(a) With the exceptions set forth in this subpart, the Administrator approves Oklahoma's State Implementation Plan under section 110 of the Clean Air Act for the attainment and maintenance of the national standards.

(b) The EPA is disapproving the following severable portions of the February 6, 2012, Oklahoma SIP submittal:

(1) Revisions establishing Minor New Source Review Greenhouse Gas (GHG) permitting requirements at OAC 252:100-7-2.1 as submitted on February 6, 2012.

(2) [Reserved].

[81 FR 74922, Oct. 28, 2016, as amended at 85 FR 20185, Apr. 10, 2020]