Document Lg0Gok9zyL1rNeB1bJ8GoRG8w

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" - _ =. . (217= LA4R226- 161 PERSONAL AND CONFIDENTIAL CC: J. H. Todd 6. T. Rosenlund JW.oTM.. CDaorrnderlely JT0...AAF... DEFroodusmgtahentry oTr..L.. ScL.hrePnokwer RN. Taylor OFP. 3T.his2tilpetetdon July 14, 1982 To: fron: R. J. BURGER 9. 6. Loscuiavo Q8.0f TRENDS IN BLOOD C-B LEVELS FOR VARIOUS TEFLON EMPLOYEE GROUPS SUMMARY Comparison of data for sample results obtained up to October, 1981 with corresponding data up to June, 1982 shows: For 40 FEP Operators, blood C-8 levels decreased an averege 23%. Fdoercre8a5seFdinean Poawvdeerargeand18%G.ranular Operators, blood C-8 levels + Ninew pTrEeFviLoOuNs yeemaprlso.yees are accumulating C-8 at 2 lower rate than e FTienveelsP.owder Zone 6 Operators still have the highest blood C-8 . BcloonotdinuCi-n8g lteoveldsecrienesfee.males transferred out of TEFLON are 0835K-1 . . 000199 = g g EID079049 Sz. O1sCUSSION | employee TghreoupasttaicnhetdheTaTbElFeLsONconDtiaviinsioCn-s8. in Blboloodod C-d8atadatfaorwevraerious Gbttsaelifnecas fraomvaltuheablFeLAItRoolproignraami.dingTheinFLtAheIRanparloygsriasm hoafs blporoodvenC-8 dDaattaa. reAclolrdebdlooidn FsLeAmIpRlesbywe6r/e24/a8n2alyazreed usbyedthien Ct-h8is spseucmimfaircy method COcotmopbaerri,son1s981arewitmhadecobrertewsepeonnditnheg ddaattaa urpecotordeJdunei,n F1L98A2I.R upTheto following observations are made: + FYEePvelOsperoafto2r3s%.areTheexpdeercireeansceingfoarn tohvoeseralOlpedrraotporsinwibtlhoodovCer-8700 duasyisngoftheserpvaiicreedist-tsetsatt.istically significant at the 0.05 level + CFi-n8e lPeovwedlserofOpe1r2%a.torsGraarneulaerxpeOrpieernactionrgs aanreoveexrpaelrliendcriopngina bdlrooopd osferv22i%c.e isThenotdecyerteassetsatifosrticOaplelryatosrisgniwfiitchanto.ver 700 days of + B7l00ooddayCs-8 oflevseelrsvicien) neawreTEiFnLcrOeNasienmgp.loyeHeoswev(etrh,osethweiitrh lelvesesls thaare Tihnecreaavseirnagge atratae solfoweirncrreaatese thfaonr tThEeFyLOwNereFinien PproewvdieorusZonyeear4s. 0O.p0e0r1a9torpspn/udsaiyn.g daUtsaingcololnleycte1d982up dtaota,Octtohbeera,ver1a9g81e wreaste of increase has dropped to 0.0004 ppm/day Fin-8e lPevoewldse.r ZoTnheey 6avOepreargaetor8s ppcmontanidnuerantgoe haasve hitghhe hasigh2e6stppmb.lood TTEEFFLLOONK ZZoonnee 46 OOppeerraattoorrss. havTehishigisherbecbaluosoed CC--88 alcecvuemlsulattheas i mthuechboldoyngeorverthatnimeZ.one Zo4neOpe6raOtpoerrsa.torsOpehraavteorwsorkferdom infouTrEFLotOhNe Dqiuvainstiiotnisesatof WCa-s8hiningtotnheiWrorkbsloohdave very low but measurable + BanlooadverCa-g8e le19v%elsoveirn afnemaalveesragteran1s6f1-edraryedpeoruitodo.f TTEhFiLsONincdlruodpepsed oofnlyC-8feemlailemsinawtiitohn 0.i1n pfpemmaloersmowriethC-l8essin thtahneir0.1blopopdm. isThveeryrat Slow. It is essentially zero for this group 0835K-2 - g g g : - EID079050 000200 . , concLusion |! The diligent efforts on the part of TEFLON Production and na blood sampling programs should continue at their present rates. Technical to reduce C-8 air levels