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off 3M SKatheerinee. Rneet POD. SIeMeEsavOipreorsnimoemnsal Hoskth 31d AR326_ IHG 9o00a8Fas,t Ave, Bung 5135-331 235.26 681778 4331 nwzoos THQDl0S 00373 884476 Corti Mi nog 03EE nny mE 2 --_ % Oc ofaon Fm Tov RDoocoumme6n4t26Processing Center (Mail Code 7407M) NO TSCA CBI Bedp-4o-27 Attention: TSCA 8(e) Coordinator c - - US. Environmental Protection Agency Cont W1a2s0h1iCnogntsotni,tuDt.ioCn.Av2e0n4u6e0, N. W. Ntaaiin NO cg, Re: FTlSuCorAocSheecmtiicoanls8,(eD)oScukpeptleNmose.ntal Notice: Sulfonate-based and Carboxylic-based Dear Sir: u3oMroischsuebmmiictatilnsg ths notice to supplement its previous submissions on sulfonyl and carboxylic-based Hethure Fl z= 3M has recently receivedthe enclosed analytical report whichpresentsdata from 36 lots of `commercially available normal pooled human serum that were purchasbeyd the 3M Environmental Laboratory and subsequently screened for endogenous fluorochemicals. Each: sample was analyzed tupuhesseriifnnrlggeuplaooirrpqotruowoictdatecsaihnndrepeorsrmeuiaclvtifepoodigntarfatartepiooh(mnyPeFttxeOtacSrnha)dnpieo(qmlCuayetmFeaa1dsn,csSduOsrsypvc)eercesatenarndonemdpdeefstrohrfroyluus(loiLdxrtCobeo/eecMntcSado/ninoMfsifSice)drae.ecrnietMddfu(lacuPohFsroOeofrcAeht)eehnm(eiiCncd;gaaFltq,sau,siapClnriOcetOlsyHued)dntai,enadgin sconehlneyemraainldcyanacolrotersrnoeobcroerwsasetarirevielpyroofrpderpuercveesideonubtsyalt3iyvMer.eopfoItrnhtaeedddgivetanileournea,sltpahoenpdtuoelvraetldisooonsfollteuvreoelrspo.rcehsNeeonmttica"lasllousfbteshpaeotradielotdeTcstkreed information = 1Fyouhave any questions, plese dono esa1 ctonteact Dale L. Baconat 651) 784736. 22 _23 Sincerely, i) is = 25 w o2 SKtaa tVhiecrienDPe.reRseiededn,tPhD a Environmental Technology and Safety Services BEST COPY AVAILABLE (nn e------------e -- Co h -_--_--m--m--m--m--mm--m---- sw EROMEeNTARL LeUsOERAoTOnRY 3M NO TSCA CBI Analytical Report Revised August 12, 2005 Initial Quantitative Obtained in 2004 fSocrrEeenndionggeonfouCosmFmleurocrioaclheLmoitcsalosf HUsuimnagnPrSoetreiunm Precipitation and Liquid Chromatography/Tandem Mass Spectrometry l eee em Laboratoi ry Reques-- t Nruemebrere:-- rEs05-t012-- 0bee-- en Testing Laboratory eee3M--Envi--ro3nM--meEnntv--ailroH--nemaelnt--htaaln--LdabSoa--rfaettyo--rOype--rati--ons ------ . 3M Environmental Laboratory Project Lead Mark E. Ellefson Building 2-36-09" PO Box 3331" Saint Paul, MN 55133-3331 Phone: 651-778-5405 Testing Facility Management Wiliam K. Reagen, Ph.D. Building 2-3E-09 PO Box 3331 Saint Paul, MN 55133-3331 Phone: 651-778-6565 Sr o me-------------------------- Requestor Dale Bacon Building 2-3E-09 PO Box 3331 Saint Paul, MN 55133-3331 Phone: 651-778-4736 Page tors 2 .