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Title 30

Displaying title 30, up to date as of 7/10/2026. Title 30 was last amended 6/29/2026.
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  1. Title 30 —Mineral Resources
  2. Chapter I —Mine Safety and Health Administration, Department of Labor
  3. Subchapter K —Metal and Nonmetal Mine Safety and Health
  4. Part 57 —Safety and Health Standards—Underground Metal and Nonmetal Mines
  5. Subpart E   View Full Text
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eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 30Mineral ResourcesPart / Section
Chapter IMine Safety and Health Administration, Department of Labor1 – 199
Subchapter KMetal and Nonmetal Mine Safety and Health56 – 58
Part 57Safety and Health Standards—Underground Metal and Nonmetal Mines57.1 – 57.23004
Subpart EExplosives57.6000 – 57.6960
§ 57.6000Definitions.
Storage—Surface and Underground57.6100 – 57.6102
§ 57.6100Separation of stored explosive material.
§ 57.6101Areas around explosive material storage facilities.
§ 57.6102Explosive material storage practices.
Storage—Surface Only57.6130 – 57.6133
§ 57.6130Explosive material storage facilities.
§ 57.6131Location of explosive material storage facilities.
§ 57.6132Magazine requirements.
§ 57.6133Powder chests.
Storage—Underground Only57.6160 – 57.6161
§ 57.6160Main facilities.
§ 57.6161Auxiliary facilities.
Transportation—Surface and Underground57.6200 – 57.6205
§ 57.6200Delivery to storage or blast site areas.
§ 57.6201Separation of transported explosive material.
§ 57.6202Vehicles.
§ 57.6203Locomotives.
§ 57.6204Hoists.
§ 57.6205Conveying explosives by hand.
Use—Surface and Underground57.6300 – 57.6312
§ 57.6300Control of blasting operations.
§ 57.6301Blasthole obstruction check.
§ 57.6302Separation of explosive material.
§ 57.6303Initiation preparation.
§ 57.6304Primer protection.
§ 57.6305Unused explosive material.
§ 57.6306Loading, blasting, and security.
§ 57.6307Drill stem loading.
§ 57.6308Initiation systems.
§ 57.6309Fuel oil requirements for ANFO.
§ 57.6310Misfire waiting period.
§ 57.6311Handling of misfires.
§ 57.6312Secondary blasting.
Electric Blasting—Surface and Underground57.6400 – 57.6407
§ 57.6400Compatibility of electric detonators.
§ 57.6401Shunting.
§ 57.6402Deenergized circuits near detonators.
§ 57.6403Branch circuits.
§ 57.6404Separation of blasting circuits from power source.
§ 57.6405Firing devices.
§ 57.6406Duration of current flow.
§ 57.6407Circuit testing.
Nonelectric Blasting—Surface and Underground57.6500 – 57.6502
§ 57.6500Damaged initiating material.
§ 57.6501Nonelectric initiation systems.
§ 57.6502Safety fuse.
Extraneous Electricity—Surface and Underground57.6600 – 57.6605
§ 57.6600Loading practices.
§ 57.6601Grounding.
§ 57.6602Static electricity dissipation during loading.
§ 57.6603Air gap.
§ 57.6604Precautions during storms.
§ 57.6605Isolation of blasting circuits.
Equipment/Tools—Surface and Underground57.6700 – 57.6701
§ 57.6700Nonsparking tools.
§ 57.6701Tamping and loading pole requirements.
Maintenance—Surface and Underground57.6800 – 57.6803
§ 57.6800Storage facilities.
§ 57.6801Vehicle repair.
§ 57.6802Bulk delivery vehicles.
§ 57.6803Blasting lines.
General Requirements—Surface and Underground57.6900 – 57.6905
§ 57.6900Damaged or deteriorated explosive material.
§ 57.6901Black powder.
§ 57.6902Excessive temperatures.
§ 57.6903Burning explosive material.
§ 57.6904Smoking and open flames.
§ 57.6905Protection of explosive material.
General Requirements—Underground Only57.6960
§ 57.6960Mixing of explosive material.
eCFR Content