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Regulations last checked for updates: Jun 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
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Title 40
Chapter I
Part 1031
Subpart A - Subpart A—Scope and Applicability
§ 1031.1 - Applicability.
§ 1031.5 - Engines installed on domestic and foreign aircraft.
§ 1031.10 - State standards and controls.
§ 1031.15 - Exemptions.
§ 1031.20 - Exceptions.
authority:
42 U.S.C. 7401-7671q.
source:
87 FR 72351, Nov. 23, 2022, unless otherwise noted.
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