§56.6310. Misfire waiting period.

30 C.F.R. § 56.6310

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.

Notes, amendments, and revision history

[61 FR 36795, July 12, 1996, as amended at 85 FR 2027, Jan. 14, 2020]

Source: 61 FR 36795, July 12, 1996, unless otherwise noted.

Authority: 30 U.S.C. 811.

Source: 50 FR 4054, Jan. 29, 1985, unless otherwise noted.

[61 FR 36795, July 12, 1996, as amended at 85 FR 2027, Jan. 14, 2020]