Document LKV17NGNM59JQLk33jaBZ8J1b

'w * FOUND. TinM FACTS 1. EXHIBIT T** awt-Uttar la laauad aoatWr ta naMr ad v4a MnetmoM *anat4 vtttt yiWim yogadatloo ta pwrtom 14 to rvpon gaiMa mi ad aeuWuac Air HnP& wadiBa la * paRMfiUp ad tMiiatrr od """J afffaalaai to prouct tMo bHlU or (A* U glluoa vorioMtt la baa*7 laAimry. 2 7L L B ? I m July, 1941 no. 7. Changed to "InA ana Fotmdstioa* Board the Inc. At reinoorpor* 1 Is favor pression, local* burgh# Beanos expanding foundation of America, Inc. nduatrlal By^ene foundation of originally incorporated is Ohio la Irani** Votffl&tttoa avbers rot* * poll conduct** mmm acuthe ego* ;*& *ad the charter aa granted la to acre clearly describe .tics9 a p aerricea for the protest!? isployoe health* indue; pro rapid affrascea of ladnatrl health probleea, the A study la &oe Serrlae, to belpsedaee__ about one pillion aashsura of X-ray techniques for control of toxic rtaej ncr is progress, health ?rot< dust dise&si red eephaala os aHlcoaU Bo* 1 The ecientif1c approach ta that . a than mpast* Hth the cation of sav oecupatlOBal Vi ' broadened* v .'-V"-'4'7\. - lahoratloa of the 7.9* Public Health coatUm the haaxy iaduatrlea alone stents Include, eoatlsttlac studies _ _ feal nations la industry; studies of the iea, including,j ymcautloaa is eeldlng; a research, further pract^gd3 ChsVpxhaust Tentllatlou far nplo7e .tioag- in. "protect ugy^ncluding alunlnxm, to coabet use" of industrial health a headqpaftara Is Ballon Institute, r the isfozsatloa of the eetbars and cotare about 309 Journals is a dozen cllitlea are alao eel irained act Halloa Institute, trial hygie&lstc spending not of thalr tiae coopeslea* These anuj# shoe the presence or ahaaaoe Where hazards are Abate* raapdlee are reocoKanded* built up at the la digested each os progress* This hygiene laboratory undattos nee baa induesurveys for saber .tlal health hazards* - . . ^ ' AdnjoeB/fti ItelftrvWr pins durance ipniTol produeti^Are iacreaalsg old health hamate* cad iratTIttw bmi> The fot&datlcB** tmatUmf&i) t help keep pre caution* apace utthpeedoatte^gr its i--heT ogeywlag cad thst^kfllloa Beating ~ Bhr. lf'td 13 - /. - . . . :.._V :__* _i._ V..-- --.-tLT-v> - - : The fojBdati^^a'ifcxth aattual aeatisgaill m held at Baling Institute, Pittsburgh, oa Hot* lh aaffia* 'The proven geeted h prodaoe preetlcal data for today*a needs, elll revalue esomff the thanes Defun suggestions arena* telag recatfed fro* aeeberacf the Board of Trustee* end the Bed- leal, ftigt nearing# Legal sad MpberafelB Conittee*. Htejeia are cordially incited ta sutelt suggestions* tee&tell** fira fednaeday aad Tftnrertty, Bbr* 18 sad 13, : . production **r**r?/\ x I- foundation fseta -- 2 Rbi'f a Million Worfcf "AH?!" Business ud gorarmant report "Labor raquirwahta ara constantly climb- ' Inc" -- dafanaa production raqulrvanta bad aountod last M>nth (Juno) to 44 billion manhours, a Juxp of 16 billion sine* Smyam -- a rocant aurvay showad "Sarlous shorta^aa of quallflod aorkars in lapozawnophlpbuildlnc, aircraft and machlnasbop oparatiqp^* ' trios aloao In tha lad proparodaoaa aaeurad or prod' nocaasary baolt about 81ttys a thara uill ba a uoxkars full tins. __ lost this roar In tha That la equiaalant to half a llnaa balac "A*OL" from tha aU ta for aide abaaneaa add! war aust ba aueh additions would not ba , aran If tha sinca absanoaa can't bajfb ra Tharofora--- praeautlon to ccnbat tha araraca worker la losing _ that flfura aan ba raduead. ,Talent to tha earrtoaa of 60,00# Workara. era Defend tha Dafanaa to tlon la not a flnishPouDdatlon can halp a la. In sy all tlnaa. /" Iacreased Production Means Increased Health Hazards. So --- This nanorandua is to advise you of the services for protecting maployee health which are available through Air Hygiene foundation, a strictly non-profit association of industrial concerns with headquarters at Mellon Institute, Pittsburgh, host important of those sorrieea now aro tha^Cndustrlal Hygiene Surreys. The surreys, conducted for Bomber companies at cost, dfeauso tho proscnce or absence of occupa tional health hazards, such as, excossfMreirlca dust, lead, chemical fmos, gases, skin irrl^&xjk, etc. If hazards ua. foi^pr rcmodlos aro rocomncndod. Survoys protoct comfiutfbs agtftum uajualrcLauu which flourish in depressions. Other*. s include: V/ A Medic at the Saranac { share in the ec ng Research on industrial health pro Harvard, Pennsylvania and Melld&l! of ffiutually-supportod lnvjatiga^k. conducted tut#. Members sumlife for azhaust w alth sign! , BAterials used in a double safeguard. Sick Absented labor through lllnass. This wby they occur. Sldmesa less euffered by aanagmaent and p thsencas and shows when-whera-ahd absences than accidents. j A Digest of Industrl month. This "news semce" duces hours of reeding ton Is prepared for aambers each s in a dozen languages. It re posted on progress. Informati for conserving SS&ins iseusd^pk end Cere Deternlnatio Benzol, Industrial tions, ulletlns on occupational giving practical plant lata Design of Kxhaust Systems, Methods for X-ray 2rsainaeompensatlon. unsel on madieol, engineering and le< e limits froa specialists comprising the available within fesslonnl carnaltteos. Pacllltlea include an industrial hygiene labcM) ry"*ma hygienists at Mellon Institute plus an szhaustlve library. Tho Pot ' ' also works la dose cooperation with the Department of Industrial Hygiono at orsity of Pittsburgh1s School of Medicine, the D. 3. Bureau of Mines, tho D. S. Health Service end tho research institutions listed above. Tangible end Intangible assets include, lower compel litigation, improved working conditions, improved otployer-emplo] goodwill and even less spoilage and increased production* costs, less 'relations, public Increased production doends increased precautions. - The-foundation helps provide the precautions. July, 1941 Air Hygiene foundation, 4400 fifth Avenue, Pittsburgh, Fa 534 tha 'Salt loft by adding 10 quart#) or by supplj of raporta tata that t crop* and boat sidsioes. of salt are In easas of ho tlnal disturbances nay ' sedentary workors. or heat cramps is now ly ba conveniently reor two hasping teaspoona per drinking fountain. A nuabap Lt has praoti colly allnlnatod heat llblo harmful affocta from moderate use tseaae, but distress and gastro-intesand erratic use of salt tablets by laltii^^&l., Kj 173, (June, 1941). Office of Sclent earch and Derelotmw^lbitabllshad. The Office of>g0&yifie Research and IDfveioi hag been created by President Hoosevalt>bjKM|ttitlve Order dated JuSes^B, gcacyThe functions of thld/gdJ ^ _ the status of scientific^* defense, and the measures access Laid; (b) to eerre as the center for rsonnel; (c) to coordinate^ aid,.and suppli h of the Office for Zfeer(a) to advise the Preei- socrch relating to lnulng progress in n of tha scientific flc and medical research actiritios of the Kavy, War and other' (d) to develop breed and coordlnatod resaarch plans, in collaboration s4,1 presentedves of thoaa departments. The fields of research include meet end devices of warfare and nodical prohims affecting national dofanaa. An\ ___ Office ia a Comlttee am Medical Research, whoea special) t branch of tha tlon is to advise concerning tha need for and charactar of contracts to unlreraltlaa, hoapltala, and othor agendas conducting into with research sctiv. Itlea; also to make findings and submit recomasdatlona wil spect to the adequacy, progress and results of research on medloal probimi related to oat ion al defense. Defense, p. 8 (July 9, 1941). 536 Safety Training Supervisor Appointed. Laurence B. Tipton of Rutgers University was nmad by Secretary of Labor Perkins as Safety Trdhing and Tield Service Supervisor for tha Batlonal Comlttee for ^ the Conservation of Manpower in Defense Industries. This Comlttee was set up ' lost June by Ml'ss Poridns to provide safety advisory service to Government eantract plaata, and to aid in tha speeding up of the Batlonal Defense program by keeping skilled and trained workers off tha casualty list. Mr. Tipton will work with defense agency officials on safety training programs for workers and super, visors and will bar* the responsibility for tha organization and development of Digest of Industrial l$rglen* - 2. programs for Defense Safety Engineering training at college level in principal industrial canters. Intensive coursas in safety ecginsarlng, industrial hygiane, occupational disaasa and industrial accident prevention will be offered. U.S. Department of Labor release. Legal Developments 537 Oec Local Disaasa Statuta /Apply to Disaasa Contracted Prior to 'Of The mpt&n in affected with a disaasa of tha bronchial gubes known ai>bfdhchi< to Haas and dust inhalsd in tha couri$^Shfliii om- ployment ccupatlonal Disaasa Act of Indiana in 1937. Tha csiploy tha amployment in which ba lamaftsdgpndisaasa prior to t .tontion was mads that no <pird\jsj&pld be granted because ctsd bofora tha Act bfen^ effective. Tha CourVAftfejttd tift^fconti It stated that thKMUfroTliai for compease- tinci^SisabUm occupatl^iy^^aaaaa, and act for contract- IngKjucn diseases.' _ LVSd tha disaasa before tha^Xet was passed, ba nof\b?dG*a dj#>Xttlifiram tha disaasa until a year; after tha effactlTa da i1 ou within its pro* visions. Hirst vs_________ of flan. Motors Corporation (Indiana) 33 H.X. 2nd 773 (May, 1941' J` ~b 2^ttly. 1941) * 536 Compensation Granted foi fcloiS ~ Tha clamant was aagmaflSX^avhAtt^for<^iai^ time prior to Oetobsr, 1931. His wric required hisiykon^ddxa and Sofia in cornet with furs. Thsss furs were treated with merfB^--The clamant efhlblta^iymptoas which included a tone mercurial darAtr^fi, nervous manifestations^Saidh recurrently flared up acute ly; aark^d^tVu^rrs and general nerrou*^<2jx aanwZtsmptosu. The Court found blmaat was suffering from, by mercurial poison- ^ensable occupational disaasa Componsatlon Act. Sue was found to have bean contract course, and by reason claimant's employment, and on award ft was allowed. irowitn vs. Bothonbern Hat Co. (N.J,) 18 atti b, 1941). Oooup. Hazards, 3, 24 (July, 1941). - 539 Bursitis Compensable as Occupational Plssass. ^ <Jp> Tha claiaaBt's work consisted in pouring medicine intorhcjtlea and pasting labels on tha bottles. She was maployad for nine yaars^isr to June, 1939. Previous to 1938 she did bar work by pouring the medicinea graduate which she bald in bar right hand. In 1938 a machine for fUliJOgF^j^labelimg the bottles was Installed. The claimant placed tha bottle in thfemachlne with bar right band and took them off with bar left. In 1935 her right shoulder began to hurt. In 1937 it grow worse,, and in June 1939 aha was found to ba suffering from bursitis. Bursitis Is a specified occupational disease under tha Michi gan Compensation Act whan It is caused by a process involving continuous rubbing, pressure or ribratlon of tho parts affected. The Court held that tha facts in thin cane Justified am sward. Three judges dissented on tho ground that bursitis is not an occupational disaasa In the occupation of filling and labeling bottles; that the process required undor the oat did not include the proeeae used by tbs claimant in this case, galea vs. Dewov Products Co. (Mich.) 206 5.V. 826 (March, 1941). ' Occup. Hazards, 3, 24, (July, 1941). Digest of Industrial Hygiene - 3, 540 Camlets Recovery from Occupational Disease. Inability to Return to Seas Occu pation* Rlsht te Compensation. The question Is whether tbs alninun compensation rate of $8.00 per week contain* ed In Workmen's Compensation Lair, See. 15 subd. 6 applies to an employee wto bad fully recovered from am occupational disease but who to avoid recurrence is on* ablo to return to her former occupation and whose wage earning capacity In her new occupation is lass than it was in her foxaar occupation. The portion of the Workman's Compensation Law desllCPlth occupational diseases is found in Art. 3* s*c* 39 of such article tz*|t^pf disability or death ce-jed by occup tlo$/&*easee. Tho method proviolwran Sec. 39 would give her compensation the'N$pe of |7.4S\per week.^'^Sfciissq'uently the board erred In applying hry* "g* do not show the emount of reductl lng eajn fcNaming capacity of the claimant aftperxb^Cj^fecovery Such fa: reverse this award and remit the mefite)r&fr> the pre- paratlo: . The award la reversed end Matter of pp. Div., 3rd Dept. Decided JtflyfglS5T941. (CCH). 