6-201238 Dup e ND os NNOD e a L4153-5 CG-We-165602 ND ND L41536 CG-W9-165602 Oup ND NO 4153-9. CGWS-208806 ND NO ` 4153-10 CG-W5-208806 Dup ND NO LL44115533--1134 CGC-GW-3W-32-02808808707Dup NNOD NNDD a L415347 CG-W7-201227 NO ND L4153-18 CG-W7-201227 Dup NO ND 4153-21 CG-WB-110464 NO ND " 1L441155332225 CG-CWG-EW-1111-0645560444D,up NNOO ND ND 4153-26 CG-W11-655844 Dup. ND NO L4153.29 CG-W10-191504 ND ND " LL44115533::3330 CGC-GW-1W02-1-92109808409Dup NNDD ND ND 4153-34 CG-W2-208809 Dup ND ND . L4163-37 CG-W1-208808 NO ND L415338 CG-W1-208808 Dup NO ND La153.41 Trip Blank-CG. ND NO a ND =Notdetecied ator above0.025ngimi. - NQ = `NQoutanqiuiatnattiofni(aLbOl=Ge)Mwehaiscuhreisd0c.o0n5c0enntgr/amtLi.onbetween0.025 ngimL. andtheLimitof - - - - 0Si5teSCeoslgrec,h PeA 16801, USA - I;Ee881n142c473o21m0135060 Section B "` E u a a a a a " - a RESn EARCH ProPcroRveesnRearechs Field Matrix Spike Recovery Summary for PFOAand PFOS in Water 04-0910 me Tron RrFatnCaacmioaupnrtOA Sola| sample. RacovrsdRecovery A Fo<u8ndsuAlmfoounntaFtOSe InSame RecordRecovery TEWrE1s5a8 LtowySe or | wows we | wo ome we CG5W86230Hgi1ghS2p2e sow sm ows | ow sm ow COwWss,-teLo5tw8Syp1ik2e or | wows we | No om ow CGaWrose-stmHeaisgpheaspcikze s | ow se ow | ow ose om CGWeEst.20Lo0tw8Se0k)6e or | wm ome we | wow iz CGWe5s1-2285H05i0tgh8yS0p6e s | m sz es | wo am ow CGeWss3e.2s0Loo0wp0Sep0)t7 or | wom aw | wom wm 0.atWes3t.soi2sgsh0oSk9pi7ke s | om ss ow | ow sw Catwrs-2e0Lo1tw2pSp2ik7e oi | Ww em us | x ame ue Coawes7a0-,255i05g1sh2lSp2i7ke sy om 2s sm | ow sm ws COeWsaEsA110L0op4wSy6pi4ke or [moms ow |ow omm ow CpOrMaEbsAt1Hei0gvh4gS8pi4ke sow ss on | oo se ow CWwh1115..081 50L5opw9yp4ik4e or | WL ows ws | x om wm asw sans.si oHniSgoht Spike sw am om | wo en ws CON6I33O1-011po9Lo1spw9Sp0ik6e or | mw ome wo | we oms ws COaMeIs0.4H9iSg1hp6Sei0k4a s | ow sm es | ww se qs 42n2e0tp0Loo0swSs0pei8ke or | wo ow ws | om em ow CGeWes2sn2s0oHm8isg8phuS0epi9ke s | ow as iw | wo se om GE1n.2010L0osw0pSep0)ik8e or | Wo oom w | wo ome me Cawes1e,.o2Hn0isg0ohSe8pi9ke s | ow sm 2 ow sm ows TipBeslsa0n1pLknoa.wsCSepOk 01 | No oem om | mo ows ws TipBlank.CG High Spk 183-35 Sp s no ame no 518 103 a N0O =QNkuoutidmteitetaa1s03c)swothuoevtenro0603c0o3rpcrinnoc.a.tnbeeen 0.05rgdnd he iitof - S50E58RRTesceh Dareru,sa E o00m29n1H i3210 Y` E - . . PM - . . A . " . o tiehRESnEARCH `Surrogate Spike Recovery Summaryfor *C-PFOA in Water E04-0810 rTBner osthe, amr pin a tfhee eremre Cowemmn os oss ws UdWEiE Cwoeenaihmitehmo.e,: oo8f omoimm in is r WawEeETs oScwt EoweEswRnsn,. o8ofs uoommre ian LwSde1E53nh.N9 SSoM(CImGn-SW5uN-e20Is68T06e,., oB00f5 omo0m .5m47 mo1W0wm9 WRiimiEis ooohomwmsaim,rc o00F oouwme m GwGw415E3nhm-R16 SCSOM-Wow3mI.20iwR88e0E7mnHigt,hmSpk o05G 0f5 m0ooo.4mmm86 57 ioWmm aGmGEREaEh S SScamom nwneEraoRIe,t go8Bfs moMoWmm oo & lHriiiEmncEsne CSJhchuooiwnsneimsoeewotA e, B oo2ss oooomame 1m i GrGwiEEmeRRas wNcoEomimEvem,nA oB ofs pooSmmA 1on io pWWwlEEmieNSas SomcotomewsEmmEtueinont,t. S00C1s oookRm 1 In hGWwiESEsN CoLwcimomwEieoasm,eis,ma Boo0fs omomomm. mo ie WWwEEaEEn TIeeEswSica.n Bb gs IEomBSx NE56.iEm, R,r,vn `encom