['Specialized Industries']

['Mining']

07/19/2025

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§57.22602 Blasting from the surface (I-C mines).

...

§57.22602 Blasting from the surface (I-C mines).

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

(a) All blasting shall be initiated from the surface after all persons are out of the mine and any connecting mines.

(b) Persons shall not enter the mine until a competent person has examined the blast sites and methane concentrations are less than 0.5 percent.

['Specialized Industries']

['Mining']

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