Document qMpxn5eVDV32ewd65Y9Y1j9q

FILE NAME: Lockheed (LKH) DATE: 1945 Dec DOC#: LKH002 DOCUMENT DESCRIPTION: Excerpt - Proceedings of the Pacific Coast Shipyard Safety Conference I . X. Tm t w t . continued l-;. Lt ue oonsidar f i r s t the problem of expOG'xr; to aebestoc. Thed u s tie s t o p eratio n experienced re those involving anoal te - a lang~ fi fier-- d fo ra o f a sb e sto s. This mote r i a l i i very dusty hen handled ury, arid ooi* In h u lk, b la n k e t, or r ig id form. Oper a t i on* in it* use include hard o u ttirv s, o u ttin g w ith band sew, sewing in to n e ts , e tc . Concentration* iour.d * w ill OTr reoonm ndad allow able U n i t . Iha exposure* found aeomod to ho s u b s ta n tia te d by apparent cases o f aab eato aia rep o rted in occupational diaoaao o lain a . Dr. S ly field w ill probably bare wooething to aay about th is probloa i s connoction with the n ed io al a sp o cta o f abesto* exposures. Tho d u s tie s t operation* iro n a s b e sto s were a c t on board ships but i n p ro fa b ric a tin g shacks. Since th ere has bean ec nuch d iscu ssio n about fib e rg la s s I f e e l th a t 1 o u st a t le a s t mention i t although tin s w ill not p e rc it any d e ta ile d diecu*ion. fib e rg la ss p a rtic le s , as reported in the lite ra tu re , are too la rg * to a n ta r the c a a ll tis s u e * of the lung* end thus we have not soon f i t , be cacao of l i a i t o d time and f a c i l i t i a s , to ok ex ten siv e stu d ies In connec tio n w ith f ib e r glen*. Although we b e lie v o t h a t f ib e r g la s s dust i s not a aerious p o t e n t ia l h asard to the lu n g s wo do hope to im ro stip sto th is pro h i on f u r th e r and r a g r o t t h a t wo bavo boon unable to do ao h e re to fo re . 1 e ig h t aay th a t wo h are had so roaaon to boliovo th a t anyone has boon in ju ro d fre e tho in h a la tio n o f the fib e rg la ss dust. Tha u m o f pa^ iu r a,nd j - tw^ id in d u stry p re s e n ts a v ery d e lic a te and s e rio u s p o ta n tla l h e a lth prohlon. Badium s a l t s a rs used a t any stage Of ship c o n s tru c tio n and a t most any tin e or lo c a tio n w ith in a yard. Due to ths ap p a re n t in tl g a l f lo a n o t Of a sm all v ia l o f rad iu n s a lt s , o p e ra to rs and e th e r worhmrs beooas caro ls* s in handling i t . Serious exposure* to r a dio* and x -ra y ware found in our studie* where they were le a s t expected. S adias s a l t s sto re d tem p o rarily in shacks a d ja c e n t to ways o ffe re d us suepecto d exposure* bo o f fio e w orkers. To nlwe found t h a t p o rta b le carry in g oases do n o t always iniruro safe c o n d itio n s in th e i r ira o d ia te v ic in ity In conclusion I should lik a to point out th a t as a re su lt o f our ooabined e f f o r ts in determ ining the causes o f occupational diseases and the e ff e c tiv e use of v e n ti la t io n and o th e r c o n tro l measures we have accom plished re s u lts which have been d e fin ite ly re f le c te d in the reduction of the nusher of o cc u p atio n a l d iM a te d a t a * subm itted "by ehipyard workers. In comparing ths average monthly neober of occupational disease claims file d by shipyard workarn In 1743 w ith those f o r th e f i r s t s ix months of 1945 a re d u c tio n in t o ta l onr-.^n f ecal d ise a se c l-'.r* of over 7>..