Document YDR29aqJ5b4rM3x8XMNLOQOMO

FILE NAME: Shipbuilders Council of America (SHIP) DATE: 1968 Jan DOC#: SHIP044 DOCUMENT DESCRIPTION: Medical Journal Article - Industrial Hygiene for Insulation Workers MD-005918 THE USE OF ASBESTOS in the United States the aenadrltyheNwinoertledehnasTihnicrtrieeass.eAdmsuobnsgtanthtiealolyccsuinpcae itinonamllaynyexpcoasseeds, thoef udseisaobfliansgbesptonseuhmasocroesnuioltseisd, kshnoowwsntahsaatsbpeesrtsoosniss. Eopcciduepmatiioolnoaglilcyaleexvpiodseendcehaalvsoe palehuigrahearndinpceirdietonnceeuomf.mEavleignntahnocuigehs tohfetfhirestlucnasgess, oefrsasibnestthoesisewarelrye rNeicnoegtneieznedHaumnodnrgedte'sx,1tilEelwlmoarnk2 Industrial Hygiene wthaes dtihseeafsiersitninthveestiingsautolartitnog iwdeonrtkifeyr. sSpienccifeicEalllly- for Insulation mPeannd'sergfirrassts,w1oLrkeatihnarEtnagnladndS,anFdleerissochne,6r Seetlikalo.f,8f metanayl.,caAsehslmoafna,7sbaesntdosiosthaenrds,8a,9lsohaivdeendtiefisecdribtheed W orkers isnuclaretiaosnedwroirskkero.f lung cancer in the asbestos in scrIinbeEdntghleanedn,vLireoantmhaernttaalnhdazSaarnddsearsssoonc3iahtaevdewditeh t J. feROY BALZER, M.S. isnhsouwlaetdintghatmthaeteirnisaulslatocronwtaaisneinxgposaesdbteostaossbesatnods fibers in concentrations high enough to cause as baesbsteosstioss.iSs inamceoFnlgeitshceheirnesut laalt.i8o,fnouwnodrfkeewrscainsesthoef teeansttiearlnhNazaavryd,sahsiptyhaerddsu,stthleeyvemlsinwimeriezebdeltohwe tphoe recMomarmr,1e0ndweodrsktianngdainrd.Southern California ship hyaazrdasrd, s faussrothceiartedidwenitthifiiendsulathtieng menavtierroianlms ecnotnal ttaoindiensgcraibsbeesthtoes.inTchideenpcuerpoofsepeonfuomuorcorensioeasirschanids mSaanligFnraanncciiesscoamBoanyg Athreeainsaunldatitnogmwaokrekeorsbsinertvhae i mtioennst.anTdhims epaasupreermseunmtsmoafrihziesswtohrekinpgreleinmviinroarny environmental findings. f latUionniomnamteermiablserfisrhsitpo:rgTahneizmedeninwNheowapYpolyrkiCnsiuty aFselttheersSianla1m88a4n,daenrsdAwsesroecilaattieornroefeBbaoritleerreadndbyPtihpee AHFeaLt ainnd19F1r0osatsITnshuelaItniotenrnaantdioAnaslbeAstsossocWiaotiroknerosf. SnaatnioFnraalnucnisicoon Laoncdahl a1s6aismaemmbemerbsheirpofofthaeppinrotexri Mr. Balzer it Research Specialist, Industrial Hygiene, School of Public Health, University of California, Berkeley, maraetaeslyof50N0omrthenernenCcoamlifpoarsnsiiangantdheNgoerothgerarnphNiceal California. Presented at the Eleventh Annual Western Industrial vtraaddae. fOovreorv4e0r%20oyfetahres manedm7b0e%rsfhoarvoevebree1n0 yineatrhse. Health Conference, San Francisco, September 29, 1967. SeTrvhiicseinRveessetaigracthionGrteaanst sNuop.poOrHte-d00fu20ll4]/-0b2p fProumblicthHeeNalath Tbyhethmeebmubiledrisnogfttrhaidseusn;iohnowareeveprr,imatarvialyrieomuspltoimyeeds tional Institutes of Health. the shipyards demand an increased number of Journal of Occupational Medicine 25 Hygiene--Insulation Workers minesnu,lastourcsh wahsoduarriengemWplooryldedWbayr tIhIe. IUn.Sg.eNnearvaal,l LSohcipayl a1r6d.s have their membership outside of theThBearey Aarreeaovaenrd 2m0osintsouflatthineg