Data / Federal rules / 2025-13324

Air Plan Approval; Connecticut; State Implementation Plan Revisions Required as a Result of a Definition Change Due to the Ozone Reclassification

The Environmental Protection Agency published this proposed rule in the Federal Register on July 16, 2025. Comments closed on August 15, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This action consists of revisions to Regulations of Connecticut State Agencies (RCSA) sections 22a-174-22e and 22a-174- 22f, primarily to add compliance dates for sources brought into the applicability of these sections due to a change in the definition of "severe non-attainment area for ozone," The definition change had previously been approved into Connecticut's SIP. This action is being taken in accordance with the Clean Air Act.

Key facts

Document number: 2025-13324
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: July 16, 2025
Comments due: August 15, 2025
Dates: Written comments must be received on or before August 15, 2025.
Docket: EPA-R01-OAR-2025-0196; FRL-12890-01-R1
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Lead; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 3

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon monoxide · Rules on environmental protection · Published in July 2025

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.