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HHE determination report no. HHE-79-112-636, Stearns-Roger Fabricators, Inc., Denver, Colorado.

Authors
Gunter-BJ; Watanabe-AS
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 79-112-636, 1979 Dec; :1-9
NIOSHTIC No.
00092898
Abstract
Personal and area air samples were analyzed for manganese (7439965) (Mn), iron-oxide-fume (1309371) (Fe), fluoride (7782414), nickel (7440020) (Ni), copper (7440508) (Cu), chromium-VI (Cr+6), and chrome (7440473), and workers were interviewed for exposure symptoms at Stearns-Roger Fabricators, Inc., (SIC-3441), in Denver, Colorado, on August 15 to 17 and September 24 and 25, 1979. Company management requested the evaluation on behalf of approximately 50 workers. Seven employees reported symptoms including runny or stuffy nose, headaches, shortness of breath, stomach pain, and fatigue, but most workers reported no health problems. Concentrations of Cr+6, Cu, Ni, and chrome were below OSHA standards of 0.5, 0.1, 1.0, and 1.0 milligrams per cubic meter (mg/m3), respectively. Mn and Fe were below the threshold limit value of 5.0 (ceiling) and 5.0mg/m3, respectively. One welder was exposed to fluoride concentrations above the OSHA limit of 2.5mg/m3. The investigators conclude that workers were not overexposed, due mostly to good work and hygiene habits. They recommend local exhaust ventilation and electrostatic precipitators, no eating or smoking in the work areas, and ventilation for welders who work with flux or welding rods containing fluoride.
Keywords
NIOSH-Author; HHE-79-112-636; NIOSH-Health-Hazard-Evaluation; Fabricated-metal-products; Hazard-Confirmed; Air-sampling; Air-contaminants; Toxic-substances; Chemical-exposure; Allergic-disorders; Region-8; Author Keywords: manganese; iron oxide; nickel; copper; chrome (metal); fluoride; welding; stainless steel
CAS No.
7439-96-5; 1309-37-1; 7782-41-4; 7440-02-0; 7440-50-8; 7440-47-3
Publication Date
19791201
Document Type
Field Studies; Health Hazard Evaluation
Fiscal Year
1980
NTIS Accession No.
PB80-167125
NTIS Price
A02
Identifying No.
HHE-79-112-636
NIOSH Division
DSHEFS
SIC Code
3441
Source Name
National Institute for Occupational Safety and Health
State
CO; OH
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