mceonntrwahcotorhsavine bweoernkemdemfobrearlsmoofstthailsl loofctahlefsoercoovnetrra1c5toyresa.rNsehvaevre twhaegleessr,attheeatnraddteheis rvigeridy stetasbtilneg, daunedtoaptphreenhtiigche tOranicneintghepmroagnrahmasreqquuailrifeidedofanadll pnaeswsedmtehmrobuegrsh. tthraisdeprfoogrrtahme,rtehset oofdhdsisawreorhkeinwgillilfer.emain in the veTryhefeuwniqsupeenceiaslsisotsf; theiaschtramdaeniscathnadt othaenrey airne suuploantitnogwjoorbk rweiqtuhiarnedy oonfehoifm5.0Hdieffemreanytbperodcaulcltesd. Thehaevyonlcyonsspterucicatliioznatitoon misartihnaet scoomnsetrmucetniopnreafnedr rcehpoaoisre, toor wcoomrkmfeorrcioanlebcuoilndtirnagc.toTrhsupse,citahleizyinmgainy aprpefaerrtiecnuclea,r 3a8re0a.aActsivaenmexeammbpelresowf aerreeassuorfvweyoerkd ainngd tfhoeunsdumemmpelroyoefd,19o6n7,aitnyptihcealfwololorwkidnagythdruere mcoanjsotrruwctoiorkn,a1re00asi:n 2c2o0mmmeenrciinalhbeuaivldyinigndaunsdtri6a0l in marine Construction and repair. useIndsbuylattihneg cpornotdrauccttosr:s AinnatlhyesiSsaonfFtrhaencmisactoerBiaalys Atorreyaahnaaslybseise,namndadcoenbtaycotsnw-siitthe esavlaelsumateino,nd,ilsatbriobrua ttohrast afnibdrocuosntmraactteorrisa.lsTh(igslassusrvaenyd haassbeisntdoisc-caotend ttahienmingateprrioadlsuucstse)d.aTchceouontht efor r109%0%ofbtyhevmolautmereiaolsf aanred padohlyeusirveethsa, nceosr.ks, foams, glass, polystyrenes, proAxsibmesattoeslym4a5t%erioaflsh:isTthiemeinwsuolraktionrg swpeitnhdstheaspe mamatoeurniatlss.anTdabtylepeIs osfumasmbeasrtiozsesfitbheers aupsperdoxloimcaalltye ifnac1t4urdeidffebryensteavsebnesmtoasj-oirnspurloadtiuncgeprrsoodfucitnss,umlaatninug materials in the United States. Tthheemsatateteridaltsywpeesreocfoansfibremsteodsbfyibxe-rrsayindisfefrvaecntioonf aancaolypspiesrutsairnggetaaNndorxe-lcraoyxd-riaffyraucntiiotneqtuubipep. ed with coAnssibstesstmosa,inalys oufscehdrybsyotitlhee, ainmsualganteinsgiumindsiulisctrayte, mined principally in Canada, and amosite, an iron 26 mWaogrnldesWiumar IsIi,licaamteosmiteinhedasinbeSeonutthheAmfroicsta.wSidineclye uI ssehdofwibsetrhiantitnhseuluatsiengofmcahterryisaolst.ilHe ohwasevinerc,rTeaasbelde tnoumwhbeerreotfhienstwuloatainrge pprreosdeuncttlsy. in about the same terAiaslbessutochs isasuscuaalclliyumcomsilbiicnaeted,winiththae fialmleroumnats isnhdaipceastetdo ibneTuabseicdIa, sanindspurlact-ifnogrmmeadteinritaolsv.aUrionutisl reexcceenpttlyf,omr a3gonmeesiuinmwsialriceahtoeuwseasstoocftkenanudseda, fbeuwt isnpgeciianlsuolradteinrsgalmmaotsetriaalllsthaerenewmasdileicaotfe-ccoanlctiauinm sairleicautsee.dInasabdidnidtieorns, ipnermliatenuafnadctuortihnegr imnsautleartiianlgs products. usMe vaanruyfiancgtuarmerosuonftsaasbnedsttoyspeinssouflaatisnbgesmtosatfeirbiearlss ifnorthdeiisrtrpibroudtiuocntsbayndanmoathyerrebmraannudfathcteuirrepr.roCdounct tcraaucsteoros fwtihlleoirrdtehresrpmeacilfipcrtoyppeerstieosf, indsiuslraetgioarndbineg pthraecttiycpees oofn athsbeesptaorst foibfetrhsethmeyanucofanctatuinr.erTshaensde ceonvnitrroacntmoresnmtalakeeviatluimatpioonssibpluerptoosreesc,onastwruocrtk, ifnogr poof pausblaetsiotonsthfiabtehr.as