Response to Clean Air Act Section 176A Petition From New Hampshire
The comment period closed Sep 25, 2026.
The Environmental Protection Agency (EPA) is proposing to grant a Clean Air Act (CAA or Act) petition submitted by the state of New Hampshire on December 24, 2025. The petition requests that the EPA remove the State of New Hampshire from the Ozone Transport Region (OTR) based on New Hampshire's continued attainment of the ozone National Ambient Air Quality Standards (NAAQS) and technical analyses
Summary from the Federal Register.
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- Aug 11, 2026
Rule published
Response to Clean Air Act Section 176A Petition From New Hampshire
Environmental Protection Agency
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