+ 0EVRONMERNTAE LLANBGSOERoAsTT 0O1R2Y0 3MEnvironmentalLaboratory Analytical Report ProjectNumber: E05-0120 Tpohoelefdohlluomwianngsanearluytmitchaaltrweeporretppruerscehnatsseddabtyafthreom3cMoEmnmveirrcoinamlelnytaavaliLlaabbolreantoorrmyaalnd subsequentlyscreened forendogenous fuorochemicals. Tphriortteyi-nspirxesceippiatraattieolnottsecohfnpioqouleaednndoscrrmeaelnheudfmoarnssiexrteuemn wdeirffeeerxetnrtfacltueodruoschienmgicaals uSsaimnpglleisquwiedrcerehceriveodfmroam vtarioougssmurappsalsiseppresbchettryowme/eetnrt9y/(a9L/0Cn4/aMdnSd/eM1S2m)/.2/0S4e.ruSmamples. were analyzed between 02/03/05 and 02/09/05. (L"TLhiOsQrsan)goe-ffainpdipngsrtuodyxwia1sm0d0ae-st3ig0en0elpdptyto.prUopvoindreelvoiweewrolfimtihtesodaftaq,uainttwiatastdiiosncovered 1t0ha0t-m3a0n0ypofptttheatarrggleeetvaetnla.lyAtsesanwienrteeprrimesseoaltuattiocnoanncednutnrtaitlioanmsomruecdhelfionwietirvtehsatnutdhye (LanObDe)cwoamspdleeftiende,dsfiognraelatcohnaoniasleytrea.tiAosswaerreeseuvlatl,ucataeldaindbarcluiarmvitetsoiwfeodrenteection equxatlriatpyodlaatteatdboebtewdeeetnetrhmeinLeLdOfoQrasnodmtehe=n~aelwytleysdaesfilnoewdaLsO1D9,.9aplplto.wiTnhgsecrreefeoariient,g e`xmtursatpboelaetmepdhcausrivzeesdtahnadstmhouuclhdobfetchoendsai:deprreedsaesnstcerdeienntihnigsrqueaploitrytwdaatsadeornliyv.ed from s`aSmapmplleesriensuwlthsiacrhethseruewmamsdaetreicnitTaabzlbeleaen1da.lyTthe.eSaavemrpalgeevvaalluueesstrheaptowretredereepsrsetsheaantthe limitofdetection werenotincludedintheaveragevaluecalculations.Pleaserefer to Section 5forindivsaimpdleureasulls. Page2018 5 i ---------------------------------- _--_-- Table 1. SumofmPefaluorrinayted Acid Results summRoNENTRAeLeAsOeRATrORY | wen so[es[ow [oman|128|owt[osm col P E EomeA rI T- EET FT ETEeAN SHRE SESRR Vo g | [ [Mt edoiann tow T17o75s05o85][|5276455s |||WnWRRe"[[|0o19e08s24s[[|24a8r50r|]|7o2s66o5r|||wwnawe [[oossseeot[[ei<iooonn]] |_StndardDeviation |2.17 |067 |NR [oss]5.64[ori|ww Tozos | no"| Nuom fSab mple es wr ith DNetDeTctNaobtleDAeneatleydt.eTh ssvosded oy 702 opi aly NR NotR?epor= tepd.eThilsanbaelyetsewasdetected iarseeofith]e365srampelersbutappeaErsetobe 3 cdoyn:taminantor Tabl2e. SummaryofOtherPafucrinatedand HighlyFluorinatedAnalytaResults [ooml | wan[a0e [sen [sem n aos|sos| [M fF eMw edin -- }|<<o0ooonoloonos}ms3e2rs7|||1166o 30||cc<ooeob.Js|o0os0s8t|m|| [Wh Too 0.190 [00ros| 580 | 328| 00 | 0.185| tow [StanFdraarodfcSaDtemvpiilaetsoiwoinnth T| N<o"oJo00s1l 2[0o012o2]10s.758210|2167.11o1||c<N2 o0]1|n000 o2s5ef7|| VD NotDette.Thi a asmodecd nyoe pie NMR data. Peaks