30 CFR Part 57 - Subpart G - Ventilation
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Surface and Underground (§§ 57.8518 - 57.8519)
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Underground Only (§§ 57.8520 - 57.8535)
- § 57.8520 Ventilation plan.
- § 57.8525 Main fan maintenance.
- § 57.8527 Oxygen-deficiency testing.
- § 57.8528 Unventilated areas.
- § 57.8529 Auxiliary fan systems.
- § 57.8531 Construction and maintenance of ventilation doors.
- § 57.8532 Opening and closing ventilation doors.
- § 57.8534 Shutdown or failure of auxiliary fans.
- § 57.8535 Seals.