30 C.F.R. § 57.4161 Use of fire underground.
Title 30 - Mineral Resources
Fires shall not be lit underground, except for open-flame torches. Torches shall be attended at all times while lit.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart C—Fire Prevention and Control
Prohibitions/Precautions/Housekeeping
§ 57.4161 Use of fire underground.
