Code of Federal Regulations · Section

§ 57.6310 — Misfire Waiting Period

30 C.F.R. § 57.6310

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When a misfire is suspected, persons shall not enter the blast area—

(a) For 30 minutes if safety fuse and blasting caps are used;

(b) For 15 minutes if any other type detonators are used; or

(c) For 30 minutes if electronic detonators are used, or for the manufacturer-recommended time, whichever is longer.

30 C.F.R. § 57.6309 30 C.F.R. § 57.6311

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