U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 30Chapter IPart 57Subpart E - Subpart E—Explosives

STORAGE—SURFACE AND UNDERGROUND
§ 57.6100 - Separation of stored explosive material.
§ 57.6101 - Areas around explosive material storage facilities.
§ 57.6102 - Explosive material storage practices.
§ 57.6000 - Definitions.

STORAGE—SURFACE ONLY
§ 57.6130 - Explosive material storage facilities.
§ 57.6131 - Location of explosive material storage facilities.
§ 57.6132 - Magazine requirements.
§ 57.6133 - Powder chests.

STORAGE—UNDERGROUND ONLY
§ 57.6160 - Main facilities.
§ 57.6161 - Auxiliary facilities.

TRANSPORTATION—SURFACE AND UNDERGROUND
§ 57.6200 - Delivery to storage or blast site areas.
§ 57.6201 - Separation of transported explosive material.
§ 57.6202 - Vehicles.
§ 57.6203 - Locomotives.
§ 57.6204 - Hoists.
§ 57.6205 - Conveying explosives by hand.

USE—SURFACE AND UNDERGROUND
§ 57.6300 - Control of blasting operations.
§ 57.6301 - Blasthole obstruction check.
§ 57.6302 - Separation of explosive material.
§ 57.6303 - Initiation preparation.
§ 57.6304 - Primer protection.
§ 57.6305 - Unused explosive material.
§ 57.6306 - Loading, blasting, and security.
§ 57.6307 - Drill stem loading.
§ 57.6308 - Initiation systems.
§ 57.6309 - Fuel oil requirements for ANFO.
§ 57.6310 - Misfire waiting period.
§ 57.6311 - Handling of misfires.
§ 57.6312 - Secondary blasting.

ELECTRIC BLASTING—SURFACE AND UNDERGROUND
§ 57.6400 - Compatibility of electric detonators.
§ 57.6401 - Shunting.
§ 57.6402 - Deenergized circuits near detonators.
§ 57.6403 - Branch circuits.
§ 57.6404 - Separation of blasting circuits from power source.
§ 57.6405 - Firing devices.
§ 57.6406 - Duration of current flow.
§ 57.6407 - Circuit testing.

NONELECTRIC BLASTING—SURFACE AND UNDERGROUND
§ 57.6500 - Damaged initiating material.
§ 57.6501 - Nonelectric initiation systems.
§ 57.6502 - Safety fuse.

EXTRANEOUS ELECTRICITY—SURFACE AND UNDERGROUND
§ 57.6600 - Loading practices.
§ 57.6601 - Grounding.
§ 57.6602 - Static electricity dissipation during loading.
§ 57.6603 - Air gap.
§ 57.6604 - Precautions during storms.
§ 57.6605 - Isolation of blasting circuits.

EQUIPMENT/TOOLS—SURFACE AND UNDERGROUND
§ 57.6700 - Nonsparking tools.
§ 57.6701 - Tamping and loading pole requirements.

MAINTENANCE—SURFACE AND UNDERGROUND
§ 57.6800 - Storage facilities.
§ 57.6801 - Vehicle repair.
§ 57.6802 - Bulk delivery vehicles.
§ 57.6803 - Blasting lines.

GENERAL REQUIREMENTS—SURFACE AND UNDERGROUND
§ 57.6900 - Damaged or deteriorated explosive material.
§ 57.6901 - Black powder.
§ 57.6902 - Excessive temperatures.
§ 57.6903 - Burning explosive material.
§ 57.6904 - Smoking and open flames.
§ 57.6905 - Protection of explosive material.

GENERAL REQUIREMENTS—UNDERGROUND ONLY
§ 57.6960 - Mixing of explosive material.
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