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Coal Workers Ords

Coal Workers Ords

In 1969, the US Congress passed the Federal Coal Mine Health and Safety Act Coal Act to prevent death and serious physical harm, and to prevent occupational disease caused by work in the nations coal mines. 1 Since 1972, the permissible exposure limit PEL for respirable coal mine dust has been 2 mgm 3.

Environmental Protection and Intelligence Our main products include crushing equipment, sand making equipment, mineral processing equipment, grinding equipment and building materials equipment.

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