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Health hazard evaluation report: HETA-84-528-1764, Trocal Roofing Sites, Chicago, Illinois.
Zey JN; Almaguer D; Orris P
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 84-528-1764, 1986 Dec; :1-28
In response to a request from the United Union of Roofers, Waterproofers, and Allied Workers, an investigation was made of exposures of roofers at Trocal single ply system roofing sites (SIC- 1761) in Chicago, Illinois. Instantaneous and longer term personal air samples were collected at three sites, and analysis included gas and ion chromatography, mass spectrometry, flame ionization, and photoionization. Liquid bulk samples were also analyzed. Medical surveys (12 roofers) and neurobehavioral testing (three roofers) were administered. Airborne levels of tetrahydrofuran (109999) were 1.08 to 189 parts per million (ppm), below the American Conference of Governmental Industrial Hygienists' short term limit of 250ppm. No chlorine gas (7782505) and only traces of carbon-monoxide (630080) were detected in personal samples. Two samples showed hydrogen-chloride (7647010), at 3.7 and 0.68ppm, below the OSHA ceiling of 5ppm. Bulk samples showed tetrahydrofuran, toluene (108883), and methylene-chloride (75092) as major constituents; the latter is a cancer risk. Symptoms of eye irritation, tiredness, and respiratory irritation were reported by a substantial fraction of workers. No effect of an 8 hour shift on neurobehavioral tests was found. The authors conclude that a health hazard does not exist under the conditions studied. Recommendations include information and training on chemical hazards, availability of respirators, securing of ladders, and work practices aimed at minimizing exposure.
NIOSH-Author; HETA-84-528-1764; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; Region-5; Hazard-Unconfirmed; Roofing-industry; Vapors; Furans; Chlorine-compounds; Occupational-exposure; Clinical-symptoms; Air-sampling; Author Keywords: Roofing and Sheet Metal Work; Tetrahydrofuran; Hydrogen Chloride; Eye Irritation; Headache; Tiredness; Sinus Congestion
109-99-9; 7782-50-5; 630-08-0; 7647-01-0; 108-88-3; 75-09-2
Field Studies; Hazard Evaluation and Technical Assistance
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division