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EPA/OAR RIN: 2060-AW25 Publication ID: Spring 2025 
Title: State Implementation Plan Submittal Deadlines and Implementation Requirements for Reclassified Nonattainment Areas Under the Ozone National Ambient Air Quality Standards  
Abstract:

This final rule established default State Implementation Plan (SIP) submittal deadlines and implementation deadlines following ozone nonattainment area reclassification. This final rule also codified a policy regarding which lower classification requirements remain once an area is reclassified.

 
Agency: Environmental Protection Agency(EPA)  Priority: Substantive, Nonsignificant 
RIN Status: Previously published in the Unified Agenda Agenda Stage of Rulemaking: Completed Actions 
Major: No  Unfunded Mandates: No 
EO 14192 Designation: Not subject to, not significant 
CFR Citation: 40 CFR 51   
Legal Authority: 42 U.S.C. 7409    42 U.S.C. 7410    42 U.S.C. 7502    42 U.S.C. 7511–7511f    42 U.S.C. 7601(a)(1)    42 U.S.C. 7661(2)(B)   
Legal Deadline:  None
Timetable:
Action Date FR Cite
NPRM  10/04/2024  89 FR 80833   
Final Rule  01/17/2025  90 FR 5651   
Final Rule Effective  02/18/2025 
Additional Information: Docket #: EPA-HQ-OAR-2024-0333
Regulatory Flexibility Analysis Required: No  Government Levels Affected: State 
Small Entities Affected: No  Federalism: No 
Included in the Regulatory Plan: No 
RIN Information URL: https://www.epa.gov/ground-level-ozone-pollution/ozone-implementation-regulatory-actions  
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