Document OERnZBrJykdz3ROY9zYmYv0rv

FILE NAME: National Safety Council (NSC) DATE: 1934 Oct DOC#: NSC185 DOCUMENT DESCRIPTION: Transactions of the NSC - 23rd Annual Safety Congress - Presentation - Dust in Industry 22 Twenty-third Annual Safety Congress--National Safety Council thesWe HmEeRasEuAresS . intthoereeffeisct suaenhd pstroepssinthgeseneendeedfolerssprtoramgpetdieesx;ecutive action to put specTtfHuEllyR EuFrgOesR EtheBEPreIsTidenRtE SofO LthVe EUDn:itedT hSattatethse toNactaiollnatlheSaGfeotvyernCoorusncoifl trhee sfoerveerathlemStatthees sienrtiooucsonnesfesreonfcetheas sietauraltyionin, tthhee rneemwedyieesarwahsichprahcatviceabbleee,n todevlaeylopbeed afollr tchoerreSctatitnegs ttohesaedocpotndaintdionms oarendentheregenteiccaelslsyitycafroryr pornomanpt eaffnedctiuvneitepdrogarcatimon foinr the protection of life and limb on our streets and high wavs. * guesBtys afoprpmroavledmottiilolsn,acatniodn boyf atherisiCnogunvcoilte,ExtheecuteinvteireCoamudmieitntceee. of delegates and PreFsiodlelonwt inofg tthheis,UnLitt.e-dCnlS. taKteesn: inger read the following letter received from the the. w h it e ; HOUSE My dear Mr. Long: W ASHINGTON September 27, 1934 at tIhewitswhenttoy-tehxitredndAntonuathl e SmafeemtybeCrsonfoefretnhcee, Nmaytiomnaolst ScaoferdtyialCogurenectiiln, gsin ansedssimoyn heartiest good washes for the success or your endeavors. keepTihneg ifnactviethwat huymouan arvealuceosncaenrndinpgersyoonuarlselsveecsuriwtyithcomsamvienngds lifyeo,urthaptrogyroaum artoe the entire country. towIardam thgereealtilmy iniamtipornessoefd aacncdidepnltesa,seedspewciitahllythehigchownsatyrucdtiivsaestesrtesp, s wahlirceha,dybetcaakuesne auvtmoiodsatblee,nearrgey daonudblypertsraisgtiecn.ce.ThiIs Itiims aatelyprowbleemmawyhicehxpewcet tmousrteaacthtactkhe wsiothlutitohne ogfivehnigthowacyoncsearlteetdy. epltroorvtisdeodf gcoromupplsetesucchooapseraytoiounrs. onAttheprepsaerntt othfe alrlisicnigtizetonlsl oist wfaetalairtieesstoilnl fraoradfsroamndthceitygotahl.oroughfares indicates in a manner all too grim that m u nAicma teiroinc as n wahuitcohmhoativvee gdiveevnelospigmneanltscoanntdribouutironusnetqouaolulerd cosynsvteenmienocfe, highway phnsurc . coamnd commerce, must not be permitted to devolve into instruments of death and disaster. spleIndaidssuprerogyroaum oftomiyndkueceen cpoeorpseornaatilonintaemreostnginevyeoruyr ceiftifzoernts ianndoucromnmateionnd ywoiuthr mthoestmporveecmioeunst nloaotukrianlg rteosouthrcee pwrehviecnhtiomnusotf hneeeednldeesds. fatalities--a drain upon our Very sincerely yours. FRANKLIN D. ROOSEVELT. PMrre.sidJoenhnt. EN.atiLoonnagl. Safety Council, c/o i levcland Hotel. ClevPerleasnidd.enOt hJioo.hn E. Long then arose and introduced Mr. Harold G. Hoffman. CIloismmwiiststyionienrtroodfucMtioontorof Vtheehicslpeesakoefr NofewtheJeervseenyi,ngw. hHor.prJeoshidnedl.. asDaTviosa, stomf aNsteewr. YpeorrhkapsC,itbyy, wthaes bhriigllhialynt aapdpdrerecsiasteodf bDyr. thDe avbiisg, haiumdsieenlfc.e: and was only surpassed, DesDpirt.e Dthaivs ishawndaiscapli,stehde sienizethde thperoogprapmortutnoityspetoakproensen"tThae hiSgphliyrit poopf ulAarmemriocnao.' alongdueit--wsoasproepaudlialry iangrfeaecdt, thafatterhiasn suhcilcaersisoums osuenssteiodn,sttehaadtilynothbraonuqguheotuot fththee eCveonuinncgi:l had approached this for many a year. ADJOURNMENT T W E N T Y - T I I I R I) A N N U A L S A F E T Y CO NU R T S S N A n o N . I I. S A F F T Y CO U N ( / I. Dust in Industry FRIDAY AFTERNOON SESSION October 5, 1934 Dr.TEhe. Gse.ssMioenitedre,voDteirdecttoor.a Idnidscuusstrsiiaoln HofygDieunset LillabIonrdautosrtyry, Ewmasplcoaylelersd MtoutouradlerLibay bdiellietygatIenssuarnadnctehenGoi..ntrModiluwceadukethee, wfirhsot sppreeaskideerd. . Dr. Meiter briefly welcomed tit Types of Dust That Cause Occupational Diseases By LER