PENNSYLVANIA Underground Coal Mine Safety
PENNSYLVANIA . Underground Coal Mine Safety . 25 Pa. Code Chapter 208 (relating to Underground Coal Mine Safety) See 41 Pa. B. 5959 (Nov. 5, 2011) ... that if the Board believes there is a need for the AEDs to meet specific safety requirements to be used in a mine or that AEDs need to be protected from the elements present in a mine, it would
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