541 erculo el- Tupyppy atloa. KeaUftencs of chargee t: conioals, and la addition thdrtto that by of his respiratory tract he . also contracted cted a verdict for the defendant, Any occupational dis .te result of the negligence of the uplcyer Is actionable disease which is not the proximal* result of the negligence o not actionable. Appellee con- tends that appellant fi guilty of negligence proximately causing the disease erlng. The evidence shows that appellant worked in nw\ Me ro conditions for seven years, at on maery grindlm^uahzne which never~at equipped with any kind of blower syatmQap\^&.uat fans to carry/off The dust was thick. No windows QA^anlxCtion of any Irind cal testimony was that jnaiaguVG^itris a lung disease caus form of which is silicosis Trhicjrrmvata from breaching dust cont that appellant is per* end totally disabled by reason o: Jutlgient reversed "instTuctlona to sustain appellant's mb' trial. Dean v. The Lton Foundries. Inc, at al. Ihd. App. Ct. fir*?, 1941" IcchT Q Pagar^o^Just^^cso^jand^Generel ene 542 Pnetnoconioaie frn Coel Triggers. J. Gough. I .Path. fc Si, 277-85 (1940). The autopay findings in 12 Cardiff steam coal trluers rted together with their clinical hLstoriee. All showed evidence of put _ niosis and 5 bad died of this disease. The pulmonary fibrosis mi of two types* massive and nodular. The nodules differod frok those of classical sllicosla In being lea3 densely fibrous and In showing radiating rather then concentric fibroaia. The lesions were" similar to those found in miners working at the coal face in the mines from which the coal was obtained. While the residual silica was not high, the author feels that it played a part in the lesion. In his opinion Cardiff _ . coal timers with prolonged exposure to sufficiently high concentrations show a pnstmbconic si* similar tb that recognized as onthracoeillcoais in coal miners. Digest of Industrial Hygiene - 4. 545 Artlflalal Respiration Inflation. ?. Henderson tad J.M. ^urnar. J.Aa. Mad, assoc.. 116. 1506-14 tApril 5. 1941). All the manual methods of artificial respiration, as taatad on conscious par sons, indues the same voltaa of pulmonary Tastilation. The principle* control ling th* volume ara aaaantlally the saoe as in ordinary breathing, namely the amount of carbon dlosdde and oxygen in tba blood acting on the respiratory can ters which in tun influence the tonus, tba dlaphragt and tborneic muscles. Tba inhalation of carbon dio^de lucrecsee^fbe voltae of pulmonary ventilation with manual artificial respiration. It hgCbaen siwi that tba efficiency Of 111*1111*1 artificial respiration is greatlg^jter^ffeed and the patient is more rapidly aunmmted whan carbon dioxide amsp(ygaa ara added to the air supply. Tba prendeg^s pa^d^ilarly na^S^pry^ui traanant of carbon monoxide poiso addit: .t respiration, so that sufficient suppll carbon monoxide fixed to tba ham^g|gbVfe^3 accalera nothing machines not using positivarorSato&e, such as tbs Drinka to depand upon control of pulmonagg Vsmulatioa by tbs carbon dlo: entente of tbs blood, and do notTqfciiee over or under- eatilatii egntlve pressure machlnefu&n tar other bend, are no battMAju operation, end as ymraMpof fact, ere very fre- stinet: se harmful effjcttOrpiuLt from: (1) lose of tamrimapplylng t dlf?ereng<eWr^Elnute being important; (2)o*ck of synchro themdc*u^reathing and aeebanlcal rhythm, thus actually aad>fc3cpo*aibillty of ovarvactuation, dith a train of darangad p tnSoeba, often leading to daatb* Tbs put motor is severely condmuii ters. 544 Industrial Health Prmc |or^ Survey of 2.064 Industrial Establlsh- nents. Conducted by .'Ussoe^ of (acturera, Ccmlttee on Healthful WorJdng Conditio: reci^fil^of TV/J 76 pp. (May, 1941). A questionaal each of 4^500 ;rial compenles, in order to cb- tain _ __ ^t 'allable informstjgm abo value of maintaining health " 'E litigate prevailing (ustry regarding physical ex- yto detezmina the frequency" trricee in industrial i, and to ascertain the with progress end the ln- size end type of Industry on t iplts costs of such sor- ea. There sere 1,500 replies roeelved, plsnts mploylng (7945,551 workers. The emery reveals thst .th^jfr^grem saves the average SOO-maployee plant |5,SL1 per year. All but toiakief 1,625 respondents considered their programs paying propositions. $&&&& T those replying in dicated reductions in accident frequency (44.911), 'bcajpational disease (62.8$), absenteeism end compensation insurance prmeliMS (abOd/*9$ each). A slightly smallar percentage indicated reductions in labor tums^K^omoimtlng to 27.3$. Most coneans use physical examinations as a " of draOmlalng proper place ment of eeployees but do not unwnrrantsdl7 discrlminste ipuit applicants on tbs basis of the results of these examinations. Only KJ& ^applicants in 1,154 plants vers rejected on account of shortcomings disclosed by the exsmlnstlons. Eighty percent of 1,388 plants reporting tbelr policy have a system of rating examinees for jobs. In 41$ of 1,455 plants, including all organizations employ ing 20,000 or more, physical examination records are kept confidential. Among 23 specified items listed as Important components of s factory haolth program, over.80$ of the 2,064 plants in the survey provide an accident prevention pro gram, exhaust ventilation, and a plant housekeeping and sanitation program; 70-80$ pre-amploymaht examinations of factory ployoea, 60-70$ full illness and absence records, 40-50$ periodic checks of exnlnatioas of factory plo7aea and, 30-40$ health education end preeonce of a doctor at scheduled hours. Forty- three per cent of the pleats reporting had established their health services Digest of nduatrisl Hygiene - 3. during P*-* depression dacada and Wjt of thoseestablished during the past 5 year* iwre la plant* haring laaa than 300 mployee*. An average par capita cost of |317 was reported for plant medical programs, $3.34 for safety programs, and $3.41 for industrial bygleao prograas. The par capita cost of asdics! pro grama decreases as tha number of eaployaat increases. in addition to nora de tailed presentation of this material, several appendices contain a copy of the questionnaire and detailed tables of data from the replies. 546 Physical fitnesa. I. Jokl and E.H. J.AmJCed.Assoc., ii, 2383-9 (hay 24, Tha investigations )tha authors are a challang* tb tha conv^ tlo tenia__ _ tn^ss and mployability. A sample rMS young " bla to obtain or retain mploymaat they race: education and vara free from all blch sould b: "according to all standard# aatahli bor end recruiting dmcnstret medical corps* The reasons fo romance teata to be low atre nditlon vara aid 11, due to poverty .sfaetcry diet, bad ho r general standard of 11 lici .tlca and failure resulted in dullneea, Dual htal at it initiative established direction ,can for the purpose of train- >usg man suffa Tha men underwent a six months course of ler pliae, with atreaa on physical > training and drill* , asthropametrlo and physical perfem* anca testa, made frequently pld Ass toward nozmal levels, and the man's mental attitude improi uitable mployment at nomal wages vaa provided for 90 par trained, and an analysis of pay sheet# for a sample ' four years stowed that they had achieved full ecoi lllta&o2 rs also conducted an extensive study of the physical efficiency up of children between 3 and 20 years of udiag English, Agtfcand ah, Bantu, Cepe Colored, Indian Tha slailaAty bstwitk at of pto*l6l0<lc performance of racial groups was strliS^ et of puberty on tto leal effideney is notewort ,, hireble to collect more on the relationship betweansu' nutm^&nal deficiencies and cal affieienoy* Ths tozas "fitnaaa* clutffN generally very loose- applied, should bs oonsldered with tha qua "fitSthiqwnf^tainnd efficiency for what?" To lUuatrata this point, ths authors cite- tahetfd of remarkable athletic ability In apeeiallzed fields, in parso severe physical defects, soma aAdant at once and cthars discovered only aft th* The authors believe that the only satisfactory measure of Atnsss for t is physical per- romance, and predict that thooAea and concepts of Atness will coengo when mors phystologio and clinical sxpaAences in this ^l^pre presented in the medical literature* 346 Briggs Never Stop# flighting Occupational Diseases. H.G. Trench* Amer. Business, li, 18-9, 48-9 (April, 19*1). :" This la an account of tha expeAenca of tha BAggs Manufacturing Company in :c- bating occupational disease. In tto plant with 80,000 mployeea, two physicians, tm technicians and one chemist devote thalr full time to hygisns. All new material* are enmlned for toAc constituents. Lead dust, mostly from gAodiag operations, is rmoved by a push-pull ventilating systm, and all tha usual pre cautions against lead poisoning ere observed, an aid to which is a printed em ployee's handbook containing all rules* Air samples are taken frequently. Spe cial allergies are noted, and analysis for possible sources of dermatitis and change of occupation for sansitlve parsons has reduced sueh trouble to e Ainimim. Digest of Industrial Hygiene - 6. The physical examination program includes watching for eomumlcabl* diseases and preventing contagion. The program has repaid the company in maintaining health in the city, in promoting steady oploymant, in contributing to a better product and in providing insurance against the possibility of occupational diseases. 547 Absent*aism in Industry. H.D. Mudd. Trained Nurse ft Hasp. Rev., 106, 344-50 (May, 1941). " The probla of absenteeism is fully discussed with reference to (1) general importance. (2). records, (3) ftstrlbjgtfoa and (4) control. The gravity of the probljH is now lncreaalng on aocoumjfo&aetionsl defense. The author feels ti it Jm^jsportent to record every sraftce regardless of its length. Every abf eoipXofji* shouldte lnt*rviasfe,byVnurse or doctor prior to hie return, The reeled* shMld) be comaKera/ end should be recorded on a master sheen, !Jhhtfdi- tion t^d^vldhejp^uQ^^g)ie^thit they can be studied monthly or^muyl^Dis- trlbutlos^fjabeejumKjaeerolng to a nwber of factors is disejuMKRg^Iiy with the aid of^ffia^ffl^gfigfes compiled by W.O. Hazard of OwangJXbroM (Hass Co. The records^ffi^ttarrvi^M of all absences are of less ttf&jajjmys duration, and TUlf^dytreMoeg. 4 agjrfSy Although the short absegggs cufrise a mall per- should receive ideration, on account ofjpeea^s centre*. a. in respirato: one. turnover and ax- the mtployiea)t> Mb than 15( of " are due to disease* legally lifted as oc of non-industrial accidents are 6 to 10 times uent/ [used by Industrie! accidents, 4b- aences increase a , but the laagth of disability ta creases in a greater rat: ng factors in control of absenteeim >are discussed: (1) amount of neee; (2) occupational exposures; (3) physical azaainat surgical first eld; (3) control by private physicians; { ^ ustriee; and (7) reporting to estab- 11shed agancias and' ciai/wk aad should exert an influanco on lowering absence^^tda^ The absancagaro^ chedead, the fewer there will bo. Proper superstefto&irr safety and of bagith lead to greater care at home and dseiAenpu ml as at work, Itlon and recorda asaociated with ftM^aMrtr*aro*nt disclose cond , guida tha private physi- 1mTM greeting them. The private p8$sl retum tha patient to day he is wall*. and in the auti ' :e for Sunday dis- lea should be discontinued, decreasiJ absaneaa batwaon sday and Saturday. Visiting Nurse Assoc! plants, and coopar atlon with State and National agancias 1a rt] ting abegnaps, sra reconandod. 54S State of Maryland, first Awhmh Report of tha Madfi^tsHoarA for Occupational Diseases. Industrial Accident Commission, for the PeftoA~Juns 1, 1939 to October 31. 1940, Inolualv*. 73 on* and 10 uncased taclee. 3340._ This report preeenta a complete analyale of the 391 cleo^fUed with the Mary land Medical Board for Occupational Diseases, during the period. They are dasalfled according to occupation, industry, type of d&wase, and disposi tion of the claim. Of the total of 334 claims that were awarded, 185 were for dermatitis, 70 for disabilities, from blisters or abrasions, 39 for bursitis or synovitis, 13 for load poisoning; or its sequelae tai l for slllcoals. The tablet an followed by digests of .the 36 claime that wore formally brought be fore the" Medical. Board., ' V ; . ' t. ' 549 Keuropathologic Syndromes after ELectrlc Travaar * Bote on late Sequela. ?. Scheiffehrt. Dtsch. Ztschr. f. NarvanhsiUc. 