Mine Safety and Health Administration August 14, 2007 – Federal Register Recent Federal Regulation Documents

The Mine Safety and Health Administration (MSHA) is extending the comment period for the Emergency Temporary Standard (ETS) on sealing of abandoned areas of underground coal mines published on May 22, 2007 (72 FR 28796). This extension gives commenters additional time to review recently posted documents on MSHA's Web site and a recently published report from the National Institute for Occupational Safety and Health (NIOSH) entitled ``Explosion Pressure Design Criteria for New Seals in U.S. Coal Mines'' (NIOSH Publication No. 2007-144, July 2007).