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U.S.P.H.S. Survey at Abex Corporation, American Brakeblok Division, Winchester, Virginia.
NIOSH 1972 Feb:3-3
Worker exposures to asbestos (1332214) were surveyed at the Abex Corporation, American Brakeblok Division (SIC-3714) in Winchester, Virginia, from February 7 to 11, 1972. The mean number of fibers greater than 5 microns per field (f/f) ranged from 0.30 to 3.75f/f. The mean concentration of fibers greater than 5 microns in length per milliliter (f/ml) ranged from 0.45 to 3.73f/ml. The difference between left and right paired samples in mean number of fibers greater than 5 microns per field ranged from 0 to 120 percent.
NIOSH-Author; NIOSH-Survey; Field-Study; IWS-32-25e; Region-3; Workplace-studies; Air-contamination; Air-quality; Air-sampling; Airborne-fibers; Analytical-methods;
NTIS Accession No.
NIOSH, Division of Field Studies and Clinical Investigations, Environmental Investigations Branch, Cincinnati, Ohio
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division