Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
All TitlesTitle 40Chapter IPart 1042Subpart E - Subpart E—In-use Testing
View all text of Subpart E [§ 1042.401 - § 1042.401]
§ 1042.401 - General Provisions.

We may perform in-use testing of any engine subject to the standards of this part.

authority: 42 U.S.C. 7401-7671q.
source: 73 FR 37243, June 30, 2008, unless otherwise noted.
cite as: 40 CFR 1042.401
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