The provisions of 30 CFR 77.211-1 (relating to continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment) are incorporated by reference.
25 Pa. Code § 208.125
The provisions of this §208.125 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P. S. §§ 690-106 and 690-106.1).