Document k9jyoqykQYdLgGRa8w5qQk7GO

FILE NAME Talc TALC DATE 1963 DOC TALC003 DOCUMENT DESCRIPTION Talcosis References > 57 q i 57 ry i if CIS LIVIESTIVITAL ULLVIATIONAL ULLVIATIONAL JALLET AND HEALTH INFORMATION CENTRE sfuroesr incdenc vered dtuasltcDuring Talcosi the of The in the ( the NethrlandsTalcose reduction talcosiray ruber 27 is examinto of findings Tolk Septmber talehigher are of 12 describedprocesingindustry workes dust than 1963 J.C. was Vol " 8 who 41 conetraispreviously pulmonary Tijdschrift extrusion 597-60 This for No. case vor in has 10 19 of the led years pp thought the or sociale The author more genskude roubfer daeutahlosr atsuome talcosi bheadn Ilus were 15 " exposed mweiat-h tthhaet disco- to rbeifbsl Asen 76 CIS INTERNATIONAL OCCUPATIONAL SAFETY AND HEALTH INFORMATION CENTRE mining not and ent from conis industry Results cause quartz types the ) and of pneumocis AetiopahlgyScanseti which mine very From of a 496-506 low industrial handling are in the ofsurvey pneumocis Opticalwell talc talc talc Medicna clincal caried known are talc workes for point out microspic of on contamied miners their and view 357 decrasedray it talc in workes with was fibrogenic such Marnza difractionprotion observdgrindersemployed action and June mineralsanlysi more In to that talc for its as the the patolgicPetinati pure tremolite spreadrsincreasshowed than incdenc state 3 in in distance talc that of the years serpntie pneumo- will difer- in ruber the 7 pp G. and da Ilus talco clincal 10 bibl ldaevolro Rubino aospecfts refs " Milan G.F. talcosi Italy Aspeti P. 1963 e Vol L. 54 and clinci No. dele 6- IALCOSIS ENPI 27-1964 CIS 1147-1964 Fsh Gtz Mpz : ~* of and graphite i \ , The ~ incidenocf e silicosis silicosis inthe mining talc Incidenza della silicosi : SAFETY : nell'estrazione di talco e grafite Gaido P.C. Capellaro F. Braguzzi E. i CENTRE Parigi A. and Rosettani E. Archivio per le scienze mediche Turin Italy 4e November 1963 Vol 116 No. 5 pp 227-233 34-1964 DGA | OCUPATIONL INFORMATION INTER A ON L HEALTH AND Tale and graphite mining expose workers to the hazard of pneumoconiosis on account of the impurities present in the minerals The authors examined examined 50 graphite miners and 260 tale miners in order to determine the incidence of silicosis They made the follow-fol ow- ing observations * a development of pulmonary lesions is relatively slow b graphite and tale dust do not seem to influence the course of silicosis in any special way the only special finding was irritation of the bronchial mucosa in the case of talc i 1812-1964 1812-1964 CIS 1812-1964 CIS * Fsh Gtz Mpz ENPI CIS Fsh Gtz Mpz 89-1964 1665-1964 SAFETY CENTRE OCUPATIONL INFORMATIN INTER A ON L HEALTH AND CIS && Clinical radiological electrocardiographical and spirographical study of tale mine work- ers Aspetti clinici radiologici elettrocardiografici e spirografici in lavoratori dell'industria estrattiva del talco Coscia G.C. Perrelli G. Linari F. and " Martino P. Archivio per le scienze mediche Turin Italy December 1963 Vol 116 No. 6 pp 329-335 23 bibl refs Results of the examination of 60 workers with pneumoconiosis who had worked for more than 20 years on the mining of tale In 56.7 of the cases the electrocardiographic exammation revealed various changes mainly signs of discrete right heart involvement without significant relationship with the length of exposure or the radiographic picture On the other hand the changes revealed by spirographic tests were directly related to the length of exposure and the radiological picture Bronchitis and emphysema were fre- quently observed In conclusion the authors confirconmfirm the opinion often expressed by other specialists that even short exposure will