Data / Federal rules / 2024-31701

Air Plan Approval; Arizona; Maricopa County Air Quality Department

The Environmental Protection Agency published this final rule in the Federal Register on January 16, 2025. It took effect on February 18, 2025.

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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 or "County") portions of the Arizona State Implementation Plan (SIP). These revisions concern the County's reasonably available control technology (RACT) demonstration for the aerospace coating category and negative declarations for the 2008 8- hour ozone National Ambient Air Quality Standards (NAAQS or "standards") in the portion of the Phoenix-Mesa ozone nonattainment area regulated by the MCAQD, as well as a rule covering emissions of volatile organic compounds (VOCs) from surface coatings and industrial adhesives. We are also approving a local rule that regulates these emission sources under the Clean Air Act (CAA or "the Act").

Key facts

Document number: 2024-31701
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: January 16, 2025
Takes effect: February 18, 2025
Dates: This rule is effective February 18, 2025.
Docket: EPA-R09-OAR-2022-0607; FRL-10024-03-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 4

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in January 2025

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.