Data / Federal rules / 2025-12586

Air Plan Approval; California; Revised Format for Nonregulatory Provisions

The Environmental Protection Agency published this final rule in the Federal Register on July 7, 2025. It took effect on July 7, 2025.

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What the agency says

Under the Clean Air Act, the Environmental Protection Agency (EPA) is taking another action in a series of actions to revise the format of the former "Identification of plan" section for the California State Implementation Plan (SIP). Specifically, the EPA is adding the nonregulatory provisions and quasi-regulatory measures to the "Identification of plan--in part" section that the EPA established to provide for the phased transition of the California SIP to the revised format. The nonregulatory provisions and quasi- regulatory measures affected by this format revision have been previously submitted by the State of California and approved by the EPA. This action is the third in a series of actions intended to change the format for the entire California SIP.

Key facts

Document number: 2025-12586
Type: Final rule
Action: Final rule; administrative change
Agency: Environmental Protection Agency
Published: July 7, 2025
Takes effect: July 7, 2025
Dates: This rule is effective on July 7, 2025.
Docket: EPA-R09-OAR-2024-0527; FRL-12792-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon oxides; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen oxides; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 50

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon oxides · Rules on environmental protection · Published in July 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.