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Regulations last checked for updates: Jul 03, 2025
Title 40 - Protection of Environment last revised: Nov 03, 2025
All Titles
Title 40
Chapter I
Part 139
Subpart E - Subpart E—Procedures for States to Request Changes to Standards, Regulations, or Policy Promulgated by the Administrator
§ 139.50 - Petition by a Governor for the Administrator to establish an emergency order or review a standard, regulation, or policy.
§ 139.51 - Petition by a Governor for the Administrator to establish enhanced Great Lakes System requirements.
§ 139.52 - Application by a State for the Administrator to establish a State no-discharge zone.
Appendix Appendix A - Appendix A to Part 139—Federally-Protected Waters
authority:
33 U.S.C. 1251
source:
89 FR 82131, Oct. 9, 2024, unless otherwise noted.
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