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Health-hazard-evaluation determination report HHE 77-20-411, Inland Steel Corporation, East Chicago, Indiana

Technical Report ·
OSTI ID:6926836
A health-hazard evaluation was carried out at the slab yard of Inland Steel Corporation, East Chicago, Indiana. Samples of breathing-zone air and area air were analyzed for respirable crystalline silica and total respirable particulate matter. Measurements were also taken of sulfur dioxide and metallic fumes and dusts. Total respirable particulates were below the recommended limits and no detectable quantities of quartz or cristobalite were found. Airborne breathing-zone concentrations of iron-oxide ranged from 0.1 to 1.6mg/m/sup 3/; of lead from 0.003 to 0.006mg/m/sup 3/; of manganese, 0.003 to 0.012mg/m/sup 3/; and of copper, (0.002 to 0.007mg/m/sup 3/). Concentrations of carbon-monoxide ranged from 7.0 to 10.0 parts per million (ppm); sulfur dioxide, 0.5 to 10.0ppm; and nitrogen dioxide, not detectable to 0.50ppm. Symptoms among the workers included cough, expectoration of dust daily, sinus difficulty, and dry mouth. Recommendations were offered concerning medical examinations and testing, respirator use, monitoring of sulfur dioxide levels in crane cabs, installation of louvers along the south wall of the slab yard, monitoring of high carbon steel slab production, and monitoring of number 6 crude oil for benzene.
Research Organization:
National Inst. for Occupational Safety and Health, Cincinnati, OH (USA)
OSTI ID:
6926836
Report Number(s):
PB-88-221270/XAB; HHE-77-20-411
Country of Publication:
United States
Language:
English