Data / Federal rules / 2026-01844
Interstate Transport Plan Review for the 2015 Ozone NAAQS
The Environmental Protection Agency published this proposed rule in the Federal Register on January 30, 2026. Comments closed on March 2, 2026.
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What the agency says
Pursuant to the Clean Air Act (CAA), the U.S. Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) submissions from eight States--Alabama, Arizona, Kentucky, Minnesota, Mississippi, Nevada, New Mexico, and Tennessee--regarding interstate transport for the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS). This action also explains why the EPA anticipates withdrawing previously proposed EPA error-correction actions related to interstate transport obligations for Iowa and Kansas and withdrawing previously proposed SIP disapproval actions for Tennessee, New Mexico, and Arizona. The "good neighbor" or "interstate transport" provision requires that each State's SIP contain adequate provisions to prohibit emissions from within the State from significantly contributing to nonattainment or interfering with maintenance of the NAAQS in other States. If finalized as proposed, this action would resolve these 10 States' obligations to eliminate significant contribution to nonattainment or interference with maintenance of the 2015 8-hour ozone NAAQS in other States.
Key facts
- Document number
- 2026-01844
- Type
- Proposed rule
- Action
- Proposed rule; reconsideration of final rule
- Agency
- Environmental Protection Agency
- Published
- January 30, 2026
- Comments due
- March 2, 2026
- Dates
- Comments must be received on or before March 2, 2026.
- Docket
- EPA-HQ-OAR-2025-0192; FRL-12716-01-OAR
- Regulation ID (RIN)
- 2060-AW63
- Code of Federal Regulations
- 40 CFR 52
- Topics
- Administrative practice and procedure; Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Particulate matter
- Significant
- Yes, under Executive Order 12866
- Pages
- 20
Other documents from the Environmental Protection Agency
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