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 T - Safety Standards for Methane in Metal and Nonmetal Mines
  7. 30 CFR § 57.22105
30 CFR § 57.22105
Smoking and open flames (IV mines)
May 28, 2026
CFR

§ 57.22105 Smoking and open flames (IV mines).

Smoking or open flames shall not be permitted in a face or raise, or during release of gas from a borehole until tests have been conducted in accordance with § 57.22226 and the methane level has been determined to be below 0.5 percent.

Previous
§ 57.22104 Open flames (I-C mines)
Next
§ 57.22106 Dust containing volatile matter (I-C mines)

Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.

Designed and built by Tekk Innovations LLC, the makers of the LawStack iPhone app or Android app.

© 2020 Tekk Innovations LLC