U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 30Chapter IPart 56Subpart E - Subpart E—Explosives

STORAGE
§ 56.6100 - Separation of stored explosive material.
§ 56.6101 - Areas around explosive material storage facilities.
§ 56.6102 - Explosive material storage practices.
§ 56.6130 - Explosive material storage facilities.
§ 56.6131 - Location of explosive material storage facilities.
§ 56.6132 - Magazine requirements.
§ 56.6133 - Powder chests.
§ 56.6000 - Definitions.

TRANSPORTATION
§ 56.6200 - Delivery to storage or blast site areas.
§ 56.6201 - Separation of transported explosive material.
§ 56.6202 - Vehicles.
§ 56.6203 - Locomotives.
§ 56.6204 - Hoists.
§ 56.6205 - Conveying explosives by hand.

§ 56.6300 - Control of blasting operations.
§ 56.6301 - Blasthole obstruction check.
§ 56.6302 - Separation of explosive material.
§ 56.6303 - Initiation preparation.
§ 56.6304 - Primer protection.
§ 56.6305 - Unused explosive material.
§ 56.6306 - Loading, blasting, and security.
§ 56.6307 - Drill stem loading.
§ 56.6308 - Initiation systems.
§ 56.6309 - Fuel oil requirements for ANFO.
§ 56.6310 - Misfire waiting period.
§ 56.6311 - Handling of misfires.
§ 56.6312 - Secondary blasting.

ELECTRIC BLASTING
§ 56.6400 - Compatibility of electric detonators.
§ 56.6401 - Shunting.
§ 56.6402 - Deenergized circuits near detonators.
§ 56.6403 - Branch circuits.
§ 56.6404 - Separation of blasting circuits from power source.
§ 56.6405 - Firing devices.
§ 56.6406 - Duration of current flow.
§ 56.6407 - Circuit testing.

NONELECTRIC BLASTING
§ 56.6500 - Damaged initiating material.
§ 56.6501 - Nonelectric initiation systems.
§ 56.6502 - Safety fuse.

EXTRANEOUS ELECTRICITY
§ 56.6600 - Loading practices.
§ 56.6601 - Grounding.
§ 56.6602 - Static electricity dissipation during loading.
§ 56.6603 - Air gap.
§ 56.6604 - Precautions during storms.
§ 56.6605 - Isolation of blasting circuits.

EQUIPMENT/TOOLS
§ 56.6700 - Nonsparking tools.
§ 56.6701 - Tamping and loading pole requirements.

MAINTENANCE
§ 56.6800 - Storage facilities.
§ 56.6801 - Vehicle repair.
§ 56.6802 - Bulk delivery vehicles.
§ 56.6803 - Blasting lines.

GENERAL REQUIREMENTS
§ 56.6900 - Damaged or deteriorated explosive material.
§ 56.6901 - Black powder.
§ 56.6902 - Excessive temperatures.
§ 56.6903 - Burning explosive material.
§ 56.6904 - Smoking and open flames.
§ 56.6905 - Protection of explosive material.
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