['Specialized Industries']

['Mining']

07/19/2025

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§56.6303 Initiation preparation.

...

§56.6303 Initiation preparation.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

(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.

['Specialized Industries']

['Mining']

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