rock dust

21
Jun

MSHA Finalizes Rock Dust Rule

Submitted by jsharpe on Tue, 06/21/2011 - 11:32am

MSHA has issued a final rule that increases the amount of rock dust required in most accessible areas of underground bituminous coal mines.

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14
Oct

Instruction Issued on New Rock Dust Requirements

Submitted by jsharpe on Thu, 10/14/2010 - 10:44am

In the wake of MSHA’s emergency temporary standard (ETS) on incombustible coal dust, the Agency has posted a procedure instruction letter (PIL) for its inspectors on enforcing the new mandate.

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