Underground Only

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Metal and Nonmetal Mine Safety and Health
  6. Safety and Health Standards - Underground Metal and Nonmetal Mines
  7. Ventilation
  8. Underground Only

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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.