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Health hazard evaluation report: HETA-80-81-1173, Keokuk Steel Castings, Incorporated, Keokuk, Iowa.

Authors
Hartle-R; Slovin-D
Source
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 80-81-1173, 1982 Aug; :1-29
NIOSHTIC No.
00130026
Abstract
Health problems among workers at Keokuk Steel Castings (SIC-3321), Keokuk, Iowa were investigated. Survey was requested by the United Steelworkers of America. Environmental and medical studies were performed in March, 1981. A followup medical survey was conducted in March, 1982. Two personal breathing zone samples in the metal pouring area indicated exposure to carbon-monoxide (630080) (CO) at 58 and 94 milligrams per cubic meter (mg/m3). The NIOSH standard is 39mg/m3. Personal breathing zone samples for formaldehyde (50000) indicated exposures of 0.18 to 0.50mg/m3. NIOSH classifies formaldehyde as a potential carcinogen and recommends exposures be kept to a minimum. Exposures to respirable free silica (14808607) were 0.10 to 0.12mg/m3, in excess of the NIOSH standard of area who had worked there prior to the implementation of engineering controls indicated the frequent occurrence of hazy vision and respiratory irritation during earlier work experience. The authors conclude that a health hazard exists from overexposure to free silica and CO. Exposure to formaldehyde should be minimized. The authors suggest that earlier exposure to aliphatic amines caused complaints of hazy vision and respiratory problems.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; Hazards-Confirmed; Employee-exposure; Steelworkers; Carcinogens; Silica-dusts; HETA-80-81-1173; Region-7; NIOSH-Technical-Assistance-Report; Author Keywords: Foundries; Diphenylmethane diisocyanate; MDI; Dimethylethylamine; Carbon Monoxide; Formaldehyde; Trace Metals; Aromatic Amines; Free Silica; Ammonia; Hydrogen Cyanide; Pulmonary Function
CAS No.
630-08-0; 50-00-0; 14808-60-7
Publication Date
19820801
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1982
NTIS Accession No.
PB84-153790
NTIS Price
A03
Identifying No.
HETA-80-81-1173
NIOSH Division
DSHEFS
SIC Code
3321
Source Name
National Institute for Occupational Safety and Health
State
IA; OH
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