['Specialized Industries']

['Mining']

07/19/2025

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§77.211-1 Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.

...

§77.211-1 Continuous methane monitoring device; installation and operation; automatic deenergization of electric equipment.

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

Continuous methane monitoring devices shall be set to deenergize automatically electric equipment when such monitor is not operating properly and to give a warning automatically when the concentration of methane reaches a maximum percentage determined by an authorized representative of the Secretary which shall not be more than 1.0 volume per centum of methane. An authorized representative of the Secretary shall require such monitor to deenergize automatically electric equipment when the concentration of methane reaches a maximum percentage determined by such representative which shall not be more than 2.0 volume per centum of methane.

['Specialized Industries']

['Mining']

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