Document p2M8g4Knpk47ny9M4NpN5338a

DownloadRandom document
. wf 3M SKaatlheVriineePEr. eRseeendt. PhD. ISaftEynvOipreornamteionntsal Heath and R226- 3SHT S9u000PBBoluxsMh33NA3v3e1n1u3e,33B3u3i1n 423.25 he co . Bests Centted aan OssEPn a ne LS . August 26, 2005 TEHQ-5039 RDoocoumme6n4t28Processing Center (Mail Code 7407M) NO TSCA CBI UOAtfStf.einctEeinoovfnoi:rlolTnaSmeiCnoAtnaFl(uPv)roeCtomeocirtodiionnnasAtgaoerxnciy s Co E=H -2.-3Y W1a2s0h1iCnognlsotni,tuDt.ioCn.A2ve0n4u6e0, N. W. Ntaiiin NO cg, Re: FTlSuCorAocSheecmtiicoanls8,(cD)oScukpeptleNmoesn.tal Notimcie:sSulfE onate SaE nd CarbToxyslic-basedsr Dear Sir: T3uMorioscshuebmmiictatlisn.g this notice to supplementits previous submissions on sulfonyl and carboxylic-based c3oMmhmaesrcrieacelnltylayvarielcaebilveednotrhmeaelnpclooosleedd ahnualmyatnicaslerruepmortthawthwiecrheppruerscenhtasseddatbayftrhoem33M6 Elontvsiorfonmental Labor using atory and a protein psruebcsipeiqtuaetnitolnytseccrheneinqeude for and esncdroegeennedoufsorfsliuxotreoecnhedmiifcfaelresn.t Each sample wasanalyzed fluorochemicals, including upesrifnlguloirqouoicdtcahnerosmualtfoongartaep(hyP/FtOaSn)d(eCm4mFaSs0s5s)pecatnrdompeetrrfylu(oLrCoo/cMtSa/nMoSic).aciMdu(cPhFoOfAt)h(eCd;aFtsaCpOreOsHe)nt,ed in chothenelmyirceapanoldrstnawortaesnoerdceewrseisrvaereidlpfyrroroedmpurceeexsdtebrnatypaot3liavMte.oedfItcnuhraevddegisetniaeonrnda,lsthphooepululeldvaebtleioocnfolnluseoivedrleo.rcehdNeoamtsiasclclaroelfetrnheipneogrdqteuetadelcisttroyeddata ingfenoerrmaaltliyocnorroborativeofpreviously reported values and/or do not represent "substantial risk" 160 have any questions, lease do not hesitate t contact Dale L. Bacon at (651) 7784736, Sincerely, TE Hokie CR. Katherine D. Reed, PhD SEtnavfifrVoincmeenPtraelsiTdeecnthnology and Safety Services 5 5 = =8 il z BEST COPY AVAILABLE IRE III (a -- eee ---------- > -- 1 -------------------------------------------------- suEnvROmE[NTArL UBiORATdORY 3M NO TSCA CBI Analytical Report Revised August 12, 2005 Initial Quantitative Screening of Commercial Lots of Human Serum `Obtained in 2004 for Endogenous Fluorochemicals Using Protein Precipitation and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Number: E05-0120 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory 3M Environmental Laboratory Project Lead Mark E. Ellefson Building 2-3E-09 PO Box 3331 Saint Paul, MN 55133-3331 Phone: 651-778-5405 Testing Facility Management `William K. Reagen, Ph.D. Building 2-3E-09 PO Box 3331 Saint Paul, MN 55133-3331 Phone: 651-778-6565 Requestor Dale Bacon Building 2-3E-09 PO Box 3331 Saint Paul, MN 55133-3331 Phone: 651-778-4736 Pagetofs 2 --_--_--m-- 3M Environmental Laboratory WM ENVIRONMPERNOTAVLELCNAOTBOERvAToOrReY0 Analytical Report ProjectNumber: E05-0120 The