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NIOSH Testimony on Asbestos by R. Lemen, April 26, 1990.

Authors
NIOSH
Source
NIOSH 1990 Apr:6 pages
Link
NIOSHTIC No.
00195616
Abstract
This testimony concerns the position of NIOSH regarding the science and health effects caused by exposure to asbestos (1332214). Based on studies of workers exposed to asbestos before general governmental regulations were in place, it is known that asbestos causes specific diseases such as asbestosis and mesothelioma. Asbestos is one of the leading causes of lung cancer in nonsmokers. Asbestos exposure for smokers increases the risk of lung cancer approximately 55 times. Asbestos is also associated with an increased risk of gastrointestinal and other cancers. Chrysotile (12001295) is much more chemically and biologically reactive than amphibole fibers. There is no compelling evidence at this time to justify different public health policies for different asbestos fiber types. NIOSH reaffirmed its position that no distinction be made between the types of asbestos fibers with regard to regulatory purposes. The scientific evidence suggests that fiber shape and size are the most critical factors in the pathogenicity of the material.
Keywords
NIOSH-Author; NIOSH-Testimony; Lemen-R-A; Asbestos-dust; Asbestos-workers; Insulation-materials; Lung-disease; Cancer-rates; Mortality-data; Lung-disease; Mineral-dusts; Fibrous-dusts;
CAS No.
1332-21-4; 12001-29-5;
Publication Date
19900426
Document Type
Testimony;
Fiscal Year
1990
NTIS Accession No.
PB91-132852
NTIS Price
A02
Source Name
NIOSH, 6 pages
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