O Y U. G A R D N ER , M.D. D irector, Saranac L aboratory for the Study of Tuberculosis, of the Edw ard L. Trudeau Foundation, Saranac Lake, N. Y. canTthoelersapteeakveerry-.aildargine pamarot:untsExopfermieonscte kliinasds deomf ofnosrteriagtned dtuhsatt ptahreticlluen-g wtiisthsuoeust dseursitosuswiitnhternfoereenvcideenwcieththfautncrteiosnp.iratTiohne ilsunigmpmaairyedh.e iBntuetnsdeulystspicgommepnotesded,byincowlohroelde gorrowinthpaorft,thoef csoilnincaectbivaeretisbseueens sohfowthne tloungbse adnadngberrionugs abbeocuatustehe thfeoyrmsattiimonulaotfe scthaer triessspuier.atioTnhiasnddesittrotyhsicktehnes ntohremadlelieclaatseticmityemobfranthese soorgathnatwahicfhreeis innteecrecshsaanrgye Dorl gofassveesryislairmgepedqeuda.ntitFieosrtuonf asteilliyc,a. these results only follow the prolonged inhalation animEaxlpserkimillesntsthehacveellsdemwhoenrsetrattheed sthuabtstatnhcee inlojedcgteiosn anodf seixlicciatesintaon thinellatmissmuaetsioioi.t MWohsetn nhoeila-lsiinligcetoauksesdupsltascepraodvuecrey ndoensinellaanmdmcahtiaoriiacatenrdistvicerykinlidttloef --ccaarr. tiIstsuheasforbmeesn. ashreowvnerythafitnes,ucthhrecehamngicersondsoornoltessfolilnowdiatmheeteinr,jeacntidonunolfesssileicnaouguhnleosfs tthheem plaorctiaclliezes oinccounrse awrietah.in Wa iyteharl.argAesr apagrteicnleersalthreuler,atteheoffirneearcttihoen pisartsioclesslo, wthethamtolriettlreapcihdanthgee citelcluolnatrinureesspofnosre.a pTehrieodreoafctyioenarst.o fine silica begins within four or five hours and suchIf athcteivesiliacnad isprcoogmrbesinseivde wcihthangbeass.es Tinhethesilfiocramte ooff smiliacganteess,iuimt , raarseblyestopsro, dudcoeess bcauutsemothste oftohremratsiiolincaotefs scaraer ntiosstugeenineraelxlyperriemcoengntailzedaniams alisrriatantdingin. thReecheunmtlayn itlulniags, biisseeronefstepcnolanaismsisbeoldeciaftotheradtmwoaistthhyoqfdurtaahrteetzdcaassneidlsicioattfehsaisolifcboeaselisun.miidTneuhnmitsifiesaidnlidcinatpeto,hteaassltuiruanmngss,foocrfamlpleeeddrsofsenelsdriscpsiuatefr-., - 23 24 Twenty-third Annual Safety Congress--National Safety Coitneil fseigrinnigficafrnotmchsailnicgoessis.whHenowienvjeecrt,edat ilnetaostantwimoaltsy.pesEoxfpesreimriceintets hwavieth fatihliesd stuobsetxacnictee acrhearastcitlel riisnticprocghraensgs.es Kinaoltihne, alnungalsmnoifnor-asbilbicitast.c oBf uptotoaushr , phraesseanltsoknporowdluecdegde qduoietes notMpoesrtmoitbsuesrvteorsasnsouwme btehliaetves,ilitchaattesuanscoambcliansesd wsiilllicpa,rodour cequsaerrtizo,usistispsouiesodnaomusaget<.> mtheajotrisitsyuesof btehceauesxepeitrimisenstlaolwloybsdeirsvsaotlivoends isnugtgheest flauidcsheomfictahle inbjoudryy., hCutertiat inislyditfhfie cduislstoltvoedunwdeitrhsitnandeighhotw heonuorusghto ofprsoudcuhceana inwseolllubmlearskuebds,tanaccueteasinqlluaanrutznatcioouul.d bIef sthoelubiniljietyctiowneroef tthhee omnolyre farecatodrilyonseolusbhloeuldsilidcaistecso,vebruta sumcohreisacntoivt ethreespcaosnes.e aIl'nter-r mquearrltyz ipt arwtiacsleshewlderethabteliseilviecda ptorodauircreadid itths e eflfuencgt msuercfahcaensicaalnlyd. exTchitee hthaerd fosrhmarap tfioorn wohfenscaarnimtisaslusearaes ainjmecatnedileswtaitthionothoefr hheaarldin,g.shaTrphispatrhtiecolerys liiskenodialomnognedr, tcciaurjbholc orufndscuamr toisrsuael.umiUnlutmim aotxeliyde,it thmearey ibse nsohoiwnfnlamthmatatitohne airnrditaptiroancticoafllsyilincao ifsormdma-tiotno somWe huennreqcuoagrntizzedparptircolpesertayre poinshsiablleyd rtehleaytedprotdouciets thatroeme icspesctirfuicctuerfefe. cts which are npoutlmeoxncaitreyd pbhyagaoncyyteost;hetrhetyypsetimofuladtuestthyeetfosrtmudaiteiodn. ofThceirycuamltsecrribtheed bneohdauvlieosr ooff scthaer tciisaslulye: tuanbdercthueloyussuibnsfeeqcutieonnt.ly increase the susceptibility of the lung to infection, espe subsPtahnacgeo.cytAess tthhaet