following analytical report presents data from commercially available normal `pooled humanserumthatwerepurchasedbythe 3MEnvironmental Laboratoryand subsequently screened for endogenous fluorochemicals. `Thirty-sixseparate lotsofpoolednormal humanserumwereextractedusing 2 protein precipitation technique and screened for sixteen differeat fluorochemicals using liquid chromatographytandem mass spectrometry (LC/MS/MS). Serum samples were received from various suppliers between 9/9/04 and 12/2/04. Samples were analyzed between 02/03/05and 02/09/05. . `This range-finding study was designed to provide lower limitsofquantitation (LLOQs)ofapproximately 100- 300 ppt. Upon reviewofthe data, it was discovered thatmanyof tetargetanalyteswerepresentatconcentrationsmuch lower thanthe: 100-300ppttargetlevel.Asaninterimsolutionanduntil a moredefinitivestudy canbecompleted,signal10noiseratioswereevaluatedand alimitofdetection (LOD)wasdefinedforcachanalyte.Asa result,calibrcuarvtesiwoerne extrapolatedbetweentheLLOQandthenewlydefined LOD,allowingscreening. qualitydatatobedeterminedforsome&-alytesaslowas 19.9 ppt. Thereforie,t `mustbeemphasizedthatmuchofthe di presentedinthisreport wasderivedfrom extrapolated curves andshouldbeconsideredasscreeningqualiydataonly. Sampleresultsare summariinTzabeled1. Theaveragevaluesreported represent samples in which there was detectable analyte. Sample values that were less than the limitofdetection were not included in the average value calculations. Please refer to Section 5 for individual sample results. Page 20018 5 eet [--E ----Y-- Tale. Summaroyf Prunes Aca Rests 3 i 0. Lr e ri lAEL mC Bt 5oe |wen [os Jem[weJoo]aon|vos[ow [om aco) |e Sintsobweaten To3s17e TosseesrTwnimoss T[aaomsmoss[e [lo30e8r43e Te ossmrsriTaaaeroTToasszoieToToox"noep]]| Number of Samples with. Ne Detectable To Analyte vi To 7BCl mee Ne R=NotReported.Thisnaiytewasdiced fe aoseofthe 36samplebutIappeTars obe 8contuminantof Taba. SommaryotterSena ad oyFmdArataRass fW ies Semrsei noTRoToosnimC n l[ooN omwmswT llssaeRrr[|1a6S3o soT|ae accooe [Toomme ee|] [ [[l e San n womizion TT|dno<ooTToaosrosieaTlaooomaueal]uostaeroiaiT2sl6e77s1o||noSiooo"osn |ooavocasemler]|| Lo s os |e 0n %|m am[e0e |n 3030|3008|r oo|asco| `iPeakss wfeooreroPbmFsOerSevaendidrnPtFhOseAc.hrRoemlaattoigyrsabmrascnocrhredsapnodnldiinnegatroilsionmeearrraantdiobsrawnecrheed determinedforbothanalytes andarepreseatedbelow(thehumanserum value represeatsanaverageof %branchedisomesforallofthehumanserum samplesthat contained detectable levelsofeach analyte). "The % branched isomer results for individual samples are presented in Table 12. In addition, well-characterized lots of PFOS (Lot 171)andPFOA(Lot 332)wereanalyzedtogetheras amatrix spike `(bQrCan0c5h0e2d0a3n-d0l0i4n)eairnirsaobmbeitrdsiesrturmi.butDiaotnaafnrdoamgrtehaetsawneallylswiistwhapsreevviaoluusaltyeodbftoarined NMR data. -- * ------------------ a EWROWE[ NTAL= LABORr ATORY Table 3. Summary of PFOAand PFOS lsomer Ratios: ERT i Bodom LFefllioieoes THe ER ea n | ed T | HumanSe | umea % v| easg n e| | LM6taT3tC5rR2i.x(1NS2Mp3iRk(ce0h(9aQ0Cr300a53c002t)0eP3r.F0ivO0azA4le)ude| ) 23% | mm | Lot171 (NTMCRR.c6h9a6PraOcStaivazlaued pron Table4, ReferanceSubstances CE [m [aanm|e owmn ] FheaeesRE EEB imaatse Ta ataona l [F ibrae r |ronan|CEms |roIm [om| L omS| |tonstsoopmamicrca |veraccsrce | wan |rorsmomino |ew| ome | |returbemicnsd | princorn)|Odowootpris| tenam [sie| oom | |rites| EACTAGH| Aas | toras |max| em | |[rroemedrnoessss||rroornecisan||owewrw [|remmoawrnno[[osoonc||oemm || [Fooseatuoniecmoicsia[cloaca |osbvootprs| one |morn| ome | |retonieomionid| Citas |ouvendpris| toa |sen| om | |Pesoiuicamiensd| CizAed |OdoodPres | TcRsicoon [man| wom | [roto | moh| ow |torsion [moon| oon | [retmosmmtiomse | vosa | ow [cramomian[ween| om | [Creme | ps| ow [remo [se| os [Cretosemntone wes | ow |monewe |wer| on| |reboHrEceenitoss pos| ow | toes [we] ew | Feta > TE[ E om| ' Page dof18 v WMENVIRONMPENRTAOLLAUNBOOEER0A5CT0O1RT2Y0 `Thesamples for thisstudywere prepared as follows: 1. Theserumsampleswereallowedtothawand warm toroomtemperature. 2. O1n5emmLillsiclrietewr-ocfapspeerdupmo(loyrpwraotpeyrliennetcheenctarsifeiosgfemteubteh.odblanks)wasaddedto a 3. Matixspikesandmethodblankswerepreparedbyspikingtheserum (or wsuartreorg)atweitthotahlelsanearluymtessaomfplientse,rceaslti:brIantaidodnisttiaonnd,ar'd'sC,PmFatOrAiwxbalsaandksd,eadnads a ``mmeetthhooddbplearnfkosramtanacceoncentrati.onof3.01 ng/mLtoevaluate extraction 4. Twomillltersofacetonitrilewereaddedtotheserum andthecentrifuge tubeswere cappedandvortexmixed,allowingtheserumproteinsto precipitate. 5. Thetubeswerecentrifugedatapproximately theprecipitate, ! 3000ro for20minutes to pellet - 6. Afterremovalfromthecentifige,thesupewrasntraanstferaredntotan antoforvanialaysils. t`aQnuadnetimfmicaastisosnpweactsraocmceotmrpyl.iTshheefdoblylhowiignhgppearrfaomremtaenrcsewelirqeuiudscehdr:omatography Liquid Chromatograph: Hewlett-Packard Series 1100Liquid Chromsiograph system i AnCaollyutminctaelmcpoelruamtnu:rKee:3ys0toCneBetasilTMCi;2x100mm, Sumparticlesize. StopTime;20.0minutes Flowrate: 300 Limi IM njeco tiopnhvbaosleui cmoer:il p5opnLee n.ts: SolveatA:2.0mMammoniumacetateinASTMType I water SolventB: HPLCGradeMethanol SolventGradicat: _ I0me0 u0s% 10 2% u1s5o0 wooonn 20500 220%% Pagesof1s 6 ---------------- eee-- ee ------e --e-- e--~-- WEIROENR TALC LNABOOERT A0T1OR0Y MSoafstswaSrpee:cAtnroamleytseTMtr:VeMrDsiXonS1c.i4ex" API 4000 Q-Trap Mass Spectrometer Detector IToenmipzeartaitounrMeo:d4e5:0EleCctrospray