Document zQBJK1be51g90Z61p82Mkr13B

Cases of mesothelioma Caused by Chrysotile Researcher Mesotheliomas confirmed Features McDonald Vienna/ Poulen Teta McDonald Robinson Scansetti Borow 9 confirmed 2 suspected "There is therefore no good reason to doubt chrysotile exposures as the cause" 3 "study of spouses with indirect, minimal, intermittant exposure to asbestos" mesotheliomas found in 3 women who were spouses of wor'.ers exposed only to chrysotile asbestos in the friction industry; one -- age 40 2 women clerical workers employed in a plant manufacturing brake linings using only chrysotile asbestos 3 2 brake lining installers; 1 brake lining manufacture chrysotile exposure only 17/385 confirmed "over 99% of asbestos was chrysotile...due to the overwhelming exposure of the cohort to chrysotile it is likely that the other exposures played a minor role in the overall mortality patterns" (a previous short term study detected no mesotheliomas) 1 winery worker who developed pleural mesothelioma 7.5 years after intermittantly opening chrysotile fiber bags for filtering wine 70 cases these cases were confirmed in just one manufacturing plant; previous study of only men older than 65 found only one; most of those found died of mesothelioma before age 65 ! Mancuso Wagner Churg, A. Langer/ McCaughey Godwin/ Jagatic 14/156 deaths 12 6/90 autopsies 1 1 railroad workers exposed only to mesothelioma consistant mesothelioma development in successive cohorts by hiring date Cyprus chrysotile miners; ore composition noted to be similar to that of Canadian mines 90 consecutive autopsies of asbestos miners demonstrated 6 pleural mesotheliomas; fiber analvsis of lune tissue found onlv chrvsotile asbestos in 5 out of 6 auto repair man: onlv chrvsotile asbestos was present by electron diffraction analvsis: no amphiboles fibers were found woman who wove brake linings from chrysotile asbestos for 3 years