Regulations last checked for updates: May 19, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 52.56 - Control strategy: Ozone.

(a) The state implementation plan (SIP) revision submitted on June 21, 2022, addressing Clean Air Act section 110(a)(2)(D)(i)(I) (prongs 1 and 2) for the 2015 ozone national ambient air quality standards (NAAQS) is disapproved.

(b) [Reserved]

[88 FR 9381, Feb. 13, 2023]
authority: 42 U.S.C. 7401
cite as: 40 CFR 52.56