Regulations last checked for updates: May 19, 2024

Title 30 - Mineral Resources last revised: May 15, 2024
All TitlesTitle 30Chapter IPart 57Subpart E - Subpart E—Explosives
View all text of Subpart E [§ 57.6000 - § 57.6960]
§ 57.6603 - Air gap.

At least a 15-foot air gap shall be provided between the blasting circuit and the electric power source.

authority: 30 U.S.C. 811.
source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.
cite as: 30 CFR 57.6603
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