30 C.F.R. § 75.1107 Fire suppression devices.
Title 30 - Mineral Resources
[Statutory Provisions] On and after March 30, 1971, fire-suppression devices meeting specifications prescribed by the Secretary shall be installed on unattended underground equipment and suitable fire-resistant hydraulic fluids approved by the Secretary shall be used in the hydraulic systems of such equipment. Such fluids shall be used in the hydraulic systems of other underground equipment unless fire suppression devices meeting specifications prescribed by the Secretary are installed on such equipment.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart L—Fire Protection
Fire Suppression Devices and Fire-Resistant Hydraulic Fluids on Underground Equipment
§ 75.1107 Fire suppression devices.

