MSHA silica rule on hold ‘indefinitely,’ agency says
Photo: RiverRockPhotos/gettyimages Washington — The Mine Safety and Health Administration has delayed “indefinitely” the deadline for metal and nonmetal mine operators to comply with its final rule on miner exposure to respirable crystalline silica. Citing ongoing litigation challenging the rule, the agency on April 6 announced the latest postponement, which affects workers who mine metal, nonmetal, stone,