WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency Region 5 has approved revisions to Ohio's State Implementation Plan concerning the Nitrogen Oxide (NOX) Budget Program, following a submission from the Ohio Environmental Protection Agency on November 4, 2024. This final rule action, published in the Federal Register on May 8, 2025, implements updates to Ohio Administrative Code Chapter 3745-14, which regulates NOX emissions from electric generating units and large non-electric u  more

WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency has finalized approval of a revision to the Tehama County Air Pollution Control District's portion of the California State Implementation Plan, a move that formalizes the district's permitting procedures for new or modified major sources of air pollution in nonattainment areas. Specifically, Rule 2:3C, titled "New and Modified Major Sources in the Tuscan Buttes Nonattainment Areas," governs preconstruction review and permitting u  more

WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency is proposing to approve several components of Colorado's state implementation plan revisions that address contingency measures for the Denver Metro/North Front Range (DMNFR) ozone nonattainment area under the 2008 8-hour ozone National Ambient Air Quality Standards. These proposed actions respond to requirements for Serious nonattainment areas under the Clean Air Act and involve contingency measures that are triggered if an area f  more

WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency (EPA) has issued a proposed rule to approve Louisiana's revised State Implementation Plan (SIP) for the Evangeline Parish sulfur dioxide (SO2) nonattainment area, targeting compliance with the 2010 1-hour primary National Ambient Air Quality Standard (NAAQS). This plan, submitted by the Louisiana Department of Environmental Quality on April 2, 2025, responds to long-standing Clean Air Act (CAA) requirements after the area was des  more

WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency has proposed a revision to the Missouri State Implementation Plan SIP aimed at reducing volatile organic compound VOC emissions from petroleum liquid storage, loading, and transfer in the Kansas City metropolitan area. The proposed rule, published on May 8, 2025, would approve amendments to Missouri rule 10 CSR 10-2.260 which applies to facilities in Jackson, Clay, and Platte counties. These revisions are intended to improve the   more

WASHINGTON, May 8 (TNSFR) -- The Environmental Protection Agency has issued a proposed rule to approve revisions to the Ohio State Implementation Plan concerning the state's Nitrogen Oxide (NOx) Budget Program. The revisions were submitted by the Ohio Environmental Protection Agency on November 4, 2024, and include updated rules in the Ohio Administrative Code that reflect minor changes to rule language and reference materials. These updates do not alter the substantive requirements of the pro  more