were observed in thechromatogramscorresponding to linearand branched idseotmeerrmsinfeodrfPoFrOboStahnadnaPlFytOeAs.aRnedlaarteipvreesberaatnecdhbeedlaonwd(ltinheeahruimsaomnesrerrautimovsawleuree. represents anaverageof %branchedisomers forallof the humanserumsamplesthat containeddetectable levels of eachanalyte). "The %branchedisomer results for individual samarpe pl rese ents ed in Table PFOS(Lot171)and PFOA(Lot 332)were 1a2n.aIlnyzaedddittoigoent,hewrealls-cahmaartacrtiexrsipziekdel ots of (QC05020in3ra-bb0it0se4ru)m. Data fromthatanalysis wasevaluatedfor `branched andlinearisomerdistributionandagreeswellwithpreviously obtained Page 3aris 4 _-- sw ewmOMEi NTALr LAsORk ATORY Table3.Summaryof PFOAandPFOS isomerRatios E RE e = ETERS Ee Ea CRE TR | |WH __autm ixasn oiSke e(u | |am c2o6a %%sv o| | zeoa ss30g w%0eq| | Ses Tw L6252(NMRchiractarzad ng|_|on] Lot 171(NMRcharacterviazleued EERE ECRRSMEY Tabl4e. ReferenceSubstances Lse L DR te Siprlsaa h0)ER oa de (SG. CEE| T toaec ] | vatanboinds |pacino | wa |rom |wax[om | [ontop a | accoace | awe |ronmaworor| sesw| eos | [reuters | a Goact |otis| tren |oe| om | [Tribecd | iA pc | wwe | toa | maw[eon | |retuooscnnenst |sroncincd| ow ___|rovimoowoin [mow| oom | [omietommmicnit| nat |ouvir | tan |mm| om | ([oombtomiomotoa| Clorc |ours| tons |sox| oom | |roto s |cnc |ouverts| tran | seen| oon | [remote s | caso | umd | torsrioun |mem| eon | [rotommentoomie | ms | ow __| rose[moon| 07 | [rotons| voix| [formo [osma| [Cette | ome| ow | romomian| nw| ows | [rEtmEE HE oworss| | svwwi |[towrs [mwaenra || oon wn| o fe om m| o:n] . Pagedof AT ld WENRONMEPNTARL LOAWBoOECRosATaTOrtRsY `Thesamplesforthisstudywereprepared asfollows: 1. Theserumsampleswereallowedtothaw andwarmtoroom temperature. 2. O1n5me mLilslcirlietwe-rcoafpspeerdupmol(yorprwoaptyerleinnetcheenctraisfeuogfe method tube. blanks) wasaddedto a 3. Matixspikes andmethod blankswer preparedbyspikingthescum (or `swuartreorg)awtietthotahlelsanearluymtessaomfplinetse,rceaslti:bIrnataidodnisttiaonnd,a'r'dCsP,mFaOtrAiwxablsaankdsd,eadnads a ``mmeetthhooddbpelrafnokrsmaatnaceconcentrati.onof 3.01ng/mLtoevaluateextraction 4. Ttuwbeosmiwlelrielcitaeprpsoefdaacentdovnoitrrtielxemwiexreeda,dadleldowtoitnghtehseesruemruamupdrtohteecieansttroifuge precipitate. 