30 CFR 57.7055 - Intersecting holes.

§ 57.7055 Intersecting holes.

Holes shall not be drilled where there is a danger of intersecting a misfired hole or a hole containing explosives, blasting agents, or detonators.

[ 56 FR 46517, Sept. 12, 1991; 56 FR 52193, Oct. 18, 1991]

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United States Code