Negative Gs1:35 Eanst2r:an4c5e Potential 10 `Analysis Type: Multiple Reaction Monitoring (MRM) Table 5. Acquisition Parameters ase ni [[PrEAGoec)| 2130 | 1689 | =| 2180 = | [PFHAGooa) | [TOHAGAG)| 3ia0 | sertws | ds es |seresaies| 5 | | |ProAGiAs)| [CAd | 410 sao |sesezisnteso | | wwrosozies | 40 ow | | - [Cohod | 529 | swsszmezer | io | [Cafod [Fesa | emo | sertesoster | | a9| mo | ow ws | | [Fosa [prs | are [m|e wo | | emo | woems | es | [pes [pros | smo | womo | | aso | wos2too | we | 0| [Treros [_meros | ams| sesms | see | sesso |0 | on | | [ProaneTMs| aus | wes | do | `qWuhanetnimfuylefaicphleatnarlayntsei,titohnesrweebryepmroonviitdoinrgedg,rteahteertsoetnaslitiiovnictuyrtrheannt.i(ndiTviwduaIasluQCsBedi)otno `measurements. 4.4 Calibration 411 Calibration Curve Alenveelxstarnacdteexdtcraalcitbirnagttiohneccuurrvveewiantshefsoarmmeedmbaynsnpeikriansgtrhaebbsiatsmpelreus.maSttporceksscorliubteidons w(eexzceepitndPiFviBdAu,alwlyhipcrehpwaaresdpfrrepoamrneedatinfMliulolrio-cQhewmaitcearlstoapnrdedvielautteedstienrimfeitcahtainoonlfrom "oTchceurmeignrge)s.siSonapalens weawraeslqpueanrytfiofrsiemdediveurssisunsga&nq8u-apdoraittiecxcturracvtefeidtcwaeliibgrhatteiodn1c/ux.rve. 1 Pagers ------ WMENVIRONMPENRTALOLAWJBOOEER0ASC0T1OT2R0Y Ca(lLibLrOatQi)onwistthanadcaoerfdfsiwceirenetwoifdtheitne+rm2i0n%a(t4i2o5%n f0.o99r5.thLeoLwo-lweevreLlicmailtiboraftQiuoanntitation. sCatlainbdraartdison,wshtiacnhdwaredrsetnhaottwweitrheinnot2gr5e%a,tewretrheannottwiicnecltuhdeedmietnhthoedcballainbkrsawtieornecnurovte, included inthecalibractuiroven. 412 ContinuingCalibrationVerification (CCV) saAmCpolnetsi,nburiancgkCeatliinbgrtahteiosnaVmeprlifeiscwaittihotn h(eCCcaVl)ibwraatsirouncnuartvel.eaTsthoencCeCVevrerey c1o0 vewrays within$25%forallanalytes. 413 SystemSuitability FainvdeasfytsetrtehmesluaisttabCilCiVt.ysTthanedsaersdasmwpelreesahnaaldyazreedabceofuonrtestwhietinhitaia%lRcSaDlibroaft<i5on%caunrvdea. rientsetnatnicoenst:ime %R of2S%wD hen evaluated independently exfocrtheefolplowting Sseyvsetreamlsiunitdaibviildiutayltcrriatnesriiat.ioHnoswmoenvietro,rtehdefdoarttahreepCoirotAedciwdafsaidleerditvheedreftreonmtitohentime `quantitationofthe TIC, which passed system suitability requirements. - Allofthesystemsuitabilityset forFBSAareacountsfled.The %RSDswere th6i2s%a,na7l.y5t%etahnerdef8o.r4e%t.heHdoawteavwera,snaocscaepmtpelde.shad areacountsabovetheLLOQfor 414 LowerLimitofQuantita(LtLiOoQn) `TheLLOQforeachanalyte wasequal othe loweststandardinthecalibrationcurve thatmetaccuracyrequiroef7m5e% -n12t5s%. 