nearly always produce significant radio- logical markings in the lungs 231-963 ENPI 44-1964 4-1964 CIS Fsh Gtz Mpz ENPI 73-1964 CIS 1649-1964 Fish Gtz Mpz SAFETY CENTRE OCUPATIONL INFORMATIN INTER A ON L HEALTH AND The clinical radiological and pathological picture of talc workers radiologici e fisiopatologici nei lavoratori del talco Meo G. Coscia G. Folia medica Naples Italy November 1963 pp 893-902 10 bibl refs Quadri clinici Perrelli G. and Vol 46 No. 11 A study was carried out on the clinical radiological and functional course of the patho- logical syndrome produced by talc dust and a mixture of tale and sclerogenic substances asbestos silica 72 talc workers 25 talc grinders and 250 talc miners were examin- ed The comparison of data collected from these 3 groups revealed that only a mixture of 7 talc and impurities asbestos silica can give rise to progressive fibrosis The most are serious cases were found among miners who are exposed to large quantities of silica CIS 72 72 . -2 CIS INTERNATIONAL OCCUPATIONAL SAFETY AND HEALTH INFORMATION CENTRE USPHS CIS Mpz FEh Nyh atruan 171-1967 2072-1967 Gtz BERRIES Als2 , at J at oo FR GE , years Bom , Odlipe more , years at CS = more years present was present O > SAFETY Ill ap- Ill 1965 |p more apwas CENTRE incyieadrsence , Messite Chicago incidence ) G. more Chicago workers and Chicago workers This and This Chicago workers Chicago workers Chicago 15 incidence OCUPATIONL 1940 Ig , Chicago wo15 rk3e 8 rs INFORMATION had M. workers 1940 group 465-486 " tale group NG tale " Health between between group who HEALTH Health increase D9CI-ST Kleinfeld increase Blo Health anong Health who range increase Kleinfeld 7S present NIB present 38 was 5B was ola NLM NLM was NLM NL +MNLM incidence NLM NLM incidence (a incidence incidence incidence observed te ole als Ols increase observed INTERAIONL observed SofIfs AND anong Kleinfeld anong State range year Health = 0910 BBS anong 59 observed SD Environmental observed Environmental years significant significant Mat=] Environmental York observed observed Jd | Gewerbehygiene examinations talc miners and millers in New Gaido exposure of solu- and Zaki, M. H. Gaido linear M. , Messite, J, "Archives of Vol the Illus examinations effect Vol. 14, No. 5, pp. 663-667. 9 linear Chicago, 1. Taormina many effect on 91 tale miners and millers in Scansetti Gewerbehygiene years examinations to tale dust hy 1940 had 1963 " respiratory ) 1 5 or more Gewerbehygiene years The or Xjy 1963 dusting pulmonary A and 1965, average age at death Xjy Xjy Scansetti Health dusting pulmonary of 38 t 84 fibrogenous from carcinoma of the Xjy Scansetti October 0 years 465-486 18 observed fibrogenous itself population. pulmonary respiratory workers was 1 und after observed fibrogenous itself 79 Mpz the October Health respiratory in incidence year age group rather Mpz in the October to Occupational ap- pp observed fibrogenous authors' findings in Mpz periods neither Thiswas at Mpz October Occupational tale increase duration of Gewerbepathologie observed a similar period where the talcatori , Gewerbepathologie , talcosis microscopic Occupational neither was present a Environmental Environmental oe Environmental in SID Gtz Bete Environmental significant significant Det ES 15 P96I-SELI O18 Environmental significant in fle years significant a ~ [oo] Environmental increase EE achieved York significant 319 Environmental achieved significant achieved 60.4 increase Bo | Maer {2 a. chievaecdhieveidn increase increase of lung 663-667 lung increase Ole a |B ysy mate increase than increase millers es 663-667millers However the the alk ot the le rather ps hahadd However Archives 663-667 235 Archives 663-667However o- rather Archives death a