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Vinyl fluoride, industrial hygiene survey report, E.I. du Pont de Nemours and Co., Inc., Louisville, KY.
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, IWS 51-12, 1977 Oct; :1-15
Worker exposure to vinyl-fluoride (75025) and difluoroethane (75376) was determined at E. I. du Pont de Nemours and Co., Inc. in Louisville, Kentucky on May 31 and June 1, 1977. The study was conducted in accordance with Section 20 of the Occupational Safety and Health Act of 1970. The du Pont facility was primarily engaged in the manufacture of neoprene rubber and Freon (SIC-3341). About 25 operators, 10 foremen, and 4 supervisors were engaged in the production of vinyl-fluoride. One fulltime physician and an around the clock nursing staff worked at the facility. Medical examinations were administered annually or biannually for ages over or under 40, respectively. Medical records were maintained. No organized industrial hygiene program was operated. Personal air and area samples were collected. Samples were analyzed by gas chromatography. Operator time weighted average exposure concentrations were less than 2 parts per million vinyl-fluoride; exposures to difluoroethane were less than 3ppm. No threshold limit value or permissible concentration for vinyl-fluoride had been established, nor were such values mentioned for difluoroethane. The author suggests that the operational control procedures and resulting exposure concentrations at the facility are consistent with good practice and adequate for the prevention of adverse health effects.
NIOSH-Author; NIOSH-Survey; Field-Study; Region-4; Health-surveys; Rubber-industry; Worker-health; Industrial-hygiene; Air-sampling
Field Studies; Industry Wide
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division