415 LimitofDetection (LOD) t`hTahetLweOrDe2f-o3rctiamcehsaanbaolyvteetwhaesmeeqtuhaoldb0ltahneka.reacounts (convertedto a concentration) 416 Blanks MethodBlanks Allof themethod banksinthisstudyhadareacounts < 50%oftheLLOQ. Matrix Blaiiks `Twomatrixblaakswerepreparedin rabbitserumandanalyzedwiththesamples. `OnematrixblankcontainedendogenouslevelsofPFOSthat wereabovetheLLOQ. `An average endogenous valueforPFOS was determined by substituting a number equal to%the LLOQfor BLK050203-003 7 Page Tof18 - SUENVIRONMPENTARL LNASO OOR0AT8CO5R72Y0. Table 6. Average Endogenous PFOS Value Determination EES RE OCG [ [e en wo os s | co |azos <s ouo eoo rao os s| | "TrehsepoanvseerfaogereeAnnddvooggeeennroouuss PleOveSlsvoa| flPuReOwSaisnursaebdboi0tscsoerrrusemc. hemalri|xspike. 417 SolventBlanks ATcesesttohnainil%etbhleanLkLswOeQrienaanlallcyaszeesd.throughouttheanalyticalrun.Analyteresponse was. 418 Surrogate `e1mx3atCtrrPaicFxtibOolAnanmwkesa,tshaaonddddpemedertfahsooramdsaubnrlcraeon.gkasAtlealttasoucarolrlnocsgeeanriteurmrasetacioomvnpoelrfeise3s,.0wc1aelrniegbwr/iamttiLhointnosetva2na0dl%aura.dtse,the 4:2 Laboratory Control Spikes (LCS) - Si ix Latbt hoersaatmoh prlyeCso.ntRroelSpsiwkeeurse(cLloCrSrte)cwtseerdfeoprreepnadroegdeinnoruasbblitseeroufvmaannaeldytaelnialytszheed `matrix (where appropriate), and arepresentedbelow. Table 7. Matrix Spike Recoveries in Rabbit Serum \oorohoaent9 CCocoocsmoaoonen|"s30m0 | | cuwooan[ | twaa| Sa isn ocososons| ocassmsoos | me rss | | 10 ma | | wx | ew | [ocosemsoos | 756 | m2 | em rr TT 0 TT | TT ] N\eAonCicoIns,o lboccmosmmormow|| sawe[ |c cucu a| |cwwma a]| lioa=is3roml focososo | locosozosoos | rr |em | ex | rz |_ms | tox | A= Not Appeals ooosomage | m7|wm| Pugesofts q --- Table7. Mati SykeRecoveries aRabbitSer (conied) EE haer rHE i * OgC E Pe WMENVROMMR ENTAL LABT OERoAsToOreRsY p EE Re p= rR aatE : | [ocosemsoea| ses | <uwoa | ma | oa="taAtEogsmt[Ooocmoossaos0osn[|ve3ms || ceuacda| | wsam || [Cacusozosoos [vas-- | 72 | wom | [ocosaosoos T 765 | oz | an | +rT [eos][=woaT[wm] LoPa=AsaCanTgm. [|OCcoecaonoan|| avems | | <wwoea | | ewaw || [ooomsoos | 705 | m1 | wow | rx |ocoseasace| ves ToseTee | ------TT TT OA; D [oooocsmamosone[ |a 32 | | <<uuooaa| | wwaa || Loa=1zngmt [|oOoCoUmS2e0o0o0s0|4| 786 | esa | ew | vss[m | o ow | wx [acoso|e | m1 | ox | [[oocowmmooo|1 z30o7 || zarwi || ewoww| | sm a= 2 _- LL =02O 97nQ om.|E QCOSO0B004[7e53s| Ae 75s | tom || [ocosasons| vss"1 taa | vox | UAC. [Foocooe smemmmoos rne [|t aamma o|r a3m1 T | e ox | wom || | oqo nom.[|ocOocosMeeammsoonoss| vvsses | 7m22 | | wwomr || NA Not Applicable[ooosoasoos| 756 | 7as | vox | Page9o18 Io swEwROMESITALELsoARATSORY Tale. MieSpi Rov RaceSrrGiset) is Te E CE ERT RES IBi bd To= momoon [sot | oor | wx | B [oessmo oars| sor-- [-- ao--e ----| [Toooseamsose| aor | 21s |ew | I iT 1 [ocmsomaoo| ses |3 | wo | pa |OoO0RZ0 | am 1 sok"| Lioamo3eanom.