ceinllgsesdtietotoheymalnibyerqatueartthzeipr arbtuicrldeesn aarned ksiellveedralbynetwhisphiarrgiotactyitnegs caoccmuemuoluattetosotatkheat itmaunpy agofainth. emByingaesrtepoentliytioan foefw thpiasrtipcrleosc.essUenndoeurghsucphhacgiorccyutmes ostfantchees ctehlles.stimThueluys niastunroatlly-tr<temngd etnooulegahvetothkeillaibrut-pmaceerse,lyenatcecreltehreateEsmtphheatmicotivlietsx stheles iannfdlueanccceumouf latthee inirrtihteatilnygmpshilicnaodeasn.d Tvheirsy pcrooncseisdserbaebcleomnesummbeorrse roafpipdarutincdleesr are Acfotenrseqsuixentolyr eloigchaltizerdearisn tthhee qnuoadretsz. in the nodes has caused a marked over gtoroswutchh oafn tehxetefnibtrothusat etlheme ennotdse inis tehnestierelsytrurcetpulraecse.d bUyltaimmataeslsy othf ecoraerascet,iognladsseyvelsocpasr tcirsosauceh fiubproens, aonfdtencomsepvreersasl tthime elsymapshalatircgeveassseltsh.e oTrhigeindarlainnoadgee. sySsutecmh onfodtuhlees luenng iDs ucshtokneodw aancdcuemffueclatitvees raermouonvdal tohfe sluybmsepqhuevnetslyselisnhaanledd sdhuesetts isofgrsacdauraltliyssduiemidneivsheleodp. in Tthhiesselocparteiloinm. inary changes do not constitute the disease, silicosis; they involve oInnlygoothde sltyermophXa-tircay syfisltmems .thesTeheprerelismpiirnaatroyrychtaisnsgueess maarey bneot viaspuparleizceidablaes aafftehcitcekd. einngingof atnhde bsbeaaddin-wg ooff tthhee rsohoatdoowf sthceasltunbgy. thTeheblobolododvevsesesslselstoagrecthtehricwkeintheda bwecidauesne tdhuee mtoosttheimmpoirnqumtef nlyomduplehsatiocf vseilsisceolsticcosucrasre ttjhssruoeughin tthheeir lywmapllhs. noTdhese wheiathdiinng thies lnuondge.s iTnhethirsooltocsahtaiodno.w is widened because of the silicotic reaction in the lymph the Iflymstpilhl mveosrseelsd.ustThise ipnhhaagleodcytitescannownocalorrnygerit bientoefftehcetivwelayllscaorfriethde oaffir thsrpoaucegsh. tOhfetseen ltohceaticoenlsls thgerouspilictaheamgsaeilnvesstiminulnaotedsuletshe bufot rm-oamtioetnimoefs stehaery tiasrseue.scatTtehreedr.esuTlut itshea fugnecnteiroanlalthpicokretinoinngofofthtehelusnegp.ta Tbehtiws eecnhanthgee sspearicoeusslayndintuenrdfeurleastiown itthhrofuungchtoiount aasndinttheercthiassnugees olfosgeasthceairnnnootrmtaakle eplalasctiecittyh.rouLgehssthienvtohlivcekdenaeidr wspaalclsesofditlhatee aainr dsptahceeisr wpaatlilbslestwreittchh,efpferoctdiuvceinrgespthireaticoonn.dition known as emphysema, which is also incom With the formation of silicotic nodules m tnc iuMctiunirtg parts uf liic lung the droisuenadse,shsaildiocowssis. . UAssatihdeyto inbcergeians.e Omn mthaenlieXr-raanyd fislimze stuhcehy nhoidnutleo-,ut.catshte clleoanrnecruht. aficecldesntumaatyedhelintehaicrklsyhasdeoewdesd owf itthhehuhlnodordedvsesosfelssu. ch Inshaarpwlyelldemfinaerkde, droeuansdeedb,otnhodluimlaer sahnaddothwes. filmW haeprpeeatrhserbelacisk. emphysema, often at the bases, no markings are visible a mTahne hcaosndleiftitonhisofdussitlyicoosciscupisataionp.rogSreersisoiuvse roenseultasndonilty cfoonlltoinwu,eshotwoevdeerv,elwopheanltelire ltehaevyesrewpiltahcemainmyponrotdanultes fuinnctthioenalloneeletmisesunets.itseOlfb. vioAusslsyuchthenocdounletsinuinedcreagsreowinth sizoet othnalyn ato feinwcrenaosdeultehse soitbusattreudctiionn thalerealydmy phparetiscents.ystem could have little cited other mayThaerisseerfioroums preaartctiovfatisoilnicoosfisa isproit-sextirsctqannct nltatceonmt pinlifceacttiioonn ,boyr ittubmeracyuloressisu.lt fIrbomis aof nseiwlicoinsifsectpiroensenfrto. m Twhiethocouut.rseTohfe tdhaenginefrecotifoninfienctitohne isnilcirceoatisces iswiutshuatlhlye acmhrooumnet aonndseti.t oMfteannyfatiilms etso iptroidsucaeccicdheanrtaacltleyrisdtiisccosvyemrepdtomins rfoourtinmeouXth-srayor eyxeaamrsinaatlitoenr imtginrosuipliscootifc