a "pure" exposure to one type glaFsisbraobuosugtla4s5s%: Thoef ihnissutliamtoer. wTohreksse wgliathssfifbirboeurss aalruemminaudme o, fcamlcixiutmur,esmoafgnseilsiicuomn,dbiooxriodne,aonxdidoetsheorf acdiadlitiinvseus.laItninggenperoradlu, ctthse hfiabveersaofmmeaonst dcoiammmeeterr otofg4etmheircrobnys aorwgarteear-tebra.seTdhephfiebneorlsicarreesibnonadnedd bcularnekd.etsDuarriengforomredaftienrtothtehecuarpipngro,ptrhiaete gmlasas terIinalos:urfolarboexraatmorpyl,e,wpeihpaevecoovpetricinagllsy adnedterbmloicnkesd. tfhiberoduisamgelatessr iinnsmuliactrinognsmoaftevraiarilosususseadmpinlesouorf adrieaam.eTtehr,e 1a1ctoou1s4ticmalicmroantse;ritahles bhuaivldeintgheanldardguecstt TABLE I Typo and For Cant o f A ibotto t in insulating Products Usod in tho San FrancUco Boy Aroa TYPE O F ASBESTOS 7 , BY W E IG H T NO PRODUCTS Chrysotile 10-15 2 3 C h ry s o t il e 85-100 3 A m oiite-ch rys o til* IG -tS A m o s ite A m o s ite 10-15 95-IQO 33 January 1968 Volume 10 No. 1 miniscurloantiso;na, n4dtoth7e mspicercoianls;hipgihpetecmovpeerirnagtu,r4e tmoa6 terial, 1 to 2 microns. p e A r dhes cent i voef s asonldvecnotastinugsse:dIningetnheeraal,dthheesitvyepse aanndd fcaocattuinrgerprreopdruescetsntwateivreesobotraitnecehdnfircoaml dtahtea smhaeentus. AThreeareacacroeunntiinnegtefoern9p0r%odoufctthse umseadteriinalsthapeplBieady. hTyhderyoccaorbnotanisn (tnhaephftohlalo,whienxganseolavnedntos:thearlipphetartoic l(exuymloldisatnildlatetos)lu, okle)t,oncehs,loarrionmataetdic hhyyddrrooccaarrbboonnss c(hmloetrhoyeltehnyelenchel)o, riadned, triiscohplroorpoyetlhyallecnoeh,ola.ndThpeesre- mtimatee.riaTlhsearseolvuesnetds bayrethine icnosmulbaitnoartio5n%woifthhias pnaurmafbfienrso. f plastics, organic and rubber resins, and twTohgerouusepso: fththoessee csoonlvtaeinntisngcafnrobme 1d%ividtoed1i0n%to. t1w0%o gtroou9p5s%: cboyntwaieniignhgt.frTohme 1fi%rsttog1ro0u%p, agnedneihraolslye cwohnitlaeinsthteheseaclcoonhdolsgaronudpartohme atcichlohryidnraotecadrbaonnds atulitpehsatthice hmyadjroorciatyrboofnsth. eTnhienelatetetenrpgrrooduupctcsounssetid in the Bay Area. terOiathlsert:hTathitshegrionuspulcaotonrtauinssest.heForaemmaignlainsgs mmaa t1e0rimaliscraornesainmidxitaumreeteorf)gleaxspsacnhdipesd (bgyrehaytedrrothgaenn wsuiltfhidceorgkasanindtroubblboecrkmfoatremrisa.lsT,hiissmpariondluycut,seadlofnogr ruesferdigienraatinonevienrs-uinlactrieoans.inPgoalymsotyurnetn,eesspaerceiablleyining tahree naroetabeoifngcruysoegdenbieccsa.uPsoeloyfuareltahcakneosf,aadteqpureasteelnyt trained personnel. toEanvmiruolntmituednetalosfumrvaetye:riTahlse iannsdulaetnovriirsonexmpeonsteadl sptoressusreesf.oTrothoibsttariandae "fcolraessviecrayl"otnime eo-fwtheeigshetceodnedxi ptiroenssenitsdiamtapotshsaibt lew;ilhl oinwdeivcaetre, tihteisvaproiasbsiibliltey toof tghreosuepsexwphoosugreesn.eIrnalclyonsttraaystitno tohtehesraomcecuwpaotrikoinnagl echnavnirgoinngmeenntv,irtohnemiennsut;latthoer iwsoirnk aloccoatnitoinnsu,oumsaly ttieornia,lsn,opisoesitlieovne,lsh, uamniddiotyt,heter mvpareiraabtluerse,arveenitnilaa sstualtaetoorf