October 12, 2012 United Mine Workers officials suspect the Obama administration doesn't want to move forward on the new rules during the presidential campaign. The federal mine safety chief says the process takes time.
August 17, 2012 The Government Accountability Office says that the Mine Safety and Health Administration (MSHA) used appropriate data and scientific methods in drafting new regulations aimed at limiting the amount of coal dust miners are exposed to at U.S. operations.
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