{West Virginia}...West Virginia mines are required to contain rescue shelters that could help miners survive the toxic environment inside a mine after an underground explosion. Friday, West Virginia Miners Health, Safety and Training officials ordered emergency inspections of up to 500 rescue shelters in the state's underground coal mines. The order requires inspections by shelter manufacturers of all inflatable, tent design mine rescue chambers by October 31st. The order also requires mine operators to replace all brass valves and fittings associated with the units' compressed-oxygen cylinders within the next two years.