afllsuox.rEesnuvlitrofnrmomentthale etxrapdoessuraersotuondthehiimn, Journal of Occupational Medicine Balzer osurdcher taosbwetetledredress,cpriabientthereswaonrdk efnivreirpornomofeenrst., thIne jboebesn pdeivrfiodremdeidntobysitxheareinass:ula(t1i)ngPrwefoarbkreircahtiaovne: s(h1a0p%edoufsihnigs htaimnde)ormpaotewriearlssaawrse; p(2re)-cauptplaicnad mtioenr:ed(,4o0%r coarfvheids,tiamnde)atmtaactheeridaltsoatrheefistuterdfa,cheamby wmiartienrgiaolsr galureingc;oa(3te)dfinwisihthinga:sb(e3s0t%osofchonistatiinmine)g ctreomleeunmts-,braesseidnss,eaalsebress;to(s4)ortecaortitnogn oculot:th(,10o%r peof thhies tpimroec)esrsemofoivnasul loaftionlgdoorrrueninussualbalteinmg;at(e5r)iamlsiixn finibgr:ou(s5%glasosf, ahnisd tcimeme)entms ianreeraml iwxoedol,seapsabreastteolsy, ogernienraclo:m(b5i%natioofn hinisbuticmkee)ts colreatrnoinugghsu;panodf o(6ld) insulation, transporting of materials (Fig. 1). foDr duuststeexpxopsousruerse:s Thhase beenevnirolinmmiteendtatlosaarmeapslining waphpilcihed.asbestos-containing materials were being daItna owrditehrtpoacsotmsptuadreietsheoefnsvhiirpoynamrdesntaalnsdamtepxltiinlge mmiildlgs,etonime psientgeorf. sRaemsuplltess owfasthetasekensamuspilnegs athree sburemamthainrigzezdonine Fanigdugreen1e.rTahl eaidrastaamrepplerse.sTenhtessbtoanth cdaanrdCmoentfheorednocfecooufnGtionvgeprnremscernibtaeldIbnyduthsetriAaml Heryi ggireaninisstsar(eApCoGolIeHd)inwtahseutsoetdalacnodunbto. th fibers and 66T%heofsttahnedsaarmd pelreromr eoafnsthsehmoueladnfainlldiwcaittheisnththaet ainrdeaicsatweditharetah.eAhsigchaenstbedsuesetncfornocmenFtirgatuiroens1,athnde etexacreiendginogutt,heandpremsiexnitngT. LHVowareevepr,retfhaebsreicatthiorene, ainrgeatsimacecowuhnetnfoarplpelsysitnhganas3b5e%stoosftmhaetemriaanls's. work paSthioncgeenmesoisst oinfvaessbteigsatotosrssudgoginesgt rtehsaetartchhe ifnibtehres mplaajyoranemimphpaosristawntasppalratceind othneobdtiasienaisnegpfriboceerscso,na centrations under various working conditions. evTalhueatminegmthberaennevfiirlotenrmheanstapl reoxvpeodsusruecctoesfsifburlouins mlecatteedrialuss.inTghemmilelimpobrreanteyfpielteAr Asamfipllteesrswienrefcieolld mploernsitoarncdasaetstaacnhdedcotnonetchteedwtoorpkeerrssonfaolrapirersiaomds ranging from 30 minutes to 2 hours. The fibers 27 Hygiene--Insulation Workers PREFABRICATION APPUCATION riI_. oZ FINISHING TEARING OUT MIXING GENERAL f 4 -4 -4 --4 r-4 i~ 4 "1I MEAN . Ji RANGE 1i STANDARD ERROR OF THE MEAN J ____I I I T i l l 0.1 TVJLt-i-l-U -10 .1 I.. I 1 .1 I 100 MILLION PARTICLES PER CUWC POOT fig. 1. Midget Impinger Count) by Job Closffification. wofertehecofuinltteerdubsyincgleaarinmgoadiwfieeddgtee-cshhanpiqeudeseogfmtehnet UtraSsPtHilSlumatin4a3t0io-Xn. magnification using phase con teTr ismmbarelllel'rs cthriatneri3a.5formriecsrpoinrsa)b1l8e wfibasersus(eddiamfoer cshlaoswsisfitchaatitornesppuirrapboisleitsy. iHs disepeexnpdeernitmoenndtaialmweoterrk, n3o:1t lwenagsthu.seAdnfoarspdeicffterraetniotiat(ilnegngbthetwtoeewnidathf)ibeorf a9n8%d a dgrtai2n%. Doefpethnedinfigbeornsthceouwnotrekdinfgalcloinndtoitiothniss, rgeivspenirainbleFicgauterego2ryb.yTjohbe