5. tThheeprteucbiepsitwaetree.centrifigedatiapproximately3000ro for20minutestopellet - 6. Aaftuertreofmoovrvaanilalfayrsoimls.thecentrifige,thesupernatantwastransferredtoan tQuaanndteifmimcaatsisosnpweacstraocmceotmryp.lTishheefdoblylhoiwginhgppearrfaomremtearnscewleirqeuuisdcehdr:omatography Loiqauid ChromatogForaph: Hewlett-Packard Series 1100LiquidChromatograph CAonalluymtinctaelmcpoelrautmu:reK:e3y0stoCne BetasilTMCis2x100mm, Sumparticlesize. SFltoowpTratei: 3200m0.W0Lmeiimnui;tnes Injectionvolume: 5uL. SMolvo entphAba:s2e.i c0ommpMlonaemne mtosn:iumacetateinASTMType Iwater SSoollvveeanttGBr:aHdiPeLatE:Grade Methanot -- - I0me0 a%8 u10s0 2om% 1685500 2o0o% 200 20% Pages ors 6 -------------------- ECE ees-------- rwmT ron mean 50rCose egsive Mass Spectrometer: MDX `Sciex API 4000 Q-Trap Mass Spectrometer Detector Software: AnalysTMt Version 1.4 GS1:35 GS2: 45 EAnnTtarleayinsci.es TPyoctpveeni:tisMautll:oti1np0lPeaRreaamcetieosn Monitoring (MRM) FE H reasesE es sR meoT E wse T [ow ee we]| [onres sso smszoni4mo| r o--T T srmessaIs | aot a F o F nee sTr io me s--i --wmmoaoemwe waamssms soT T |= s m n ||| omar we wes | 4 | l Quanity ee ach analys te, hereei bcyopmroevindo itngegdreeatn etr slcasiotnis victyutrhatn iTnIdCiv)iwduaal Qs3dfon edo 4.1 Calibration 4A 1 Calbatin Cave ia natoesapies, Stok sluons Anextractedcalibrationcurvewas formedbyspikingrabbitserumatprescribed `wereindividuallypreparedfromneat fluorochemicals and diluted in methanol (except PFBA, which was prepared in Milli-Q water to prevent esterificationfrom a wi ric cvs meg 1 occurring). Samples were quantified versus an 8-point extracted calibration curve. ] resorts _ -_-- WEMROWERNTeAcLtLAoBOCRaAsTaOrReYs Calibrationstandardswere within + 20% (25%for the LowerLimitofQuantitation (LLOQ) with 2coefficientofdetermination >0.995. Low-level calibration standards,whichwerenotwithin 25%,werenotincludedinthecalibrationcurve. Calibrationstandardsthatwerenotgreaterthantwicethe methodblankswerenot included in thecalibratcuiroven. 412 ContinuingCalibrationVerification(CCV) AContinuing Calibration Verification (CCV)wasrunatleastonceevery10 swaimtphliens,2br5a%cfkoetrianlglatnhaelsyatemsp.leswiththecalibrationcurve.The CCVrecovery was 413 SystemSuitability | Fivesystem suitabilitystandardswereanalyzedbeforetheinitialcalibrationcurve andafter the lastCCV. These sampieshad area counts with a%RSD of 5% and a retention time%RSDof 2%whenevaluatedindependentlyexceptforthefollowing instances: Severalindividualtransitionsmonitoredforthe CioAcid failedthe retention time sqyusatnetmitsautiitoanboiflitthyecrTiItCer,iwah. iHcohwepavsesre,dthseydstaetmasrueiptoabritleidtwyraesqudierrievmeedntfsr.om the - All ofthe system suitabilitysctsfor FBSA areacounts failed. The %RSDswere - t6h.i2s%an,a7l.y5t%etahnerde8f.o4r%et.hHeodwaetvaewre,snaoccseapmtpelde.shadareacounts above theLLOQfor 414 LowerLimitofQuantit(aLtLiOoQn) `TheLLOQforeachanalytewas equaltothe loweststandardinthe calibrationcurve thatmetaccuracyrequirementsof 75% -125%. 