['Specialized Industries']

['Mining']

07/19/2025

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§57.22604 Blasting from the surface (II-B mines).

...

§57.22604 Blasting from the surface (II-B mines).

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

All development, production, and bench rounds shall be initiated from the surface after all persons are out of the mine. Persons other than those designated by the mine operator to make methane tests shall not enter the mine until all blast areas have been tested for methane.

['Specialized Industries']

['Mining']

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