151. 153-70 (1940). (German) The author reports several cases of after-effecta of cleetrlo shock on the ner vous system. The symptoms are quite varied in the different case*, but all can be considered as indicating damage of certain sympathetic gugiione or "vegetative paralysis." Digest of Industrial Hygiene - 7 590 k 4ai p^nlologlcil Investigation of Electric Arc Welding. III. Coated Weidiag Bods. C.PJIcCord, G.C.Earrold and S.f.Meok. J.lnd. Hyg. h Toxicol., 23, 200-15 (May. 1941). Ia continuation of their work on electric are welding (Abstracts Ho. 703, Notw- ber, 1940 sad 454, Juns, 1941), tbs authors now report their results on coated rods* Hod costings vary materially la composition and some with the siaplost composition were used in the experiments. The principal elsaonts found in the coatings and fuss, in addition to those from the bare rods, were silicon tltoaliA* The quantities of nltrous^taes and ozone in fiaos fro* coated rods were lower than fro* bare rods, bu&^ffluMtalllc fines (iron and sanganesa) we] auchJtore abundant, especially ts5*au^nase. The aniaals (rabbits and alb; exposed for 4 ixOaf for 46 daps out of a total of 64 da: 12 half-hour intervals* Contrary to flj fanoes wore encoiatered* 3ubetantli met) ibin the blood of exposed rata, and lta< welders. A few additional boro rods In In the blood of ths rata* case of bare i quantities of nltzeua evolved, no stive to pulaonary evere respiratory tract , traditionally toneally with^S ed with nitrous gas ' fiau dust exhibited inert lec ` rth sill presented characteristically i 551 Hystttua in tha Dutch__ ...... gatlona. J.W.C.Verhage. Q\ 100 . 866.76 (19*0). ICmmi). Tha author preaonta stati^tq^f^ttTnysi In tha Dutch coal ainlag areas and j shows that the nifeber ' ,_____ disability la influoncod by tha economic situation. moat ^abh e of nystaeaus is dafactlv# lllu- ; mention, photcnatn^^easurAents ware i tha alaas under various types of illtail natIfidxVyeaults showed thatFe is the beat illualnnnt. "952 An Autoad&^S&bod Disulfide Record' and W.ft. Calvert. J. Ind. :ol., 23, 196-9 (toy. 1941) and inexpensive carbon dlsulfl escribed. It la based on loriaetrlc analysis of carbon dl acetate end dlethyl- .no in methyl :oelloaolve. When hydrogen t it is removed by passing the alr through alkaline oadmw. chlo enters the absorp- tlon cell. Tm Zenith puapa, which are geaerallr&alla&t in rayon plants, nay be used, one to handle.the absorbing liquid ahg^fhe other to force the air through the liquid* Use of this recorder obviates th^need of routine annual sampling, and it gives a peiannent record of the caxtoo^3$lsulflde concentration at all tlaea* 559 Effective T^nerature Seale. A Measure of Huaan Coafort ronaontal Tatar- aturo. M.B. Verderber sad f .C.Houghten* J.AaJled.Assoc. 474-7 Ifobruflry 8,-1941). - This is a review of the effective temperature index end Its application to ordinary living and working asviroments in winter and svanar. 554 Adsorption of the larlv Products of Bowine Tubercle Bacilli in Rabbits by Anthracite Dust. 3J*. Cianins. Brit. Med. J., pp. 623-4 (1940). Tho author has'devised a method of latretrachael inoculation of an e*ulslon of living extraaaly virulent bovine tubercle bacilli, and the eeae oulslon with 0.2 g. of anthracite dust. Ths addition of the dust led to the survival of 5 rabbits, considerably longer than the controls (116 va. 75 days) and to coaplote recovery in 1 to 6 south** * Digest of Industrial Hygiene . 8 598 Duat-Breloslon Hazards 1b Plants Producing or Ait^inuw. M*flneaiiai Zina Powderl H.R. Aon,. Bur. of Hines inf. Cir. SbT7X48, (lurch, 1941). This paper presents 4 review of the knowledge of tbit exploeibility of aliainua, magnesia end zinc dusts, including tbs uss sad manufacture, ignition temper- atursa, pressure* developed, etc. At lsftst 49 explosion* of theee lusts occurred from 1917 to 1939, including 12 in tbs last firs years. Th*r will probably b aors frequent now, owing to tbo groat Increase in production* Water cannot bo ussd to extinguish fins, as tbs dusts roact with water. Zrtinguisbsra that dlspsrss tbs dusts, thereby creating new and dangerous clouds, are also ruled out. Tbs only method available isttfSlolat* the fire and let It burn itsaif out, to uss inert dusts if tbs<Q^Bl sail. The beet protection liee U zsd in plants. Clsanllness must be , and flames sad fluking must be prohj should be introduced frem outside tbdr nn^King, so that statlo electricity does o^$Uwate e of an approved type* The powder mgttflKJectioa of ted and divided into mull unitm^ncKory with lea of dry sand, talc ora aikijarextinguisher ble locations, and flrq^mtoentcs should be warned Additional gessQwtSfcajuld be carried out as to be leangnNMgp^the explosibility of thsss lamination of Pbreical Defect^ Hasa.Msd.Xnd., ^0, 2X9*39 (1939) eh limit tbs possibilities for a t tbs oceupatloas open to persons t. apparatus, arterial hypertension, ,tus and of the digestive system. Qperatlon^of^fcilt noa. L.C. Vhiton, Jr., Trans. j., 63, 213-6 (April la on cyclone dust collec grouped with interconnect- hoppers* Hesults sbow the equipped cyclone of the in actual practice and operated conditions of reels- v and temperature, performance of the i 1 is repreeentetiTe >of the- group in the field. In the discussion_______ paper, it was agreed that this conclusion should not apply to groups c9u 3 cyclones in parallel. . 558 Industrial Air Analysis. A Description of Some of tl cal Methods toployed - la the Laboratory. W.J. Burks and others. H.T. Stat< Labor, Olv. lad. Hyg. ,- Mimeographed, no date. ~ aq Various insfLimsnts are described, and chemical and pfayslo^^roeedurea are pre seated* for laboratory- and field analyses of air. Speclflc^pnhoda for detor- ining the following substances are described: Iced, zinc, sad copper (alone or in combination) , mercury, esrbon monoxide, benzene, hydrogen sulfide, carbon disulfide, formaldehyde and hslogonnted hydrocarbons. Methods are also given for determination of combustible limits of various gases and gravimetric eatlma- tion of organic vapors when present singly or in known proportions. The physical methods include adeorptlon of organic vapors on charcoal, sllioa gel, etc., absorption of vapors end gases in liquid media, and various instrumental methods such as tha carbon monoxide, hydrogen sulfide end combustible gas indicators, the Mordlonder and Woodlands? mercury vapor detectors and the Tebbena combustion apparatus for chlorinated hydrocarbons. The methods given are supported by ro- . fsrenoes and experimental data which should be of great value to the industrial hygienist. . Digest of Industrial. Hygiene 10 workers la the Chicago district, selactad to form a comparable age group, ware studied a* controls. The data, classified according to age, occupation, and aimber of Tears employed, are presented in a number of tables and charts. The comparison indicates a tendency of bittmiaous miners to devolop preslllcotlc lung changes after prolonged employment. At the mine where the study was made 2 of the workers showed preslllcotlc ehangss and 1 showed nodulatlon i: their chest roentgenograms. These changes occurred principally among undercutting machine operators and eool loaders. The shorteet exposure period necessary to produce nodulatlon was observed In a jpjfk driller who bad worked at his trad# 11 years. " -- 569 Sulfide golsonlna 'V lq^Clea^^c w Sulfuric a^ia Timka. 1 T. Bauer and^L^y `"`"ss; Arsine *bei 259*67 (1940) hours In clesnlng sulfuric acid Two serl s fatal (Abstraot Ho. 860, Decemb< followed i. In the fatal case, examination dfcs$M*tank air showed a ilrrlng the tank realdue, the akfNSoj^fined 93 *g, of hydrogw traces of arsine. The autfcor^gpueri concludes that death ' hydrogen aulflde^sdsMbly caused by reduction of t rroue sulfide bysgEPi^Cna residue, followed bxdSti^of the aoi^^> thoN de. Bergsr^MOMs with Bauer regarding tbecause of the pre rogea attributing It to action of the aeld on thloarsanl t trlsulflde prsaent In the rwjrt* due and the codlia carte tank. In reply, Bauer defends, bis own Interpretation, b general on preventive measures, in-; eludingsavoiding the In o material, removal of as much as posalbla of tba realdue, a :toa-^j^tbe remainder with soda, filling the tank twice with fresh ~ with a compressed air helmet or with plenty of freeh ists afcoUld bfctftifcdi for ursine, hydrogen sulfide, and nitrous fwes 566 Chronic dc Polsoali iav ir. Phaxm. 7I5SoT7 de was Inhaled by dogs for a* mg. per 1. At the lower S?)] at the higher concentration animals wsro quieter then usual there snu and dl a leaving the expocure chamber; Ho blood c Two of the dogs had diarrhea and one died shewing _ In fatal biman easss, almost the only symptom found^ Arch. f. exp. Path. u. first 0.014 mg. per 1., dogs showed little coughing and coryza, nausea, especially weight occurred, isms at autopsy, been limg ed< 567 The Dust Ratal nine Ability of the 56i In Asbestoels. fftf^hrbardt. Arch. f. Gewarbopath., .309*251((11994400). . ~ The author atnmlned tbs duet-retaining ability of the no*e(^j/^238 asbeetos workers, using.Lelmasats method. 56 constant ralatlon betwwwaSfchie ability ud tendency to asbestosls could be discovered. The dust-rvtantlbk capeclty was b*- low 40Jl in several men who showed asbeetotle lung changes, but any others re mained healthy in spite of a similar low capacity. The two mem with aerere asbestoels had a good dust retaining capacity. The author concludes that this .test has no essential value and may be abandoned In pre-^ployment eismlnations of asbestos.workers. . .. - S6B Radiation as a Pactor In the Sensation ofWaimth* T.C. Boughten and others. Beatins. Pibins A Air Cond.. 13. 123-34 {February. 1941). Tosts were made in two identical experimental rooms, one heated with ordinary radiators and the other with warm air. The fozmer was comfortable at an effec* . tivw tamparature about 1 lower than the latter, but the struetural beat loss of tho room heated by the radiator was 80 higher than the other. Digeet of Xaduatriti Quits - 11* 569 A Birina Apparatus fag Lift String Work. C.J. Lsmbertson. J.Am.lled.Assoc., 116. 1387-9 <** 99, 1941). " The author describes an apparatus desired primarily for uadarwatar rttcut work, but applicable alto for work is tone atmospheres. A snail task for oxygen or nltro8tu-onrcta nixturt and rebreathing apparatus art carried oa tha worker* t bade* Is front it a soda-list container, and flaxibla tubes run froa the partial face aask to the container and to the oxygen tank* A leather harness attached to the assmbly has hooks for attaching weights if desired* Oxygen flow is reg ulated so that 2 liters per nlaute e<3rtmospherlc pressure is dalirered for 25 minutes* - - - 570 The of Hga^enia on jrtSfedlatlon and Circulation la M"_- 1. Am Chii AS. _ 426.36 (March 1, 1941}. blood was Induced in 9 sea by parti m non- poll 'thing a gas aixture poor in oxygen, 'eta of the blood, due to lowered carrying^cJ rty and of sin re quite different. Lowered cfjjb&'content caused iratlon or in cardiao uMut, wtule lowered tension entilation end cardiao output, are to ^dnate that thejoni^^enslon in the carotid body laduelng^wShince. Lowered o^gea content kOft ioh Is explained ae a cnaprnn- dlmlnisi ,t) os capillary dilatation.* 571 Air-Supplied Masks for S Arbeitaachutz pp. 291-2 * (1940). (German)* The need of personal to loeal exhaust ventilation In paint spraying is smphaal __ a aasks aoat used in Germany, the Auer and the iscriSgffr^wlth' ttratlone* A belt at the waist has openings cp with the eoappnssed ply and with the half-aask. A filter for/ * grossed air and q^rhnee `or supplying 2 or 3 workers are also. the Nature. Growth and Control^ Cutting Compounds. A.C. Chandler. J. Bacteriol., 4S^B73-a4^Mftroh. 