PocketLaw | CFR 30 | Ventilation

Ventilation

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Scope.

Definitions.

Main mine fans.

Installation of main mine fans.

Main mine fan operation.

Main mine fan examinations and records.

Main mine fan stoppage with persons underground.

Air quality detectors and measurement devices.

Air quality.

Harmful quantities of noxious gases.

Actions for excessive methane.

Intentional changes in the ventilation system.

Air quantity.

Mean entry air velocity.

Air courses and trolley haulage systems.

Face ventilation control devices.

Auxiliary fans and tubing.

Working sections and working places.

Ventilation controls.

Worked-out areas and areas where pillars are being recovered.

Seal strengths, design applications, and installation.

Sampling and monitoring requirements.

Construction and repair of seals.

Training.

Seals records.

Underground electrical installations.

Direct-fired intake air heaters.

Methane monitors.

Underground shops.

Compressors.

Belt air course ventilation.

Atmospheric monitoring systems.

Actions in response to AMS malfunction, alert, or alarm signals.

Preshift examination at fixed intervals.

Supplemental examination.

On-shift examination.

Hazardous conditions and violations of mandatory health or safety standards; posting, correcting, and recording.

Weekly examination.

Mine ventilation plan; submission and approval.

Mine ventilation plan; contents.

Mine ventilation map.

Reopening mines.

Escapeways; bituminous and lignite mines.

Escapeways; anthracite mines.

Mechanical escape facilities.

Longwall and shortwall travelways.

Opening new mines.

Final mining of pillars.

Boreholes in advance of mining.

Mining into inaccessible areas.