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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 61
Subpart W - Subpart W—National Emission Standards for Radon Emissions From Operating Mill Tailings
§ 61.250 - Designation of facilities.
§ 61.251 - Definitions.
§ 61.252 - Standard.
§ 61.253 - Determining compliance.
§ 61.254 - Annual reporting requirements.
§ 61.255 - Recordkeeping requirements.
§ 61.256 - Exemption from the reporting and testing requirements of 40 CFR 61.10.
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