1941) r 1# ample opportiaity for.bacterial iafS^ran fxagmtlng oil through Tar- contacts as It circulates through a plsai^Utbov^pths authors do sot re gard Infection as the primary cause of the akla affectionatebserred, they tested the oil for bacteria* Counts ranged from I4f allfldn^per cc. after 2 hours use to 25 million after 900 hours' use. All the bacteflaiecmed to belong to tha genus Pseudomonas but are apparently of a new speclee^fer which the authors pro pose the nmi Oleororans. Laboratory trials of varlou^ml tar disinfectants and other materials controlled the growth for only a day^S^eo. finally resor cinol was found to be effective. So bacteria war* fowl w^24 hours, and freshly added bacteria were daatroyed. A 1% aolutloa eeema'^KglTe complete sterilization and does not affect the oil, while a smaller Mount prereats spoil age* Ho Irrestlgatloa of the effects oa workers is reported* 573 Experimental Research in Workers in the Manufacture of Dry Batteries. 2* Zanettl* Med, del Laroro 31. 276-SI (1940). (Italian). - The author presents his results of examination of workers employed la Baking dry - batteries (see Abstract Ho. 311, April, 1941). He found rery few symptoms, and no characteristic -ones, of manganese poisoning. I& the blood of some workers ha foimd no changes in the blood calcium or potasslw but snail changes in the glutathione content* Digest or Industrial Qyglcat - 12* 574 Size Determination of Invisible Particles. 8* Ealberatadt. Staub, Mo. 13, 131-79 (1940). . The author describes tbs x-ray method of size aeasuroMnt of ultremicroacopic particles, Including Ita theoretical bails, different way* of performing the examination, aad the accaasorlas employed. tbs alaetroa ray aetbod, similar to tba first Is described briafly. Tha e^pctron aicroacopa Is maraly aaatloaad; It Is available la' oaly a fair laborsto] 375 ds Control of Dust with al Reference to Rasalrators. Ceram.stop*, SSs TM"~ ?*****, 1941). tba American Caramle Society, tba aut 1, with a brlaf daaerlptloa of t adatloas for tbalr eara aad a&inte. 576 aad Slllcotuberculoela Cleaners at tba Acta Tub il, 865-76 (1940). foundry foals* leaK Xadiract aaa may ba alight mantatloa rata la dua to leal symptoms aitbar ra irorfcars entitled to health regarded as tuberculosii pathological aatlty. war# 16 cases sis aad 2 eases of silico- appro years* Masks ware worth- wars more effective. Dysp* Increased red call aadi- easas ware tuberculin positive* Pbys- t pronounced. Only In 2 cases wars' enefit. .Slllcotubarculosls is not to ba orroslr combination, but as a distinct 577 Clinical Bval laMUtr In BxijLiaft senses of Industry. Mayer. J. Am. Mad. 6. 97-100 (January 11, Tba autho^difijhrfsee tba ataeroua pro In determining compens- abili^^^pfiaonary diseases, In tba rlence on tbs Mew York Stsrfr&ajHfr Dapartmaat board of impart! ah review* controversial tlon claims. Two types of probl elves: In one tba dis- Is related to a daflnlta industrial _ _ ba decldad whether is disabling; In tbs othor, disability Is tba question is whether tbs occiq^atloa Is responsible* Tba atanorrattaSp^ibaae problems under the following headings: (1) etiology; (2) produbt&k^oflung Injury and its anatomic results; (3) recognition of pulmonary UlSmcs, end (4) bow such ill nesses produce pulmonary Incapacity, particularly respect to reliable clin ical and laboratory procedures for determining such disability. Two illustrative cases are described* Three types of pulmonary fuaction^WKs are cited and dis- cuaaed In detail: (1) ventilation, or ability of tbs luaigpp-inflate and de flate; (2) gas wwehawffw tests which measure tbs oxygen debVfSjpe oxygen deficit, and the oxygon unsaturetlbn of tba arterial blood hsmogloblnr end (4) measure- msnt of efficiency of the pulmonary circulation* In conclusion, tbs author sub mits a classification of disability grading: (1) phase of compensation. In which pulmonary fibrosis end Mpbysema are present to a considerable degree, but the fltpbysems Is still compensatory and does not restrict capacity for. moderate exer cise; (2) latent decompensation, in which fibrosis and phr*cma are extensive, with marked restriction of exercise capacity with dyspnea occurring regularly on moderate exercise; and (3) manifest decompensation, where the fibrosis and phyem are associated with more or less 'dyspnea even while the patient is at rest* Digest of Industrial Hygiene - 13. STB Possible Respiratory Irritant from Cotton Dust or Cotton Pres. Queries sad Minor Hotss* J. Aa. Mad. Assoc.. 116. 2449 (May 24. 1941)* The question la what irritating substance or dye way be present la khaki-colored cotton now being Bade for the govorrmsat, as parsons who handle this aatarial suffar irritation of tbs nosa and throat* Tbs reply lndleatas. tbs cotton dust itself, especially if it contains histsaine, aa tbs most probabla causa. In flttglsnd, bysslnosia, a lung dlsoass from cotton dust, is compensable. Irrita tion from any dys Is aort commonly manifest as dermatitis. Tbs absoacs of der matitis tandfl to axcluds, but does npgj&eceesarlly azduda, dyas as tbs source of respiratory infection. SulfurJbrewtt^Sye and ehroBsts dusts say ba consider^ ad asJbosslbliitlas, and tllergefwRny^theoretically exist In catacbu. Serai )oust are given* 579 E.D. Sayr. lad. Had., JO, 13-4 . ~paant of tbs prsasnt Hew York Stats wb^ot orbltra- oecupetlonsl illnsss and Injuries* AWWcrlbss the lav* Ha is coarinesd that tbs for arbitr al bllla now in offset, wfrhls ah*'perfect, la tbs bundling of tbs cgjrfCw treublssoas problaa* alrss to keep Idftdferlb&g aatlsfaetorlly* seo N*X* Porstar and Hats: Statistics ars presented s in a Major Oil Refinery, 1*5 (January, 1941). j of occupational aad noa-occupatioa- al Ulassasa and injuria attention to respiratory time casss, and exceeded reflnery during 1959, with special i resonslble for 61*90 of lost ^occupational diseases and noa-occu- patlonal injuries coablrf ,ce was la february, and prepby- lactic asasures end up at that period should be inati- tutad with on reduce ihe , Gaatrolatestiaol disorders and tbs artbzltlc^Lvunplc group are naxt^^ and can be controlled by acre nrid* WeiWploymnt exsalnatlo chock-ups* Regarding in KtlBsa as aany lost t ured outside the plant as In 94fcp)?lddaal pursuits, and the days ly double* Reduction of tlonal lost tins illnesses am achieved by aore attsn* tbs subject on thb part of tho visiting nurse, .tins chocks by ths nurse will also cases In which the fsally doctor certifies to an unduly 11 I Tbs average tine lost by tbs worker has been reduced from 28 daya /^^und*f~3 days a year in a relatively abort tlas, through the efforts of Indorei. but proseat nocesslty for defenss asasures and the interest of tbs govoraasmt,^ worker's health should stimulate Industry to efforts to iaprovs the worker'^'boclth still aore* .............................. ^ 581 . Rehabilitation at Baton Rouse Refinery. J.1* George and G&LAUea, Jr*, Ind. ' Med., 10, 85-7 (March, 1941). ; . qsg) ' The authors describe the rehabilitation progrua at the Betonougs refinery of - Standard Oil Company of Louisiana* The saae problsa were eaooiatered, and net . in. the seae general way, as have been reported by others, but a few addltlonaT points are noteworthy* la the com of tbe white employes the causes of dls- ability from 111 ness follow wary much In the order of causes of death in tbe : nation, namely heart disease, tuberculosis, etc. Among colored smployees, syphilis is the chief cause of disability* White employees predominate In the group that require consideration due to industrial accidents, - while tbs colored ' employees predominate In tbs group requiring consideration due to illness not attributable to. their jobs* Disabled asployeee frequently asks tbs best em ployees* A definite aedlcal plan, thorough elimination prior to placing esploy- . eea in a rwunemtlve occupation, and a perpetual Inventory of disabled personnel; are advocated* Digest of Xadustrisi Hygien* - 14. 592 Chzonic Arthritis and Re-H^iomnent. J.c. luhne. lad. Med., 10, 94-9 (March. 1941). To ths laynan. chronic arthritis is seat comonly associated with crippling of tha spina or ertreaitiea and with sorioua disability. Raraly is it considarad coapatibla with a fair measure of haalth and ralatira freed** of physical activity. So prevalent is this coacspt that it is wary difficult for indlrid- uals to find employment. On the othsr hand, using th* records of the Robert Brack Brighaa Sccpltal as a yardstick-flit would appear that only about one-fourth of chronic arthritlcs do not baccaa (gsployabla in sons capacity due solely to thM aevarity of their artbrlttrasonddtlon. Contributing factors to ths tidffW ths probability of t^alr ^employment include sueh considaratioi occupational eand tna^^narthrltla. Much more dstailad and ci collected d*ta cxecaa^UaSmrc^eriod of time are nacaasary for the elucidstit^qf thMJM&&nted problem of re-employment and ebref rthritia. 593 Medical Ltloaal Status. If. TheOcul ations of Awt twlnm BU Lai Consideration of the Pet Bub.health Repta., Early Changes (Juna 27, 1941). Of l ____ group 49^ had gmdSlg^laothsr 54jt had nicros- " ~Lsr leeioi tlo of avltaaiMbtfMlv Tbs ocular condition was lie conjunct! .doiniatsgftluN&rTltamia k as specific therapy to 'h port of the gro ltlvt fegfosi In nine persons have now co^ pletaly disappeared. as by bioelcroacopio examination. In all othars receiring ^unctlTal lesions hare markedly receded to the point of near dlaaj all caaes the strUdLng feature is th^ ary long period of tlae ' ete reoorery, a matter of months eTen with therapy of high sot recalTisg therapy have shown no improvement. Zt j*Nydgtbst^d .tttat probably precedes night blindness as an early signjtf (hrabaminosiaN^r^ For Ion of early avitaminosis A, the bioalcroaccpic ^Sw^EtloiL is racormlmbad e, convenient, objectIt# method. JjhaKfetiJascombined with grooms: n, all degrees of xerosis aay ba gradAd^ddd^ing to severity and hb^fcriced prevalence of avitamin- osi&f$>tgis low-inccos group, objec aa^jpfllidating prerlous dietary Testa its ralativaly frequent o "cei^ihe population at large. nealcal gust Control with Low Resistance Part 4. Filter Connection and Pan Selection. 7.7. Kravmth. ''Mist. A. & 33-5 (jebruary, watt: -- In this Intel!--nt the importanct of proper conagtftas for the filter and ex haust fan are discussed, then properly connected) tJ^r resistance lose across ths filter is a large flection of the overall resithac^loea, but the ovorsll lose aay easily becoae several tines the filter lots wh^j^hs essthly is poorly designed. The else of the filter nut be selected not oaJfor performance but also for low resistance charaoterlatice. It 1s false eeohgK^to scrimp on the size of the filter, as savings in lint cost will be replace^ by increased aain- tenance costs and power consvmptlon. . Size, is an Important consideration in fan selection also, fqr a series of similar fans, capacity is direotly proportional to the square of the dlsaeter of the fsa wheel, and so a snail fan aunt be oper ated faster than a large one. Other 1tarn*. Ascussed are frictional loss in cho besrlngs, leaksge, frictional resistanes of the air moving over the fan pajts, and shock losses. It' is essential, in order to: saoure. the aost efficient fan that we carefully select the proper size, the aost: efficient type and the beat workmanship. /'. .. ' . . . . . , . . :. . Digest of Industrial Hygiene - 2 Legal Develoimtenta 696 Inhalation of apprised Le:id Paint. Lead Poisoning. Accidental Injury. Respondent arked hair a day with petitioner on July 23, 1940, and experienced soae discomfort and roquaeted a respirator which the petitioner furnished hut which by reason of lta age and condition* was only partially effective. Respond eat worked the following day and stopped a day on account of lack of paint and than rorked three days more with lead paint and two days with alulnum paint which had no load content. Ihe respjndSt testified that be began to have stcnachcnmpe end muscular. pains edskha&felrd day but that he thought that hi< diff^wgty was dun to the confined sgpee in which he was working and the lnt hnat.^cwDondert^iturnnd taduin borne July 31st end his condition becemj as to must aedl^Laetsrakvi^ An'injury to an employao engaged lif hazardou9^doymahr^^^^iasc# of exposure to and inhalation mramues&ed lead ptontN^s&hars^^qr;jgeasure spray gun ovar a short period dtt^rwhich results In Is sufficiently certain ad in point of tint to eggSicatKan^j^deatto injury. Award ofnancs^gtloa for ten- porary disa^SiqrsBstaijttsd^) C J. Howard k, Co. ct al^AKcK^ at al. Okie. Supro%^N^l^^ntui^9. 