30 CFR 57.6310 - Misfire waiting period.

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Title 30: Mineral Resources

CHAPTER I: MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR

SUBCHAPTER K: METAL AND NONMETAL MINE SAFETY AND HEALTH

PART 57: SAFETY AND HEALTH STANDARDS-UNDERGROUND METAL AND NONMETAL MINES

Subpart E: Explosives

: Transportation-Surface and Underground

57.6310 - Misfire waiting period.

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.

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