EPA Proposed Rule: West Virginia Landfill Emissions Control Plan Approval

The EPA has proposed to approve a revision to West Virginia's Clean Air Act section 111(d) plan for existing municipal solid waste landfills. This update incorporates changes to emissions guidelines and compliance times for these facilities.

EPA: California Air Plan Revisions for Antelope Valley AQMD

The EPA is proposing to approve a revised New Source Review (NSR) permitting rule for the Antelope Valley Air Quality Management District (AVAQMD) as part of the California State Implementation Plan. This action follows a previous submission where deficiencies were identified, and the EPA is also withdrawing a prior proposed limited approval/disapproval of that earlier version. The agency is seeking public comments on this updated proposal.

EPA Air Plan Approval for Texas DFW Ozone Nonattainment Area

The EPA is approving revisions to the Texas State Implementation Plan (SIP) concerning volatile organic compounds (VOC) and nitrogen oxides (NOX) Reasonably Available Control Technology (RACT) requirements for the Dallas-Fort Worth (DFW) ozone nonattainment area. These revisions implement major source RACT requirements for VOC and NOX as addressed in the RACT analysis and negative declarations.

EPA Approval of Louisiana Air Quality Plan for Incinerators

The EPA is proposing to approve Louisiana's negative declaration for existing Other Solid Waste Incineration (OSWI) units, certifying that such units do not exist within specified jurisdictions. This action would amend EPA regulations under the Clean Air Act.

EPA Settlement Agreement for Response Action at Richardson Flat Tailings Site

The EPA has issued a notice regarding a proposed settlement agreement for a response action at the Richardson Flat Tailings Superfund Site in Utah. The agreement is with LHM DEV RIH LLC, a bona fide prospective purchaser, and outlines the performance of a response action and payment for certain response costs. The public has 30 days to comment on the proposed agreement.

EPA Determination on 2015 Ozone NAAQS for Phoenix-Mesa Area

The EPA has issued a final rule determining that the Phoenix-Mesa nonattainment area would have attained the 2015 ozone national ambient air quality standards by the August 3, 2024 deadline, but for international emissions. This classification means the area remains a Moderate nonattainment area and is not subject to reclassification requirements.

EPA Air Plan Approval for Texas RACT in Houston-Galveston-Brazoria

The EPA is approving revisions to the Texas State Implementation Plan (SIP) concerning volatile organic compounds (VOC) and nitrogen oxides (NOX) Reasonably Available Control Technology (RACT) requirements for the Houston-Galveston-Brazoria Serious nonattainment area. This final rule is effective April 22, 2026.

EPA Approval of Clean Air Plans for San Joaquin Valley Ozone

The Environmental Protection Agency (EPA) has finalized its approval of California's State Implementation Plan (SIP) submission for the San Joaquin Valley's contingency measures related to the 1997 ozone standards. This action confirms that the state has met its commitments for these measures.

EPA Final Rule: California Air Plan Revisions for Mojave Desert AQMD

The EPA is finalizing conditional approval of five permitting rules for the Mojave Desert Air Quality Management District as a revision to the California State Implementation Plan. These revisions update the District's New Source Review air permitting program rules for new and modified sources of air pollution.

EPA Proposed Rule on Scrap Tire Cleanups and Fuel Use

The EPA is proposing to amend its Non-Hazardous Secondary Materials (NHSM) regulations to designate combusted scrap tires as non-waste fuel. This proposed rule aims to improve public health, recover energy and mineral resources from tire piles, and facilitate the use of abandoned scrap tires as fuel in cement kilns.