Document OzvRQQYrgLE9QL3zL9nDy0XM

inhaled into the humnn lung, may -become coated with an iron-rich characteristic golden brown ma- TAtU t terijtl, forming nn "Asljestos body." These are found, for example, in very Urge numiters in the lungs of Asbestos Bodies in Shipyard and Construction Workers; Quantitative Results asbestos workers. In 1963. Thomson reported that he found bodies with the same appearance in the lungs of people who were not asbestos 'workers. Smear? of the lung bases allowed him to demon ' - Blu* Collar - (no Shipyard , Shipyard or s and Construction) Construction White Collar Motet strate these bodies in 26 percent of 600 consecutive autopsies in' Capetown. ' His conclusion was that asbestos had indeed become a modem urban hazard, and he predicted that asbestos-induced mesotheli oma might become as frequent as cigarette-asso Total Humber olWorlin Worker* Having Abe*to Bodi* Worker* Having No Atbettof Bodiat 246 ' ' 129' " 121.(49%) . 90(70%) 123 39 206 87 (42*/.) 1!9 ciated lung cancer is at the present time. Thomson's observations have been widely con firmed, and particles having the appearance of Worker* Having . fur# dr More Aibesto* Bodie 20 (8%1 29 (23%) 10 <S%) asbestos bodies have been reported in similar percentages .in Montreal, Milan, .London, Newcastle^ - rreeccoommmmeennodaautiponn and use as playroom material in Glasgow, Belfast, Dresden, Titttburgbtodergartis* w " cosmet.es. -In -N-ew -Y-o-rk--C-ity,- using a somew-hat more send' Indirect occupational exposure is suggested by live technique, we find that approximately half of recent observations in our laboratory. We find, for the lungs in 1.976 consecutive autopsies examined example, that while, approximately 30 percent of by us show these particles. When one considers that housewives examined at post morteni had asbestoB we examine only one square, centimeter of lung tis sue 0.0175 centimeter in thickness, it is obvious bodies demonstrated, comparable figures are 40 percent for white collar males and 60 percent for that these particles are now very common among city dwellers at this time. . blue collar males. This rises'to. over 70 percent for '' men with any history whatsoever of having worked Opportunity for. .non-occupationa) contact with asbestos at the present time can easily be discov- . either in the construction industry or in shipyards. ': The'latter,'moreover, are much more likely to have ered. There are, for example, some three thousand products which currently utilize this valuable mate rial. _ To the present, Igqk of recognition' of . the. numerous asbestos bodies than any of the other groups. v '- A special hazard may`J>e ji)reseit is the result of potential of 'hoh-occupational the absence of appropriate ......._____ ___ safeu'w-' -i-TM******- S&b'yZ&f: itched Ywk we have seen 24 such " DwQn Without Occupational Expoeur*---1,975 Cairn !. cancers, although only three were expected. We 20-29 30-39 ' 30 40-49 179 30-39 280 0-69 339 70-79 32) 80-89 103 904 7 Total mi ^4 14 S3 149 203 180 62 4 702 18*/. 28% 47% 33% 37% 36% 39% 37% )% to-fj 30-39 40-49 30-39 0-69 70-99 SO-89 904 Total *li'9Ht W * 5 "UM>nri 33% 39% s special risk among the' cigarette smokers in that 31% population.'^;, j .. 1^-a.^yv^aj.: 43% Wagner's 'observations'"' have ' been extended by 39% <3% two recent studies. Muriel 'Ll Newhouse investigated S0% 76 consecutive cases of mesothelioma examined at 66% the London Hospital, the majority within the last 39% several years. She found, to no one's surprise, that PQB000 0933 Environmrkt Voi. II. No. 2 PRODUCED BY FORD HFM - 008373