cfilbasesrifcicoautniotsn.per cc. are meSaosluvreenmt eenxtpsohsauvreesb;eeOnnmlyadae sumsianlgl anuKmitbaegrawoaf dareotemcatotirc khiyt darnodcaarbcoonms.buAsttibplreesgeanst inndoicraetaodrinfgosr hHaovweeavpepr,rosainccheedthtehree TarLeVofftoernthweelsdoelrvsenotpselriasttiendg. ithnethdeecosammpeosaitrieoan, ptrhoedruecitss fsroomme ccholonrcienranteadbhoyut dArdodciatriboonnals,fii.eel.d, pshaomsgpleinnegafnodr hsyodlvreongtenexcpholosruirdees. IS co n tem p la te d esp ecially in a re a s where men 28 aamreplwe,o,rinkinshgipusn, dveerntciloantfoirnesdhacftosn,deittcio. ns, for ex thaTtemafpfeercatstumreosatnodfhtuhme iwdiotyrk: eArsnoisthtehreceoxntdrietmione taenmdpheeraavtyuriensduasntdriahlubmuiilddiitnyg. gIrnoutphsethceomhummeirdciitayl mtemeapsuerraetmureentrsanrgaensgeodf 3f2romto 12100tFo. T10h0e%mawriinthe cmoonssttreuxcttrieomn eacnodndrietipoanisr, aglrtohuopughextpheerireanncgeesthoef tgermouppesr.aTtuhreesextwreomuleds mcoeamspuarered owniothne othfetheojtohbesr were 95% humidity and 95F. maNdoeisues:inSgouandgelneevreall mraedaisourteympeen1t5s51h-aAvesobuenend lreevaedlinmgsetearb. oIvnege9n0eradl.,b.fewHoawreeavserh,avief scuhsitpapineersd, icnhathuelksearsm,eriavreetae,rsre, aadnidnggsrianbdoevres 1a0r0e db.be.inagreusneodt unneceodmfumrtohne.rTsthuedsye, ssppeecciiffiiccalslyhoorct-tativmee-baenxdpoansuarleys seirsa.lTahgerepermeseenntt osfourneaddilnevgeslbdeatwtaeesnhotwhse aBrgoeand Bwaonrkd Naeretwasorwkhaennd tohnelyC-sBmaanldl Ngreitnwdoerrks inangdensetruadl welding guns are being used. January 1968 Volume 10 No. 1 PREFABRICATION nr Balzer ze 2dCas TEARING OUT II_____M_IX_I_N_G m | MEAN ji RANGE | I STANDARD ERROR OF THE MEAN o.i J ____I___ I I I I I 1 J __ i FIBERS/CC i m l10 J___ i__l ,1. i..J--l 1.1 100 Fig. 2. Fiber Concentration Based on Membrane Filter Sample* bp Job Classification, Discussion thrAesnhyoolnde lliomokitingvalauteth(eTLprVe)senotr b5asims pfpocrf thaes rGeocvomermnmenednetadl IbnydutshteriaAl mHyegriiceannistCs o(nAfCerGenIHce) ionf T19h4e6mreeatlhizoeds uthseadt iitnissentotitnbgasthede ostnansodlaidrdeivnicdleundcees. atilol nduosfttsh(ebaostbhegstroaisnfsibaenrds ftihbaetrsw);eraendcoallleacrtgeed phoard wa edlilabmeelotewr,twheherensovliveiwngedpoawt e1r00o-fXthmealgignhifticmaitcioron, scope. triRalechoyggnieizniinsgtsthheasvee iunsheedretnhteeirmroprisn,gmerosctouinndtuass acennitnlyditrheoctugmhetatshuartedoufsdt ucsotucnotsntarovleraangdinugnbtiellorew t5osmisp. pCcofowpeoru,1l*dincohinstrroelvitehwesionfcirdeecnecnet eopfidaesmbeios- ltoogsiiscaalnsdtuitdsierselraetigoanrsdhinipg ttohetheinpcirdeesnecnet tohfreasshboelsdlsiumpiptovsaitliuoen (iTs LnVo),lomnagkeerstirtuev.e8r,1y*1c*l-e15arOthuart othwins satlusodieshsoowf thoveeirn-saulllaetniovnirwonomrkeenrtsalindtuhset BcoauynAtsretoa bcheanbgeleoswhtahvee TbLeVen; hoobwseervveerd, dienfinoituer raAdsiboelosgtoics Journal of Occupational Medicine Uthnaitotnhepporpeusleantitotnim.18e-Twheeigsehtoedbsaevrevraatgioenosf i5nmdipcpactef ftoerr aassbbeessttoossisinndoutstprrieesv,enbtyinrgedausbceinstgosdisu.sTt