30 C.F.R. § 57.4100 Smoking and use of open flames.
Title 30 - Mineral Resources
No person shall smoke or use an open flame where flammable or combustible liquids, including greases, or flammable gases are— (a) Used or transported in a manner that could create a fire hazard; or (b) Stored or handled.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart C—Fire Prevention and Control
Prohibitions/Precautions/Housekeeping
§ 57.4100 Smoking and use of open flames.