415 LimitofDetection(LOD). `hTahteLwOerDf2o-r3 camcehsaanbaloyvteewthaesmeeqtuhaoldtboltahneka.reacounts(convertedto a concentration) 416 Blanks Method Blanks Allof the methodblanks inthis study hadareacounts < 50% of the LLOQ. MatrixBlanks `Twomatrix blankswerepreparedinrabbitserumandanalyzed withthe samples. Onematrixblank containedendogenouslevelsof PFOSthatwere abovetheLLOQ. Anaverageendogenous valuefor PFOS wasdetermined bysubstituting a number `equal to %theLLOQ for BLK050203-003. PageTof 18 -------------- SMENVIROMER NTALLC ANBOOREAT oTOsRY. Tabl6e. Average Endogenous PFOS Value Determination I emeswmsos| mesos <uoa oam | | "rTehsepsovneserfagoermeenneddooggmeenneoouusslPeFveOlSsvoaflPuF| eOwSaisusreabdobittcssoerresucmt.the at| xspike 417 SolveatBlanks Acetonitrile blankswere analyzedthroughout theanalytical run.Analyteresponsewas ssthan %theLLOQ inallcases 418 Surogate 1``3meaxttPrraiFcxtbOiloAannmkwesat,shaaonddddpemedreaftsohroamdsaubnrlcraeon.gkasAtlaetltosacauolznrlcosegenarterurametsciaoomvnpelroeifse3,s.cw0ae1lrinbegrw/aimttiLhointsonteavna2dl0au%ra.dtse,the 4.2 Laboratory Control Spikes (LCS) Six LaboratoryControlSpikes(LCS) werepreparedin rabbitserumandanalyzed 2 withthe samples.Results werecorrectedfor cadogenouslevelsofanalytein the `matrix (whereapproapndarreipreascatteedbe)lo,w. Table7. Matrix SpikeRecoveries inRabbitSerum br: aHIE BECERNeaOL a deeSsEos REY reacass Tocoummon LLOQ= 3.00nmi. Coomons | am 75s | cuenIm | no | we | Comsemons | mss | ma | sox | rer 1 1 SA au Svansm, lcomcorsozosoe[|s ryso |oa[e es | locosoapeseac0ss | | mir | wm| ox | NA ot Applets Pagetorts q n 3h of gree Tabl7e.Mas SpikeRecoveries nRabiSern cota) aMEmmOMEPNRTACLTLusOERnAoTtOeRsY EE oye 8 - f[oocommomasnoana|| ssom | <cuuobea T | m wa || LoPanAsaCtnHomt |I oOGgmmsaoonrTTrems | cmtieonT | om w | [orTcosoasaoe-- |T ves | sT ez | vamT | To [oowmmson 3m |. <uoa | wa | [owen Tso | cuca | wa | Loass7es2n3o0m. [[oCGoosooemsmmasooasn|T|esvsams | Tw<i#oo0aT1|1eonmxa]]| -- F[asomocmI -- ooo[|sse76wa5| m|s<oueosoaet s||t wm]l can oI was|a am <uoa|--w-- m] UoQsaizngm[|cOoCmHmGaOsN[|Taess T|rieose | | wewn]| [comes| 7s| @m1 | ex | RC eZ| LioascazumTaegm T= oommnan|Taw [a aw em | i [Fooosmmsoos7s3----1 as wos] [ ccosasaoe | 73 ma | om | CRAD [I omen EsTw 5er | ow]| |ocwmsas| 3e0- | am | oo | . LoQmararnome[|eOoCmoasnmoonn|| 775586T | raz a | ioomw || A= otAppian[como| vse | 783 | vom] Pageor18 io a ------ --i------------------ rari aMEWROWES NTALo LSORAr TORY "Tabl7e.MatixSpikeRecoveries aRabbi Serum comansd) EnERI SE oil RE rehF|irEa B z aE le E Ton LT LE RO TLL Howe [oco | sao onm| soasor| [Cocososmsora | sor | sos | tex | [I Cocomensoss| ao--|--ae | wx | [Coc | oas orm| soao m s| [Cocosaovoos| sor | ars |ww | --r + -- --r-- or 1 [oc|os amo s m |aao m n| [Cooosameor|a aoa _| sos | ox| L10a=c0o3e0d3net.