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. Topic - Radiation—Underground Only
  8. 30 CFR § 57.5038
30 CFR § 57.5038
Annual exposure limits
July 29, 2020
CFR

No person shall be permitted to receive an exposure in excess of 4 WLM in any calendar year.

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§ 57.5037 Radon daughter exposure monitoring
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§ 57.5039 Maximum permissible concentration

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