"Industry, Regulators Ignored Coal-Dust Meters"
For years, mine safety experts urged the Mine Safety and Health Administration to require coal-dust monitors in mines. Mining companies and MSHA resisted. Now Massey Energy Co. is using the lack of such monitors as an argument to deny charges that it did not do enough to control the buildup of explosive coal dust at its Upper Big Branch Mine, where 29 workers died in a massive blast on April 5.