Tags: existing MSHA standard requires mine operators to maintain at least 80 percent total incombustible content of combined dusts in return air courses

MSHA to publish emergency temporary standard for rock dust

Sep 22, 2010

On Sept. 23, the Federal Register is expected to publish an emergency temporary standard (ETS) that revises the existing federal standard on maintenance of incombustible content of rock dust, according to the U.S. Department of Labor's Mine Safety and Health ...

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