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Regulations last checked for updates: Apr 30, 2025
Title 40 - Protection of Environment last revised: Nov 30, 2025
All Titles
Title 40
Chapter I
Part 61
Subpart T - Subpart T—National Emission Standards for Radon Emissions From the Disposal of Uranium Mill Tailings
§ 61.220 - Designation of facilities.
§ 61.221 - Definitions.
§ 61.222 - Standard.
§ 61.223 - Compliance procedures.
§ 61.224 - Recordkeeping requirements.
§ 61.225 - Exemption from the reporting and testing requirements of 40 CFR 61.10.
§ 61.226 - Reconsideration of rescission and reinstatement of this subpart.
authority:
42 U.S.C. 7401
source:
38 FR 8826, Apr. 6, 1973, unless otherwise noted.
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