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Only authorized and qualified persons shall be permitted to handle and use explosives. 1926.900(a)

Explosives and related materials shall be stored in approved facilities required under the applicable provisions of the Bureau of Alcohol, Tobacco and Firearms regulations contained in 27 CFR Part 55, Commerce in Explosives. (See Subpart K.) 1926.904(a)

Smoking and open flames shall not be permitted within 50 feet (15.2 meters) of explosives and detonator storage magazines. 1926.904(c)

Procedures that permit safe and efficient loading shall be established before loading is started. 1926.905(a)