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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 1045
Subpart F - Subpart F—Test Procedures
§ 1045.501 - How do I run a valid emission test?
§ 1045.505 - How do I test engines using discrete-mode or ramped-modal duty cycles?
§ 1045.515 - What are the test procedures related to not-to-exceed standards?
§ 1045.520 - What testing must I perform to establish deterioration factors?
authority:
42 U.S.C. 7401-7671q.
source:
73 FR 59194, Oct. 8, 2008, unless otherwise noted.
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