30 C.F.R. § 57.6310 Misfire waiting period.
Title 30 - Mineral Resources
When a misfire is suspected, persons shall not enter the blast area— (a) For 30 minutes if safety fuse and blasting caps are used; or (b) For 15 minutes if any other type detonators are used.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart E—Explosives
Transportation—Surface and Underground
§ 57.6310 Misfire waiting period.