where where cle ie where 2 BIO where Archives Blo However and However where ele and rather a and carcinoma sig ws pp carcinoma BP and 1940 carcinoma group group Zdw , ho carcinoma B where 4 = {po 2516 ILO CIS group 5 miners 1940 at population miners carcinoma No. group 815 2IO age carcinoma minersby No. population population M. miners carcinoma pod puu lastt ion population from Zpakoipulation talc population Zaki Zaki . Vol 91 control average Vol categories and The ppeerriioodd ot ofa period ao |S period period Eg period period similar similar Fie AE SE f Ble % Dba fi , The = CIS exposure covering SAFETY May exposure Proportional age 82-1963 574-1963 Sulla National Changes Nyt Internationales course large and pathological ENPI 8-1964 Illus inhalation were Klinik und 82-1963 CENTRE , examined Anatomie der ENPI 8-1964authors Ehrhardt, W, Sectors examined large "Internationales Archiv ENPI Gewerbehygienc" pneumoconiosis changes , Sectors The examined Sectors), 5 October ENPI 8-1964 pneumocnios pneumoconiosis 680-682 25th inhalation changes Illus, o Sectors given examined 82-1963 INFORMATION Western factory the due of a case of severe pneumoconiosis 680-682 pulmonary these years' exposure G^...thert Western refs pathologically The course of the disease was pneumoconiosis pneumoconiosis pulmonary for G^...thert pathologically examined. In addition X-ray and pneumoconiosis pp many years pulmonary examinations HEALTH G^...thert account pathologically made lung dust particles. The authors talcand read pulmonary effect ot AND G^...thert bibl account pathologically made to a large quantity of silicic acid talc 10 1962 markings INTERAIONL Berlin going into solu- yet Proportional Proportional Sp Mortality Kooyman Proportional Mortality years peared Proportional Mortality years were times =O Se 2oG20F8 S eoS8soekeaceroO CENTRE HEALTH INFORMATION HEALTH SASAFFETY ETY INTERNATIONAL INTERNATIONAL Ps) 2 both both exposure @lo 3 in in 2P alo ry a OF Ole CIS CIS CIS No} INTERNATIONAL SAFETY OCCUPATIONAL INTERNATIONAL @ ENO amB8ag&4 > BT ~ RBH oS wa 5 eg8 8.45 in a@ Hoes 2 seg ro ENPI ENPI g2e % Poo ENPI Ep BL SO F 15-1964 Aas 15-1964 a a HOS A 3S8S58s m 8 8 R228 e Clia nicalradradiologiical ological = radiologiradiolgcical arladiroaldogiioclaolgicevoalutioln Evoluzione radiological radiologica radiologica Evoluzione Scansetti G. Scansetti Scanseti G. November November soem 1963 PSO aPe a e pae t r25th Italian October Paper Paper at 25th October submitted safttaerrtsitarntigng work pneumoconiosis pneumoconiosis pneumoconiosis subjects oe. afSBs go was was present advanced present advanced findings the frequent frequent frequent ffindiingns dings the fi findings a a BY & INTERNATIONAL CIS + ty Qt re oeies, " on B Ble Pp, - Sap y Bip 2 2B o> CIS 2CIS mS ~ [8 1135-1964 1135-1964 " QBs ak |e o2 3 2 Bi5s pneumoconiosis evolution pneumoconiosis radiologica delle radiologica delle Rasetti L. 54 N Rasetto i N. o. 54 No. oe Bie National National National National of National talc group talc miners clinical subsequently subsequently subsequently increased progressively foilncrleaosedw progresively follow radiological radiological radiological radiological clinical examinateixonamineaxamtiniatioonn of BH a7 & ce POET-L IdNa Gtz pneumocis SID extracting estrativa 746-749 Healthbil had examination exposed exposed years years bronchits 68 ENP 8-1964 cIs 1128-1964 1686-1964 Gtz Mpz Xjy industry on tale Radiological and pneumoconiosi nell'industria nell'industria talco del and SAFETY logici del , pp. CENTRE clinici pneumoconiosi pneumoconiosi nell'industria nell'industria estrattiva lavoro Coscia G.C. Francia A. Pettinati Pettinati Milan Italy Taormina Paper read OCCUPATIONAL INFORMATION January January