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Regulations last checked for updates: Oct 30, 2025
Title 40 - Protection of Environment last revised: Sep 30, 2029
All Titles
Title 40
Chapter I
Part 117
Subpart A - Subpart A—General Provisions
§ 117.1 - Definitions.
§ 117.2 - Abbreviations.
§ 117.3 - Determination of reportable quantities.
authority:
33 U.S.C. 1251
source:
44 FR 50776, Aug. 29, 1979, unless otherwise noted.
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