aicntdiviveidwuaolrskmweinth. inHfeocwtieovnert,haenvidinentcheosseofwditihsabuinlictoymaprleicamteudchdismeaosree. m<a>rkcceadasilosonaltlryuetuibnerocuthloersispemrsaoynsr.unTahevecrayusaecuotef tchoeursseuscinepttihbeilistyilicoofticthseubsjielicctothicut luthnigs tios tsuilbicearcuolnositsheis tinssout especrfreecattleys uandmeresdtoiuomd, fhauvtoriatblwe oufoldr stheeemgrtohwatththoef atchteionbaocftertihae. tThhee utsuubaelrcclleinibcaaclillsiymmputlotmipsly ofantdubaercduolonsliys aprreogorfetsesniveheltdissuine arbeeaycatinocne efnosrueas, lobnugt mtimizeedbebcyausthee thoebscthruacntceeds ltyomr pahbastoircptsioynsteomf. poiIstonisouaslsporopdouscstisbleof thinaftecstioomnearocf mthiensie pmoaitseolnys thmeayinhtcediaobisiorgbaeinds otnhethueppseirlichaanpda,rtsicylmesp,toamss t'dliemvemloinps anhads dseuagthgesfrteodm. tuUbletri culoTshise eonnsluyes.other type of dust which is generally recognized as a cause of severe pinulmchoanraarcyterinjaunrdy iiss masobreestorse,adailysilsiocalutebleofthmanagnqeusaiurtmz.. AThpipsaresunbtlsytanthcee ipsrofteibcrtoivues stiupcpherfirberseps iraantodryevemnecqhuaintiesmlosngseeomnesinmadaeyqupaetneettroateprienvteontthethelinienrhablartoinocnhiaolf tmubanesy. dTuhsetsse. sItnructhtuisrelsochaativoen tihrreegauslbaersittoiessipnartthiceliers wtiarlelssuwrrhoiuchndesedeamnd tiongheosltded btyhe pfihbaroguos cciyatlelsy. nuTmheerocuesllsnodro donotthesyeemmigtoratbee rappairdtilcyulianrtloy cilrurmitaptsedas foinr tthheey caasrec onfotpheasgpoe cfryatgesmednetaslindgirewcittlhy cinptioartzth. e Awpapllasreonftlythemotustbeosf itnhewmhiccahrrtyhetyheliire. buTrdheen mofildalsybeisrtrois itnagtinign dcuosltlars-eltiskeupthiackpernoilnigteroaftiotnhe otfubthese. co<n'unnectrtaivcet intnissoufe tcheellsneiwn tchoennwecatlilvse retissusulte pnearrirpohwesralorairclosspeas-cesth. e Ttuhbeese asnpdacethsertehbeyn csholultaspsoe,ff athceonidnigtiroenss knoof wanir asto attehleectmasoirse. oTfhinsuimneirtosuelsf irselaaticvaeulsye somf aflilbroasriesasorinsctahrerinlgunogf dluuneg ttoisstuhee. Tcohlelarre-lsiukletcoisnsatfriibcrtoinsgis fpilbaryosliisttlaebopuatrtmiannydissmpoasllingteromf inaaslbebstroosncdhuiaslt taumbeis.verTyheinslyigmnpifhicaatinct saymstoeumntsseeomf sthtios dusNt oarte afofuenwd cinasethse olfymasphhesntoosdiess. die of tuberculosis or bronchopneumonia hut the pSruervvaelyesncoef olfargthee gfroorumpesr oifnfaescbteiosntosiswporrokbearsblyfaiml utochrelvesesal cosumcmh oan htiigtahn inincidseilniccoesiosf. tubeTrhceuloinsihsalaastiofnouonfd uinnussuiaml ilaamr osutnutdsieosf onnons-isliilciaccowuosrkdeursst.s apparently fails to pro dtnuacye^ suilgtinmifaictealnyt ahleterdaitsicoonvseriend,thbeutlunngo.ne Itaries orefcocogunrizseedpotossdiabyle. thTaht einnjuorni-osuilsiccoonuess Tpahreticcleelsls eanrteer ntohte sltuimngulaatnedd atorc minogveestveedrybyrapphidaigyocayntdes aass a incotnhseeqcuaesneceofmaqnuyartzof. them remain within the air spaces for a iong time. Some, particularly those con- 26 Twenty-third Annual Safety Congress--National Safety Council tmamuliantge irnelathtievellyymtpehw npoadretisc.le*I,n msuakffeicitehnetircownacyenitnratotiotnh,e olrympperhhaatipcs sbyescteamuseanthdeyactcirue minifxlaemd mwaittihons,malllinatmtohuisntsreoafctsioilnica,retshiedyts seotnluyp ain loaw ligtrtlaedet.hincokne-npirnoggreinssitvhee chlyrmonpihc nboladceks farnodm acbooault otrhereldymfprohmaticirovne,ssbeulst. thTerhee islunngo ltoisrsmueatinointtyofhescvaarritoiusssulye pthigamt einntteedr, mfeerenstatwioitnh ifsunnctoiton.incTrehaesedsusbcuetptiibtiliitsy atopptaurbenertlcyuloqsuisiteof dtehfeinipteerstohnat wpitnheusmucohniapigis utinodnuloyf cpermeveanlte.nt TinhecoXa-lramyinfeilrms sanodf mtheant wchorrokninicg binronncuhni-tsiislicreeosuusltsdufsrtosmshtohwe sinehitahlear nthoethbinlogodat vaelslseolsr. a Tmhoisr,e oofr coleusrssem, aisrkdeude atcocetnhetuacthioronniocf