30 C.F.R. § 75.507
Current through September 30, 2024
[Statutory Provisions]
Except where permissible power connection units are used, all power-connection points outby the last open crosscut shall be in intake air.
30 C.F.R. §75.507
[Statutory Provisions]
Except where permissible power connection units are used, all power-connection points outby the last open crosscut shall be in intake air.
30 C.F.R. §75.507