[[[oCo coCcsessoOemze amRczonOnss[||T rssmeaa a | | 21m8sa e ||oe=mwv | ||| [oomomzom| aw | ass |wx | PRGA [Cocosoamaom| [Cocosazoss| zee | 2s |ew | ase | aes |ww | Loawomsnom,| OGGooa | [Cocosomacos| tse 76 | m2 | ww | | mea | om | [acusoa[ a00s.|me [mes[ex | rr Tr 1 1 cosmo | am | am | LLoax 003nom | OCostmvoos| res | me | wx | Cocowmvos| res | mr | wees | rr Tr 1 rr 1] [Cocosomsos| Lwoawosmnomt[coos | Cocosmvoos | 300 | 2m | om | se | me | sew| rss | mao | woos | Page100618 IW ee uBwmOmEH ITA AS soToRY Table 7. Matrix Spike Recoveries in Rabbit Serum (continued) EERE SECT he ES0 ! HE RE SE L0a=oPsrressro[m.o|c[ o"oscmoaummmC oeosseT|o rm3gsm--c T =|a ao aosrTeus oy] om ]| F | ccosmsoosr Tr |e mia |s ow |eee] uoa=ostseom.| acoso | res | raz |ex | _r | acosoTr osTeee Teen | . ocoszmnon | am: | se |ow | Uoa=erm nomi|_oommen | rg oe] [CreromcmsewmI meons[ [ma oT | m sT es T |pxT | commis | sa 00 Te] I - = [ocosmmvooTres TpTie | [oc | oves s mm aaTo ies| 12 EE ------------------l Pagetiaris a sue soA RATE ORY Tiavtelies. FOS Mats Spt Racoey in Rai Scum, Comactodr Endep FLElP e ine AOE ERLL TER =a Err os i {co[Cmocmtommnme| sssoosn[|oTamuT[|eowwes || aasms |oT x|on | am | [ocowmmmoes|sos[31| oss [am |ox| [[cCiocmoaa|| rmae||rraes || oowsee || mmas| [weee|| 4.3 Accuracy `Theaccuracyforeachanalyte reportedwascalculated by takingtheaverageofthe `matrix spikerecov forethrati anaelys te.Theresults are presenbetleowd. Table 9. MethodAccuracyforIndiviAndaluyatels: SE Pec 45 [[pCehewwT|oooe|||| oFmehssaa|| acoox || [[eCreasrea || ecmox|||| reorsaas || esomx|| [[opormoog|| [Gioaee | eeamx ars ||| || | prewoss| | Toros| womx em ||| T se ea r[Cmrae ss|TeR mS|S| ToirosS | oe x| nin 4.4 SampleRelatedComments Theextraction andanalysis ofthesamples wasperformed utilizing 2nop-validated `method.Thematrixspikeresults, 'C PFOAsurrogaterecoveries,andthe extrapolatedcalibrationcurve(betweenthe LLOQandLOD)shouldbeconsidered when evaluatingtheaccuracyandprecisionofthesample results. Tables 10 and 11 summarize individualsampledata. 