itnhfelamlinmeaatrorsyhacdhoawngseseaastbobuyt the Tlhyempehffaetcicts toruf nmksixtiunrews aollfs froefe bslioliocda vanesdsenlso.il-siliceous materials are less clearly adsefihnaesd baenedn sdhoonueld ilrlectehieveprmisot,rethsaetriothues alitotenn-stiiolince. ouIst swuobustldancseeesmseurvnwe isoenlyto a.asssiunmeert, dmilcuuetanlts aanndd ctlhinaitcaol ndlyatathearequaacrtczumcoumlaptionngenwt hoicfha sudgugstestis tohfat siagtnifliecaasntces.omeKxoptchrei-r dntoi*dtuslamr afyibrmosaisteriinalltyhe mloudnigfsy atnhde taoctiionncreoafsequthaertzs,usbcoetphtibinilitiyts tocaptuabceitrycultoosisp.rodFucoer esixlaicmaplaen, danhiemmalastitienhdaulisntg fohreaveyighctonhcoeunrtsrataiondsayofovaermiaxtupreerioodf eoqfua1l4 pmarotnsthosf hpauvree pshuorewnqunaorttz edvuesnt, tihnehaslelidghttoerst oninlydictwatoionhooufrs naoddualey. fporromduatcieosn dienfintihtee ulnudngu,latwiohne.reaIst taolsotubseeermcuslotsoishethtarnuethtohsaet aenxipmosaelsd itnohapliunrge squucahrtza. miIxntutrhee acraesemuocfh tilleesshusmusacneptiirbolne manidnerm, asnoymenolunnogds uslehsowat deaflli.niteAslliliceoxthicibiut ndhuealavtyiond,epoothseitrss oofnlyiroan vpearyrticfleews nwoidthuleas cchelelmuliacral caonnanleycstiisve oftistsiluee lurenagctitoisns.uesWahnedn ththeesaeppfrionxdiinmgaste caanmohuent coorfrelraotcekd wwoirthk swilhicicah anthdestehemfiinberorsus hnavoedulpeerffoorrmmaetdio, n -.nminaey rbeelateisotnasbhliisphedb.etweTeunbertchueloesixspoisnurtehestoe itroonpumreinseirlsicai.s a\p\phaaret nhtlays bleesesn psraeivdalmentiraonnd mminuecrhs liesssalssoeveprreobtahbalny itnruemeon| efoxupnodseryd hwaovrekelresssantdubceorcaul lomsiisnertsh.an Ittheis agveenreargaellyfoarcctehpeteadeethaptermioedn: mt 'utnhueiiiliaisttebreloiecvceuspattihoant tthheayt ihtavesecatphees idnifaegcntioosnis.hut that it is so atypical and benign in ils manifestations conMtaiennintigonlarsgheoualdmoaulnstos ohfe fmreaedesiliocfa minixceodmbdinuasttisonlikweithcesritlaicinatess.lateEsxpaenrdimegnratanliltye tihs esceomspulbisctaatnincges inbfeehcatvioen.atyTpihceallsyamaendmdaoy naolsto pbroedutrcuee nionduhluamr afnibrboesiinsgsu.nleUssnqthueerse tdiiosnpaobsely t-onetbubdeurcsutslosairsc. caFpraobmle oaf tphreoodruectiicnagl tsytpaincdapl oisnilticotthiecy nosdhuoluelsd arnedceitvheey mpurcoh mit oarpepeinatresnstihvaet stthuedyactotiocnlaroiffy thoeuirr qviueawrstz oncomthpeonwehnotleissumbojedcitf.iedAatndtilepaprrteiasellnyt ntiemue tralized by the other substances which they contain. Using Exhaust Systems and Respiratory Equipment To Protect Workers Exposed to Dust By STU A R T W . GU RN EY and DAVID S. B EY ER Liberty Mutual Insurance Company, Boston elimTihneatisopneaiknerthseaiird lianbopra rlta:wsA fonrumabegrooodf omuarnystayteesarsh,avbeuthando resftearteencleiass toas dyuestt tphroorvoidueghtlhyatengfroirncdeidngt,hebsueffilnagwsa.nd Tphoelischoidnegs wohfeeflisve shsotautleds bwehiecxhhawusetedin, vaelstthigoautgehd two of the states exempt from these provisions wheels on which water is used. Dust in Industry 27 TWhiinsslosewemasndillG-ardeveinsbedtt,rgsilniacse sahoswtundythaotf twheet aapnpdlicadtriyon gorifndwinagterindote.sonnuoctctibcyut anbyy meaInts mealiymihneateremthaerkdeudstthhaat,zawrdi.th everything else equal, a Ini'll static suction will goinvee; abuhtigthheisr avleolnoecityis antotthea pmoeinatsuoref oorfigtihne oeffftehcetiv'leunsets,s fuomf eanoyr egxashauthsatn syastelomw. Wpairsticcolenssinofharesspaidraobplteed sitzhee pperrinccuipbliec offootspeocfifayiirn.g aAfltiemr itallt,o ththise insumwbheart owfe daurset pwriilml anroilty bientehraersmtefdul.in, to keep the dust contamination down to a point where it eralThlaecske voaf riaautitohnosrit.aatnidvecosntaflnicdtainrdgs.proIvtisiisonasccionrdsitnagtelycofdoerstunmaetereltyhartcldlcecftinitthee