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Industrial hygiene assessment of seven brake servicing facilities - asbestos.

Authors
Johnson-P; Zumwalde-RD; Roberts-D
Source
NIOSH 1979 Jan; :1-41
Link
NIOSHTIC No.
20025285
Abstract
A major objective of the National Institute for Occupational Safety and Health (NIOSH) is to determine environmental exposures of working populations through research, surveys, and industrywide studies. Accordingly, NIOSH is presently conducting research to characterize dust exposure resulting from vehicle brake servicing operations. Of particular interest are the small diameter, potentially respirable asbestos fibers generated by these operations. Limited studies have suggested that such emissions may be associated with asbestos-induced diseases. An estimated workforce of 900,000 brake mechanics and garage workers in the U.S. are potentially exposed to asbestos. An estimated 118 million pounds of asbestos are used annually in the U.S. for the production of brake friction materials. In addition to asbestos, other materials which are used in the manufacture of brake linings such as lead, zinc, copper, and iron pose other potentials for exposures. Rohl and Langer identified thirty materials or compounds that make up the binders, fiber reinforcers, and the property modifiers as being present during brake lining manufacturing.
Keywords
Fibrous-dusts; Field-Study; Asbestos-dust; Asbestos-fibers; Automobile-repair-shops; Air-quality-monitoring; Air-sampling; Airborne-fibers; Metallic-dusts; Work-practices; Workplace-studies; Occupational-exposure; Industrial-ventilation; Lung-irritants; Control-methods; Trace-metals; Mechanics
CAS No.
7439-92-1; 7439-89-6; 7440-66-6; 7439-96-5; 7440-50-8; 7429-90-5; 1332-21-4
Publication Date
19790129
Document Type
Field Studies; Industry Wide
Fiscal Year
1979
NTIS Accession No.
PB2005-100060
NTIS Price
A04
Identifying No.
IWS-32-04
NIOSH Division
DSHEFS
SIC Code
7539
Source Name
National Institute for Occupational Safety and Health
State
OH
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