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Proposed Rule2023-15290

Air Plan Approval; Illinois; NAAQS Update

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
July 24, 2023

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Illinois Environmental Protection Agency (IEPA or Illinois). The revision, submitted on July 8, 2022, incorporates revisions to the Illinois air pollution control rules entitled "Part 243--Ambient Air Quality Standards" and also updates the "List of Designated Reference and Equivalent Methods" in response to EPA rulemakings and changes to the National Ambient Air Quality Standards (NAAQS) that EPA adopted in 2021.

Indexed from Federal Register on July 24, 2023.

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