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Regulations last checked for updates: May 30, 2026
Title 40 - Protection of Environment last revised: Aug 30, 2026
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Title 40
Chapter I
Part 501
Subpart A - Subpart A—Purpose, Scope and General Program Requirements
§ 501.1 - Purpose and scope.
§ 501.2 - Definitions.
§ 501.3 - Coordination with other programs.
authority:
33 U.S.C. 1251
source:
54 FR 18786, May 2, 1989, unless otherwise noted.
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