are paying off. Significant decreases in employee blood C-8 levels are now being seen. Efforts ' must be continued in the TEFLON Divisions to control C-8. Both air ! oItverilsooikmipnogrtainttemsto anpdrevtehnuts omivneirmcioznifnigdencfefecwthiivcehnecsosuldof lecaudrretnot prograns. Attachments FE JGL/nsw - Z 2 + - EID079051 000201 Sd C5 2, gg 2F2RsA<TeRaAsSaAnTaInAnTaTny$yl 32 4 fZezzsy| :. = | fl y gaz | of 2g zasszszszsgmsasg 3| Ysassg se eg C3 mE . 5 8= a3 |3 3 1 3 g 19 3g 2ddgJ BgfE SEyus3a3z3d3f0oerdEu0.5aenA.0. z g 32s83 5) 3293235:838a200 s 228 = bE 2% - SYERBIBRNIBI) BERR .t 000202 BES EID079052 Do 3 sf 2E3aa2y 38x88 } has2e SUMMARY OF WASHINGTON WORKS EMPLOYEES' C-8 IN BLOOD LEVELS - GROUP SNOA.WLOEFS RANGE (ppm)* AVERAGE (ppm)* | Fine Powder/Dispersion Zone 6 Operators 21 : 1.3 - 26.0 8.0 ep Zone 6 Operators 1 0s - 0s 5.0 Granstar Zone Operators 0 02 - sa 27 Fine Powder/Dispersion Zone 4 Operators 37 0.02 - 6.9 1.9 TEFLON Polymers Production Foremen 23 0.1 - 2.8 Lz TEFLON Monomer Operators 31 0.2 - 6.5 1.1 Granular Zone 4 Operators 17 0.01 - 4.3 0.6 Laboratory o 00-52 0. TEFLON Copolymers Production Forenen ws 0.03 21 0s TEFZEL/Telomer "A" Operators 26 0.02 - 1.8 0.5 Hechanics FEP Zone 4 Operators 25 0.01 - 1.6 0.5 w 0.00- 16 0. Research (Engineers & Chemists) 8 0.09 - 0.6 0.3 TEFLON Polymers Technical 29 0.03 - 0.6 0.2 TEFLOW Polymers Haintenance Supervision 15 0.06 0. 0.2 TEFLONS Copolyrers Hotntenance Supervision 2 0.2 TerLON Copolymers Tecmical 1 Wo 0.8 01 LUCITE Zone 4 Operators VELRIN Zone 6 Operators 2 vez- 0. or 4 0.02 - 0.2 0.08 Filaments Zone 4 Operators 21164 20ne 6 Operators 3 ND. - 0.09 0.05 2 0.02 - 0.08 0.03 * OontlLyrrtthaeemorsatngecsurroengntavbelroaogdenC:-8 sample result for each employee was used to " Tot omprsn) Bro inulin Tiefun Senior Laboratorians, Lab Analysts, z *** N.D. = None Detected (< 0.007 ppm). g hie ~ EIDO79053 = or 000203 E i 88]rrneomoeegoss 2 88 x= 28558 8 H g o #J 2s5g0Ef% cc omc mec 5 ges g 59 ogo ex s g g J Et wana | IeEs FF dace g - Eos is re EEL . 00020 4 EID079054 B 23ldrsTs ieIyzIsIeIzI esIsNzIsI zsIsIsg3 s . E;8wl72E 3+ 3+ 3+ S+d 8eeSS oSeSS SSCS o SS aSS | 849 EsEesE-sag e222 " " ge2e2ge2egeezeee . EcsleSs Ec CgRzRsEe Tz EEcReEsNnIEZeEaIgLe E a , & i g dfrrasrrgangeagyy 5 CHI SSF d3 ddd ddd d% Heesrresevsrszeizes - 1 w2el22252523 583 sgis #2 2 EID079055 Y2s. STR LVsEiReEsTeIrTzcFsEsIzZsEEsFcEeSs B 2 ER 4y zg Hirsrrsrsrsniane B 000205 ES oo gEZeshewefEiR fi2zc3assed S338533% E EE ER RE EE EE REN ig8zs geag 2 2% Eres 222222gse J BYES EES 2g3 fE g83e glsvgsesscd es g52 l 2s 8gs gzs Rge of of EI o8 | q3 ss3gE zsEiEf od4]5 fstrsrezieiessss ! du EID079056 gE f ZEEEiE 3 29 = a ow dees gg "RTT MEzs 2 toe seszzaee 2 i 000206 5$238 : Z23s%5d8|ss E ys88z5338588 32 3 gsgugEdgEl TTT TTT Ss 8 SS SS SS Bg8o2g5 i cea 2 =F = 28 28228 2 of Z=8 258388588 3 ZBE| ~ od 5 ww FS g +H s8s833838%2 i g sHzrzzzzse: BEY pgfSESESSES Hi g@ 2 qrirnsnn f8qlE:EsR:EcsEsRRszEsEs sigs sgsss88ggs Bg 555575555 w23 . it 000207 Etpo7s0s7 =g 8 533 =3 238