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EPA/OAR RIN: 2060-AW81 Publication ID: 2026 
Title: Ozone Reclassification State Implementation Plan Rule 
Abstract:

This action is a reconsideration of the State Implementation Plan Submittal Deadlines and Implementation Requirements for Reclassified Nonattainment Areas Under the Ozone National Ambient Air Quality Standards rule (90 FR 5651, Jan. 17, 2025). That final rule established default State Implementation Plan (SIP) submittal deadlines and implementation deadlines following ozone nonattainment area reclassification. The rule also codified a policy regarding which lower classification requirements remain once an area is reclassified.

 
Agency: Environmental Protection Agency(EPA)  Priority: Other Significant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Proposed Rule Stage 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Deregulatory 
CFR Citation: 40 CFR 51   
Legal Authority: 42 U.S.C. 7401- et seq., Clean Air Act   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  07/00/2026 
Final Rule  07/00/2026 
Additional Information: Docket #: EPA-HQ-OAR-2025-0201.
Regulatory Flexibility Analysis Required: No  Government Levels Affected: Federal, Local, State, Tribal 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Data Printed in the FR: No 
Agency Contact:
Stephen Senter
Environmental Protection Agency
Office of Air and Radiation
109 T.W. Alexander Drive, Mail Code C539-01,
Research Triangle Park, NC 27709
Phone:919 541-3042
Email:  senter.stephen@epa.gov