Connecticut Department of Energy & Environmental Protection

Proposed State Implementation Plan (SIP) Revisions

The public notices in this section are provided as a convenience to the public. The official legal notice has been published in accordance with the requirements of all applicable laws.

When available, supporting documents (draft permits, etc.) are formatted as Adobe PDF files and can be read online or downloaded for printing.

If there are no public notices currently available in a proposed action category (SIP Revisions, General Permits, Individual Permits, Miscellaneous, Adjacent States) that category will not display.

Note: Notices of Proposed Regulations can be viewed on the Connecticut eRegulations website.

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  • Notice of Three Minor Air Quality Regulatory Amendments and Revision to State Implementation Plan

    Notice of three minor air quality regulatory amendments to add the Environmental Protection Agency's 2015 national ambient air quality standard for ozone, remove an affirmative defense provision, and clarify the use of calculations in Connecticut's air quality regulations. Written comments are due by November 13, 2024. A public hearing was not requested by October 29, 2024, therefore the public hearing originally scheduled for November 12, 2024 has been cancelled.

    Date Posted: 10/2/2024