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Health-hazard evaluation report HETA 83-156-1622, Leon Plastics, Grand Rapids, Michigan

Technical Report ·
OSTI ID:6155233

Environmental and breathing-zone samples were analyzed for azodicarbonamide, benzene, styrene, and toluene at Leon Plastics, Grand Rapid, Michigan in March and May 1983, and March 1984. The evaluation was requested to investigate occupational exposures to chemical agents, particularly in the injection molding department. Sixteen employees were interviewed. Azodicarbonamide concentrations ranged from undetectable to 280 micrograms per cubic meter (microg/m/sup 3/) in May 1983, and from undetectable to 752 microg/m/sup 3/ in March 1984. There is no federal standard for azodicarbonamide. The concentrations of the other substances were below their relevant standards. Ammonia, styrene, and triphenylphosphate were identified as pyrolysis products above the azodicarbonamide presses. Symptoms of eye, nose and throat irritation, coughing, and wheezing were reported. Pulmonary-function test results could not be linked to azodicarbonamide exposures. The authors conclude that exposure to azodicarbonamide is the probable cause of the reported symptoms. Recommendations include using engineering controls and appropriate work practices to minimize exposure to azodicarbonamide.

Research Organization:
National Inst. for Occupational Safety and Health, Cincinnati, OH (USA)
OSTI ID:
6155233
Report Number(s):
PB-89-143200/XAB; HETA-83-156-1622
Country of Publication:
United States
Language:
English