Vol No. on Occupational Health Sicily, 1962). INFORMATION authors read 25th Taormina Taormina OCCUPATIONAL Paper read Italian Congress Congress Occupational Occupational Health Taormina Taormina Taormina at 25th Italian National examined Congress periodically mine workers exposed OCCUPATIONAL Sicily 1962 The authors examined examined other OCCUPATIONAL to dust The periodically 260 progressively exposed function tests INTERNATIONAL number normal radiographsradiographs decreases progressively increas- iy emphysema ~ UE an) we awe AND HEALTH INFORMATION CENTRE levels talcum levels had t1o.5 54.4 Fibrous of % 6.06.0 foundtalcum The The in products American major ...m cobalt products ...m products cobalt purpose particulaes cosmetic quartz The were The purose nickel were The talcum free of were examined samples examinedsilica tthishis , chromiu productsgenerally genraly investgaion cosmetic conte under and were under their and Asociatn fibre also to 1.0 August Fibrous and 1968 Vol Industrial mineral 29 29 Industrial Hygiene conte 4. 4. Hygien of pp 350-354 350-354 350-354 1.0 varied 1.0 manges anlysed conte discus talcum from m was 350-354 to Illus Illus Journalproducts diametrmetals Detroit varied obtain in Illus were their for 0.3 24 to low % health data from on refs Craley one with 8 aspects with to some 4 Michgan samplelengths L.J. 30 of % 22 per the excptions comerialhowevrrangi count USA al July- constiue the from 73 CIS INTERNATIONAL OCCUPATIONAL SAFETY AND HEALTH INFORMATION CENTRE zardous ticles posure prolonged ticles prolonged ticles workers ticles posure workers pulmonary the prolonged comparative pulmonary ft to prolonged pulmonary was comparative exposed comparative pulmonary exposed pulmonary concentrations appreciably exposure function as roentgenogram exposure function roentgenogram criteria exposure recommended exposure clinical recommended clinical for concentrations granular recommended granular recommegnradnueladr concentrationsadequate recommended recommended recommended recommended greater roentgenographic greater t by h gdreiataergnoasimsoe unrtoesntgenrooegnrtgaepnhogircaphic the fibrous average amounts indicate average being roentgenographic Lung fiLbruonugs November fibrous function November function November fibrous function and and November Swencicki in Swencicki 1964 granular tale tale Swencicki granular , granular workers Vol workers workers 9 workers No.wodrusktsers dusts Archives Archives Archives comparative Kleinfeld Kleinfeld American roentgenographic Environmental average 559-566 comparative American that of roentgenographic Environmental comparative million roentgenographic exposure either Environmental comparative Environmental American was American expe osure itheie ther r milion physiolgical either M. Environmental . physiM. ologie caried Environmetal acceptable exposure history Conference particles physiological variety carried physiologie physiological Environmental physiologie particles Conference carried Environmental those Conference Conference variety adequate physiological Conference adequate physiological p fibrhousysiological threshold ft out threshold ftadequate having Industrial limit fibrous limit having produce air having produce and The The and Messite physiologie Health physiologie Health Messite Health Health study Health study study . of findings having produce Industrial produce Industrial produce Industrial and Industrial exposure environmental Industrial Industrial talcosis findings environmental ofof Chicago Chicago Shapiro Shapiro Chicago workers . workers Chicago workers Chicago workers ( talcosis NML Hygienists prolongedfindingenvirosnmental , workersworkers taleosis NML Hygienists III Hygienists consistent taleosis environmental NML ) Hygienists indicate , exposed exposed HHygyienigstsicoensisntenit sindticaste KKoooyomaynmeaxponsed Hygienists study Kooyman par- ex- ex- of Kooyman Kooyman that ied j | 143-1963 Fsh Gtz Mpz F 2497-1963 . 