Document 7G1dzn2my8a747NO1Kq1zJDB

`hc11ioo99cmm77p~h5pooucunnUUdsdisossininnggmbaolponpordtede~b0cobonaanscbknc~okumetsbptorr|4oaaa5otidpidoocfmnfbromonnmPmtmFstaOhrhdrSooo)du.1nanWdmdtotlhirNmN:MkMcRwooI,ma~usGxGterryeysy( (taavruede~ pdroTgTrateaevrdcoeso~asmntrxce~~pctmpoorotrnrarttfatpfepiirrctoemetsnsnemaocnbectoe~t(uooAtf0fC0e..oS00rr)53gaapapn~onpi~mmdDOflOuuFoF,nr.iene HwobhrsiecnhqacuPoeants~ypapo:unldPssteodraibonuBtsoi4as~dhpeCpvmbhiaFscFeciOeSn)o.znaWviooaAcCfwaaar1sbe9toinm7:.F~ GiayntndBaTutaalv,so"b nOfr~paci~c(Ap iChsSotTr)oFacOnods AmpAoiuadtshie OOFFceoommppoouunnd~. Tis neverssc verid This is ~ satlasctmiy verified (3(,8.bbyyMMSSoorrbbyyKNVMR)R,). 1o9f7t5h pNMrRopebicntaSsebptheelmrbceyrt,inAgscaonnisnoktoewRiilchhaCrAdNLsehowutt,eDpalslassZimeorf m4 aVneGpraec )sind copy oman 1976 byOctober,CALhs he ity menu POS ises singNMR (por#ARTE30) 1976 - by October, CAL has th~ ability to meamLr PFOS in sea'a using NMR (re~t #AR7230) NewmaAicAcccoNcroMrdcRilinn)ggctotoonRfRiiicchaarhrddaNtNGeewwymaamanrskd..CTCAvALLsttpeaamnalceaarddbbeyyDDsoonnHhHearaggasanncacanneddoJofounFBFBeOciJSissl-b((oRRtiicFchOamArdAd aste or OF compound. Nvwma~k - NMR) confirm major OF compound that Guy and Tares' spectra reflects the pre=mc of PFOS - not POAA - as tire ofthesecrAoecncpotorcislinn?gttoo RichardNewark Richard Newuuug Neveu Newmatk genet geee,rates 6 eps ~ports ois to this lec,Comwe afltct. Can we lociany iecate any e~ there r-q~erts? livesAacrcobnloiondgbatnokRiscahmaprdNbeutwdo,sNoetwKmoaorkfsornirpes.Csaumpwe lhcearecihevemoroebHaog(oaanktthathe elceace the entityofto sample snd fomici ihmicrafchedspecie? rde~aces the i~emity of the samite in order to mateh it with microt'mehe~ q~etra? Co11n9977c77usicnUUsnnsapsrepcemidfaifde~edfoalubrooourctohcelhtmesimsciacpallc((acalclloedmp"3oB)u~n) disebidaiedaltcien!i!siinssaeecrahaessdaa.mmpAplelessnforommawaHHsiliggbhhyPGPyoiCin,t,NNCC.. No "No conclusions arc made about the spufific oompomtd, bat data is attached. Analysis was by C,C. R1e199p77o77rt sgElpleesvaattteidtRR-FhFvevrla'olusccsm,soaarrccefcooouugndhdsiinnp33i3MMfcoeamr lpleovcyeeess wcwohhmoopuosueEnEdnnist.tereaandOdCSSdlamoditdssskiainnacccaahrreeodpprroodduuctcs.. Rd~ipcoarit nsugpggressct athcaet ofthor's not enough samples for sp~ifi ompound id, y~t GC data is attaohed indicating presence c~ ~B'. 1979. GayadTavs bor pope pacaltin stPOA i he aiaOFinbuaboo. 1979 Guy and Tam author a paper spevula~g that FOAA is the main OF in human bleed. Acoodinglo chardNewmar,GyandTevessndispper 0CALforreve. Acoording to Richard Newam~ Guy amt Tav, send this paper to CAL for review. 820 AcocAmccpcooourdnidn.g RichardNewmar,3 to Richard Newmark. 3M ers lawyeml urgeCAL tttge CAL ot else not to release te the true ent(FOS)o identity (l~'OS) of the OF cempomul. blo o d wiBnBegetlGissCe,,EHHaCagDga.ann,,(anndedBBpun#mnAomTcIirleEeEpptSu)lblicgh ral internal spor reports mesuringPOA 53d measunag POAA and OSin PFOS in worker wofl~r . Mood using GC3ECD. (~x~rt # A73629) `thhGeeOidEdeCenntDitBsiBttyyeleoloiyflefstehhaeaennOOddfFoFHHfraofagohugauenannnnddp~ liinbybllsooododaaf..pTP~ pThOheeerAyspspuurrvgSoog~ipsesoretssicenao~nathreehewoesmaaian~nausamll~yyuccticyamomoneffdetGtGkhuooyiyddd(saa(d.ndederrRTiTiveaiiteerziezsasa'ct'fciicoonoonnncofcloofvullulFslslioOeiowwonAenesrdsdAbsababbysyoronuett dcbtlcamki(nweidhbryessppiecntgohuPmOAaAn)sesrer prioofFO0AsNl.aDgecdaitcheeatbhaltGyaoyfathnedTreveesscoanrcuctiohvnweearss:y . bllmk (with respect to POAA) zert prior te ~ imlkate ~at Gay aml Tares ~ac~uslon wm BolmococdarnudieO?rArmBaioaiBaocSbpeemirs"e, ~AMethod fo th Deerminion of PfsoocciaAncica ina~cttrate? A~Ivtical Biochemistry, "A Method fo~ the Dvm~ninafion ofPe~lmrooctaaoic Acid'ia Blood and Other Biological Samples". ectcopiesofany popesGeyand vespubledfom1975on Need o0piesofaaypapersGuyandTavespublisl~from1975 o~ Concenrion ofbraoched somei mesosmaria cotirned (37, repr, 4CAG356)and (3677, Concemzation ofbrancked isom~ im metabolised material confirmed (5/77, report #CA6956) and epor $AGAST) rel~rt #A64037) 22553344..00000011 Exhibit 2534 suAt0038277 3MA10039277