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Health hazard evaluation report: HETA-87-268-1900, Bestop, Inc., Longmont, Colorado.
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HETA 87-268-1900, 1988 May; :1-13
In response to a request from the management of Bestop, Inc. (SIC- 3714), Longmont, Colorado, an evaluation was made of possible hazardous conditions at this facility due to exposure to urethane polyester powder coating, painted on automotive metal accessory parts using an electrostatic spray application method. The painted metal parts were conveyed through a 375 to 395 degree-F curing oven. Finished metal accessories were conveyed to a packaging area. Painters spent half of their shifts doing the actual painting and the other half placing parts on the conveyor prior to painting or removing them from the conveyor and packaging them. Full shift personal breathing zone and area air samples indicated the range for nuisance dust to be 1.42 to 12.21mg/m3 and 0.09 to 1.27mg/m3, respectively. Airborne concentrations of caprolactam (105602) dust, caprolactam vapor, and isocyanates were all below existing criteria. The complaints and symptoms of the workers included eye irritation, skin irritation, and respiratory system difficulties, related to the excessive amounts of nuisance dust. The author concludes that at the time of the survey, there was a health hazard from exposure to nuisance dust. The author recommends specific measures be taken to reduce worker exposures to nuisance dust. Recommendations concern respiratory use, use of cooling air, possible heat stress, personal protective clothing, personal hygiene, equipment inspection, and medical surveillance.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-87-268-1900; Region-8; Hazard-Confirmed; Painting; Dust-control; Airborne-dusts; Dust-inhalation; Pulmonary-system-disorders; Author Keywords: Motor Vehicle Parts and Accessories; caprolactam; blocked isocyanates; isocyanates; nuisance dust
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: February 7, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division