sgteepns abraesisnofwor besuincgh tcaokdeens. by TthheereAmareerictawno SctaonmdmaridttseesAsswoocriaktiinogn oton dtehviselopprotbhleemp;roptheer tVileantitnilgatioEnngCinoedeersC, omanmdittethee, spEoxnhsaourestd bCyodtehe CAommemriicttaene, SoscpioentysoorefdHbeyatintghe A InVteenr narartaionngaeld Atossoacpiaptoioinnt osfubI-ncodmusmtriitatleesActcoidetankt e HuopardlsiveansdpeCciofimc msiussbijoencst.s: ItAbisrasailvsoe caldedaintiionng,, achSroumb-iCuommmpliattteineg,ongrFaunnitdeamceuntttianlg,PrrioncckipledsrilolifngD, esaingdn sapnrdayOpceoraatitniogn. anldit MaTinhteenatnwcoe omf oEstxhiamusptorStaynsttemcosnswidilelrabteionasppoininteadn. effective exhaust system are; n1.esVs etloocitthye odfusatir sofluorwce;, 2s.haAprer,anegtcem.).ent of the inlets (from the standpoint of near fullyMamneyrealny ibnesctaaullsaetiotnhertehatis isnoottheenrowuigseh aalilr ribgehintg fadilrsawton rtehmroouvgeh thtehedussytstesmuc.cesisn aF. seHriaetscho.f Dteesptsartthmaetntweorfe Icnodnudsutcrtieadl uHnydgeirenaec.tuHalarwvaorrdkinSgchcooonlditoifonsPubbylic ThHeeoadlothre, aHomwacthhirnoeuguhsedtheinhodoredssoinfg22't0onceubwicasfeeemt ppleoryemd,inaunted, itthewreas wneorteedovtheart owneithhuanndraeidr amilliltitolne odvuestr p25a0rticcluebsicinfeetht epesrurmroiunnudtein, gthaeird. ustWchoenncetnhterataiiorn Hboawd wdraosppiendcretaosefdortty" minildliuosnt, caonmceanrtkreadtionimwpraosvermeleantitv.elyAsslotwheer,aiarndHoitwtowokas afuvrotlhuemr e inocfreaabsoeudt, 2t8h0e cdurboipc pfeeert cpuebricmifnouotte, twohbicrhingwathsecdounsstidceorendcenretraastoionnabdlyowsnafeto ftoern tohris fitfytepeen omf ildliuosnt. particles factIotryisanadcc. orifdinthgely repmoassinibdleer soofmethtiemessystteom taikse waenll idnesstiagllnaetdio, nbythamtereisly nostpeesdaitnisg up Athneotbhleorwevreoryr aimddpionrgtaant lacrognesridoenraet.iotno bisrintog gabetoutthethienledtessiorefd threesuelxtsh.aust system afus rtchleorseawasay pforsosmiblethetointlheet issoreuarclley osfurpthreisindugstt.o oTnheewdhroophains neoffticsiteundciyedastheweprginel cliiapulesst pinipveolvoerd.airItduschtouilnd obpeerraetmioenm, btehreedaitrhattenidfs wteo hHaovwe tihne foropmen aelnld siodfesa,n eveexn dfrroomps bveherinyd rtahpeidolyp,ensiong.thaAt sevween maot vea adwisatyancfreomof thfeiveenidncohfesthefropmipe,thefbehovoedloctihtye vmeolostcitiympmoartyanbtecolensssidtehraantio1n0 toperkeceepntinofmitnhdat anridghotneatwthhiechhoisodfreinqlueet.ntlyThliosst issigthhet oinfchinesdeinsigdniianmg eetexrhawusitth svwstheimchs. thTet pisernsoont umncaokminmgontheto isnesetaallnatieoxnhahuospt edinletot adrtaeww dthtiestenfrtoramncae dtoisttahneceinoleft smevaeyralhefeneet,glbiguitblteh.e air How even a foot or two away from is tShteilladadniotitohner oifmapofrltaanngte.consTihdeeraeftifoenct hoafvitnhgis tofladnoge wisithto thcuet ddesoiwgnn othfe thaeir inthleatt, Twbouusld thfelowefficinienfcryomofbtehheindsysttheem oipsensiunbgs,tatnhtuiasllydrainwcirnegasietdnaenadrlythaell scforopme otfhethefroenxt. ahdaduisntgextotenthdeedexappepnrseeciaobflyk,eewpiitnhgouutp inthcereassyisntegmt.he power consumption or otherwise |r Tchaenrneotarbee a"lpsuolleodth"erfrocomnsaidedriasttiaonncse obfy pmerchracplvs dleirsesecrtinigmpaonrtaenxchea.ustFopirpeextaomwpalred. --* Potnt in question, but it can be "pushed" or blown, directionally, for a consider 28 Twenty-third Annual Safety Congress--National Safety Council atobwlearddisttahneceo.penTinhgis ofpritnhceipelexhamuasyt ibneletusaendd athduvsantgaegtetionugslytheindedsiirreecdtinrgesutlhtse wduitsht aalolnoewewr eerexhaduepstenvdeeldociutpyona.nd Tphoiws erpricnocnispulemphtaiosn betheann awppoluieldd beeffercetqivueirlyed init dsruiclltiinogn mdrailtleraianld caonstmaianlilngairasjbeetstaots, thweheorpepotshiete esxidheauosft