§ 52.172 - Approval status.

§ 52.172 Approval status.

Cross Reference

Link to an amendment published at 83 FR 38968, Aug. 8, 2018.

With the exceptions set forth in this subpart, the Administrator approves Arkansas's state implementation plan under section 110 of the Clean Air Act. Furthermore, the Administrator finds that the plan satisfies all applicable requirements of Parts C and D, Title I, of the Clean Air Act as amended in 1990, except as noted below.

(a) 1997 PM_2.5 NAAQS: The SIP submitted March 28, 2008 is disapproved for CAA element 110(a)(2)(D)(ii).

(b) 2006 PM_2.5 NAAQS: The SIPs submitted March 28, 2008 and September 16, 2009 are disapproved for CAA element 110(a)(2)(D)(ii).

(c) GHGs: The revisions to the Arkansas SIP definition of “CO₂ Equivalent Emissions” at Regulation 19, Chapter 2 to implement the GHG Biomass Deferral as submitted on November 6, 2012 are disapproved.

[81 FR 32241, May 23, 2016, as amended at 83 FR 38968, Aug. 8, 2018]