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The history of mine safety and health legislation in the United States goes back more than a century. ... Mandatory safety standards for underground coal mines, ...
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Dust explosions are a frequent hazard in underground coal mines, ... In the coal mining industry, a methane explosion can initiate a coal dust explosion, ...
Surface mining is covered by the code of practice, Safety and health in opencast mines (1991). ... focuses on the production of coal from underground mines.
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The King County Sensitive Areas Ordinance (SAO) defines coal mine hazard areas as those areas directly underlain by or adjacent to or affected by abandoned coal mine ...
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