[|C= oacBwsOoRmmzoOmNs||--arees-- a | |--mae--asT--|--owxx || Tosmmme | am wT wx] [Cocosomaoz| 28 | 2s | ex | [IPiP' OON[Fooccossmemaamzooirss || ase 7s | | aes mee T|oe3 ww|| ten [Tcoseauzoee|~ v6 | mre | vex| Tr --TT1 FossomanTom Tam 1 we Loamv9neoms[CE C"oo=sosmmeoonn |T"aees T awTmeR | oomw || [ocostosoos| ves | mr | www| er -- 1 rr 1 ocr| 00 Tan Torx | al [ocososors | a0 | 2m | ow | wwoaxosongmt|ocosomoose | me | me | ow | Cocososoos | me | 70 | vox| Fuge 0ar18 ll) ---- AT WENROMERITAALsoSRATSORY Table 7. Matrix Spike Recoveries inRabbitSerum (continued) LH i i ; | METIAE J] EEF L0a-oI0sbsenoimt|o[ Cacweo ameseS T|EY alm iwes mT|ae "Y rmsso| esr omn]]| [v "ocmsom [ms s |i113 sows_| frie ei eT TT 10a~3h1d5norm. = o[coocuemamnssas || arveissw | seTr oanon|] ------/TTT eros |Cosommmmsmono T|e aw m T omToonu]] am Uoawamonom|_oomemsoos| mg | eso |aes] |"ocoseeovaoe [me | oes | ream | Tr ITT 110ama 0303noms.|= ocasmosane|e resSo e ry . | umm] . | ocoscaoos| vas |ocomensoo| e ew | 75 | oem | | rea |ie | Fagetaris 2 ueROmERISTA EAsooRATRORY TLaobvleers8. PFOS Matrix Spike Recovery in Rabbit Serum, Corrected fo Endogenous R EaE diE e eS etE TOTe rh R e [ocoaso2 ovannzaadoost||E s30m6||savwr| |_ooastseC | | 2z8m |senw|| cam 03 m _Ooszoatos[174| | aa | mmo| [ocosozoeans|77a | ms| oss | ma | oom| [ocosemaoos | 774| 781 | oss | 788 | 43 Accuracy `The accuracyforeach analytereportedwas calculatedbytakingtheaverageofthe `matrix spike recoveries for that analyte. The results are presented below. Table 9. MethodAccuracyforIndiviAdnaulyatels. [prea | srw | | CizhAca| asx | [CneeA sox | | Fesa | =m | [preA" | eas | | FOSA | sex | [Grace | sow || pres | =m | [proa | wax |[Peis | em | [[csadd |=m [ | Pros| =sx | [CloaciaTM| sm | | THpros| eax | O TT [CitT Acd|=m ||e wwros | =m | 4.4 Sample Related Comments "The extraction and analysisofthe samples was performed utilizing anon-validated `method. The matrixspikeresults, '3C PFOAsurrogate recoveries, and the extrapolatedcalibration curve(between theLLOQ and LOD) shouldbeconsidered `whenevaluatitnhgeaccuracyandprecisionofthesample results. `Tables 10 and 11 summarize individual sample data. 3 Fuge 2018 eee Table 10. Pafverinstd Acid Results eee sueAsOSRALTOT RY [RES o RE ARFIRE ER ae Fe CO hy i SRE el rE | Fa ne Hen [messToso"| Loo|<to0|<ob|oser| vere | woo| oo| woo| [ese [Tess ["osor |<o0| too | ob|481 Too| <00 [woo[op|7 | eer | | 228| oo| <oo| oo|<0 | woo | woo| [CowesssTiTop[woo | woo|sw|tes | woo | aast | oo | [owe[706 00 a00[0| ras| 14s| oo | soo]ao] [CaeosoTot T<00[900[oo|313 [ess T3321200[900|<op|4s | 245| | +41 | coo|oro| woo| oo| woo | woo | [wees T7408T"<00[00| oo|5 |1&2 | woo | woo| woo| [omeTassoJ<o0[wo[sar[a1] 00300[soo] [masorsTer |ase| oo |oss|sst|te | woo | oo| woo| Pe 13018 1# Table 10. Perflucrinated Acid Results (continued) SuEmRONMEE NTALLisi ORATORY PROBE (EE LLSHELER