hceoubnetts twioenll abnedlowoththeersTaLVde,chraeavseesdhionwcindteonctheeoifr saastbisefsatocsthise.ITmHaloigwneavnecry, eqvueenstwiointhhathsenroetdbueceendaenxspwoesruerde.s, veAntsebdesbtoysisinisntitthuteiningsuthlaetinfogllwowoirnkge:r ctaontabl ewporrek ednucsltoysuraerse,ase,xhpaeursstoannadl froerscpeidraatoirryvenptriolateticotnioonf, tcehraianlgse.sAinll wofotrhkehseabpitrse,veanntdivseubmsetiatsuutiroens ocafnmnoat btoe aedvoeprytedjoibm. mTehdeiaitnedlyusatnryd amreusatllandootptapspolmiceabolef tmheesnetalchdaunsgteesxpinosourrdeserantod, rtehdeurceebyt,heexteennvdirothne woPrrkeifnagbrliicfeatoiofnthoefimnsautleartioarl.s should be done in an soppreany-epnadinbtoboothothw.iTthhisexwhiallusstubfasntasn,tisaulclyh raesduthcee tshheouolpdearalstoorb'sedeunsctleoxspeodsiunrea. Tbhoeotmhixanindg aonf mauutdos mlevateilcs mthiaxteorcbceuruwtilhizeendt,htehseerembyatecroianltsroalrliengmdixuesdt in open areas. This operation could also be done 29 Hygiene--Insulation Workers imnancyenotfratlhearmeaasterainalds tdroucnkoetddrtyo otuhteifjothbeysinacree keTpht etiguhsetlyofcolovcearelde,xhaust and forced air fans in tshawe sw, owrikll aarlseoa raendduceonducsetrteaxinpoesuqrueisp.mIetnits, ail.eso., rceaaulsizeefdewthamtetnhiws oisrkiminproanceticaarleaonlosnogmeenjooubgshbteo jsuyssttiefmy .tHheowseetvteinr,gwuhpenoflaarngeeblaobiloerraatne dvgenentielartaitoonr jsoybssteamrse sinhopurlodcebses,ulsoecda.lTehxihsatuyspteoorffsoyrcsteedmaicrofualnd atelsmopbeerautsuerde taondcoohlutmheidmityen, sinucahreaass oifnexmtraerminee coTnshteruucstieonofanpderrseopnaailr.respiratory equipment is vdeervyeliompmpoernttanotf,abmutawskhtahtaist hmaosrae ifmiltpeorrwtaintht iasltohwe frietsteisdtetnoctehteo maiarnfloawndawndeaarfaabclee.pMiecoestthoaftthiseeparseilsy esindtesmhaaskvsindgoanhoitgfhitrpersoispteenrlcyeatnodfltohwe, fcilltoegrs,vebrey fqiultiecrklfyre. qTuheinstlmy,aokresasitisnmecoesstsaorfytentothcehacnagsee tthhee mwoenrk.siAmnpolytherermfoorvme othf eremspaisraktoarnydeqcouniptimnueent tios tehneousguhppaliiredtoaicroorelstphieramtoarnwahsicwhesllhoausldmesuetpphliys pahnydsicoolmogpicresnseoerdssy. sTtehmiss raenqduiirsesseledlaobmoreactoenohmosie cthaalltypfeerassoinbalel aoirr sduepsiprlaibedle.reBspuitraittoriss wsuitghgethsteeidr oexwpnospuorwe esrucuhniatss pbreefuasberdicaintioanreaansdotfeahriignhgdouustt. Ampadperoapvriaaitleabrleespfiorratuosrey ipnroaterecatisonwshheoreulhdigalhsosoble veCnthacnognecsenintrawtioornksperxaicstti.ces such as the use of a wthaeyterarsepcrauyt wtoouwldetsduobwstnanstoiamlley mreadtuerciealtshebedfourset euxsepdosfuorrec.leIannd-uusptriinasltevaadcuouf mbrosowmese,ptehrusscreoduuldcinbge tshueladtiuonst cloevueldl. bIen daodndeitiwoni,thtelaorcianlgeoxuhtaoufstolhdosiens cwoonunledcrteeddutcoeathveacpureusmenstwheiegphelre.vAellsl othfedsuesstteepxs pcloossuerde paltasthtiecsebavgasrihoauss ajlosbos.bMeeinxinsuggogfesmteuddsanind tarvieaidl,abbleu.t data on acceptability is presently not glaSsusbisstiptuostisoibnleofunndeewr