> wus r o o lin c d l 'd r a c tic a lly a l l c l a s s if i c a t io n s of o ccu n atio n al disess* showed a reduction ns I o u t in *>y in tr o d u c to r y renarK s. The two larges*, con t r i b u t o r s , namely, c o n ju n c tiv itis and ill n e s s e s r e s u ltin g from aid in g fun* exposures were reduced almost w n tirely iu the f i r s t ease, and over in lo irs f i l e d belisrrwd to hers re s u lte d .i-oc ra id in g fumes. /C. i: v*-V-sri-+M i* CRMC-BER&FRO-QO 1529 TYPICAL ; ' LTH HALAP,OS r O peration la ld ic * , B u rn O f a od B ra zin g IN .^Hi: TA.FI 'iP liA T l.iC P o te n tia l Hatarda Q tidee e f H itro g rn lin e O rl Uad Ir o c Cbd.da Ar-- n le (T rita cid e ) C ad H lm T o ta l Fv m F lu o ri 0|OM Carbon Moocad.de keeo-- ende M axim a Found* A llo w a b le L la lt in Sh ip yard * ?5 pp 150 /IO 3 1.5 " 100 * 1.5 " 1.0 * toc * 3 pj* 1 100 ?9 pp 116 S 0 * 3 15.1 " ?A5 o .n * 11.1 * ? .? pp- Method c f Sam pling Yacuu F la sk s P re c ip ita to r a 1 1 m m P re c ip ita to r, Absorber 00 in d ic a to r AV.bo t1rr S h rin k in g C iridee e f H itro ge n P a in tin g Aro-- t ic S o lv e n ti 1-- d Z n c Chro-- te EPha odtiot*gra4phXy-R ay X (g*o-- .)-re y * ?5 100 1.5 1 .0 0.1 ppa ppa * / lo 3 " ro e n tg e n * 10 P I "17 pp in excess oi 0.1 roentgen Yacuu F la s k * , Abaorber Benzene In d ic a to r P re c ip ita to r, absorber * M incaeter S a n d b la stin g , S c a lin g , ate. " in a in e S ilic e T o ta l Deat L--d Laad A cro ie in 5 eppcf 50 " 1.5 *g/10 3 1.5 * /3D 3 1 pp 610 ppef 0.2 g/1 0 3 1 p in g o r , T .o n ire te r * P re c ip ita to r P re c ip ita tO T , lap '.n ger A b so rb e r G a lv a n izin g , S b e rn rd ix in g Z in c (cadde) 150 B g /lC a" -- f 3e c tro p in tin g B yd ro o h lo rlc A cid C le a n in g , M it r ic A c id (Oxddea 10 *pi* 6 .5 pp B rig h t L ip p in g c f H itro ge n ) e tc. S u lfu r ic A cid C y a n id * "5 10 70 " 79 2 A-- ernia T o rr. ieh ytia 100 10 " Chro ai cid 1 ap /] 0 r 3 In s u la tin g A b e ito c 5 appcf j 15 p p cf P re c ip ita to r, la p in g e r Abaorber ft fc * A b so rb e r, Absorber l* p in g e r Vacvna F la sk s C ab-le> "(I-lTe' jo_ _ r i ; i c-Vr.*lA IJ ve >kpnh^- S -- k In s ta lla tio n A b a o rb e r Many o f tbeae M a te ria ls a ls o a r^ C tp a b lr t,.' r e r* i,. t it i* '*7ri teat- conducted b r the S tai of Maehington Depart est cf H ealth, jsp* - p a rt per a i l l i o n by v o lt-- in a i r . * f/^ 0 3 - H U ifT * per 10 cubic . M t r n (approx, u n a t of a ir breathed ner erring ^ 7). *ppcf - M illion p articles per eolie foot of ir. CRMC-BER&FRO-001530 B X r f lJ f r k , p . . - cflntiauad A ll p a tis n ts seen by us in th is connection have been put through * ro u tin e sxmmination o o n sistin g o f the follow ing! a M arination of nose, th ro at and sinus*; physical exam ination of the h eart and ltu g s; B.P. read- ing; T ita l oaqsaoltyi u rin a ly sis; oedim ontation ra te ; fluoroscopic and x-ray 11 of the c h e st. He have been im pressed by the f a c t th a t in the largo ojorlby o f o s m i nothing abnormal i s found oxcopt cln o r th in g s having no r e l a ti o n to in d u stry , which ay be found in tho general p e c u la tio n . Kasy re p o rts in the l i t e r a t u r e in d ic a te th a t aen who have had etal ft # f * r # r no o r twioe a c q u ire a c e rta in degree o f inaur.ity or re