Section 52.2572 - Approval status(a) With the exceptions set forth in this subpart, the Administrator approves Wisconsin's plans for the attainment and maintenance of the National Ambient Air Quality Standards under section 110 of the Clean Air Act. Furthermore, the Administrator finds the plans satisfy all requirements of Part D, Title I, of the Clean Air Act as amended in 1977, except as noted below. In addition, continued satisfaction of the requirements of Part D for the Ozone portion of the State Implementation Plan depends on the adoption and submittal of RACT requirements on: (1) Group III Control Techniques Guideline sources within 1 year after January 1st following the issuance of each Group III control technique guideline; and(2) Major (actual emissions equal or greater than 100 tons VOC per year) non-control technique guideline sources in accordance with the State's schedule contained in the 1982 Ozone SIP revision for Southeastern Wisconsin. 75 FR 82563 , Dec. 30, 2010, as amended at 78 FR 30209 , May 22, 2013; 86 FR 15420 , Mar. 23, 2021; 86 FR 58579 , Oct. 22, 2021 86 FR 15420 , 4/22/2021; 86 FR 58579 , 12/31/2021