Industrial Hygiene Survey Report No. 71.32, Perchloroethylene, Roycourt Cleaners, Detroit, Michigan.
Worker exposures to perchloroethylene (127184) (PCE) were surveyed on May 15, 1979 at Roycourt Cleaners (SIC-7216) in Detroit, Michigan. The company employed seven workers. Personal, 5 minute peak, and 15 minute peak air samples were collected for PCE analysis. The average PCE exposure to the dry cleaners/spotter during 263 minutes of dry cleaning was 11 parts per million (ppm), and average exposures at the spotting station, marking station, and front counter were 3.7, 1.3, and 1.8ppm, respectively. The two 5 minute peak samples collected during garment transfer contained 10 to 13ppm of PCE, respectively, and the 15 minute peak sample contained 8.1ppm of PCE. The author concludes that PCE exposures are well within the OSHA 8 hour time weighted average limit of 100ppm, however all exposures should be kept as low as possible since the carcinogenicity of PCE has not been established. Recommendations are included for preplacement physical examinations, use of engineering controls and personal protective equipment, worker education on PCE hazards, and good housekeeping practices.
Division of Surveillance, Hazard Evaluations, and Field Studies, NIOSH, Cincinnati, Ohio, 8 pages, 7 references