Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
All TitlesTitle 40Chapter IPart 1054Subpart F - Subpart F—Test Procedures
View all text of Subpart F [§ 1054.501 - § 1054.520]
§ 1054.520 - What testing must I perform to establish deterioration factors?

Sections 1054.240 and 1054.245 describe the required methods for testing to establish deterioration factors for an emission family.

authority: 42 U.S.C. 7401-7671q.
source: 73 FR 59259, Oct. 8, 2008, unless otherwise noted.
cite as: 40 CFR 1054.520
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