1% Page 20118 Table 10. Parluoinated Acd Results SM ENRONMER NTALeisome aTaoRY SES Ra ets a Ly| DRE Ee wTHg ReToad ERA [[m[RLaoFueseessmeE oT[|aosS s5so%o T[|To"o0g<s0w00[f |awwoa 0ooo|||l <<0oo00n|T|BEo4sssatsB [||ow1L ro82ew1||<I woo000o||["wwoooooo|||a<sciiocooo]|] [[FDmaaseeue1I7"a0To8ln[[accooo0[<wo0o0|[<C<oT000||E 77069 [[T t2as||Cww=oooo[|sYwooS no|| CccToooo]] [[moieems1T4ossts"|0<000 wwoooo[|wwoooo||431%8|2w4ri5||a000||asmooo| soioon]] [[tmessmsTeon acsooT|swooo[[u<s6e0r|5s%s]| ist | woo| woo | too] Pugs 13001 1% -- uEROEITA AsCRTAToORY Table 10. Paruorinatod Acid Rts (continued) re a. Tr 5 Ti PAHS WE ER i TE [nat SC RT a Ee oe ee ae wh roES RR Ban Cae A Tapes [Maeorr=| [meses | 50 ere | 00| op|<00| 6am[ |26[woo[oo|er| woo| <00| oo| <oo| 1s|<oo |<oo |<oo| [assez[aa | [muaesot|<00| on| oo | woo| op[woo[oo| rs|ow | 11s[eww | woo| oo |aoo| <oo |<oo| <oo| [naesos [kssor [0s | soo|me | tor|ass | ss|ao0[woo[woo|see |zes | |zm| oo <oo | | oss |woo ase| <oo | | [a7ooo[334 [uaroos [ate | do | op[woo| amo|tes | <oo | | son[woo | woo|ats |1m | <oo| 00| <o0 | oo| <oo| [esos [<0 | ao | oo | [ukesss| 00| 00 |woo | woo|soa |osm | woo |2m |os | oo| <oo|woo| <oo| osu| oo| [`mkeost| 5% | [Thesso |<io0| aco|woo|wo|s@ | te 400|<oo|<o0|sar|ores |<oo |osm |wow| oo | | <oo| <oo | ~ [ess |oer| [sess| <coo| son| oo| <0o|sas[ores woo|<o0 | oo|2s |ose | oo| | <oo | oo| <oo | <oo| <oo | Minis | oo oo|<on[00[sm[oss|<00| woo|<o0| [Tksoss| [oss | oo| ao0|<oo[woo|ser| 1s |<oo | woo| too | 00 [woo|woo| ems|13s | <oo|woo| soo| oo| [aesro [<0 | too | op | [mu esr2| 00| op|oo| woo|soo | te |<oo| <oo|340 | too | <oo | aco |woo| woo| soo| [unesre=|<top| [unsere| oo| op|<op | woo|<oo | oo|<too[cto woo |am |ose | <oo | |<oo| oo | woo| aoo | soo| [[aasssseesz||<<o000[|d4o0o0|[oooo[|owooo||z14ss| |oossesss||s<0ooo| |dwoooo| | <<ocoo|| [aosos |asa | son|<oo| woo| zoe | oes | <oo | woo | <o0| Pe o eeTamTo) [Tween [35 ast| Wa itetan 333[2s |wx oss [der[12s | osse |4s [too| wa |oem | wa | wa | oem | wa | [hun [Boe goswims[ea&ryt1[toswamdo e|Toao10rbt0ooeem3mlp [[roloepls=miscer 1bp0[ |ot0oatsypotw 5nsi[3obe%w emcs[osiwandon:s [[3oss mcel;||o|| [tow | rae oso | 3s [24s [WA | tor |mo| zes| | wa [oss|oem[ow| wa wa | ose|wa| |ose| wm | fn \ -_-- er ewR eSesoE wron Table 1. Sample Rafo sAdotnai Pefucrinaatnd HighlyFiorinatedAnsiytss RE eee ee ah 4 ro t i sib =5 A (Ee Hii Pon ARR maemo T<0|<oo | 00fam |20| op |ome | [ [w we ee ss tTT7o20o0| s2o00o|tooomme|o arse|r 204|<aooe0T |oooerer]| [wes [Teo T<00| <o0| woo[a7 T7200 | <oo[ocr| 4s | ws |woo|ooew | ves| woo |oon | | [--TwAser [200 |oser | aos |= az | 215 | woo | coer| Heere ees [Tve<or 0| [wer |"<00| woo|oss |oa | sor| 00|oowe| [mess [woo 700 ["<00 [tm | 3s | <oo |oer | . [meow 100|<00[ows[am | Tuer[06 | <o0[ooew| as | | tar| 62 | <o0 | aos | <oo|ooror| [wmToo[400|ose [aoe "won |<00[oot [Tse | ze|<00 | 40 | 22| <o0 | come | |ooeer | [| TaTwmes ssTTT04000[0wo0o| aeammo ||izrm| |aisme| |<<ooo0||oceeer|| [ [e wes