1941. (CCE). 699 iesultli Arc-LtwfteJViBHfcy. ^Accident" within the of the Act. if 0( ice onfewiMtfldent. - This controversy lAVQlTt Cion for an eye bum* "eonjunetii vltls,* resulting to^ flashes while the oployoe was wotting noar welders, i*.l nlwnwt awarded coapenst Coodsston found In favor of the 1 it disability la involved, the nnttors presented bolng tj accident, ad the question as to which of two the. oployee Vorkma' s plaii Ld it be Judicially determined that ipensebdfcflccid ^injury within the meaning of the u&dinputedi the Groat American Indemnity is inpufer c sployer for this hazard lasy wbh^ee Jun* after this data, end the carrier of the occurred Kay 10, 1940. its urged as requiring reversal Log of the Wortama'a Compensation accident within as aecldat the di fl uty did not extend over ten days; the acci&qjt''occufc^ed^soma tlae efter noon 11, 1940, at which tina plaintiff in error wej*,.$M thi^arrior of the risk. : Counsel for the Indemnity g*r*"7 first eontead^i&aBnliabillty, in that claimant suffered from an occupational dlsoase mtherjKma an aecldat. If claimant had beaa working as a welder tharo porhapt wo^JPbe some basis for tha contention advanced. Be was engaged In doing general wogjjLnor was this injury, under the drewsteaces, to be expected la the usual coum^gf ovate. Thare is ample testimony to support the finding that the disability og?capensoblo from June 5 to July 3, 1940. Them la no dispute that the iajury^iqr which tho m- ployoee sought compensation was present Kay 10. The coodsalon was warranted, as a reasonable inference therefrom, la finding that claimant* a eye condition resulted fra a exposure to flashes laeldat to welding operations on that dsto, or within a reasonable time prior thereto. The Jurigiant is affirmed. Groat America Co. . State Compensation Inaurwg* Imd *t i. Colo. Suprmu Ct.r Decided- Septober 2, 1941. (CCHJ. - ' " ---swUiiwl' Keating -- Nov. 12 end 13-- Digest of Industrial Hygiene 4< 702 Silicosis. fiscoverr of Comop-Lsw liability for Negligence. Attmapt to Recover fmm Insurance Cirrlp. Mo Accident. It appears that the plaintiff* before the institution of the suit at bar, bad secured a Jud^ont against his former employer, the national Inn Company, for damages on aocount of having contracted allieosls by roaaoa of the negligence of the ployar In Ita failure to obey and comply with certain statutes of the Stato of Klnnesota designed for the safety and wall-being of ployoes in cer tain types of Industry. Tho plaintiff ailoges his Inability to colloct bis said Jud^ent froa his former maployer, g$ttjxgs this suit against the insurer. The defendant, on the other hand, cont^gg^twt said policies only cover liability f#oa.r l4Anp/MnM&oas. sustained Wb--y AaMcci nt,'ia that plaintiff* a condition was caused by dls the pleadings but two questions for the to det st, whether the policies corar llebU all inj tained by accident, and, second, wai^^Wd*#*' s injury In the ease of Golden . Lera^rajj^Iac., tba fact* ar^i^0M@e.caX with those of this ones .a the Golden case, [try of Golden against his not under tho eompe: eluslTsly on their ability for negllgpffi hasfully, not because of eoddont, bu^Atw^aad exci dlous and o , in the causation of wfaiO^tnere was no ae meso has determined the precise questions rale tontlons of the plaintiff. . The motion of the v. Liberty Mutual Ins. Co.* tJ. S. Dist. Ct, Diet, of I 29, 1941* (CCH) 703 Occupational Diseases. Wo: Lon Lew Supplwat, How York State Department of Labor, p Carbon UonoELdo Poiso _ me motors each day entile neuritis. Tbs Board found to toAe from running mo sense eororsd by thi83 aw sd n large maber of automobllo blind as e result of optic ess resulted from exposure the claimant's condition was filling was affixmed. iccupetional Diseases." this paragraph: Arthritis, tra who uasd a IS lb. iron, tmwatlzatl Isure involved. Award was baaed on the id. 'Bronchial asthaa, suffered by an a Bronchitis complicated with asttmn contracted bj^ palsy suffered by the driver of an open truck end drafts, cold sad wind, necessitated by his plo oa ware hold compena- wrlst, suffered by a by the repeated a of tha use of tho ntar. rfcer. Bell's uted to erpoeure to Dupuytrea's contrac- tlon sustained by a marble polisher required to tlgk loosen olotps. 704 Slight Deviation frem Duty. Annotations, nsetlon Law, South Dakota, 1941.: : Not every alight deviation from an employe's duty will deprlt^pom or his dopend ents of thoir right tc compensation \dr the Borkman's Compensation Law. There is a distinction between negligently doing an authorised act end doing an un authorized act or one beyond the employe's Job. The first doos not deprive the oaploye of his right to compensation whereas the latter doea. If the injury or risk of injuagrls Incidental to Aploymont, the right to compensation follows. (Stratton . Interstate fruit-Co., 47 3. D.4S2, 199 H.W. 117) . . --Bacmbor the Meeting, Nov. 12-13---- Digest of Industrial Jfygiene 5 705 Disease: "Injury br Accident.* Annotations* ?. 26, ^orlcaanfs Compensation Law, South Dakota, 1901. Encephalitis, causing suddan collepso of a district manager after unusual xertioa, axposure and exhaustion, was hold to canstituta "injury by accident." (Henzlik v. Interstate Power Co. 67 S.D. 289 N.W. 969). I'PTE: It has been called to our attontlon by one of our member companies that in ttm. #427, June, 1941 issue of the Digest, relating to the recent enactment in the State of Washington of Chapter 235, 1941. the sorting Is so framed as to be apt : to give the erroneous impression that job act did not repeal the schedule of occupational diseases previously cqaa|fc^>ln tho law (Sec* 7679*1 of Ralngton* v RoTisod^ktatutos) end consequently ym ouch schedule Is still part of ths law?'^ wharcodCsnch act ofsl941 azpr*#5^y amended said Sec. 7679*1 of lUmington* 3(c*/yO vised Ly quoted in ths first paragraph of * * -- in the e, according to all rules of consj tho said * law* Compensation is now payaj for ^SL " eztra-hozordo action as arises naturally and this term being elsewhere and General Ind 796 Prevention of SlllcoslslQ; Discussion of the use of cerpts are given from the An extensive bibliography is __ 375-578, 579, (Sovamber, 193). n the prevention of silieoeis* Ex* ichsarbeltblatt (vol. 20, So. 26,1940). 707 Mincmlogical __________________stion. H*J. Eolmers and. H.tJdluft. Jahrbuch d. Preuss osesst^t, B^l. 59 , 727-754, (1939). (German). Scriclto, kaolin lungcf a sil were She^Bpsts4mrtant substancos found in the or. There was j^quart&^iowerer, the wash liquor con- tained an the quantity of collol^yCdillldM^mcid. The authors think that rtont in dissolving thnSilicir^She tissues and so, corres- pon plays on important part in artwmlnlwg^jae course of tho disease, .ved substances correspond to thoj$yi|4o-c!*$cal reaction of tho dust es and ths fluids of tho body, eithorN^K^sat^d^^bout has or produc- callosities by precipitating out Structural Examination by Boantgan Raya of Pnofocfo&otlc s of Porcelain Workers. Pert 4. H* Gartnnr. Arch, f* Gcworbcpaitt^lO. 151*163 (1940). (German) Roentgen and chemical findings ore presented of the dute tsen in the lungs of .10 porcelain workers and 1 fluorite worker. Eanlln end lines wore aeon, szd in every cose in which dust was found, quirts was also n by chemical analysis* Ths author states "....in the dlagrm, interferohSjqj^iagB of kaolin - were to be found preponderantly or oven alone,* and further that *thereforo it is obvious to say that tho alUlmonlta and kaolin may glr* silieoeis without . essential sdaixturo of quarts** ..................... 709 The Question of Serial Esaminfttlons of Workers Erooisd to Dust, br Moans of Min iature Roentgenogrums. . Saupe. Arch* f. Gqworbopath*, 10j 93-96 (1940). ft--">****)- ~ ' It is possible tc axsmlno many con in a short time with miniature film -- the size most frequently usod is 24 sq.mm* (0.95 sq.ln.). Socond stage silicosis is easily ssen with certainty and first stags can usually ba recognized if the technic Is perfect. The method must be improved 'and should ho follwed by large films in suspicious eases* Digest of Industrial Sygieae - 6. no Slllclum, Silicates. Siiicnan. V. Gists. Klin. Wchnachr. 336-560 {1940], {Semen). . Rabbiti war* injected Intravenously with finely ground am cato duata: clay, feldspar, aarlclta. Dapoalta of tba dust warn found la tho splton, livor and . lymph glands but no lacraaaa la fibrous tisauo. Opal {aaorpiua silicic acid) was also lajcctod and tha raaults wars large deposits of dust with many giant eellSf but no fibrous tissue. Opal Is sore soluble than quartz; therefora, the conclusion Is made that the dissolved attleio add Is not the fibrous-producing substance alone. Quartz is tha onljh-rabVtpate producing silicosis. Oust taken from markedly silicotic lungs was dat\ia5octod, and this again produced slli< sia. ^d$reaae i^be mounfccrf thipanjactad dust could not ba found. Tl author drcaULo vtfjacm the^&majfcion of a covering, characteristic of sis bodiSiqi^ foiap&^SmSa and also opal, but la tbs mallaat^c xs only, la thi^c^ulMraA pracludos that dissolved silicic acid bt _ quartz may pZM^cqdrtiwgnrarlng. Quartz shows no morphologlcald^sdilBshstrabla appearanca of^Mwiviskrjfca tho tlsaue tha duat depoaltod /OTPf^&sitles re tains Its fU90tttzns.duemmaffset 711 stos Dust la ___Anmal, M. Kordaann rsch., 31. le L941). (German). ital work wl %var a--i pJfewri.owd. o-- --f f*r*oim T4,7r t--o, 90 days for 3-1/8 to 3 h eatoala bodlee and pmouacod dot grooa of dlffuae fibrosis Proliferation of tha bronchial' aplthaUma was found, such aching oa neighboring alveoli. Thlq was followed by a ilthalim with coralflcation, which later se<mod to be a aeoplam, The first well-developed carcinoma waa found v only 10 of the alee had aur- TlTod aad 2 carcinoma uad'ams&g tha)~LXa tho first series, 33 of 50 mice llTod longer _ eks; 14 showed abtomhl growth of the epithelium, 3 metaplasia andjg&feigjp ~In the second deltas,'c3B^Qf 90) lived more than 6 weeks; 16 showed abfids& Growth, 5 motaplaslapsed cottftJ>tng cancer. Senary Asbcrtoala Aeecmpagi Hannas son. ol^SS. 40-44 Oobruary. 1941). : be porlod 193^1939 Inclusive, there oaths from asbestosls at Britain, of which 32 were associated s. This reports case of 44 year old aaa who bad beea an asbaatog^blt supplying the mater- lal to a cleaning machine. Although supplied wltlr^a; irator, ha bad never worm It. Ha was tMa, bad a high tmsparature, and bilateral crepita- tions over wiAa areas- Clubbing of tho flngara ed,and tha sputum con tained both asbeatoala bodies aad tuberda baolUl. ThdQtdontgeaograa showod "widespread progressive nodular tuberculous lnfiltratlonwtftV.cavitation in all zones of tha right lung fields and in tba upper and old-zohtup'Qf tha left lung fields.... Tba right dome of tba dlaphra^ was elorated. Thar# was no radio graphic evidence of pnswoconloals." A diagonala of asbestos!? and tuberculosis was made. Tba patient died within a month of epoataaaoua pnataothoraz. Pulnon- ary findings showed both to have extensive flbxo-easeous tuberculosis with cavi tation; macroscoplcally they wore like those of pure tuborculosls. Mlcroacopic- slly there was rareelad eneeoua *ubwsiosl*` with many tubercle bacilli and typical reticular fibrosis of asbestoala with thickened pleura. There la a dis cussion of tha diagnosis of tba pure and compHeated disease. --foundation* s Sixth Annuel Meeting; Pittsburgh, Bov. 12-13--- Divert of Industrial gygleae . 7 713 Th of Coal IdatM in Sew South Talas. o*-igal Awiysis and Pathology. C. Badlum sad H.B. Taylor. Studios la lad. 8jrg#l No. 20. Report for year ended Decber 31st, 1939* Health Dept., New South Walos. A report of ft ndl tigs la e study of the lungs of 30 minors sad other workers la tho mines of Rew South Wales* A brlof c&se rsport is given for osch individual, including occupational history, gross sad alcroscople pathology la the lung, cardiovascular sad other complications, and chemical analysis of the luag. The findings are tabulated but analysis of^jm data is postponed for a later mono, graph. oThe authors stats their yiwjart\)0 the formation of coal dust noduloa, wfclchattier regard as *taking origin's)TM asms site as the early silicotic aodule^jjA owing/JCK thslr mor^Siffarfe nature, they early surround and Ing&ide^ tho tsxmMloaa'6^panlskA3xJionchioles" They raise the question far this imnlon l^w^^^elnort duet and bow far to the aulVnmpw^or free slllci^shtigi adMwjtiwi it. They also ballora "that vary litt^$>rthe dust brsathed^ad^tB^ into the interstitial tissue of the jnhmsf and that ary little bg|9$xwBmi&rSgx ineoluble dust is ellalnated b^tqilSfcioa or by the lymphatics. 