---
kind: "section"
citation: "30 C.F.R. § 56.6303"
title: "30"
number: "56.6303"
heading: "Initiation preparation."
url: "https://uscodex.org/cfr/30/56.6303"
---

# §56.6303. Initiation preparation.

- (a) Primers shall be made up only at the time of use and as close to the blast site as conditions allow.
- (b) Primers shall be prepared with the detonator contained securely and completely within the explosive or contained securely and appropriately for its design in the tunnel or cap well.
- (c) When using detonating cord to initiate another explosive, a connection shall be prepared with the detonating cord threaded through, attached securely to, or otherwise in contact with the explosive.

## Notes

### Source

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

### Authority

Authority: 30 U.S.C. 811.

### Source

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