Air Plan Approval; Illinois; NAAQS Update
Primary source
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Issuing agencies
Abstract
The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the Illinois Environmental Protection Agency (IEPA or Illinois). The revisions, submitted on February 26, 2024, and July 8, 2024, update the Illinois air pollution control rules entitled "Part 243--Ambient Air Quality Standards" in response to EPA rulemakings and changes to the National Ambient Air Quality Standards (NAAQS) that EPA adopted in 2022 and 2023.
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