1. LawStack
  2. Title 30 - Mineral Resources
  3. Chapter I - Mine Safety and Health Administration, Department of Labor
  4. Subchapter K - Metal and Nonmetal Mine Safety and Health
  5. Part 57 - Safety and Health Standards—Underground Metal and Nonmetal Mines
  6. Subpart F - Drilling and Rotary Jet Piercing
  7. Subject Group - Rotary Jet Piercing—Surface Only
  8. 30 CFR § 57.7806
30 CFR § 57.7806
Oxygen intake coupling
May 28, 2026
CFR

§ 57.7806 Oxygen intake coupling.

The oxygen intake coupling on jet piercing drills shall be constructed so that only the oxygen hose can be coupled to it.

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§ 57.7805 Smoking and open flames
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§ 57.7807 Flushing the combustion chamber

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