by Federal regulation capping toxic airborne silica has been decades in the making. The delay has cost miners dearly.Federal regulation capping toxic airborne silica has been decades in the making. The delay has cost miners dearly.Read MoreMines and Mining, Regulation and Deregulation of Industry, Workplace Hazards and Violations, Black Lung Disease, Silica, Coal, Mine Safety and Health Administration, Hazardous and Toxic SubstancesNYT > Health