a l tone# to I t* 1 d o n 't f#*l sure ab o u t th is yslf, as we have een many ea t a l l us they get into trouble as soon as they sn ell tho fores a g a in . S h is , perhaps, smy bo e x p la in e d on tho b a s is of fo o r. Tbon a an bos boon a o n to ly i l l , cm>n for a fow hours and knows i t was duo to sine welding ho th in k s ho i s going to bo i l l again as toon as ho c o n ta c ts tho fumo. Tot sows? do haro ropoatod a tta c k s of o c ta l ixoo lover and wo haro had tho i p rosalon th a t o o rta ln on booomo sons! t i rod to tho fuaos so th a t t h a i r o n ly hope o f avoiding tro u b le i s to chango th o ir typo o f work and sta y awejr fro * tho fnaos, Of eoureo i t i s highly d o slrab lo t h a t ovary e f f o r t bo aado to pro v on t tho in h n ln tio n of mnoko sad fuaos as w all a j xnduo oaporuro to #11 o th o r o c c u p a tio n a l hasards. In h a la tio n o f asbestos d u s t nay produce cough and shortness of b re a th and o c c asio n ally woaknsst and c h e s t pains* Advanced d isease ay show blood s tre a k e d sputua, e y in o s is , and clubbed fin g e rs . I t has been shown by many I rr re s tig a to r s , bowwver, in t h is country and abroad, t h a t a nsgbwr e f y e a rs ' s r s o ro rs i s neosssory to bring about tbe above s itu a tio n . U sriw sth e r, 4*s c rib in g o o n litio n s in X nglish p la n ts , showed th a t a cl.nlsit ef srrsn y ears' exposuro to high concentration cf asbestos d u st was neo o ssary to product a w rriouo dogroc of re a c tio n . In asboetosi*, the x-ray film prosonts a f a in t hasinoss through out tho low er l t a g f ie ld s and soo evidence of chronic p le u risy i s u su ally soon* I n f o r advuncod oasos, which wo v e ry r a r e ly *oo, th e x -ray shorn n diffueo shadow throughout tho lung f ie l d s which has boon eoeporod to ground g lo a t a p p e a ra n c e , fle c k e d n e t t l i n g on a hazy background. A sbostesis deo* n o t lo a d to tu b o rtm lo sis as w ilic o s is i s known to do, but of i t s e l f any bo d is a b lin g o r o ro n lo ad to death. Ih n ro i s l l t t l o tho doctor can do boyoni r oao rin g th o p a t i e n t fro tho a sb o sto s ntmospbero, A sb o sto sis fo rtu n o to ly does n o t *bnw tho s i l i c o s i s tondoney tow ard p ro g re ssiv e f ib r o s is . H ith m ild ca* o .\ -m o r a lly c y rrte rs subside a f tc i rcssovnl iro n the danger. T ib ro u s g la s s , g la s s wool, foam g la s s sad g la s s board: The f i i ?t fibrous r a in t h i ; ccua'.ry f o r coaoercioa use was m Onio in 1F34. c our experiwnoe i s U n i t e d as to t i . However, i t has beer, d a a r l y shown by S r . Gardner and e th e r workers t h a t no pnsumoconiosis con a r i s e fro w xpoTxn to th#s product* becawso fib ro u s glnss is not inh&labl. Shat i s , I t doss not roach the lu n g s. The sp ic u le s of la s s are caught in the upper rw spirm tery passage* and proinotly carried out. In tho s ta te of Ohi* where th e Owwn* Ooming f ib e r g la s s C orporation i s lo c a te d s n i where f i b s r L a s t was f i r s t used o o s n o rc ia lly , th e re has not boon a sin g le d a i s f*T w ark o r' o e^o n satio n basod an poloonary disease a ttrih ita b lc to f i t - rwus g la s s . Eany n harts oowplrdnoi o f s ttn ir r ita tio n as a r o r a lt of b u n d in g th o se g la s s p ro d u c ts, and