Data / Federal rules / 2024-30729

Air Plan Approval; Indiana; Update to CFR References

The Environmental Protection Agency published this final rule in the Federal Register on December 27, 2024. It took effect on January 27, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is approving a request submitted by the Indiana Department of Environmental Management (IDEM) on December 14, 2023, to revise the Indiana State Implementation Plan (SIP). The submission revises and updates the Indiana Administrative Code (IAC) definition of "References to the Code of Federal Regulations," from the 2018 edition to the 2022 edition. EPA proposed to approve this action on August 18, 2024, and received no adverse comments.

Key facts

Document number: 2024-30729
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: December 27, 2024
Takes effect: January 27, 2025
Dates: This final rule is effective on January 27, 2025.
Docket: EPA-R05-OAR-2023-0633
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen dioxide; 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 December 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.