714 "Minors Laridr MrtffttkfanloSSfrsg'glllcosis. Aathracosie ; Analysis of 227 Coses. CAi HBOCOnlOSl >11acted >rda and z-mya of a retarana9 hospli sidered as 1st, ted sad pneiaocoaiosls with tube: sms performed* These >sls* /0K\tg^total 22? eases, 142 aro con , 94 as 1st, 2nd and 3rd stage? group of 31 oases on which autopsy divided according to age group and to years spent In alniag* In were consistently negative, were taken oxer a period d5 pntiaoconlosls, sputia samples with 3rd stage pnouaocoalosla grossion visible on the plats, although the symptoms {fRked&d Irf^ comparatively sho^f^epetsuroa, although^ane ntaber of the men had had long es 48 years* Of the 31 outopslea, these conloslj tuberculosis axg&he other than pnexnoccT silicosis at autopsy death In most or all of caaea diagnosod as pasuao- scusslon of diagnosis. Conditions In the Tri^State C.C* Dills* te. J. Pub. Health \of Oklahoma. Hanses and uns, 194IT idy of surface and underground dust eondl District has jeen in progress for 8 months* 1366 surface dust taken at 11 ita- tiona. The worst average dust concentration in foiad to bs 3.3 million particles, and the average for oil counts jymiflu par cu. ft. Ccn- trol stations outside the field gave an average count 33 million particles. Medical studiee gro still being conducted so that safe J can be set. Dust conditions in mines that had a routine sampling found to ts better than la mines without this service* The average _ for drillers in thn latter was 6*6 million particles, compered with 1*6 m33^n for the former mince* The average dust counts for shovelera ware 4*3 end 2*? for nines without and with ccrrlcas. Collaring holes dry was found to be the wjrrfc source of dust* Dust.control measures include wetting muck pilot, Mark ing faces and haulage ways, spraylxg; bondings and drifts snd mechanical loadsrs, shooting off shift, aaiiw^ing holos wet, and vontilation. Dust sampling in con- flned places has indicated that whare these dust control devices are applied pro perly, dust coaeomtratlons can be maintained below 8 million pertlolec. Discussion2 Similar results ware found in 10 mines in Oklahoma.. Lower counts were seen in mines with routine dust sampling than In mines without. Double shift operations increase the dust prohlcm by keeping the dust from settling. Dig*at of Industrie! Ifygiaae . a 716 Control of Tuberculosis and the agployment of a Tuberculous ladtridm.1 in indus try. W. A. Sawyer. lad. Mod.. 10 . 221-226 iJuns. i-94lL 1* Industrial nedicine la prlaarily directed toward the discovery of incipient disease. 2. An example of this la the detection and control of tuhoreulosis amongst tbs Mployes of the Eaa~aan Sodale Cospesy wherothc incidence baa been reduced since 1921 frost 2.3 per 1,000 to 0.2 per 1,000 in 1940. 3. A program of routine aerial or annual stereoroentgeno grams was made an astab11 abed procedure In 1928. 4. An accurate and active. follow-un-CTocmc ia a basic requirement for tbe suecesa^fcf any affort to curb tube#M&bsla. 3. coat of. keosis asong 100 of these ployes, age 31 from mrk par case was 39S working 2 years coat for these 100 caaoa was 9406,] average vate ageneioa bora approximately 864 stHe cost, while pub11 supported) bora approximately 20ft. 6. Rehabili gains of t 7. A facttKitt^8p9^ipl 6 * PB^lowlng fa mplqjment of an errei ;rkar after convalescence oust btfvqny^tired if the italned. ustusWKdrganlzationa by Z. j <2Bthauear reTeeled the rtfi workers with ad bt^tuberculoaia. .taken into to any consideration of the erculoi (a) The extant of (b) The completeness l (c) The character of (d) The necessity for supervision after return to work, 9. It would seem safe to. pylng of an arretted case of minimal tubdrculbsis on the pro; toe It a rlak, provided such Individuals are under adequate 10. Discovering ing tuberculosis if we make it possible for t dual to once ogSX^ be rculoala in Working PI of Infection of Workers. 4(Goman). a rocognize the clala for eempeneet ts tuberculosis from another worker in the tressed that the plaintiff need not provo the a question of tbe managers having violated hie health. It is sufficient to prove that there were dltlone. the PtFortbild., 37, 707- one worker ccnsupreno court ctly if there is acting the workmans* er and dangerous con- 718 Report of a Study of the Qrenlte. Mice. ?eldsper and fo^HM^Industrles in New Hampshire. f.J. Vintlziner and others'. H.H. State Board oFbelth. Concord. H.a. pp. 72 (fobruary. 1941). More of a troatiee on ganaral subjoct of duet oontrol than a statement of the findings in a detailed study. Illustrates the difficulty of presenting a repre sentative picture of working conditions in an industry, when conditions vary considerably from plant to plant. 719 Brpert Opinion About Pas^aoconloels (Silicosis). I. Ganbatz. Beitr. z. lQin. ... . d. Tubero., 95, 286-3U tl940). (German). Only 'serious" sllicoals is caapomated in Germsny. Hew connective tissue forma- \ tlon in the lungs oust respiratory capacity and affect the circulation so that there is a considerable decrease in bodily efficiency. The author has . amlBod respiratory and cardiovascular function in 900 alllootica in the past . fivo years. Thirteen cases and their conclusions ere referred to in detail* Digest of Industrie! Rjrgiene - 9 720 Silicosis sad SUlco-Tuherailoali. II. Crlt1*i -g Boentaonograna. Differential Dlaaaoala Between Silicosis and Other Pulwmw Diseases. S.Oeubatz. PtSCh* Tubark.-Bl.. 1^3, 32-40 (1941). (Goman). A presentation or good description tad reproductions of x-ray films of silicosis at dlfferoat stages* Discussions of differential diagnosis are givon, illustrat ing the differences in films of silicosis, tuberculosis, miliary tuberculosis, cardiac lung, and carcinoma* 721 Subcutaneous Injections of Orygen in Tjhd&nv of Lesions of Respiratory Organs Caused hr Irritating Qdsas* I.Y. SaWMTUs* Sovetsk. Mod. Mb, 19 n. 22* (1940). (Russify " >ni A ropotsof 61 eauh of toA^^nevtls, bronchiolitis and bronebo pneuncaa?\y causod W^lrrlte$jmaei ad^Tnwrted with subcutaneous inj octlons of cxsgbcvy^^ Among tbiK^r^tantT^in^M^o acid, phosgene, chlorine sad chlorpierln^pu^- cutaneous obba wsnMdducod in aaounts varying from the inlttalMKjpof 200 ee* to iS?0^odKmS&Qthor day; la eases of pnemonla asinrafiK pneiaonia 1000 ee* was There was an 1 Mediate Is^tOT^SspSubJectively, followed by^hnnnmn ofsK&Bh, the sensation of tlghfigtas MPthe chest, dysp- spt is also of Talas ementary aaaaure in the ;a bronchitis tating gases. 722 Dlsatom Sickness goalth Reports. S6l VJK* Gafsfer* Public i This report deals with si al injuries causing disability lasting 8 calendar days or proxlmataly 2,000 white nale workers) in the glass industry during 930-34. The frequency of djmbility by broad diagnosis groups with that experieneed by 1TO ,000 nale industrial works f disability because of rhsuaatlc diseases nu oTor thaa^n* n counted for by influenza and grippe* Grinder&raftSfcne workers; and-ft experienced frequency, dis- ' ability, and sMfiraap*rato* vail abdv> for the entire groups of workers* wraf^intereat to obsorve' rkars show all three indexei^tSgerSatively high for either* ry or the non-resplratory diajwtf)^jy&lshars, on the other hand, w the overage for the up of workers with respect to re es but above the arar- the noa-resplratory diseases. G: s above tho average respect to noa-resplratory diseases, and tlonal group ex- poricnced a low frequency of respiratory discs ty and severity rates were aborg the average for the entire group Batch nlxars, furnace and easting workers; show a relatively low of respiratory dis- oases but s long average duration of casos* 723 CwtehiM the Oust from s gamer Mill. O.C. Ralston sad slay, U.3. Bureau of Hines, Report of Isreatigatlons 3338 (1941)* A dust catcher *ts1gniH for use with a homer Kill Is deserihs$)and illustrated. This type of nlll probably exceeds ell other types of orusherd^ln the quantity of dust released into the surrounding air* This arises from the fact that the action of a --*r nlU la closely analagous to that of a fan or blower. This Mission of dust around a baser mu is cheeked by naans of a bag enclosed with in a closed supporting frwi that is provided with a flap door to permit the placing of a container to eatch the crushed notarial* A pipe directs the air current from the top of the frame to a large can that contains the bag. This beg, In turn, rests in a wire net* The wire net is --Mailer than the can so that a 2-la* annular ring remains around the net* This detail prevents the suction of the blower from sealing the bag against tho wall of the can. About 99 par cent of the dust is osight by this beg, and another bag on the hlow- er**-- finishes the job* Digest of Industrial Hyglena . 10 724 Puhlle oa*"-**" of Dust from Caiat Plants. Anonymous* Concrete (CintMllltt.) 49. 214-21 6 (August 1941), A discussion of the various modern types of dust control equipment availabe for cement alll installation. According to the author, a "wall-lmown count plant superintendent," ....'The public dmnands the discontinuance of dusty conditions within a count plant, and In the atmosphere around a count plant if it happens to he located In or near a city or town, or in a rich fasting cocnunlty." Ho has seen this public attitude developing and growing all through his 29 years of experience in event manufacturing opepgftons. 729 964*9 With the Industrial where gases* an attorney* states In out a n: Seating* Piping and Air Cond., and a constant Influx of new workers,y and tbs central rise In business likely to increase* particularly in tfagte'pXants result from manufacturing process#d^xin* author, f specific cases which have ccornp^n various the subject. Bis selec^n cchsne material brings pies involved* 724 of the__ teebutz. p. 407 Protective devices m insurance aseoclatlons. and Illustrations* are glvi >n on Prote ces Against Dust. >r the dust protection of tbei ices* together with descriptions i 727 Bocntaen Findings of the L >eij idee. X. Perth. Arch. f. Den* u. Syph., lgl, 299-314 .v The appearance of tjp/puwylP'ln theqba*e like silicotic lungs with "more fibrosis and "coarsel^ao \<* Tho disease begins In the lungs with a ctervfipflstlc eniarganoaVdC th spreading out along the vassals to Picture of increased 'flMeela hide Polfaniw*- I- Aalwel cute and Subacute Poison- haulier. Arch, exptl. Path. P 193 (1940j. I GesmaniT spheres containing 1:400,000 or more o hide rabbits wore or killed by ^Longed , exposure* The Idt&slteatl v emulative tad the gnosis is unfavorable. AU laportant organs bsfe conge The worst dsmago is suffered by the respiratory tract* liver and ttd&pss^ 729 Occupation*! Pmw jgydrogon Sulfide* 0. Hodenaekdr. Had. Clin., 37, 215-217 (1941} (German). A discussion of the different health hazards of hydrogen -- eeute polson- ing* conjunctivitis, ate. . There are roports of Interest es, the historical background of this Industrial disease* and a discussion of 730 Order of the (German) Minister of Labor Regarding the Protection of Spray Paint ers* March 6. 1940* Helchseesundhoitsbl*. 19* 383-3B4 (1940)* The terms of reference of the Insurance association for fine mechanical sad electric technics for producing fresh sir apparatus for spray painting arc pub lished. Spraying large places sad standing inside the spray booth* the pelntor can be protected only by auppUed-alr apparatus. This must fulfil the following requirements, among others: Compressed air supplied to tho workers from the main factory source must be cleaned of oil vapors by activated charcoal filters; tho compressed air must be delivered in a single lino to the worker* a bench and here it must be separated into spraying and breathing tubas. A hal f*maslr or cap nay be used but tho stream of air must not go directly to the workers* faeo. Automatic regulation and heating of the air are not always n*ooowry* Digest ot Industrial Hygiene 11. 