tihneletdriisll,plbalcoewdinagt aocnreosssidthee otfabtlhee, tthuernsexhthaeustpasrytisctelems, thfatt iswaoluslod blelyingouatppflrioedm tothifsousniddrey asnhdakde-ioreucttswothrkem. back into unnOectehsesrarycobnesniddesraotironcsurvines, dethseignpirnogviseioxnhauosft desyasnt-eomust dinocolrusd, eantdhetheelim'rionpaetironcoont setxrhuacutisotn soyfstejomins,tsc. arWe hmeurset thheerteakiesna tgoenseeeralthavtentthileaytindgo innosttaclloantfiolinct awndithoneeacohr omthoerre. dusAt fctoeur natsn teoxhseaeustthastysttheme dhuasst biseerneailnlystallbeedingitcusthdoouwldn bteo ttehseteddebsiyredtakpionignt,acatnudal sseuechthcaotunittsisshsotiullld fubnecttiaokneinng aptroipneterlryv.als after the installation has been made, to are Tihnevisfiabclte tuhnatdertheordduinstaryparctoicnldeistiotnhsat (lecssaustehathne ltirtoumbliecroanrse soor s1mJa.l'Ol Otthhatoftheany itnhcehre inis dainaymedtuesrt) porfetseenntm: aitkeaslsoit mhaarkdestoit ciomnpvoinscsiebletheto ptrealcl,ticwailthpoluatntthme aunsaegeorf sthpaet dciuaslt. instruments, whether the completed exhaust system is actually removing the systIetmmhigasht onseceembeleinke inasntalilnesdultit tsohoounled sbeintmelaliignetanicneedtoinsagyootdhaotpearfatetirngancoenxdhitaiounst. sHitoywiesvenro, t thcearrniuedmeoruotu.s incdasiceasteosnetheant coitunisterrseailnly thoeneploafnttshewhmearejorthicsonosbivdieoruastionnesceisn cthoennheclotiwoner whiatsh itnhesoemliemimnaatinonner ofbedcoumste orrevfeurmseeds. soCatsheast athree naoirt iusnkbneoinwgn ewjehcteerde acinedncdyiffoufsinthge tshyestedmn-t.liarsatbheeern thloawn erderdawoinr gitsit vianl:ueotnhuelrlifiiendstahn\cesclowghgienrge tuhpe. edfifsi connection or wearing out ot the piping, etc., are till too common. instOalnleed coinncoenren, ooff itws hmicahintheexhwauristterssyshtaevmes ksnoowthleadt gteh,ehafosream"aUn "ortubsaefeptyermmaannenctalyn ttehlel sayt staemg.lancAell wshuecthheirnstthaellraetioarnes asnhyouclhdanhgaetse trheagtulwaor ulidnspinedctiicoantes abybrseoamke-docwomn pein tent person as a routine part of their upkeep. simIptleswt ilflorbme osfufftihciisenteqhuieprme ent>t> disisctuhses firletesrpirraetsopriyratoeqr.uipmSuecnht vreesrypirabtroierlsiy.havTe hea mdeaftienritiealsv, aleutce., fobrut tetmhepyorraerqyuiure.-e csaurecfhulasfitstiwnegepainngd cuopn. sctalenatnisnugpeorvuitsiobninst,o shsoeeveltihnagt they are being properly used. enfoIrtceisthoeurusoepionfiotnh,esaefterrespwiraatctohrisn,g ththate istinic-erreathrellroritms pirnactaicanbulme bteor roeiqupirleanttshemto tsourrbeeptiutsioedusloyn pufuslhli-ntigmetheopreersaptiiornat.or Oansiedenoatnicdesgatshpeingmeinn. furenedearirthleiksee caonfidsihtioonust, oqfuenwtatreers.t pCeerriotadi-nlyd,iotitfh!thbeye aalrleowteod bwe huesreed thaenymecnonsciadneragbelte oluetngitnhto otthetimfree,e fareir for a few minutes refreshment. usedThfeorre saarnedballassotintgh,e eltacr.,gewhaiicr-hfedhavheelmbeeetsn, cwairtrhiedwhtiocha mhoigsth osftatues oafrepefrafmeciltiiaorn, for the purposes to which they are adapted. typeW eof baelpiepvaer,athuos wtehvaetr, litehsat mmilluwchaymboeretweuesne ctohueldfiblteer mraedsepiraadtvoarntaangdeouthsley aoifr-fteildthleealvmeest, thneamreelsyt, othfe thlieghtf,acaeir-efxepdosreeds.piraWtoirth wahiclhighctovherossethaettancohsme eannt,d tmhiosuthdevaincde ohoffseerscocuolndsidbeeraqbulieckflryeetdroamnsfeorfremd ovfreommenot,neanodutlieft atior aonuotltehtesr witerwe ousuldpplsiceednt soto thbee ppruarceticaairblesutpopluysewtihtheomut ovexerceassicvoenswideeirgahbtlea.nadreaw. ithTohuety thafeforredstrthicetioandvatontabgreesathoifnga that is imposed by* the filter respirator. . -vr Dust in Industry 29 The Medical Supervision of Workers Exposed to Dust By w. j. M cC o n n e l l , m .d . Assistant Medical Director, M etropolitan Life