Regulations last checked for updates: Nov 22, 2024

Title 30 - Mineral Resources last revised: Nov 19, 2024
§ 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