731 Toxicology of Explosion Oases. Bata. 2. gas. Schiess-u. Sprengstoffw., 35, 181-132 U(19M40oJl. ((Gaerman) . ficploeloa gaesa can be divided into 3 groups with raspaet to their toxicological action: (1) Try poisonous: CO, nitrous gases, cyanogen compounds, HgS; (2) fairly poisonous: nitriles, CO2J (3) non-poisonous: Rydrocarbona, N, SgO, The amounts of CO found la tbs explosion gases from several explosives are: picric add 61.05, QfT 57.01, oltrocalluloso ponder 46.87, carbonite 36.0, oxplosiTe gelatin 34.0 and ouonal 23.744* Todcologlcal action is described for CO, nitrous g&sos and ICN. Tbs physiological action of explosion gases cannot bo calculated from tba toxicity of thol&^cttpBt&ts since these ore not additive but sxderglstle. <Qcr 732 Three over and l, aad tratsa tratione when cTn J _ the t elap^d between his globln of the sample exposed can be eetl onccntratlon In Air and Carbon Konoddi f. OeworbapathT. 10. 97-105 (1940). plctlag tbs formation of ttMrooglo If the inhaled CO concentration is .01,4 sitting, --lw"g, or eozfclng; one illus- os In nan (sitting, for CO concon- .third chart shove the CO-bmaoglobln, (these are has* author's self exper- ih an ladlvK ng in CO air, tbs time taking sample, end the C0-h- eoncentration to which he j 733 Photocdloriaetric Determine M.M. Raines end 3*7. Coxae ne In the Air with Zirconium-Alizarin! Ch.. (IT.S.S.R.). 153-156 (Russian with Trench Treat samples of air odShoittttig n^orjne cator, 3 K H2SO4 la a -toluaet 0.3 ec. each of Zr-alizarln indi Add water to the mark, heat to boiling undexu>rjuLux condonser .y. After 10 nln., determine fluorine wlUi^^K^ffitocolorlaeter. T indicator, mix equal volumes of Zr g per 100 ce of we .zarlnsulfonate (0.17 ga per 100 owe^ter). If interfering subat fluorine should be dis* >SiTg from the solution after above reagents and tha its should be treated again as above izsination of fluorine curve should he constructed by rants of fluorine ilutlon of known concentration. By this met ig of fluorine can be determined. 734 An Improved Air SernniiM Pence for Field Work. 7.1 Atta and C.H. McClure. Tech. Papor Ho. 2, Illinois Dept, of labor, April, . A unit for SMpllag air for large implngere is descrlbedgsJt consists of a case containing pump, floweter, and laplngcr mak. . 733 Prosorvatlon of Health la the Rubber Industry. T. Wamedcef^tl. f. Cewerbahyg. 28, 1.19 (1941). (teiaJ. An interesting description of the health hazards la the rubber Industry and thslr prevention. Benzene end other solvents especially are dlseussod and some interesting facts about the dangers of "Buna* (artificial rubber) production are brought to light. The escaping vapors, especially of styrol. Irritate the skin. Individual processes end mothode of deereaelag their dangers are re ported, end there are a large aabar of illustrations. .. .--Annual Meeting - Hot. 12 and 13-- Digest of Industrial Hygiene - 14 746 Spirochetal Jaundice (Walla* Disease). H. Bloom and H. Welker. Virginia Mad. Monthly, A 198-200 (April, 1941). Seven instances of Weils* disease are presented, with autopay findings in the five fatal cases. The authors believe thoro won an occupational factor In only ona caaa that of a Junk daalar who say Jura coaa is contact with rats during his *erk. Interstitial nephritis was the most canon and by far tba noat impor tant pathological change -- the authors consider It the causa of death. Many caaaa are probably mistaken for catcrr with generalized aching and tendernes Welle* disease -- the differential cular^uU and ttdnsy involv Jaundice, the STidroao of acute fever, the body, and jaundlca should suggest s being aided by the presence of 747 Military 1941). A dlseusslo plosives of Tstryl flUtra report tber toxic sub Sat. Safety Saws, 44. 22-23, 77-80 controlling accident and health hexijfcPla ex- unitlon loading plants. The Bstftfran and use high order detonation^ or^na and shall associated with It* xg&toMfe affocts of tho tor, and nerrstwra, and the effects of dangerouSfgm^^fTacts sro slailor to carbon tetrachloride and raUilm industry* . 748 Rodueo So Isa in Steel To JUS. Allen, foundry 69, ao-61. 143 (September, 194li. It has beoa estimated 87 the. tenant Council that daily losses in Industry because of to approximately $2,000,000. The loss Is measured in tasqa e^ies effort by workmen subjected eo continuous loud sotsejKjrais article reeo Tea to rearrange a foundry end erect an enttgSf^^Bwcleanlng room^khlch _ tako advantage of the latest ideas in th^tMSMgfie of foundry solsg^ptfsorpiS Many noise-producing opor- ations wop^dugiu in acoustically trsccswboot the Interior of the buildln^jChaluding wells and roof, was y with aeouatle aater- l&lrf'A^Exi^fftalons hare already boon receiv Indleetlng their of tho noise reduction methods wide ltuted* Managmcnt nrlnced that the expenditure will cert Into more ffi- ont and faster operations la the plant* Dust Control Brst-- Dewip. Installation and Oneratj the Canonsonse Standpoint. T.X. Ermth* Host. A Vent., 38. , 1941T7 Points to be from Installation of an affective t systM, well do signed and maintained, are aphaslzed. Tho advice of &> or consultant should be pioyed wherever possible. There 1s a dleousi of maintaining standards end of giving physical oxamlnatloi @)the Importance 7KX .lighting (Gozaan). v^ldency. X. Eaiarer. Zbl. f. Gewerbehyg __ 33-40 (1941). Increasing the intensity of llltalnatlon increases visual acuity, but beyond a cortain intensity this la very alight. Intensity must correspond to the fineness of tho work, but the direction from which the light esters the field of work is also important'. Blinding by the light and by the refleetlone from the wort is to be avoided* Mercury and sodltmi lights may be of use* since color is somo- tiaes of importance* Sxmxplo* arc given of the economy of better Ulmlnation. er the Booting, Nov. 12-13-- Digest of Industrial gyglene 15 751 ftl 1th Defense? How Plant gaeineew Mika Plaid Measureasgta at Industrial Ventilation. V.CI Hsaeon. Heating, PlPlag * Air Cond.,~l5. 22-29 (1941)* -- Apparatus for asking ftold measurement* of airflow la Industrial exhaust equip ment la described. Chemical smoke producers for tracing leaks or direction of air movement aro discussed and Illustrated as are the u-tube manometer and the pitot tube for measuring velocities* Aljjp shown is a carrying cose for these instruaonta* 753 Tho and Tww*nt of Af^fflfpns Occurring In the Maceatiai Industi H. 2yp^toc> Praqj^tipner. Ifebruary, 1941) ofN^S occupamaal jwprs resulting la the production and pro< disci reforeacee are mada to magnsslia psmaoconl( diodde. bi< used la treating aagseslta cas and axposura to x-rays la laspeo itings. The treattent rultlng from the several expos Ivan la dstsll 753 bar lajui by the effect repeated aotors and propellors* Zxploalon and Soi . Groifcnatein. Munch* German) by cent* la ocoupationol lnfluenoes damage from firing one abpt, nolee la flying tad noise from- \ 754 Diagnosis of Occ"ytiri Straus. 111. Mod. J*, 79, ^^ This la the flrat of MmA artlclei Illinois Oepartaaa^oCTDdbo^f Ini tho problan of oedroratibal dlsoases* Attention is /AmcQa to the need fo merml Medical Practitioner. 0* C. 3ST \the Director of Industrial Hygiene, it the geaoral practitioner with will be dealt with later, .ate occupational history* itlon to Protfl Voxksrs. M* Davidson* e'ea.M mi Id.) 49, 184-133 I two aspects to the obligation of eguard its workers* One is to asks the earironaeat safe eliminating hazards using accidents, aad the duets, fuses, into _ r lllialnation, responsible for occupational diseases. Much has shed in this con- nectloa. The other aspect, that of making thw' safe for hiasalf, his oo-workar and industry, has not yet recalved the tlon It deserves. It isvoleae proper vocational guldaace aad adTice for t cast with Irreaadl- able defective eyesight aad for tho worker who has lt la the course of hla wrpl njaant A survey of tho incidenoe of true dot eyesight anosg the industrial population la terms of its most important el ylsual acuity. Indicates about 140 to 180, with sost probably lass thea o serious. dafootives. 756 Mew Theories Concerning the Origin of Mvonla* C* Lindner. Pin* Monatsbl* f. Augeahell* p. 582 (1939)* (German). The author prteonte his concept that myopia nay ba acquired by miking at close range, in opposition to the eoacept of Steiger, prevailing today, that it is always inherited. Tho occupational implications of this proposition are obvious. --foundation* s Sixth Amual Meetings Pittsburgh, Mov. 12-13-- Digest of Industrial 5ygii* - I* 757 Aero-Otitis Media in Ccapressed Air Workers. Treataent with Hellim-OTyffen Mixtures* W.H. Requarth* J.AJi.A* ^l, l766-1769~lApril 19. 1941). This condition was originally dsseribsd la aviators but is found quits oftsn in . compressed air imzkers as well* Obstruction of tbs Eustachian tubs is tbs pri mary causa and is mart oftsn dus to upper respiratory Infections. Pcthological- ly, tbsrs is deformity and hyperemia of tbs tyapsaie mabrane, and serous or sanguineous exudate in tbs Biddle ear. Clinically tbsrs is tinnitus, earache and impairment of bearing. Perforatlpmjjbf the dnm with subsequent suppuration ' is the noet frequent complication,.sAtfcycaaional permanent lapsixment of hear- lng. .Fse-esploynent sstlmatss aj^nMfuf In eliminating those wbo are jredi**?^ posed^oyupper respiratory Ipflppload; In correcting defects they may coattAbutw to re lnf< mowing an Individual to work while from itoa rcb&eat with beliia is outlined. 756 Health Condi isa __ Pluhar. Arbeitssc (1941J. Several aontl ppeared on tbo health hazards odnflL^^workers. The author. _ association of thfl^ahasM&dustry, now pub- UsboedW^^Wf^^Meoc^ i* s material* He chera^o^rvea on tbo frequency comS? only such cataract onjmorepbrted and ccapcnsatod nsated whlcdScaust death or a disability for morafe/than 13 weoksa i figures aro mall, especial* ly concerning coapenaat es. from 1986-1939 , 408 f cases of cataract had baa the compensation law has been retroactive for several sa eaaea arose In hollow ware end > bottle manufacture, a feet larstood ainc# it Is also true that cataract la found only in Lbecauso of tbs particular type of operation, so that Llation is different in different districts. It is thal ideas not present figures on sili- costs which is t rtant ^fccupgtio ,sense; he remarks only that 60 of tbs c oped in making p as a result of Inhaling clay dust whlc up to 50Jt free sf other leaa coo&on. diseases upon w. father touches briefly* the Cornea Class Blowers, Vsstnik Oftal., 17. 160 (1940). (Hussion) routine examination of 600 glass workers s$W& thof them had bcular disturbances. Of those, 1.3% bad eetarafcv, but tBojMlatlon between tbolr work sad the lenticular opacities wore not ds$tklte^'~5eccuse tbeso wsrkcrs were all over 40 yoars of age* Conjunctival lijjieimfafSLfouad in 11* 0 of the vmrkers, cleared up 8 or 3 hours after work* One maik^Sb^worfced before an open fire without classes bad blepfaarospaas* The deloterioWtffoct of light and boat in this Industry la ladicatod by 8 cases of corneei^gtftosls* Two cases cf optic neuritis could be attributed to the effect of ultra t^Met rays* Tbs author urgoe that workers havo their eyes fined before tirjfl&ag the industry, aad that the administrative department be charged with the responsibility of providing and anforeiag all prophylactic noasurwa. Paperaonlndustrlal Poisons. Cencor.Bsimatltls.jrtc* 760 focal Infoctlon and Occupational Eczema* f, Koch* Areh*f*Dermat. u* Syph., ISO, ,7-50 (1940). (Gnuli focal infeotioa is frequent both in parsons with occupational eczema and in healthy persona -- no etiological relationship eould be established* The succoss of the therapy was the uoa in oesematous patients with and without focal infac tions; the rmval of the fool was without affect on the eczma. Digest of Industrial Eyglsne - 17 70. Clinical Aspects *"* ts--Djseadsg of tin Skin. &. ajpf. Zeitachr. f. ift:. fortblld.. 23. 