Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 76-60-398, 1977 Jun; :1-54
A Health Hazard Evaluation investigation was conducted by NIOSH at the Hayes-Albion Corporation, Wolvering Plastics Division , Milan, Michigan, on May 5-7 and August 29 to September 2, 1976, acting on a request from an authorized employee representative regarding exposure of workers to organic solvents, isocyanates, and thermal degradation products from injection molding of thermoplastics(SIC- 3079). The request stated that some of the about 200 affected employees were developing nodes on their vocal cords, that there were a number of unexplained blood clots, and suggestion of tumors. Results of environmental sampling indicate that employees were not exposed to airborne contaminants at toxic concentrations during the survey. Medical evaluation showed no basis for relating the cases of thrombophlebitis and vocal cord nodules to chemical exposures. The evaluation did reveal possible problems with contact dermatitis from organic solvents, plastics, and jewelry. Other problems mentioned during employee interviews include breathing difficulties from isocyanate paints used in the past, and an obscure labyrinthine disorder possible associated to ultrasonic welding exposures. Recommendations are made for improved work practices.
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