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Vinyl fluoride, industrial hygiene survey report, E.I. du Pont de Nemours and Co., Inc., Louisville, KY.

Authors
Bales-R
Source
NIOSH 1977 Oct; :1-15
Link
NIOSHTIC No.
00113406
Abstract
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.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; IWS-51-12; Region-4; Health-surveys; Rubber-industry; Worker-health; Industrial-hygiene; Air-sampling
CAS No.
75-02-5; 75-37-6
Publication Date
19771001
Document Type
Industry Wide
Fiscal Year
1978
NTIS Accession No.
NTIS Price
Identifying No.
IWS-51-12
NIOSH Division
DFSCI
SIC Code
3341
Source Name
Division of Field Studies and Clinical Investigation, NIOSH, Cincinnati, Ohio, 15 pages, 6 references
State
KY; OH
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