50-196 ILO | ey : 1987-1969 | 1987-1969 CIS | 1987-1969 1987-1969 | | Fsh CENTRE SAFETY CENTRE OCUPATIONL INFORMATIONINFORMATION INFORMATION INTERAIONLAHENALDTH CIS CIS CIS ae with Tak pneumoconiosis pneumoconiosis - report report of si patients postmortem Ghel P. Majeranowski Majeranowski F. , and Messite J. findings Kleinfeld M. " Archives of Environmental Hreefaslth Chicago Ill , USA July 1963 Vol 7 No. 1 pp 101-115 Illus 14 bibl 6 workers who were exposed for able amounts of tale admixed admixed an average of 24 years to a dust containing appreci- | with tre olite and anthophyllite anthophyllite and j amount of free silica developed a symptomatic form of containing a small nical features were chronic productive pneumoconiosis The major cli- ted chest cough dyspnea diminished breath expansion diffuse rales and clubbing onea sounds limi- plaint and was progressive The ches was the most constant constant com- filtration of variable roentgenogram usually usually disclosed interstitial basally degree both and in the mi in- tively spared Cor pulmonale was the flung fields with the apices rela- chanism of death in 3. In major complication in 4 of the 6 cases and the me- ings were similar to those goebnseerravledthien clinical roentgenographic and pathological find- } asbestosis pulmonary talcosis has not been However in contrast to the latter : cinoma associated with an increased increased incidence of pulmonary car- : : ' NML . * 7 Gtz Qix ROSPA CIS 106-1960 T 3087-1960 {| FsFsh h GtzGtz Mpz Mpz Tale pneumoconiosis Kipling M. D. and Bech A. O. Transactions of the Association SAFETY CENTRE of Industrial Medical Officers I ondon United Kingdom October 1960 Vol 10 No. 3 pp 83-93 Illus Bibl A review of past experience of 1 azards in the use of talc is followed by seven case OCUPATIONL INFORMATION histories with clinical details and rays of which four cases occurred in the manu- ! exposure facture of lead accumulator plates one with five years one was that of ! HEALTH a rubber tyre extruderextruder one an aluminium caster and the last an aluminium foundry ; worker at INTERAIONLAND A Fy & |t flCIS i i H | CIS } | i i -KVqK , 13-1965 13-1965 USPIS USPIS 13-1965 USPIS 13-1965 USPIS 15-1965 15-1965 CIS 15-1965 15-1965 FshFsh Fsh Gtz Gtz Gtz Mpz Mpz Mpz Qtz Qtz ! } SAFETY ; , | SAFETY CENTRE CENTRE CENTRE OCCUPATIONAL INFORMATION | INFORMATION INFORMATION INFORMATION INTERNATIONAL HEALTH HEALTH INTERNATIONAL HEALTH INTERNATIONAL IIA NNTTEERRNNAATTIIOON NNAALL AD ND INTERNATIONAL INTERNATIONAL CIS CIS CIS 229 . USPHS CISCIS Fsh Gtz Mrz Pop 4 . 90-1965 1261-1965 i . lung * Effect of talc dust inhalation on function Messite J. Shapiro J. Chicago Kleinfeld M. Ill USA March and Swencicki , R. R. Archives of Environmental Health Chicago . USA March 4 1965 Vol 10 No. pp 431-437 Illus 13 bibl refs function in Pulmonary function tests were performed on 43 workersworkers engaged weighted engaged in the milmlilli ing ng ofof tale tale : 3 weighted engaged The mean duration and average of exposures exposures were 19.0 years and and 62.3 62.3 mppcf , ;r years respectively The predominant symptoms were crepitations dyspnoea respectively The mean predicted crepitations and clucblubbbinig ng werewere noted noted in 12 and 8 , respectively 12 mean Bas~-lar predicted values fortthhee varivoaruiosus function pulmonarypulmonary function parameters measured measured were within the % 95 con- : appreciable number in the vital fidence limits of the control group However