Document 9JXj1qY27LKgBv4pX5r4xp7mD

FILE NAME: New York State & NY Times (NY) DATE: 1951 Feb DOC#: NY098 DOCUMENT DESCRIPTION: NY Dept of Labor Monthly Review - Dust Inhalation in Relation to Pulmonary Disease * 'Iit vw/fcci,/ commissioner EDWARD CORSI atmosphere as solid S ,are Present in t: characteristic of these narhvieS' A? important j t Deputy ^Industrial Commissioner has been shown both theorotirlli 1S ^heir size-8 R ' F ^ hat on vT ,, IfM ccr'-r.ir t% -- ---- -- NewYork State Department ofLabor ig> A O EW CO 3 =1 Division o fIn du strialH ygiene &Safetj>Standards J>C>t TO February, 1951 No. 2 *TcoO: dust inhalation in relation to pulmonary disease John E. Silson, M.D. Medical Unit iemvnenr7trbhre.iath"iSttaaTenna>lhbugtf ^the resduulstts wofiththisalmduosstt upon the lungs is considered part of the natural ccuZpoatt!ioLn0. iTTh^engrel^atieonnsjhtipoccoufraduosuttsiindheaolaftihoins Sto u p a t a a f o s r r r nary, a,^ s " >- "S "hng *> p is that disease and some other pulmonary pathology of non-industrial etiology. When the x-ray pic ture is characteristic, as in an obvious case of nodulari silicosis, the physician is apt to inquire very lsisrt th?e a`idr o, fthinedrustrrki0arl 'shyg4ieni.st11s o, r other ex perts m an effort to establish a dust etiology. When the clinical and sometimes even the pathological findings are almost identical with some noLccupational disease of the lungs, however, he is not so likely to seek far afield for an occupational TO3 <D $ O I ^ I 2 TO TO 2 to Diagnostic Factors in P n eu m o co n io sis ccooniio?sios,^twt Lo VfacSt(toarbslimshustthebedipargensoesnits- olf'Dpunlemumono hvyovnnh gi Which might have been produced pattli2onaHl hiSsto`ryao?faertxipcnosIaurre to that iduKst The eialuateytheafinrstS F T " T l in a good Position to S &sn , 'VsyvmmpntotnmSs^, xfa-rcat0yrs> atnhdTMulagbhortahteormy efdpicutem Tonf determining the second factor, he isoftenhand? apped by his paucity of knowledge of the naturp M1 o5st1Spnhrystiiecinatn'Ss waroerkawanadreththeatmaaterroicMks ihSandlednr6 " S 3&T5 X lungs of a material s u c h t Me o f S g a s s r ^ . ^"^ber factor which makes it difficult to rerntr __ !! resemblance which frequently exists between o fw n rf' KaWaS n0t Until the unusual incidence Boe^k's JarcoWnginr0am Was Presumed to be Of the materials which they were handling u T even suspected, and that the Tdentity of X o n ic pulmonary granulomatosis due to beryllium was established-; Recognition of the dust etblogv is Swnn mthaatt6ooff1?a 2 nnoonn-occupationpaalthdoilsoegayseis aisdefnotricianl increased frequency m chrocmaracteinowmorake'rses.e2n with Another way in which dust inhalation mav pulmonary disease is by aggravaifon of a S Sr co existing non-occupational disease. TodayPthe feet 2f . ,, rendee/rts ,t.haat ttu^bher^cuSloWsisrmkeurchtomtuobreercsuevloesries, h o S rj 1 ttnha2t osmomee^offe tthhree mjUoSrte bienCnOocmuionugsaTMrhiQf,c' mY adversely affect the course of tuberculosis and other pulmonary infpetinno 3 it uoercuiosis considered %od M viSSa S arrested tuberculosis to return to work in 2 dusty environment, We all too frequently how7 ever, see workers with chronic bronchitis nulmnn S mw pi yi ema ?r even k S 5 ,K nhere^FVet? f i0rk " 2,1 extremely dusty atmos a dusi by o TJ 'oCD_ ? 8 5 ) TO CL Vi 8 TO TO 29 1 9 5 ? L lR O a eSSem eM , " d<! fceovaelerscoernwceeihgahst tlaoksesn placeXs ?X,.r r e'wthfer8eWishenroe signs may be indicative^?Pi Slbc| sls>and these Culosis. 4 " p"tS S to d s T Pi CamJ tal*r- 5 S u f a i ' S i L l e ^ r - Md secndary eardio- 'S3 stance are the ,, o s ` te e d Pulmonary r i iS rays show a Ch" ` * Q . O " I t o i "'3"0" and " dS i o n T sli,, rsai her `hffl O to be i n S `iiTahIchahrd beet" 'howr` S S S J S & T deve,rTM ` J V S r w S s ife that form of silica, but S e n r e ?