Subpart G. Subpart G—Ventilation

• Surface and Underground

  • SECTION § 57.8518 - Main and booster fans.
  • SECTION § 57.8519 - Underground main fan controls.

• Underground Only

  • SECTION § 57.8520 - Ventilation plan.
  • SECTION § 57.8525 - Main fan maintenance.
  • SECTION § 57.8527 - Oxygen-deficiency testing.
  • SECTION § 57.8528 - Unventilated areas.
  • SECTION § 57.8529 - Auxiliary fan systems.
  • SECTION § 57.8531 - Construction and maintenance of ventilation doors.
  • SECTION § 57.8532 - Opening and closing ventilation doors.
  • SECTION § 57.8534 - Shutdown or failure of auxiliary fans.
  • SECTION § 57.8535 - Seals.