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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Page 150
... roof , face , or rib . ( h ) Letter of certification means a for- mal document issued by MSHA stating that a methane - monitoring system or subassembly or component thereof : ( 1 ) Has met the requirements of this part , and ( 2 ) Is ...
... roof , face , or rib . ( h ) Letter of certification means a for- mal document issued by MSHA stating that a methane - monitoring system or subassembly or component thereof : ( 1 ) Has met the requirements of this part , and ( 2 ) Is ...
Page 179
... roof drilling , A hand - held , sinker - type drill with a piston diameter of 21⁄2 to 3 inches shall be used for down drilling and also for horizontal drilling , except that the drill shall be supported me- chanically . Compressed air ...
... roof drilling , A hand - held , sinker - type drill with a piston diameter of 21⁄2 to 3 inches shall be used for down drilling and also for horizontal drilling , except that the drill shall be supported me- chanically . Compressed air ...
Page 224
... Roof or ground control and ventila- tion plans . The course shall include an introduction to and instruction on the roof or ground control plan in effect at the mine and procedures for roof and rib or ground control ; and an introduc ...
... Roof or ground control and ventila- tion plans . The course shall include an introduction to and instruction on the roof or ground control plan in effect at the mine and procedures for roof and rib or ground control ; and an introduc ...
Page 225
... Roof or ground control and ventila- tion plans . The course shall include an introduction to and instruction on the roof or ground control plan in effect at the mine and procedures for roof and rib or ground control ; and an introduc ...
... Roof or ground control and ventila- tion plans . The course shall include an introduction to and instruction on the roof or ground control plan in effect at the mine and procedures for roof and rib or ground control ; and an introduc ...
Page 226
... roof and ground control machine operators , and those in blasting operations shall not perform new work tasks in these categories until training prescribed in this paragraph and paragraph ( b ) of this section has been completed . This ...
... roof and ground control machine operators , and those in blasting operations shall not perform new work tasks in these categories until training prescribed in this paragraph and paragraph ( b ) of this section has been completed . This ...
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Common terms and phrases
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