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Effect of Coal Mine Health and Safety Act of 1969 on Respirable Dust Concentrations in Selected Underground Coal Mines.

Authors
Jacobson-M; Parobeck-PS; Hughes-ME
Source
NTIS: PB 206 241 :9 pages
Link
NIOSHTIC No.
10009407
Abstract
The respirable dust standard in the Federal Coal Mine Health and Safety Act of 1969 is designed to prevent disability and death from coal workers' pneumoconiosis. Beginning June 30, 1970, the operators of coal mines were required to maintain the average concentration of respirable dust in the active workings at or below 3.0 Milligrams of dust per cubic meter of air. The standard is reduced to 2.0 Milligrams per cubic meter after Dec. 30, 1972. This paper presents the equipment and procedures used by the coal mine operators in implementing the respirable dust sampling program established by the Secretary of the Interior and the Secretary of Health, Education, and Welfare and shows the effect of the law, during the first year, on the reduction of dust levels in selected mines. The system employed by the Bureau of Mines for analyzing and processing the dust samples is also presented.
Publication Date
19710101
Document Type
IH; Information Circular;
Fiscal Year
1971
NTIS Accession No.
PB-206241
NTIS Price
A02
Identifying No.
IC 8536
NIOSH Division
DRC;
Source Name
NTIS: PB 206 241
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