Oxygen deficiency.

  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. Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
  8. Air Quality - Underground Only
  9. Oxygen deficiency.

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§ 57.5015 Oxygen deficiency.

Air in all active workings shall contain at least 19.5 volume percent oxygen.


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