['Specialized Industries']

['Mining']

07/19/2025

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§57.22104 Open flames (I-C mines).

...

§57.22104 Open flames (I-C mines).

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

(a) Open flames, including cutting and welding, shall not be used underground.

(b) Welding and cutting shall not be done within 50 feet of a mine opening unless all persons are out of the mine and the mine opening is covered. The cover shall be a substantial material, such as metal or wood, topped with a layer of wetted material to prevent sparks and flames from entering the mine opening.

['Specialized Industries']

['Mining']

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