33-36 (1941). {German). " ' ' " The importance of the occupational factor may be doubted and individual aspects considered if a skin disease continue* more than six months aftero#asing work* Negative akin testa are not always proof that there is no causal relationship between the disease and the occupation* Positive testa are important but cot necessarily a proof. In diagnosis and prevention, inspection of work, workroom and worker are iaportent. ^ 762 Pathogenesis of Hypersensitivity and Persulfate in flour Workers. h f. Dermatol, a. Syph.. 191. 34-40 of flour and persulfate allergy rs* end millers' disease*. Ifoerlreran^lfer and tori*, ssthse and *czm* shorn a poslwOwactlon to allergy is positive only in bsrimp^TVferlng with the cases. But Canaan authorsvBound positive per- tho eczematous beksnt^Smu authors stress the by lnhnlatloa^R&ttln irritation froa wet es i$c<gRvelojsu>8t of<4$^iufat* allergy* . 763 Value of 51d.n Tests In JTSochl Visa. mad. Wot Skin disseeas which are caused by subatanesa not causa is alee useful la Is Imperative to moke t not with a substance, the demnatoses c itloaal Dermatosi* f tonal la etiology may he shown to he, ant's work, Isrly racognition of the saas^inty from hacoming polyvalent. It substance used in the plant, Va^ijftillty la the reeulta of tests and ofmRoa*) must be kept la mind. A New Ind TScpt masers have frequently h the materials being handled materials hard to rmot* from the ler is composed of a sulfoaated oil (ol ist sad optionally a mull saoiat of trlsodl phosphats. This cleaaser has haea vary useful in skins la which olive oil urns previously used as a used la cases of atopic sirrmis la children. Saalth Repts,, 56, 1786-1790 he cause of dermatitis Tbla la especially yet effective skin egatahle), a wetting sodium harmst a sad defatted It has also beon 766 Sudden Appea_r_a_n_c_e__o__f__a_n__O__c_c_u__p_a_tional Eczema Jhaoam Workers in a New Division of a Chmslrial Plant. I. Hochstoad. Uordiak, hodi^j^) 962-386 119411, (Scandinavian)* Eczema appeared mong the workers in sa azparlmeatel laboreto^-'sftsr using hab-nitrodlphenylmint.. The affected mea gave positive reeults with epicutaneou* tests. During illness sensitivity improved sad normal persons ware easily sen sitized. Ursthaa ointment decreased the effect of the chemical. 766 Mule-Spinner*s Cancer. RJC. Brockbeak. Brit. Red. J., pp. 622-623 (April 26, 1941). - Experience la this subject was gained by the author from seeing ISO mule-apl na cre with epithelioma of the scrotum. Over SOjf were on the left aide. The spindles throw ell onto the men's clothing and being of a mineral carcinogenic type, readily produce* skin cancers, Porlodlc exmlnaticns aro of the utmost importance. Substitution of harmless oils is suggested. Digest of industrial Hygisae - 19 772 Tha Effect of Sodlim TMoeulfate on Secretion of Arsenic. S*T. Cedar, L, Zoa and M.l, EUnger. Vener. Pi* Infosn., 22, 123*129 (April 1941). The phaxmecologtc action of sodlia thiosulfate la tha treatment of arsenic poi soning la atlU a controversial issue. A disparity arista la tha results of pre vious atudiaa la this probl which might ba axplalaad on taehaieal dlfficultlaa of araonlc analysis and tha selection of subjects. Taa syphilitic patients, aach of when had coapletad an orthodox cteirse of neoarsphonstene therapy, wart selected for this study* Sir of tha dWMlTad sodium thiosulfate, while tha re. oaiaiaa four were used aa controlSe^Khe^frsonlo content of urine and feces was aaal^ja&ln these subjoots otsts pond ranging fson the 1st to the 23rd day foUot^ag tho ccomletlan ofjtfT^jpurte of neoersphaasaine therapy. T urinarys^iSfeal ot^inai 9%1mgMxcT9ti.on was not significantly affect Inistratibn^if sotewd&nOfate in popularly used tharapoutlo question alrwi I r11\jmriglrTiinHT of this compound in the tree senic poisoning KHgpbragSkraL as the strongest ease for its 'has been based on tbq_p55iTio5tte$ it noblllzed the axcesslva red In the body depot 773 Stud_!__ Ott-Ani^. .adder Tiaors 146-147 and I. Sltimure. In vtfwof tho occuii'^hstrof b0& eanefrfiifib^irTnlliaa workers, the authors attcBpted to produce thsQjjM* >rypmlsmffl!f by o-toluidln sad benzidine. f Rabbits, guinea-pigs, and^^won^sa^^OA It solution of o-toluldin in olive oil was injected subcutsneomx)J0Mai>^p wash in 0.1 ee doses. In other ex- * periconts o-toluldin end ben9MQ|^Nix*^dMsolted In chloroform, in the ratio of 9t and the eolutlone wmf&fxBK&jo tte^tkin of the beck erory other day* Bladder papilloma waj^^a^cedKn/^mixuus^racolTln^ Injections of o-toluldin that survived oTcrJpoT^B'aT I^bbllRMere^NMm^ially resistant to the toxic action of the eiaduUSod showed au high^ innafabe of papilloma. Banzldino proved acre tiAs/^ft when animal a witfi^tood^wsjtireateeat long enough this sub stance alg^&H^iced atypical prolif of 1&Mr aplthalluu Unfertunato- ly, forjfl^iropor evaluation of tho ax(&Utttal~rvrats matters of eternals uso&vtorair those developing papilloaa arv^te^-givett^fibeper produced neoplastic >f the bladder in 9 of 16 dogs troafcpg^g&th l^a^pnphthylanine. Effect of aws Phosphorus on the Mei I. J.B. Shields and H.H. Mitchell. J. Jutrltion. 21. 541-552 time 1. A low content of eoleitss or of pboephorus or in the diet induced a high retention of leed in oflmperlaoa with diet# co higher mineral lovols, In fact, the only netted of socuzlng lead storage in rate on the moderate concentration of dlotary lead ucod (32 p.p.*.) la to gtjje calcitm content of tha diet to Inadequate or borderline levels* 2. Excessive dietary levels of calcium end phosphorus are iably moro protective against the assimilation of lead by the body then levels approxi mating tho requlmeats* This statoent applies only to the te levels of dlotary lead employed.' 3. Under the loosed conditions of variablo dietary coneantratlons of calcirn and pteephorue, tho retention of celeiia rune in a dlaotrlcally opposite direc tion to the retention of lead. 4. Under conditions of practice! nutrition, an adequate intake of ealclts and of pteephorue preexsuhly protacts the body against appreciable assimilation of the low lovols of dietary lead involved in the usual lead hazard of modern life. This protootlon le more effective in the adult then in the adoloecent for any given concentration of celeitm and pteephorue,- possibly because the tenoral mote- boll* of the bone trabeculae le considerably lees intense in the adult than in the growing orgateas. .. Digest of Industrial ^jraiens - 20 775 t.**a Tn<pbalopetjT in Children aad Adults: Cllnioopatholcglo Stud?. x.j. Akalaitis. J. Smrr. aad Kant. Pis.. 9^. 313-332 march. 1941). The post-aortsn study suggests that tha structural changa* la children tad adult* iiro a result of sdama with axudation and hyperplastic changes in tha leptonanlnges and andothallal calla of tha blood vesaels. Tho aymptana in adults oro similar to those'of any brain lnflcsmation, and diagnosis rosta on tha preaanco of a land Una. ' 776 Bobarior of tha Alkali Seagirt and thn<%Mof tha Orlno Bfar Aftar InJac tion* of Calcl\g and Mognaai.ua* and B. BeregglJ Mad. del Lavoro (l941). (Italian), casts offload poll ira troatod by injection of calclu fra concludt that soot degree of aci e. Tha allraj Inn raaarra incraaaaa ia after injoctioa of aagnaaiw ps. 777 Jlanb MS w _ (Karel 'of oonditic in equipaont and in data froa In tho Stats of act. illlnola 071* Deubenspeck r, Chicago, Taeh. tpj wm tlons of neodad ohangaa cleanliness la atraaaad and oparationa la glTon. 778 Hicatina and Internal_______ Moan Hoiking In Tobacco factor-. loaf P. Gwbreoht and A. Lq ! ao. Path. u. Pham.. 195. 143-151 (1940). (Gorman). The autbora showed in i, pp. 121-142), that tha reproduction o; thyroi aeoaitlra of tha andocrlna Stands to nico ,v vw,h__u_n_d_r_e_d__c_ig__fc__ty-to-bdi and 472 textile worfctrs were iaveatlrwrab Jaoalffarencs was fdu$kl tobacco workers con- plained Bpa^n&iacatly of dynoanorrha^ (comhlnad work in fae- tory a long nolle to nolle, ate ajHptona raforabla to the<K0Todsrwhlch wore frequently oncount atal Poisoning by Saloniv with Spec! Jags. 7.1. Bauer. Aroluf.Oowurbspath.. jO. __ Chronic polaoning of tnlaala with selsslw la repo: erlbod and Uluatratod with nleroacopie sections. The aaouata of MUnia found in tho organa is Effects on tha changes are deslio changes aro shown. 7B0 Phoaphin* fAnfnei HrDer**"f) 1. Acuta and ____ a Po__la__o_n_i_nn. y. Muller. Arch. f. exn- Path, u. Pham.. 195. 184-193 (Carman). Tho widespread uaa of laseetlaides which giro rise to phoaplCMksuggostad those experiments. It was sheen that in conoantretloas of l:40,000'^path occurred after 4 boursi with 1:90,000, after two expoauras of four hours oeeh; with 1:100,000, after seven exposuras of 4 hours aeah. Conoeatratlons of 1:200,000 could ha ondurod for two aonths for four heura dally. On animal which had bean expoaod to such a concentration for five days died whan tho oonoentretlon *aa increased to 1:70,000 at tha and of tho first four hours* Previous expoaura hod dlulnlshod the resistance* 781 T.N.T. (Trinitrotoluene). Ind. Data Sheet Ho. fl-Cham. 38. latlonal Safaty Council. Hat. Safety Haws. 44. 38. 40 (Septanber, 1941). Poisoning fran TSR nay taka plaee in three ways: through respiration, by inges tion, or by absorption through tha akin. In addition to tho systole effects, dermatitis, through eontaot with tha akin, can also occur. Precautions for .pre vention are outllnod. ~ Digest of Industrial 3rglne - 21. nz Effects Tallow Phosphorus md Arsenic Trloxlde on Srowina Boast tad Crowing Teeth. C.O. Adame and B.Q. Sonet. Aroh. Path.. 50. 1192-1208 tItAO). * A gtamUti todc effect of both, substances wi observed as manifested by a reduction in the rate of weight gained and bone growth, follow phosphorus pro duced a band of Increased density, the formation of which was attributed to a diminished reeagtlon of cartilage matrix and bone. A disturbed calcification of the dentin occurred In animals recelviafegh* yellow phosphorus end arsenic txl- oxlde. These studies are of theoretlogSutorest in revealing tbo affeots of yellow^hoaphorua and arsenic trlo$^Lav%wo types of calcified matrix. 703 alue^wsvltemln C5yw 0. Libowltsky and E. Seyfrled. Vl kiln. Wabdadhr,,sag/)543*ARSiUi6). (Goman) Tho euthdnL^tala imS^v^^pkars exposed to benzene end lte hoeo^rffltoh^Xhey often flnd^an^BUMDMjBtof anteslno sis C. This in pertieuleri^tfce in the months Ifem&LmjxgSiraM a vitamin C deficiency In the f]M& mrocy higher oQneentratloujKQafeap&ri/4ah `to dosed windows (Roveoher to eaplfr Riapel-Lede congestion g&tajient* *bk\S.3JC positive with the falsest pareantagat in tho winter, ' AlmjSbtha 99%f*es with poaltlvo Bigflffilfiftdo teste ware five id ehowed "exceptionol- ly X^litiooeyta coun<S*^>ia ^fcWfcifth oaee i "moderate leueopenle and of high dagree.^/Jha casjMfrware tspdftm efth centals add and 19 bo- . negative to tho C may be used as a prophylactic to TO4 Basics for Protoctlon Amalnst nr 2639 (June?. LQ4L1 7Z2. The activated chareoalAMw^ "to a large degree.2* (Aljaough he it might be bettorfSojKvo workers we limits for fopg^dAgyae hero not been suggested Queries and Blaor Botes. X.AJ1.A. atll ebsorb fozmeldahydo of formaldehyde are rare, or oxygen masks. The toxic 20 p.p.m. has been What Is Are any tbs new role of aployee health In induedel health hazards arising la this pen$& of sow as? "fancy production? . What*s asm In the study of altalnum powder? Whet ore ths latest legal trends? Vhat 1a. ths audit of siok absateelsm showing? V_/ Tor the answer to these end scoros of other pertinent A' In the field of maployoo health, plea to attend the foundation's annuel Bov. 12-13. Air amtpi i h* 734 Araanle and C3itr* 770 therapy 778 trioalde 762 Aabaatoa (Septober, 1941) Pluorina determination 733 Ccaat, erploelon 731 Seet, eicai> 737-739,- Le meld Reepiratore approved 786 for formaldehyde 784 Rubber industry 735 alnaral0(^^CTgkJo8- 710 protaetioa 730 Statlatioa. morbidity tad 4W f' CLam aoife*r* 728 756' Therapy , injection 781 throat lafoetlon 744 Deimatitlt flour, 765 sJdn taata treatment 769 761 Punt control c oftent 714 general 761 hamaer mill 723 Electric tiifw pectoric 743 EtPloalTca. nllltaipfpoicanine 747 glass hlovara 759 myopia 756 protection 755 Solas. excaaalye ear effoeta 753 prevention 761 Phosphine 760 Photoboroe TBS Proaaurc. excessive 73B-757 Roporta duat survey 715-716 716-717 ^^ftmprs. bladder r diaeaae 7f8tUn?a lnstnaunts 751 *slla* diaeaae 740-746 alnleture 709 mycosis fungoidea 787