an which outside limits valvalues ues whichwhich fell outside these limits ThiThiss was particularly particuleavirdlenyt in workers had cacpap aa cc iittyy i total lung capacicaptacity y andDLCODLCO There were 16 who sshhoowweedd pulmonary pulmonarypulmonary infiilnftiltrraatiotn ion on their ; compared chest roentgenograms asas compared to 27 without such evidence impairment impairment InIn generalgeneral the correla- roentgenographic tion between pulmonary function impairment and clinical and roentgenograroentgenogpraphic hicroentgenographic findings was poor NLM i ! : : : t ^' / ow Sare) FORTE Ren SAFETY Health a Experimental hygenExe perimental hygene hygene Experimental hygene Experimental French 141 French FrencEhxperimental s me CENTRE Pulmonary taleosis a clinical and environmental study Messite J. Reddin G. and CENTRE CENTRE Kleinfeld M. 4.M.A. Archives of Industrial Chicago Ill USA November CENTRE 1959 Vol 20 No. 5 pp 408-413 Illus Bibl Experimental 477 dovrat on in the the radiol radiol radiol radiol radiol meal by by found meal found meath found found meath picture meath picture meath unaccompanied unaccompanied Benin " Benin taleosis woe Ich ce Benin taleosis taleosis M. in Bucreationisens Bucreationses Bucreationses Bucreationses Sectors mar marmar Sectors ( Sectors Taleose Sectors Taleose Sectors Taleose ,. Taleose Bucreationses ,. Bucreationses Taleose Taleose 17 " Archy " Archy exp^'rimentale August exp^'rimentale AArrcchhyyexp^'rimentale OCUPATIONL INFORMATIONINFORMATION INFORMATION 457-1966 INFORMATIONINFORMATION 457-1966 457-1966 ILO INTERAONL HEALTH 457-1966 ILO 457-1966 457-1966 AND a POE \ | 334477--11969767 H 347-1967 CIS 347-1967 CIS 347-1967 CIS | 7 Describes an industrial hygiene survey of talc mines and mills in New York State Fait The institution of wet drilling has reduced the dust exposure in the mines and lowered enae. the incidence of pulmonary fibrosis among talc miners The authors indicate that while both types of tale can produce pulmonary fibrosis the fibrous or tremolite variety is the more pathogenic emeee Femacome We teea: ea + we n * This card annuls and replaces the card already issued with the same CIS number which bore the incorrect code Fsh Mpz sl unaccompanied far electrice was exp^'rimentale Playing unaccompanied Fsh unaccompanied then e e tele 1966.exp^'rimentale exp^'rimentale 1966. exp^'rimentale Gewerbep Fsh Fsh unaccompanied electrice trico Gewerbep Gtz Gtz between powder insufflating between any powder powder between insuflating wiring powder insufflating Gewerbep 22 - chez tholog.e , l'homme l'homme Gtz Mpz Mpz subjective into ssubjuectbivejeinitconttH io veeconduit . SUVA 2-1969 CIS 1083-1969 Fsh Gtz Mpz Silicatoses asbestosis talcosis Silikatosen Asbestose Talkose Also published subjective this 1966 this 1966 symptoms thitshis 33 symptoms 33 symptoms which . which symptoms which conduit year symptoms suck- year 174 201 Published Gewerbe- Gewerbe- Published Gewerbe- Gewerbe- Published 174 201 Published Gewerbe- Published SAFETY CENTRE OCUPATIONL INFORMATION in French Schlegel H. Berufskrankheiten - Maladies professionnelles Schwozerische Unfallversicherungsanstalt Lucerne Switzerland November 1968 Merkblatt Nr 1. 