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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 17, 2025
All Titles
Title 40
Chapter I
Part 61
Subpart B - Subpart B—National Emission Standards for Radon Emissions From Underground Uranium Mines
§ 61.20 - Designation of facilities.
§ 61.21 - Definitions.
§ 61.22 - Standard.
§ 61.23 - Determining compliance.
§ 61.24 - Annual reporting requirements.
§ 61.25 - Recordkeeping requirements.
§ 61.26 - Exemption from the reporting and testing requirements of 40 CFR 61.10.
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