le HEEL Sale eee Rlir. Rann Me agaai PSREe LRSE BE eTe eeRe ebioarLsl| [[woewesstr[|e50o4[|<240s||awcooo[[9o0o0[|aorms[|d1o2o8|| w0oo0|1<woo0o|[saoooo|| [e[sFkooosuz[|s<so0|| w0o0o|[owooo[|w<ooo0||ait7s[[eostsa || o0o0|| <<oooo||w<oooo|| [[[aemooaoarsss[[|i35a03r0s |||<w0oo0o0|[[woewoebo=[||stoooroo|||s2sss0||1t22emss|||<<soooooo|||<ooosseos|||<woooooo||| [e[[sraorosos[|3<1090[[00[|otooo|[o0o0[|4s1o8o[|wtaerse|| wwoooo|| woopo || oooo|| [[[nmaroenaesssseor|||3<<300800|[[00wo00o[[|c0woo0oo||| ao9i0oo00[||s2se2#r[||ooisrstso||| wwoaoooo=|||oa<eovm0e|||<<s0oo0oo||| [[nmeessss|o<e0r0 || wwoooo|| woooo[|owooo[|aaesss[|oasmes|[ wwoooo|| wwoooo||<wo0o|| [[rmeosoems [|cwoopo||woooo[[soooo[|oooo[|sdeens[|aiosse|| woooo|| [acon[cco |<0[sion| doo|4rs[43 |woo| <woooo oo || aooon|| | <oo | [[nmaacesarroe|| ccoooo||<wo0o|[<0io0p|| atooop||ssaooo||1te2s || wwoooo|[ wcooo||<<oo00|| [[mTwwaeersos~|]<<0000||<<oo00| ooop|| oooo||atomo[|o<sieoo||wwoooo|| woooo||<aocoo|| [[enssoes2|| 0000[T0o0|<o0o0|| [sos[oor[00[<00 | o0o[|z1e4sa||oosssss|| soooo|| <woooo|| <coo0o|| oo| 20s|oss| woo|<oo|<oo| [astseems|<5309 [|20m0||<w0a0|ososo [hutor[30| 2m | wa [oose [|gzoorr[[oiszs || | 400[oo [ wwoao||o<eo0[|wmoo|| wn|ooo| wa| [[ihoowr orsemo[[o2ms[[wwka[[orwoesr[[omaor[[o2m0|| wwaa || aosme|| wwma|] [SSaonti | on oon[wn[oom [sosJom| ma |om[ wn| fToorsmoi mse |et5 o x|10Qosdh|r=10| D: |=|o[ & |0| api ieiavberdeeessiddetnob dmofeee ol3s6 swifellysrbetrpnarp.epar bdeevoenady.nra may; he TErahcmp ey vhscy 3%. Page 14018 11 : ENVIRONMeENeTAeLLABOERAoTnORsY Table 11. Sample Results for Additonal Pefluorinated and Highly Fluorinated Ansytes A thd ; HOS FCgove oCnIg | Tr Ee [o|w_eDswessso [[a"o<000||<<oopp[|ome0r0 |a amo||szes0||<oooo||oormese|| [[oTweesssss |<<oo00[|eawsone[|omooe||2204s1[|sae7||<coo0o[Toormemsi|| [[moawsess |w<ooo0|[wwoono[|aosasmese|[aaum |1 2e0z4||<ooo0||ooomamr|| [r[umsses [|w<ooo0|[w<ooop[|oompe[[Teamm||wess||<<oo00||oooousre|| [w[meenr[w<ooo0[[coomp||o<mospe I[s=am||23013s|| <soo0o[[oaooms || [o[waerss [""<<oo00[|w<ooop||oommees[|aossss||stoe t||ssoopoT|oosovere|| [o[wsems[wocooo|To<moi0[|aososeiws|| arsors ||titeas|| cwoooo|| oouwr|| [[msmms[|waooo0||<woooo|Tosmoeos[[simm||iassi||<<oooo ||oaoossie|| [[mrwwaemmo [|w<oooo||<<oooo[|ooomeews|[=ssss||m15o2|| <cooooT|oooonmr|| [[moewmeoss [|w<ooo0[|w<oooT[oommaesr[[aasmo || 2i0s2s||<<ooooT[ooomuerr|| [[oowweesn "<<oo00|[w<ooop[[oamaor[|atsne ||2es4s|| oooo[Iooeomr || [[evmeom [|oooo||<coooo|[om<mowb|| ssaa ||m4is|| cooooT|ooomoerr|] [[vwsese |Teoo0o|[w<ooo0|Tosmoo[=asmmT|e1s01|| ccooooTIoooonwer|| [[rowwseess [aaopon|[swoooo[[oogmwee eamm ||1nsr|[wcoooo|[ooowmrr|| [[wwaessn |["<<o000[|wwoooo[[poemwes|[aSies ||2t1a1r|| oooo||oooomsr|| [e [sm e [|0ao00||a<ooso|| sdoomoe||iasm || waesr[[ssoooo ||oooomr|| [v[esmms |waooo0[|wwoooo|<soopo||isanr || wssiss|| coooo I|ooooorrr|| Page1sotis 16 ET mo, ne Yeel 4i .aSnasmplefortrl Pritt ant HighlyFrat ler Ee Hing gran ri IE B+A + 0209 E : ea q SA REDOT [Men [Median [wen [tow | wa[come [cows| sz | 163| NA |owes | | NA |ooior|cose | sz | ves| Na | costs| | Na [oer[oows| seo |ms| ma |oss| 1 No[oostr[om | oreo|2rv| wa |oow| [e R a oms er r]si weae|L a sr ao |D n aon |evmm[.on| | omer | [soem | 0 | |=| %||o| =| Yeb12, oeraosot Spon EE E TeT e Ta EE F[rEreaaaamerst T e T cee e TEw RI RTTIENT Yi ] 1 MRmeOUnD|]5S a a ame m T o em m m e seo m [a] n]| F [oa we m s Tenn] | pon | ew | ww | a w m E m r on o e ti or[ [oa n|| eas Tome on | EL [ hmaa ee ws m | r ecwee n ma | m n ex[[e |at anx]| ee 1" -- ee e-- eeeee-------- em-- er-- Seeseeeeeesmes-- sm -- a0ENVIRONM[ENTrAL LiABOnRATdORY Table 12. Isomer Ratios for Individual Sampls (continued) ter EE CR SEO AN [w[ es w 7 mee ownn | | ovxoxe [|wsxw | | [wes Ta | sexe [ew | [wma TT vee ex [em | [wes vee [sex [aw | [wee ioe | vex [aw | [wen hems | em [wx | [em ems | a[a | [we esmcwes |cuca [em | [mem TT esscses | ex | sx | [ [m me es eT T e [ e ex xm | | aewm | | [owes es om | ew | [wes em | as | ww | -- r -- T 1 . Www | ew [we | "T~NSaAm-pL l6e9vTal7e2w0adsT<HAL-0GSQ78a fromesSmeelost ofT ioocdnse|u. wm | wm | AEnlviorroingimneanltraalwLdaabtoaraatioiryt.heThanealeystitcmaaltreerpioarltshaanvdeabnaeleyntairccahlrievfeedraetntcheset3aMnd.ard re3sMerEvaevsiasmopnlmeesn,taaslwLealbloraatotrhye.samplespertaining to thisprojectarearchivedatthe Rreetsaienerdveisamtphleas,rdcighitiaolvcfoe3pMsesEonfvoirriognimneanldtaaltaLanadalbleroifgoirrn2alppaearpiteordodoaftaarwlielyalstb.e 10 years following report signing. p`rUensdeenrttihne aclolnsdaimtpilonesso.ftPhFeHSs,tuPdFy,OSen,daongdenToHusPFflDuSorwoecrheemdiectaelcstewderineefvoeurnydltoot boef Csoenrvuemrswehliyl,eFPBFSOAA, wTaRsPFprOeSs,entanidn dtehteeCctyabalceidlewveelrseinnoatlldebtuetcotendeisnamapnlyoef. the w`istahmiplnes2u0s%in.gthe presentmethodology. C PFOA surrogate recoveries were all Page 170618 18 e ----c --------------------------------eeirt SMENVIRONMRENTCALLANBOOREAsTORY LhLeaf op 2 er r=-- : `Wiliam Raagen,LaboratoryManager 28/205" Date The 3MEnvironmentalLaboratory's QualityAssuranceUrithas auditedthedataand. `reportforthis project. -`QualityAssuranceRepresentative: Date Page 18018 149 ee e em rv eese it eregeesSma eets g MUG12.2005 5:1PM QUALITY ASSOCIATES 28 01 Ho.07 p17 WEVROWEmNTAoL LeMAeBOEcRoAsToOTrReYn 8. `Signer TIC Cc `rr -- Wa ika r Reagans .LaberwieyVar- ga T 283Jalor `The3M BaviroomentalLaboratory'sQualityAssuranceUsit hasaodited hedateand repxthois prrojtect (oC CiolyAoturancs apres fefos" Tes RECEIVED TIME AUG 12. 4:48PM Perseus PRINT TIME AUG. 12. 4:49PM 20