Data / Federal rules / 2025-17501

Air Plan Revisions; Arizona; Maricopa County Air Quality Department; Particulate Matter; Incinerators, Burn-Off Ovens, and Crematories

The Environmental Protection Agency published this proposed rule in the Federal Register on September 11, 2025. Comments closed on October 14, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing an approval of revisions to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of particulate matter from incinerators, burn-off ovens, and crematories. We are proposing to approve revisions to a local rule that regulates these emissions sources under the Clean Air Act (CAA or "Act"). We are taking comments on this proposal and plan to follow with a final action.

Key facts

Document number: 2025-17501
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: September 11, 2025
Comments due: October 14, 2025
Dates: Comments must be received on or before October 14, 2025.
Docket: EPA-R09-OAR-2025-0458; FRL-12915-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Particulate matter; Reporting and recordkeeping requirements
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 September 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.