mcearttearinialcsonsudcithionass, fbiburtouast plorgeisceneftfwecetsdoofnfoitbrkonuoswgelnasosugtoh asubgoguetstthethpehytositoal 30 csthiatuntgioentoofthnieswprmoadtuecrti.alWs thoenrepprloacpeosaisnbgesthtoes,suthbe ethnegsienemerasteorfitaelns.haAvseberestaosso,ntsh,etoyo,ffeoerl,niost cthheangoinnlgy porfomduacnt, twhaetawthielrl,wainthdstamnadchthineedsayw-ittoh-oduaty iamddpiancgt smoemtael. aTdhduisti,oantalprepsreontetcftoivrethecomvearriinnge, csouncshtruacs ntioonecaonndomheicaavlyoirnddeussitrraiballeinsusublsattiitountejofbosr,atshbeersetoiss icnosnutlaaitniionng pirnosduulacttisn.gInmfaatecrt,iatlhseinusteheofBaasybeAstroesais on the increase in heavy industrial construction. Summary chTryhseotailsebeastsobseswtoosr-kceorntiasineixnpgosmedatteoriaamls,osfitiebraonuds ignladsuss,trcioarlka,npdlacstoimcsm, earncdialadbhueisldivinegs. pWroojerkcitnsganidn mmaarniyneocthoenrstreuncvtiiroonnmanedntraelpahiarz, ahredsisneoxtpocrseeadtetdo by his own trade. proAdluthcotsug4h5%heowf othrkes twimiteh, athsebesotovse-rc-oalnltatiinminegwmeaitgehritaelds aivsebrealgoewexthpeospurreesetontalysbreesctoogs-ncioznedtaiTnLinVg loefv5emlspweeefr.eTahbeotvheretehewToLrkVar(eparsefinabwrihciacthiotnh,etdeuasrt ionfghiosutto, taanldwmorikxitnimg)e.aHccoowuenvtefro,rthleesisncthidaennc2e0%of roavdeirog2r5a%phiinc ochuarnmgeesn iwnditihcat2i0veyeoafrsasobresmtoosries oisf pwroerske.nTt hTiLs Vanids tootohehrigehv.idence suggests that the naInnccieidseinncetheofaasbsbeestsotosswisoarknedr tchaen rbieskreodfucmedalibgy ltoerciaallsa,ndchgaenngeersal ivnenwtiloartkionh,asbuitbsstiatnudtionpeorsfomnaal roefspthireatmoreyn ptrootercetdiounce ctohmebirineodwnwietxhpeodsuurceastiotno asbestos-containing dusts. Alba9n2y6, RCialeliyj. D94r7iv0e6 References: 1. 1A2u0r-3ib5a2u,1l9t0,6M. .: Bull Imp Trav (14th year) Paris, p. 2. Ebelsltkoasins,, BP.r:itPJneRuamdiooclo7n:i2o8s1is,1: 9P3a4r.t XU. Pulmonary As 3. PFl.:eiAschHere,aWlth. ES.u; Vrvileeys,oFl .PJi,p; eGClaosvs,erRin.gL.OanpderDatrioinnkseibn, C(Joannsutraurcyt)ing19N46a.val Vessels J Industr Hyg & Tox 28:9, January 196S Volume 10 No. I A. PPenneduembcorcaosnsi,osEe.s,PA.:mSJiliRcooseinstgaenndolaRFoedwThoefrtNheudOMtheedr 80:1 (July) 1858. 5. tLioknasihoanitA, sGb.esLto. sainsdASnannOmcbcsuopk,HJy.gT6.::6S5,a1m96e3O. bserva 6. SELiKorr. I. J.; Chdrc, J. and H ammons, E. C.: Asbestos Exposure and Neoplasia JAMA 188:22 (April) 1964. 7. Ahlwan, K.: Asbestosis Among Insulation Workers In FHienalaltnhdP. roIcneteedrinnagtsio, nVaiel nnCa,oAngursetsrsia o(SneptOemccbuepra)ti1o9n6a8l, pp. 19-24. 8. DSeuvnenr,alJ.OEc.cuapnadtioWnailn,GJro.uMps.: FColalonwceerd EPxrpoesrpieecntciveeolyf Am J Pub Health 55:1367 (September) 1965. 9. Keans, W. T. and Zavom, M. R.: Occupational Hazards gouf sPt)ip1e96I6n.sulators Arch Environ Health 13:171 (Au Balter 10. MOvarekrh, aWul. TA.m: AJsnbdeustsotrs HEyxgpoAsusrsen DJ u2r5in:2g64N,a1v9a6l4.Vessel 11. Sxukoit, I. J.; Chusc, J. and Hamuonb, E. C.: The tOhcecUurnreitnecde SoftaAtessbeNsetowsisYAomrkonAgcIandsuSleattio3n(32W:1o39rk, e(rDs ein cember) 1965. 