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Respirable dust control in coal preparation.
Min Eng 1988 Dec; 40(12):1111-1114
In response to a request from the Mine Safety and Health Administration, the Bureau of Mines completed a respirable dust survey of 18 U.S. coal preparation plants. Of these, three were essentially free of dust problems. Respirable dust exposure of workers in the remaining plants depended on the time spent in the dusty areas. In five of the plants surveyed, Bureau tests showed that in some areas worker exposures could exceed federal dust limits in less than 2 h. Cooperative studies were arranged with coal preparation plants using three diffeent dust control techniques. These included a standard baghouse-type dust collector, two types of scrubbers, and an electrostatic precipitator. Results of these evaluations are presented. Various types of ventilation systems used during summer and winter conditions were also evaluated. Results showed that appropriate ventilation can provide a highly cost-effective method for controlling coal preparation plant dust.
OP; Journal Article
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Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division