Mortality Experience of 50 Workers with Occupational Exposures to the Products of Coal Hydrogenation Processes

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A study was undertaken to determine the mortality experience of 50 workers diagnosed with either skin cancer or precancerous lesions. These workers were first diagnosed between 1955 and 1959 as part of a screening program for workers employed in a coal hydrogenation plant. Workers were traced and death certificates obtained for those who were deceased. Findings revealed that five of the workers had died from noncancerous causes, 16 had retired, 28 were still working, and one subject was lost to follow-up. Because of the limited scope of the study (it only included those workers with skin lesions) and the small sample size (50), no firm conclusions can be made, although it would appear that there is no increase of death due to systemic cancers.

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