Data / Federal rules / 2025-18062

Air Plan Approval; Guam; Guam Environmental Protection Agency; New Source Review

The Environmental Protection Agency published this final rule in the Federal Register on September 18, 2025. It took effect on October 20, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is finalizing an approval of a revision to the Guam state implementation plan (SIP). This revision governs the Guam Environmental Protection Agency's (GEPA) issuance of permits for stationary sources and focuses on the preconstruction review and permitting of major sources and major modifications under the Clean Air Act (CAA or "the Act").

Key facts

Document number: 2025-18062
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: September 18, 2025
Takes effect: October 20, 2025
Dates: This rule is effective on October 20, 2025.
Docket: EPA-R09-OAR-2025-0216; FRL-12613-02-R9
Code of Federal Regulations: 40 CFR 52
Topics: Administrative practice and procedure; Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Reporting and recordkeeping requirements
Pages: 5

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on administrative practice and procedure · Rules on air pollution control · Rules on environmental protection · 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.