th e r e con bo no doubt such i r r i ta ilo r. ..la Vtssy m eesrtee'W hlo, b a t no caoe i s rooordod in which any skin disoaso f s s d t s i . T lbit btt i r r i t a t i o n ro q u iro s only sorornl washings w ith weep CRMC-BER&FRO-OQ 153 4i. b m m i , V. L. ta ri* * , 6. L. fa la r ti, *. & D U u lia , Joe L. D A I, VUm t A. Jordan, 0, X, MoOntahan, a, V. U s ti ProA D. farti* , 1 . J. IM -an , Tic Shield*, TbOM S hilling, lo rta ra f a ith , C liffo rd X fa rrik , leg* ' erdlok, Joeeph X. Boro*, B aroldX . S a fe ty D tr. , Puget Sound Bridge A- Dredging, S e attle Safety Inepeetor, Todd-Pacific Shipyard, Seattle Safety Engineer, * " * X lit. to iitr S n p ..' * * P ir e U arehal, Lake Union Drydock & Machine I k * ., S e a ttle S a fe ty D ir e c to r , Todd--P a c if ic Shipyard, S e a ttle S h ip e rig h t Toronto, Pugot 5d. Bridge & Drodg. Seattb PereoBiaal M gr., Todd-Pacific Shipyard*, S oatilo S afety S upervisor, Todd-Pacific Shipyard.*, S eattle S afety X aglnear, Puget Sd. Bridge A Dredg., S eattle S a fe ty D ir e c to r, Dodd Shipyard Corp., S a a ttle Dlv. S cree, fodd--P a c if ic S hljyard, S e a ttle S afety Bvpmrrle o r, Todd-Pacific Shipyard*, S eattle Bead S c ree , to d d -P o e lfic Shipyard*, B o attle B hiparlgbt, Todd-Pacific Shipyard*, S eattle Safoty D ir. .Lake Union Drydeck A faoh. Ik*. Seattle , i * v"/ ' V (lax ) fiirle ton, L t. K. L Toll***, ohe P. fte a i 3etui, H erald X. f a l l . L t,( 4 ,g .) M. I B a rria , L i. X, Say* a, J . Barry ^ l t o n , Ja c k X. B oot, Ooadx* X. S, Sereneen, L t, J, I. l a l U n , Oapt. S. X. f e l l o n a , X. M. D iet. Safety O fficer, 13th Serai D ie t., Seattle afe^ r fag in eer, 13th S aral D ie t., Saattle Safety fag in eer, Xaral A ir S tation, Saattle .S afety O ffio a r, U. t* X aral A ir S ta tio n , S e a ttle X eet. M i l e lk * . Off l e e r , US.B*ral A ir Sto , Seattle B afety I n s p e c to r, U. S. S e r a i A ir B tn ., S e a ttle tr* Safoty In a p ,, B tm l Supply Depot, S eattle S la t. Civ. Po t. D irec to r, 1 3 th Snrnl D ie t., Seattle In d u s tria l X alation* O fficer, S cperriecr o f Ship b u ild in g , U. S. le v y , S e a ttle S tp e r r le o r o f S h ip b u ild in g , U. S. Sayy, S a a ttle S a fe ty f a g in e e r , U. S. f e r a l S ta tio n , S e a ttle ( Q oait Stoard*) Preenon, L t. Ooadr, John C ., USCCS(T), U. S. C oait Guard, S e a ttle f a t h e r l y , Ooadr. B e ll I . , U, S. Coa*t Guard, S e a ttle fPcrrt e-T Book, O eptain Prank DeMil-a, 6pt, 0, X, P u L l* r, 2. H. e/e P o rt P ire H arebell, S e a ttle P o rt of Debarka tio n , Saattle S afety D ire c to r, S e a ttle P o rt 'of In h a rk ., Seattle CM rf Safety fagincr.r,' S e a ttle Port of fahorkatioa, S e a ttle ( State I -- Adley, Prank J . fagiaeeT , S tate of la th . Dept, o f fa a lth , S eattle fletoron, la y S afety In ep ecto r, Stato of Ia*h. Dept, of Labor A Induetr ie , 'T attle P a m e r , Dr. Lloyd X. le a d . I n t o * t r i a l A A i d t Hygiene S e c tio n , S ta te of faeM ngton Dept, e f H ealth, S e a ttle 2due t r i a l Hygiene X n g r., Indue t r i a l A Aftdlt Hyg. Beoti*, S ta te of Vaihington Dent, of Health, S eattle In d u s tria l Hygiene J a g r ., S tato o f laeh in g to c Dept, f B oalth, Seattle Ohierf l a t a t r i a l Hygiono X n g r., S ta te e f la ih in g te n Dept, nf*H ealth, Seattle* CRMC-BER&FRO-OOl