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 D - Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter
  7. Subject Group - Radiation—Underground Only
  8. 30 CFR § 57.5045
30 CFR § 57.5045
Posting of inactive workings
May 28, 2026
CFR

§ 57.5045 Posting of inactive workings.

Inactive workings in which radon daughter concentrations are above 1.0 WL, shall be posted against unauthorized entry and designated by signs indicating them as areas in which approved respirators shall be worn.

Previous
§ 57.5044 Respirators
Next
§ 57.5046 Protection against radon gas

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