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. Topic - Rotary Jet Piercing—Surface Only
  8. 30 CFR § 57.7807
30 CFR § 57.7807
Flushing the combustion chamber
July 29, 2020
CFR

The combustion chamber of a jet drill stem which has been sitting unoperated in a drill hole shall be flushed with a suitable solvent after the stem is pulled up.

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§ 57.7806 Oxygen intake coupling

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