Data / Federal rules / 2024-22734

Air Plan Approval; Illinois; NAAQS Update

The Environmental Protection Agency published this proposed rule in the Federal Register on October 3, 2024. Comments closed on November 4, 2024.

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What the agency says

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.

Key facts

Document number: 2024-22734
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: October 3, 2024
Comments due: November 4, 2024
Dates: Comments must be received on or before November 4, 2024.
Docket: EPA-R05-OAR-2024-0105; EPA-R05-OAR-2024-0320; FRL-12240-01-R5
Code of Federal Regulations: 40 CFR 52
Pages: 2

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Published in October 2024

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.