Document xz8jX7g1NbZ2xQjKpR6LN49ZJ

7/9/74 Polio Mortality among Vinyl Chloride V. orkers. Richard R. Monson, M. D., Harvard School of Public Health A proportional mortality analysis of 161 deaths among workers in two plants is reported. Of the.-. deaths 135 occurred among men who worked in a plan;, in which polyvinyl chloride is produced. The remainder worked in a plant whore vinyl chlorice monomer is produced. Observed numbers of deaths were tabulated and expected numbers were calculated on the basis of proportional mortality ratios for H.S. white males, specific for age and time. There were 41 deaths due to cancer observed, with 27. 9 expected. For specific cancers observed (expected) numbers of deaths were as follows- liver and biliary tract - 8 (0.8), lung- 13(7.9), brain - 5(1.2). Also, there were 10 suicides observed and 5.3 expected. pox: BFG23188 22930001