The provisions of 30 CFR 77.1909-1 (relating to use of nonpermissible explosives and nonpermissible shot-firing units; approval by Health and Safety District Manager) are incorporated by reference.
25 Pa. Code § 208.405
The provisions of this § 208.405 issued under sections 106 and 106.1 of the Bituminous Coal Mine Safety Act (52 P.S. §§ 690-106 and 690-106.1).