Before a blast is fired, the person in charge shall first make certain that surplus explosives are in a safe place and that persons and vehicles are at a safe distance or under sufficient cover. Then the person in charge shall give a suitable warning signal.
Minn. R. agency 171, ch. 7500, STORAGE, TRANSPORTATION, AND USE OF EXPLOSIVES, pt. 7500.1600
Statutory Authority: MS s 299F.71 to 299F.83