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Regulations last checked for updates: Apr 30, 2026
Title 40 - Protection of Environment last revised: Aug 30, 2026
All Titles
Title 40
Chapter I
Part 121
Subpart C - Subpart C—Certification by the Administrator
§ 121.16 - When the Administrator certifies.
§ 121.17 - Public notice and hearing.
authority:
33 U.S.C. 1251
source:
88 FR 66661, Sept. 27, 2023, unless otherwise noted.
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