View all text of Subpart B [§ 52.49 - § 52.69]
§ 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]