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Exposure to silica dust among street-sweeper operators.

Authors
NIOSH
Source
Appl Occup Environ Hyg 1993 Jan; 8(1):13-14
NIOSHTIC No.
00212834
Abstract
The levels of exposure of street sweeper operators to silica (14808607) and asbestos (1332214) were investigated. Sweepers were selected randomly from several municipalities. Air samples were collected inside the sweeper cabs during summer and winter. During the summer, respirable dust concentrations ranged from the limit of detection to 0.4mg/m3. Quartz concentrations ranged from the limit to 0.05mg/m3. Respirable dust concentrations in the winter sampling ranged as high as 27mg/m3 with quartz concentrations from the limit to 0.2 mg/m3. Dust loading on the filters prevented determination of asbestos concentrations in samples collected during the winter. The study indicated that exposures increased in the winter time and that some sweepers were exposed to significant quantities of airborne silica after sanding operations.
Keywords
NIOSH-Author; Dust-exposure; Airborne-particles; Silica-dusts; Asbestos-fibers; Dust-sampling; Dust-analysis; Occupational-exposure
CODEN
AOEHE9
CAS No.
14808-60-7; 1332-21-4
Publication Date
19930101
Document Type
Journal Article
Editors
Tharr-D
Fiscal Year
1993
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1047-322X
Source Name
Applied Occupational and Environmental Hygiene
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