EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Rule | The U.S. Environmental Protection Agency (EPA) is providing notice of the availability of data on the administration of the assurance provisions of the Cross-State Air Pollution Rule (CSAPR) trading program for the 2025 control period. Virginia units participating in the CSAPR NO X Ozone Season Group 2E Trading Program during the 2025 control period reported total nitrogen oxides (NO X ) emissions that exceeded the State's assurance level under the program. The EPA has posted on the Agency's website a spreadsheet that presents data demonstrating the exceedance and the Agency's final calculations of the additional allowances that owners and operators..
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | On September 9, 2026 the U.S. Environmental Protection Agency (EPA or Agency) proposed to repeal a final rule published in the Federal Register (FR) on December 2, 2024, partially approving and partially disapproving North Dakota's 2022 regional haze State Implementation Plan (SIP) submission for the second implementation period. The EPA proposed in the same action to approve the portions of North Dakota's 2022 SIP submission for the second implementation period that were disapproved in the EPA's 2024 partial approval/partial disapproval. The ADDRESSES section of the proposed rulemaking contained an incorrect Docket Identification Number (Do.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | On February 28, 2025, the State of North Carolina, through the North Carolina Department of Environmental Quality, Division of Air Quality (NCDAQ), submitted a request for the U.S. Environmental Protection Agency (EPA) to approve a State Implementation Plan (SIP) revision containing the State's plan for maintaining the 2008 ozone National Ambient Air Quality Standard (NAAQS) through 2035 for the North Carolina portion of the bi-state Charlotte-Rock Hill, North Carolina-South Carolina 2008 8-hour ozone nonattainment area (the entire area is hereinafter referred to as the "bi-state Charlotte Area" and the North Carolina portion is hereinafter..
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The Environmental Protection Agency (EPA or the Agency) is proposing to approve Indiana's Coal Combustion Residuals (CCR) partial permit program under the Resource Conservation and Recovery Act (RCRA). After reviewing the CCR permit program application submitted by the Indiana Department of Environmental Management (IDEM), EPA has preliminarily determined that Indiana's CCR permit program meets the standard for partial approval under RCRA. If approved, Indiana's CCR permit program will operate in lieu of the Federal CCR program, with the exception of the specific provisions noted below. EPA is seeking comment on this proposal during a 60-day.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Notice | The Environmental Protection Agency (EPA) is providing notification of its final action entitled August 31, 2026 Decision on Petitions for RFS Small Refinery Exemptions ("August 31, 2026 SRE Decisions Action") in which EPA issued decisions on 34 small refinery exemption (SRE) petitions under the Renewable Fuel Standard (RFS) program for the 2025 compliance year. EPA is also reissuing a decision for 1 petition for the 2024 compliance year that was originally issued in the August 3, 2026 Decision on Petitions for RFS Small Refinery Exemptions. EPA is providing this notification for public awareness of, and the basis for, EPA's decision announced on A.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision request submitted by Virginia Department of Environmental Quality (VADEQ) on behalf of the Commonwealth of Virginia. The SIP revisions intend to make some sections of Virginia regulation Revision D22 that became effective on November 23, 2022 federally enforceable. The revisions limit the authority of the Virginia State Air Pollution Control Board (Board) to the issuance of regulations, and transfer the board's existing authority to issue permits, orders, and variances to VADEQ. Additionally, the revisions establish procedures for pub.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove a revision to the Arizona State implementation plan (SIP) as meeting the requirements of the Clean Air Act (CAA) for the implementation, maintenance, and enforcement of the 2012 fine particulate matter (PM 2.5 ) national ambient air quality standard (NAAQS or "standards"). The EPA is proposing to approve the portions of Arizona's submission addressing prevention of significant deterioration (PSD) requirements in the permitting jurisdictions of the Arizona Department of Environmental Quality (ADEQ), Maricopa County Air Quality Department (MCAQ.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The Environmental Protection Agency (EPA) is proposing to approve revisions to the Missouri State Implementation Plan (SIP) related to Control of Nitrogen Oxide (NO X ) Emissions From Large Stationary Internal Combustion Engines. The revisions reformat and revise reporting, recordkeeping, and compliance requirements; incorporate other state rules by reference; add definitions specific to the rule; revise unnecessarily restrictive or duplicative language; and make administrative wording changes. The revisions also add an exemption for certain spark-ignited internal combustion engines. The EPA's proposed approval is pursuant to, and consistent.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | Pursuant to applicable requirements under the Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to approve a revision to the State of New York's State Implementation Plan (SIP) for the ozone National Ambient Air Quality Standard (NAAQS) related to a source-specific SIP (SSSIP) revision for Castleton Energy Center, located at 1902 River Road, Castle-on-Hudson, New York 12033 (herein referred to CEC, or the Facility). The EPA is proposing to find that the control option in this SSSIP revision is Reasonably Available Control Technology (RACT) with respect to oxides of nitrogen (NO X ) emissions from the rele.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The Environmental Protection Agency (EPA) is proposing to approve a revision to the State of Wisconsin's State Implementation Plan (SIP) for the Oak Creek Power Plant located in Oak Creek, Wisconsin. The EPA is proposing to approve alternative nitrogen oxides (NO X ) emissions limits for the Oak Creek facility. The alternative limits will allow the facility to operate in compliance with State and Federal regulations, and emit less NO X over time as compared to current limits. This proposed action will not interfere with the National Ambient Air Quality Standards (NAAQS) and meets all applicable requirements under the Clean Air Act (CAA).
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The U.S. Environmental Protection Agency (EPA) is proposing a Federal plan to implement the revised emission guidelines for existing other solid waste incineration (OSWI) units. The EPA promulgated emission guidelines for existing OSWI units in 2005 and revised the emission guidelines on June 30, 2025. If a State or Tribe with existing OSWI units subject to the 2025 revised OSWI emission guidelines does not submit an approvable plan by June 30, 2027, the EPA will develop, implement, and enforce a Federal plan for existing OSWI units located in that State or area of Indian Country. This action proposes a Federal plan to implement the 2025 rev.
EPA Office of the Federal Register / National Archives and Records Administration · Rulemaking audits
Environmental Protection Agency | Proposed Rule | The United States Environmental Protection Agency (EPA or Agency) is proposing amendments to its procedures for implementing the requirements of the National Environmental Policy Act of 1969 (NEPA). This proposed rule would also include technical amendments to the Agency's procedures to improve clarity, correct errors, and update office names and titles. This proposed rule would amend EPA's NEPA implementing procedures by incorporating proposed revisions to create efficiencies in the implementation of NEPA and to harmonize EPA's NEPA Implementing Procedures with other federal agencies' procedures, where possible. The proposed rule also incor.
