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Characterization of cleavage fragments and asbestiform amphibole particulates.

Authors
Campbell-WJ; Steel-EB; Virta-RL; Eisner-MH
Source
Dusts and Disease, Proceedings of the Conference on Occupational Exposures to Fibrous and Particulate Dust and their Extension into the Environment, Sponsored by the Society for Occupational and Environmental Health and U.S. Mine Safety and Health Administration; R. Lemen, and J. M. Dement, editors, Park Forest South, Illinois, Pathofox Publisher, Inc. 1979 Jan; :275-285
Link
NIOSHTIC No.
00096324
Abstract
Characteristics of cleavage fragments and fibers of tremolite (60649538) were compared. Fragments and ground fibers from blocky, acicular, fibrous and asbestos varieties of tremolite were examined. The different varieties of tremolite possessed varying physical characteristics, and cleavage fragments differed from fiber samples of the same material. The authors conclude that the aspect ratio of regulatory particles should be increased from 3:1 to at least 10:1. Fiber counting and reporting methods should include aspect ratios and minimum diameter measurements. The variety of tremolite should be specified and concentrations of other varieties present in the sample should be provided.
Keywords
Physical-properties; Measurement-methods; Fibrous-bodies; Airborne-particles; Dust-exposure; Particulate-dust; Particulate-sampling-methods; Air-sampling; Asbestos-dust
CAS No.
60649-53-8
Publication Date
19790101
Document Type
Conference/Symposia Proceedings
Editors
Lemen-R; Dement-JM
Fiscal Year
1979
NTIS Accession No.
NTIS Price
ISBN No.
0930376080
Source Name
Dusts and Disease, Proceedings of the Conference on Occupational Exposures to Fibrous and Particulate Dust and their Extension into the Environment, Sponsored by the Society for Occupational and Environmental Health and U.S. Mine Safety and Health Administration; R. Lemen, and J. M. Dement, editors, Park Forest South, Illinois, Pathofox Publisher, Inc.
State
NY; IL; OH
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