Published on: 2023-14199. Proposed rule; request for comments; notice of public hearings. 2023-14199. Lowering Miners' Exposure to Respirable Crystalline Silica and Improving Respiratory Protection
Published on: 2012-8328. Final rule. 2012-8328. Examinations of Work Areas in Underground Coal Mines for Violations of Mandatory Health or Safety Standards
Published on: 2011-22125. Proposed rule; notice of public hearings. 2011-22125. Proximity Detection Systems for Continuous Mining Machines in Underground Coal Mines