StacksVerified U.S. regulatory reference

40 CFR Part 97, Appendix A

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

1. The following States have State Implementation Plan revisions under § 51.123(ee)(3) of this chapter approved by the Administrator and establishing procedures providing for CAIR NOX Ozone Season opt-in units under subpart IIII of this part and allocation of CAIR NOX Ozone Season allowances to such units under § 97.388(b):

2. The following States have State Implementation Plan revisions under § 51.123(ee)(3) of this chapter approved by the Administrator and establishing procedures providing for CAIR NOX Ozone Season opt-in units under subpart IIII of this part and allocation of CAIR NOX Ozone Season allowances to such units under § 97.388(c):

[65 FR 2727, Jan. 18, 2000, as amended at 72 FR 46394, Aug. 20, 2007; 72 FR 56920, Oct. 5, 2007; 72 FR 57215, Oct. 9, 2007; 72 FR 59487, Oct. 22, 2007; 72 FR 72263, Dec. 20, 2007; 73 FR 6041, Feb. 1, 2008]