eo n T "T7<00[0 60 ||owmea0 dr||s3a0s| |7 wmsa ||<<i0 o0 6 ||oommeerr|| [ [mTeess sTTT7e0000T|o<oop|[o<moe0r||~s3am"|| 2to1r| |<<ooo0||oooowmo|| |_T"w acoA ["e aoos |cow er| [wwe "ao0 | doo["ooms | 4m | 17s| woo|oomr| [oem [wee Soo sor for aw "T"<00| 00| ao0|"2s | aoe ear|"<60 |oor | | [e|swsee sT]o<o 00[|w<oo0o||wwoono| | wresr || vwiess || woooo ||oovoemr|] Page 15ers 16 a emoAsT can ible 1. Sample autoAdore PceriatadrdHighly Flsintnd Analytes (continued) Brdiliat 3 It [Twaems | 00| <o0| oo[ tm | 6s |<oo|oor | [Mean [wa [Mew wa [oom [oases| zr | [oor[omer| sar| tes| wes | Wa |ooew | wa|oon | on | Wa |oir[ooos|sm | me | mw |ors | tow | wa Toostr [om |omo| art| wa |oow | [L T r oR sEmT]nors L Rsoeonor em [oTo | 1:|an | wn[oar| Coon[0 | |= | =[%| o |=| Til 12. mmcRatonfor ialSls TORSR LT i x BE rt ; Ee ib pa = [ nwewo | coma i E LHC cn pe EH | vx| wx | [wew sw | e | reweoms peennn || osx | wx | wes mwmw | Neva | wen | ax | wx | | aes | wx | [ews vse | een | wows [aw[we | | ex| ws | mame wen | wees [ax| ex | | eos | ow | ax | mwas | woe | ex| ex | [rower teem [them [mes [aes tame | tems | | wes [em | ex | | comes | cama | aos | wx | | ex | em | | coma | cweea | aow | ex | | ww | ux | CS ET 1 | ---- -_Lo 0 - anoTnsanpy Tabla 12. lama Ration forict Samples(conte a wai s et -- e w -- L T Te ] ] wTaT n--T ----i ---- a -- e Rweer T e =e = -- a e e = n|| o weemn T m ee e ] -- EO -------- I T r-- ee e -- =Te e -- nT om n RR *Sample valu cae was < A 7 LLOQ mm tod Alloriginalrawdataanid theanalyticalreporthavebeenarchivedatthe 3M reserve samples, as wellasthesamplespertainingtothisprojectarearchivedatthe em ra `Reservesampls,digitalcopiesoforiginaldataandalloriginalpaperdatawill be 70 yes lovin repo ging. retainedinthe archives of 3MEnvironmentalLaboratoryfor a periodofat least `Underthecondiotftiheostnuds y, endogenous fluorochemicwearles found to be presentinall samples. PFHS, PFOS,andTHPFDS weredetectedineverylot of Suprmiwehilde FORws proi Bom Tove mm Csoanmvpelresseulys,inFgBtShAe,prTeHsePaFtOmSe,thaonddoltohgeyC.yaCciPdFwOerAesnuortrodgeatteectreedcoivnearineyos fwetrheeall 18 rn eeeeee -------- eeeee [ I sensu edd ,Project| ales ae -- . o8folr WiliamReagen,LaboratoryManager Date `The 3MEnvironmentalLaboratory's QualityAssuranceUnithas auditedthedataand refoprthoispr rojetct. a `QualityAssurance Representative Dats 4 I --- AUG 12.2005 SIN GUALITY ASSOCIATES 28 01 8.Stgmetwess TUTIUT amos:W0o75no 1 ieee --- o DE ae -- lor i `rThee3fMpxEtahvoiisrpcrruomjeetcntt.slLaboratory's QualityAssurance Unitkas andited the data and NE xs TEAR = RECEIVED TIME AUG. 12. 4:48PM F-- PRINT TIME AVG 12. 4:49M 20