7 pp Illus 6 bibl refs First of a series of information sheets published by the Swiss National Accident In- surance Institute and designed for the Swiss medical corps Subjects dealt with . include asbestos and tale hazards and working environments where they may be encountered INTERNATIONAL OCCUPATIONAL SAFETY AND HEALTH INFORMATION CENTRE uptake and pathogenic effects of asbestos and tale particles diagnosis prophylaxis HEALTH and technical protection insurance practices incidence of asbestosis and talcosis in Switzerland INTERAONL AND tmerin pans also ray of and and ray ray and Tale Tale Surveys Tale Tale ventive listed shown granite evidence Surveys United internal extruding shows evidence pneumoconiosis case exposure Surveys pneumoconiosis widely > granite shows evidence widely pneumoconiosis granite , may measur containgsurfaces pneumocis oe when and of may widemay widely of of differing differing differing pneumoconiosis Kingdom pneumoconiosis pneumoconiosis workers variations tale have the OR pneumoconiosis bevariations Kingdom pneumoconiosis pneumoconiosis pneumoconiosis and workers In aginst powderd time in PRT all varitons the ocured pneumocis factor exposed inhaltion tale and is The August in a disease possible disease possible disease results possible disease results possible disease disease results possible results but to July taleosis taleosis taleosis taleosis taleosis )) 205-1961 205-1961 ROSPA 205-1961 ROSPA ROSPA inhaltion industrial cause cable have the period blown apears 1961 tale of making ruber conuret with uses ben dust to through lung Vol exist there found McLaughlin them exist period of of in McLaughlin 16 51-1965 CIS CIS 51-1965 51-1965 the in a Some subtion industry industry damgeexposure exposure sevral A.I.G. in shouldbe powshiebrleeadequate cwahbilcehs extrude proces tFahteaml Asociatnproodtuhcetrs obnesfeotre percntage countries 180-1 dust are control coiled prevnt case betwen into stickngmaking pneumocis and large intesiy silica pre- most Some Some in of of the the the tyre industries industries to Fatal industries industries iinndduustsrtiresies of industries industries using tyre using using of tale tale tale tale are of are are and to percentage percentage of of pneumocnios the e.g. free and and the and industries workers industries workers workers industries showed showed have have showed showed X- X- X- No. A.I.G. 4 " pp Ocupational Occupational Occupational Ocupational Ocupational Oc upational Oc upational Occupational Occupational Illus Health Illus . Health " 7 London bil London London London London London Fsh Fsh Gtz Gtz Mpz Mpz CIS USPHS 73-1967 CIS 1602-1967 Fsh Gtz Mpz SAFETY SAFETY CENTRE CENTRE OC UPATIONAL INFORMATION INFORMATION INFORMATION OCUPATIONAL INFORMATION OCUPATIONAL INFORMATION INTERNATIONAL INTERNATIONAL HEALTH INTERNATIONAL HEALTH INTERNATIONAL AND INTERNATIONAL CIS Commercial talc and talcosis Weiss mental Health Chicago Ill Illus 13 bibl refs VS.1 B. and Boettner E. February 1967 Vol 11 Archives of ironNo. 2 pp 30.- '08 The authors state that it has still not been fully determined whether taleosis is caused by mineral tale or by other minerals that exist in commercial tale | Onc difficulty me the study of this subject is the lack of mineralogical uniformity between different tile opo- oposits and in order to clarify mineralogy from the occupational health standpoint the authors have studied the principal tale deposits worked in the United States These deposits fall into 2 groups a deposits formed from carbonate rocks usually consisting primarily of tale tremolite and anthophyllite b lenticular ores of serpentine origin containing tale magnesite and chlorite The former type was found to be a greater mdustrial hazard It is thought that the latter type may be innocuous and if this fact could be confirmed it would indicate the need for at least 2 different threshold hit vy thes commercial tale depending on the origin of the material ENPI 14-1961 14-1961 CIS 1134-1961 134-1961 1134-1961 Qmj Fsh Gtz Mpz Qmj ms SAFETY f SAFETY CENTRE Dust exposure in tale grinding and corresponding hazard Esposizione e rischio nelle operazioni di macinatura del taleo Fronzano L. Coscia G.C. and Capellaro F. CENTRE Medicina del