30 C.F.R. § 27.1 Purpose.
Title 30 - Mineral Resources
The regulations in this part set forth the requirements for methane-monitoring systems or components thereof to procure certification for their incorporation in or with permissible equipment that is used in gassy mines, tunnels, or other underground workings and procedures for applying for such certification. [31 FR 10607, Aug. 9, 1966, as amended at 52 FR 17515, May 8, 1987]
Title 30: Mineral Resources
PART 27—METHANE-MONITORING SYSTEMS
Subpart A—General Provisions
§ 27.1 Purpose.
