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Regulations last checked for updates: May 16, 2025
Title 40 - Protection of Environment last revised: Nov 16, 2025
All Titles
Title 40
Chapter I
Part 135 - PART 135—PRIOR NOTICE OF CITIZEN SUITS
Subpart A [§ 135.1 - § 135.5] - Subpart A—Prior Notice Under the Clean Water Act
Subpart B [§ 135.10 - § 135.13] - Subpart B—Prior Notice Under the Safe Drinking Water Act
source:
38 FR 15040, June 7, 1973, unless otherwise noted.
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