lavoro Milan Italy November 1963 Vol 54 No. 11. pp 744- a INFORMATION 745. Olus 2 bibl refs INFORMATION INFORMATION Paper read at the 25th Italian National Congress of Occupational Health Taormina OCUPATIONAL INFORMATION Sicily October 1962 The authors studied 25 workers engaged in the milling of tale INTERNATIONAL none of whom had previously been engaged on dusty work The mean average age of the HEALTH whole group was 47.3 years with in average duration of exposure of 12.5 years The HEALTH workers were divided into 3 groups up to 10 years exposure 11-20 years exposure INTERNATIONAL AND more than 20 years exposure ) Nearly 50 presented no evidence of pneumoconiosis INTERNATIONAL The following symptoms were found in the 11-20 years group : increased linear markings 5 cases nodulation 2 cases calcification or lesions 4 cases emphysema CIS 3 cases enlarged helium shadows 2 cases The authors conclude that the longer the duration of exposure the more frequent were the number of cases of pneumoconiosis CIS which could be diagnosed radiolgicaly radiologically xh USPHS 78-1965 CIS 1249-1965 Fsh Gtz Mpz Pop SAFETY CENTRE SAFETY OCCUPATIONAL OCCUPATIONAL OCCUPATIONAL OCUPATIONAL INFORMATION OCUPATIONAL INFORMATION OCUPATIONAL INFORMATION INTERNATIONAL HEALTH INTERNATIONAL HEALTH INTERNATIONAL INTERNATIONAL AND INTERNATIONAL CIS CIS CIS Lung function changes in tale pneumoconiosis Klemfeld M. Messite J. Shapiro d Swenecki and R. Sartety d Journal of Occupational Medicine Chicago Ill USA January 1965 Vol 7 No. 1 pp 15-17 Illus 11 bibl rets Pulmonary function tests were performed in 16 workers who were engaged in the milling of tale for more than 10 years and who had elmical and roentgenographic findings consistent with tale pneumoconiosis In 14 of the 16 workers the pneumoconiosis was symptomatic Dyspnoea was the predominant symptom Cough was present but not con- sistent The mean duration of exposure was 20 years with a range of 13-26 and the mean weighted average exposure was 68.9 mppet millions of particles per cubic foot of air The latter exceeds the present threshold of 20 mppet as recommended by the Ameri- can Conference of Governmental Industrial Hygienists The changes indicated that there was an impairment in ventilatory function and diffusion capacity for carbon monoxyde DLCO in a significant number of individuals individuals NLM ~~ . ILO CIS 146-1966 843-1966 Fsh Gtz Mpz Msb : mn SAFETY SAFETY OCUPATIONAL CENTRE OCUPATIONAL INFORMATION OCCUPATIONAL OCCUPATIONAL OCCUPATIONAL OCCUPATIONAL INTERNATIONAL INTERNATIONAL INTERNATIONAL INTERNATIONAL AND INTERNATIONAL INTERNATIONAL SCIS SCIS SCIS Determination of dust particle size in the lungs and lymph nodes of tale industry workers by means of the electron and phase contrast microscope Elektronen- und lichtmikroskopische Korngr^^ enbestimmungeann Lungen- und Lymphknotenst^/ubenvon Talkumarbeitern Einbrodt H.J. Metze :, and Klosterk^tterW. Archiv f^...rHygiene und Bakteriologie Munich Germany Fed Rep 1965 Vol 149 No. 5/6 8 pp special issue Illus 12 bibl refs Dust isolated by means of formamide from 12 lungs including 9 with lymph nodes was examined to determine the particle size distribution In all cases the lungs were | | those of workers in the tale industry and mines in Styria Austria The dust was counted by electron and phase contrast microscopy and the result expressed in summation graphs It was found that particles in the 0.05 to 0.2 ...size range were especially pronc to be taken up in the lymph This selectivity is ascribed to the silica content of the dust since no preferential transport via the lymph is observable in pure talcosis It may be assumed that the hazardous particles are to be found in this particle size range {