The Office of Information and Regulatory Affairs and the Mine Safety and Health Administration href="http://www.whitehouse.gov/omb/oira/1219/meetings/434.html">have met with representatives from the National Stone, Sand and Gravel Association over an MSHA proposed rule governing asbestos. According to MSHA's href="http://frwebgate4.access.gpo.gov/cgi-bin/waisgate.cgi?WAISdocID=758892 5993+1+0+0&WAISaction=retrieve">Regulatory Plan, released in December, the agency is planning on reducing the permissible exposure level for asbestos in an upcoming rulemaking.