Data / Federal rules / 2024-17500

Air Plan Revisions; Arizona; Maricopa County Air Quality Department

The Environmental Protection Agency published this final rule in the Federal Register on August 20, 2024. It took effect on September 19, 2024.

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What the agency says

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs), oxides of nitrogen (NO<INF>X</INF>), particulate matter (PM), and oxides of sulfur (SO<INF>X</INF>). We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or the Act).

Key facts

Document number: 2024-17500
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: August 20, 2024
Takes effect: September 19, 2024
Dates: This rule action will be effective September 19, 2024.
Docket: EPA-R09-OAR-2021-0748; FRL-11882-02-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; 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 August 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.