Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 1998 - Administrative law Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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amended at 60 amperes application approval plate battery belt blasting unit borehole brakes brattice certified person circuit circuit breakers clearance coal components conductors constructed conveyor detonating cord detonators device diesel District Manager drill electric conductors enclosure engine escapeway examination exceed exhaust conditioner exhaust gas explosion-proof explosive material feet flame arrester Flame test flame-arresting path flammable fuel ground hazard high-voltage hoist holes ignition inches inspection installed insulated intake intrinsically safe June 29 lamp least loading machine maintained maximum ment metal methane miners mines minimum mobile equipment MSHA Nonmetal operator paragraph percent portable pressure procedures protection proval requirements respirable dust roof rope safe Safety and Health safety fuse sample Secretary shaft sheathed explosive unit specified splice standard storage STUFFING BOX Subpart surface temperature tion trailing cables Triadelphia trolley underground ventilation voltage wires