Proposed rule · 2026-04151

Interstate Transport Plan Review for the 2015 Ozone NAAQS

The Environmental Protection Agency (EPA) is extending the comment period for the proposed "Interstate Transport Plan Review for the 2015 Ozone NAAQS," published in the Federal Register on January 30, 2026. The current comment period for the proposed rule is set to end on March 2, 2026. The EPA has received numerous requests to extend the comment period. The EPA is extending the comment period for the proposed action to March 23, 2026.