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HHE determination report no. HHE-74-9-174, Wheeling Pittsburgh Steel Company, Steubenville, Ohio.

Authors
Rosensteel-RE
Source
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 74-9-174, 1975 Feb; :1-10
NIOSHTIC No.
00049981
Abstract
Examination of the working condition at a steel mill (SIC-3325) revealed that dust containing free silica (7631869) is potentially toxic to blast furnace workers and to personnel working in the stockhouse area. This determination is based upon air concentration levels of total dust containing free silica up to four times the Federal Standard for blast furnace workers and up to twenty eight times the Federal Standard for larry car operators in the stockhouse as well as criteria concerning the toxic effects of free silica. It has also been determined that potentially toxic exposures did not exist on the day of evaluation to the crane operator in the stripper building from exposure to iron-oxide (1317619) fume, carbon-monoxide (630080), and free silica or to maintenance workers in the 44 inch soaking pit area from exposure to sulfur-dioxide (7446095) and carbon-monoxide. Detectable levels of carbon-monoxide, sulfur- dioxide, and iron-oxide fume were not measured while the free silica level was less than 0.4 of the Federal Standard.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HHE-74-9-174; Region-5; Hazard-Confirmed; Air-quality-measurement; Dust-sampling; Dust-analysis; Silica-dusts; Dust-control; Primary-metallurgical-processes; Exposure-limits; Toxic-gases; Air-contamination; Toxicology; Steelmaking; Legislation; Author Keywords: dust; silica; blast furnace; stockhouse; iron oxide; carbon monoxide; CO; sulfur dioxide; SO2
CAS No.
7631-86-9; 1317-61-9; 630-08-0; 7446-09-5
Publication Date
19750201
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1975
NTIS Accession No.
PB-273836
NTIS Price
A02
Identifying No.
HHE-74-9-174
NIOSH Division
DSHEFS
SIC Code
3325
Source Name
National Institute for Occupational Safety and Health
State
OH
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