12. ATicmabdrSilcli, 1V3.2: :T25h5e I(nDheacleamtiobnero) f1F9i6b5r.ous Dusts Ann NY 13. EConovpikrobn, WH.eCol.t:h A15sb:2e8s5tos(SaesptaemHbaezra)rd196to7.Health Arch 14. Wells, J.; Comments on Environmental Measurement Ann N Y. Acad Scil32:335 (December) 1965. 15. Fanis, B.: Personal Communication, 1966. 16. Balzer, J. L. and Coops, W. C.: Unpublished Data, 1967. 17. WMiotrckhselAl,rcJh.;KHnveiarlothn PHreoaglrtehss3*i3n7,a1n96A1.sbestos Textile The Clinical Mind ofBhyisawndorlkargthea, nI tthhienkthietocraenticbieansaoidr tihnvatesthtiegaptroarc--tiitniofnaecrt,haasdaifdfeifrfeenrtenwtavyieowf bthuint kaicntgionab. oSuutctcheesswfuolrladc.tiFoinrsits, tphreefaeirmredof, tbhuet pervaecntitaiocntieorniswnitoht kvneorwy lleidttglee fcohranthcee porfascutcitcieosnseirstototabkeeparcetfieornrefdoroivtas:onwonascatkioenoanttahlel.sTphueriroeuiss aassteunmdpetniocyn ttohahtadvoeintgo sboemlieetvheinign iws bheatttehrethisandoninogthiinng.orSdeecrontod,ptrhaectpicraec--tittoiobneelrieisvelikthealyt wdihffaetrehnecedobeestwdeoeens sguococdesrsatahnedr ftahialunrehararmth,earntdhatnhantowdhifafetrheencdeoaetsamll.akInessotfhaer apsrowbloermksc,hdaertaecrtmeriinsitnicgalwlyhreetvhoelrveosranroout nodnea hsearsieascohfiecvoendcrseutcecaenssd iisnddiivffidicuuallt aecntoioung,h,inletthealfoancee tohfeamcabuisgeusityofthsuecpcerassc.titGioinveenr ias mcoomremliitkmeleynttotompanraifcetsictaal cdeetratacihnmweniltl, teolsbeewliehvyeaicnt tahteavlla?lu(eHoofwhicsouacldtioanpsrtehsaennt-todamyapnsiyfecshtiaatrsikset pwtiocrakl idfiahgenobsieslieavneddththeeefefqeuctisvoocfapl sryecshuoltths eorafpcya?reAfunld shtuodwiecsooufldthpehyrseicliiaabnisliwtyorokf 3c0a0usyeeoafrsthaegoco?)mpTlheixridt,ypaenrdhavpasribeetycaoufstehoefchoinscarectteio,nthoerpiernatcattiitoionn, epreirshaapfsaibrley tchruandeonprtahgemorayt,isat,ndprpornoenetotorteilnykeornifahpepadroeenst n"ortessueeltms"tofobrehgiesttginugid"erersautlhtes"r lbaytioconnovfepnetirosnoanlalm, efiarnsst-.hFaonudrethx,ptehreiecnlcineimcioanreisthparnonaebstotratrcutsptrhinicsiopwlens oacrc"ubmoouk hkinsowwleodrkget,"haptacrtaincnuolatrlbyewtrheeanteidt rcooumtienseltyo. dTehailsinrgepwreitshentthsosae ceelretmaienntssubof jeemctpihvaissmizeinthehiidseaapopfroinadceht.erAmnindacfiynaolrlyu,ntcheertapirnatcytitthiaonnetrheisidmeaooref rpegrounlaerittoy orerprleaswefnutls baechtuaavliodr.efWiciheentchieesr ionr anvoatilathblaet kidneoawloefdgiendoertertmecihnnaicqyuef,aiitthfduolleys proInvidheisthceomprmaicttmiteionntetrowaicthtioan,bahsiiss ffaoirthd,ehfeisndpinragghmimatissemlf,frhoismsfuabiljuerceti.vism, afrnodmhtihseesmcipehnatissits. on indeterminacy, then the practitioner is quite different --FCraonmcer"TSohceiePtyr,oIfnescs.i;oMnaalyM-Juinnde"18b6u7.Etiot Freidson, Ph.D., in CA, Journal of American Journal of Occupational Medicine 31 *FGH68010* FOH68010 C IS T I Document Delivery Service in partnership with the Canadian Agriculture Library THIS IS NOT AN INVOICE / CARRIE WATERS WATERS & KRAUS LLP 3 2 1 9 M CKINNEY DALLAS. 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