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Washington Foundry Survey.
NIOSH 1971 May:18 pages
Results of the Washington Foundry Survey (SIC-3325) conducted in May 1971, are reported. Respirable dust counts in the various facilities varied from 0.5 to 8.5 milligrams per cubic meter (mg/cu m). The percentage of free silica (7631869) in settled dust varied from 0.2 to 31. Air concentrations of trace metals in milligrams per cubic meter are tabulated for manganese (7439965), zinc (7440666), chromium (7440473), nickel (7440020), lead (7439921), and iron-oxide (1309371).
NIOSH-Author; NIOSH-Survey; Field-Study; Steel-foundries; Region-10; Health-surveys; Workplace-studies; Air-contamination; Control-methods; Occupational-health-programs; Airborne-dusts; Mineral-dusts; IWS-40-15;
7631-86-9; 7439-96-5; 7440-66-6; 7440-47-3; 7440-02-0; 7439-92-1; 1309-37-1;
NTIS Accession No.
NIOSH, Division of Field Studies and Clinical Investigation, Environmental Investigations Branch, 18 pages
Page last reviewed: November 6, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division