30 C.F.R. § 57.5002 Exposure monitoring.
Title 30 - Mineral Resources
Dust, gas, mist, and fume surveys shall be conducted as frequently as necessary to determine the adequacy of control measures.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart D—Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
Air Quality—Surface and Underground
§ 57.5002 Exposure monitoring.
