Rule underscores mine operators’ responsibility for conducting safety and health examinations ARLINGTON, Va., Dec. 22, 2010 /PRNewswire-USNewswire/ — The U.S. Department of Labor’s Mine Safety and Health Administration today announced a proposal to revise its requirements for pre-shift, supplemental, on-shift and weekly examinations. The proposed rule on Examinations of Work Areas in Underground Coal Mines… [Read more]