30 CFR 57.6604 - Precautions during storms.
During the approach and progress of an electrical storm -
(a) Surface blasting operations shall be suspended and persons withdrawn from the blast area or to a safe location; or
(b) Underground electrical blasting operations that are capable of being initiated by lightning shall be suspended and all persons withdrawn from the blast area or to a safe location.
Title 30 published on 2015-07-01
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 30 CFR Part 57 after this date.