Rulemaking

Reconsideration of State Implementation Plan Submittal Deadlines and Implementation Requirements for Reclassified Nonattainment Areas Under the Ozone National Ambient Air Quality Standards

🏛 Environmental Protection Agency (EPA)EPA-HQ-OAR-2025-0201

Climate & Emissions

Documents

Total comments

all analyzed

Comment status

Closed

Last activity

Jul 13, 2026

In this docket

Documents

Rules, notices, and supporting material — the primary rule pinned first.

All 37 Supporting & Related Material 36 Proposed Rule 1

📄 Primary document

Proposed RuleJun 12, 2026

Ozone Reclassification State Implementation Plan Rule

Closed on Jul 14, 2026💬 31 comments

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Supporting & Related Material· Jul 14, 2026
Letter Dated July 8, 2026, from Aaron Szabo, Assistant Administrator for Air and Radiation, USEPA, to California Air Resources Board, Responding to a Request to Extend the Public Comment Period for the EPA's Proposed "Ozone Reclassification State Implementation Plan Rule"→
Supporting & Related Material· Jul 14, 2026
Letter Dated July 9, 2026, from Aaron Szabo, Assistant Administrator for Air and Radiation, USEPA, to Jeffrey Hammons, Clean Air Task Force, Responding to a Request to Extend the Public Comment Period for the EPA's Proposed "Ozone Reclassification State Implementation Plan Rule"→
Supporting & Related Material· Jul 14, 2026
Letter Dated July 8, 2026, from Aaron Szabo, Assistant Administrator for Air and Radiation, USEPA, to American Lung Association, Responding to a Request to Extend the Public Comment Period for the EPA's Proposed "Ozone Reclassification State Implementation Plan Rule"→
Supporting & Related Material· Jul 14, 2026
Letter Dated July 8, 2026, from Aaron Szabo, Assistant Administrator for Air and Radiation, USEPA, to Richard Jackson, Chair, Ozone Transport Commission, Responding to a Request to Extend the Public Comment Period for the EPA's Proposed "Ozone Reclassification State Implementation Plan Rule"→
Supporting & Related Material· Jul 14, 2026
Letter Dated July 8, 2026, from Aaron Szabo, Assistant Administrator for Air and Radiation, USEPA, to Michelle Manion, Executive Director, Northeast States for Coordinated Air Use Management, Responding to a Request to Extend the Public Comment Period for the EPA's Proposed "Ozone Reclassification State Implementation Plan Rule"→
Supporting & Related Material· Jun 17, 2026
E. O. 12866 Review: Ozone Reclassification State Implementation Plan Proposed Rule, OMB 1st Review Version (Word)→