MSHA - Code of Federal Regulations - 30 CFR 56.6604
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MSHA - Title 30 CFR
30 CFR § 56.6604
Precautions during storms.


During the approach and progress of an electrical storm, blasting operations shall be suspended and persons withdrawn from the blast area or to a safe location.


[58 FR 69596, Dec. 30, 1993]