Insurance Co., New York City anceThwe itshpetahkeerphsyasidicalin anpdartc:hemTihcael hnnartmurfeushun-sis enacihduinsdtsivivdauraiels suwbisdtealnyce.in Cacecrotaridn dpurostpsoratiroenaslolutobletiloer toslxigichittlyy osloluthbele cionmtphoeunbdosdytotrhmiiedds. anLdeatdh,eimr ehracruuruyu, l anefdfecatrssenaricc aornetheexasmkipnleasndofmupcooiusosnmouesmbdruasnte. s aOndthethr roduugshts irerxitearttionthetoir thhearrnensupliraetoffreyctspaslsoacgaellsy. Cprhorboanbicly ahciadrmafnudl aelfkfeaclitesofardeusetxsamarpilseins.g fArottmentiroadnior-eaccetnivtley ohraess. beeAn fcoaullretdh tgorotuhpe ohfardmufsutls wpahtihcohloagriecailnsolulnugblecoorndviteiroynsd. iffiTcuhletlsye smolauyblebein stuhbedibvoiddyed lluinidtos mmaicn-liinliimtia-ties aansdcoftitborno,sisjutper.odhuecminpg. edtcu.s, tsa.re Tnhoen-loibrgroasniisc pdruosdtus,cinmgaidnluystst.he Tvheegeltiahbmlesislibperrosd, ucsuincgh dduussttss, asruechlimasitefdre, esosilficaar, acsrywsteallhinaevesielivciodne,ncqeu, atrotz,a anfedw ceorftatihne cionmobrginaendic -miliicnaeterasl. aOdfmtihtteedfliybrothsies mproosdtuciimngpordtuasntts, btehcoasuesehaevxipnogsuare hiogvherpearcepnertaiogde ooff yfreeaers-iltioca suacrhe dusTtshedisetfifneccttliyvenpersesdisopiosdeusstthceonitnrdoilvidmueaalsutroes tuibnerpcurelovseinst.ing diseases produced by edxupstossedcanunbdeer dtehteermguinidedancoenlyof bcyomcpaeretelnutl mphevdsicicaali seuxpaemrviinsiaotnio.n Tofhethbeenwefoitrskewr-hic-ho aocfcarulle atpopltihceanetsmpfoloryeermpalnodymemenpt,loaysee,wealllikea,s apseraiodriecsaulltexoalmtiilneatpiohnysiocfaltlmex-aemaiinraetaidovn cenognatrgoeld,ofwouslidckniensdsi.cateSuvcehrya pcarorecfeudlurceonpsriodteercattsiontheby eminpdluosyteryr forfoma penroggargainmg faonr afoprpliacacnotndailtrieoandyeitphheyr sincoatllyassoorciamteedntawlliyth imempapilroeydmewnht oorlacteorntrmacatyedcldaiumringdisaabpilritev vaniodusbyemkepelopyinmgenrte.cordThoef ahpisplsicuabnste'qs uepnhtysiilclnaelssaesndanmd eanctaclidecnotns,ditthioen quisesteio-tnabolifshreed sponTshibeiliatpypfliocranint juisriepsroatnedctesdickfnreosms neenegdagnienvger ianriswe.ork for which he is phvsicallv hilils ahdeaaplttehd. whiFcohr, iefxaumnpdleer,taakneanp,plmicaignht t weiatshilyanbrainrrgesatebdouttubseerricouulsosiismpwahiromesneteksof wcoonrvkeritn aanceirntaacintivdeusttuybeorcccuulpoastiisoni,ntiof .aalnlowaecdtivtoe eonngea:gethienresbuych ewndoarkngmeriignhgt rliefaediolvr aWt hleeraesats stehreioussalmy e imapppailricinagnt thite aaspspiglinceadnt'sto fautuproesiteifofnicietnhcayt ainnvdolveeasrninnog -cuacnhne.dxv-. mpoasnu.re, Tmheightexbaemeixnpaeticotned otfoapcpolnictainnutse ffoorr yemeaprlsoyams eant uliskeefuwlisaendproptreocdtuscttihvoesewothrakt aanrcd avlareriaoduys aceumteploryeesdpirfartoomrythaend othriesrksinofefcteioonnms ubmeiincgahliendtriosedausceesd siunctho aths eitrubmericdusltosis by. Ma anneyw oafppthliecanyto.unger individuals who sock employment have never before re cfeecivtsedfroamthworhoiuchgh thpehyyssiucaitlere. xamAsinaatiornesualnt dofcopnhsvesqiuceani tleyxaamreinautinoanws,aremaonfy thdeefedctes adraemalogcea, tetdhewrehbiychinmcraeyashinegretmheoveefdficoiernccyorroefcttehde bwefoorrkeerthaenydhaovfteencaauvseedrtinirgrepdaerfainbiltee aeansdesfionfalltyhechhreoanritc, kdiidsneeaysess,. anFdurathheormstoroef, oitnhceipr iednitseatusebsercoufloasiss,imuinlasruspneactuterde, dairse doitshceorwveirseed maingdhtthheavaeppbleiecnantporsetpfeornreedd ufnotril ptrooopelratem. edical care and treatment which th, e Opfereiovdenic mexoaremiinmatpioorntananced tchaarne tohfe oilnditieaml pplohyyeseicsalbyexaanmiinnadtuiosntryo. f aSpupclhicaantsprois Ocecdcuurpeatisoenravlesdistoeascehs.eckIt thoeffeerfsfictiheencmy oosft epfrfeevcetinvteivev.-amy eoafsucreosntrdoellsiinggnedthetoheparlethvenoft