U.S. Labor Department's MSHA Makes New Emergency Mine Evacuation Rules Permanent

U.S. Labor Department's MSHA Makes New Emergency Mine Evacuation Rules Permanent: "The U.S. Department of Labor's Mine Safety and Health Administration (MSHA) today issued a final rule that requires mine operators to increase the availability of emergency breathing devices, provide improved training on the use of the devices, improve emergency evacuation and drill training, install lifelines for emergency evacuation, and require immediate notification of MSHA in the event of an accident."