2060-AW88 202510 The Regulatory Plan and the Unified Agenda of Federal Regulatory and Deregulatory Actions 2060 Office of Air and Radiation OAR 2000 Environmental Protection Agency EPA Interstate Transport Plan Review for the 2015 Ozone NAAQS – Phase 2

The EPA is revisiting previous actions proposing or finalizing the disapproval or partial disapproval of certain State Implementation Plans and finalizing Federal Implementation Plans (FIPs) addressing states' interstate transport obligations under the 2015 ozone National Ambient Air Quality Standards (NAAQS). This proposed rule is designed to comport with Kentucky v. EPA, 123 F.4th 447 (6th Cir. 2024) and Texas v. EPA, 132 F.4th 808 (5th Cir. 2025).

]]> Economically Significant Previously Published in The Unified Agenda Proposed Rule Stage Undetermined No Deregulatory 40 CFR 52 40 CFR 75 40 CFR 78 40 CFR 97 42. U.S.C. 7410 No NPRM 07/00/2026 Final Rule To Be Determined Docket #: EPA-HQ-OAR-2025-0192. No No Federal State No No No No Thomas Uher 2060 Office of Air and Radiation OAR 919 541-5534 uher.thomas@epa.gov 109 T.W. Alexander Drive, C545C, Research Triangle Park NC 27711 Gwyndolyn Sofka 2060 Office of Air and Radiation OAR 919 541-5121 sofka.gwyndolyn@epa.gov 109 TW Alexander Drive, Research Triangle Park NC 27709