<!yaeby th? ^ t a llin e effect that the amornfmn? w accumulating to the of producing pulmonarv aS WX is caPable upon the effects of a m n n ih ^ T ' Observations made largelv on wLw phous ?lhca have been earth, which is a iight fluff?Sedt t0 diatomaceus the accumulation of f at,erial formed by It has a wMe e t ? ,, 2 ns or Js} ells of diatoms absorbents. In contraX^?Se?y J Sivlters' fiIlers and duces fihrosfeitf * P*>- percentages of freeXffica" X / | ntain variable high, the classical picture f S ,, W-hX these are o served in workers mi has been ob- CL Q> otherwise handling it Fvpn' cf usbln> grinding or -O >s 1% free silica K e ^ . ' '" " " if contains under the dust, when inhaled Is usually the case fine diffuse pulmonarv fihTMPabIe- of Prducing a tosis-19 It tends to b X d isa b E S11| llarf to asbesaccompanied by dvsunea3T ng'v,and Is frequently CL addition, deposit of x /av onXnl and. fatigue- & T3 pleural surfaces in the f o r m a l matenal on the observed. rm f Piaques have been J0>35> upon thXlungJifmicX wt ! ing definite effects of aluminum and either I t X a double silicate This mineral, because if m i f l " ?r magnesium, diacture> alSSna at a S e s " ^ ? . " * man- which are quite transparen/ a X lX 0 thm sheets electric constant, has in n u 2 X ? e ,,haVe- a high di' particularly in thP mX,7r . able uses m industry ment. For reme timTM ?t d ofl.eIectrical equip- off m this operation consist" of X I / glven icon dioxide and 40% to AnX 2,5^ \ to 40 ^ siltogether with s m a l l a l u m i n u m oxide, numerous other S p to H e s UV /r ,7 " ,oxide " d croscope they are revealed!, w i he el?ctrn mimg in size from 1/100 to vS X Sed Pa.fticles vary A high percentage of the wor]ro?Cr0n ln diameter, fumes have develoned loT ,tlk +?xposed to these weight loss, anorexia W1.th expectoration, dyspnea on exertiS, S ? tness in the chest, and chest pathology reXrevaknt \vh? bebeVed thatthe due to the free sihcX SentT n ?h? * 1S, mined Was mica deposits occur. Ev!n ?mon? f r,cks ln which solely to pure mica dust iiTXfnd rkers exPsed however, there hi, u M , grinding operations t e e o fiS sS ^ p u im o V iv flbrf" a ^ X-rays show a fine gramdb| S1S' Wltb cugh. density with coalesrenceXf fh? I"- of - uneven advanced cases the lesions in more lace-like or granular increase th? ? 3*10118 show a beginning at the amee6 the llinS markings, to involve the entire lung f o i l graduaIly extend companied by pleuraiX fi,?- ' and may be ac tion of the tXrVck c o n S iff X S Cf Using distormothorax is a common In X lr Spontaneous pneu- uminum oxide While the al- etiological agent rlsm a lib V f T X vanced as the seems quite possible Pt h J t i t f r tllls disease, it to silica fu m iT itt a p a itS ? S ' * aponse ly, however, carborundijm Xv1 i. mbined- Recentsihcon carbide containing i^^than X /alfmSt pure has been suspected of beinf X l Al free Sllica, POTMom,y DlSEASK op NoN.S aicoiic rrU w s -- -1 that generally considered in p nous far lower than miners has the shale through which thev hadS+bC^- content of a a m ca te.ta T u S rb o o ? " cT biMd aa the coal. Recent large scale sf,?df t0 dig to get at indicated,22 howevef that1?/,!?? ? Wales have <C E inert. " " ive$ (D accumulating against thfJXIl however, has been concentrations of coal^ dust whh to 7ery heavJ' best known of nred?'- Probably centage of free sihea such at e 3 neghgiWe percoal trimmers on the dXks le^TM ? among the monary damage is asbestos se.vere P l icate occurring in the form rP?S ls a mneral sil- pneumoconiosis differing from ?! to a form of renders it capable of be g cardid"8 fibers- which icosis of miners. T h eS lIa XTM ' hee,anthrac-sil- iungs with nodular deposik brosis of the en into threads and c l o t K /n J f 011' and wovnto building ment scattered throughouf -rh! an hractic pig- the course of maiauon of these fibers in toms are due to the m arX r fhe Pi'mcipal symp- been shown to be respomihiefeSS??.g asbestos has and the cardiaclha^S iS le X X emPhysema, hypertension. Susceptfbilifv tn t t by Pulmonary of a Progresive p S X a r v I X deveIoPment creased. The x-ravX ef?ity tuberculosis is in thickening of the a l X S L ff X n Wlth diffuse symptoms are rather than nodulatmn bela ne ?f reticulation opacity of the nodules ' b cause of the lack of (Continued in the March, 1951 Issue.j -8 -