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Regulations last checked for updates: Aug 26, 2025
Title 40 - Protection of Environment last revised: Nov 26, 2025
All Titles
Title 40
Chapter I
Part 124
Subpart C - Subpart C—Specific Procedures Applicable to PSD Permits
§ 124.41 - Definitions applicable to PSD permits.
§ 124.42 - Additional procedures for PSD permits affecting Class I areas.
authority:
Resource Conservation and Recovery Act,
42 U.S.C. 6901
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