Agency
Environmental Protection Agency
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Rule
Thu, Oct 8, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA or Agency) is approving a State Implementation Plan (SIP) revision submitted by the State of Georgia through the Georgia Environmental Protection Division (EPD) on June 27, 2024. The revision removes permitting requirements related to nonattainment, including nonattainment new source review (NNSR), from Georgia's SIP as obsolete, removes certain provisions related to the use of emission reduction credits (ERCs), and makes other changes based upon the lack of any areas designated as nonattainment for the National Ambient Air Quality Standards…
Rule
Thu, Oct 8, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Jersey for purposes of certifying and meeting the requirements for Reasonably Available Control Technology (RACT) for the Serious classification of the 2008 and the Moderate classification of the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS). The EPA is also approving that the SIP revisions fulfill SIP requirements pertaining to the Ozone Transport Region (OTR) for the 2015 ozone NAAQS. These actions are being taken in accordance with the…
Proposed rule
Fri, Sep 25, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky on February 20, 2025, for the purpose of establishing a second 10-year maintenance plan for the Kentucky portion of the Campbell-Clermont, Kentucky-Ohio maintenance area for the 2010 1-hour sulfur dioxide National Ambient Air Quality Standards. The EPA is proposing to approve this SIP revision because the Commonwealth has demonstrated that it is consistent with the Clean Air Act.
Rule
Fri, Sep 25, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA or Agency) is approving a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky, through the Kentucky Division for Air Quality (DAQ), on February 20, 2025. The SIP revision includes the second 10- year maintenance plan for the Kentucky portion of the Campbell- Clermont, Kentucky-Ohio maintenance area ("Campbell-Clermont, KY-OH Area" or "Area") for the 2010 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standards (NAAQS). The Kentucky portion of the Area is comprised of a part of Campbell County. The EPA is…
Proposed rule
Thu, Sep 17, 2026
Environmental Protection Agency
Federal Register summary In this action, the U.S. Environmental Protection Agency (EPA) is supplementing its proposal to repeal all greenhouse gas (GHG) emission standards for fossil fuel-fired electric generating units (EGUs) to effectuate the best reading of Clean Air Act (CAA) section 111. We propose that CAA section 111 does not authorize the EPA to regulate emissions from power plants in response to global climate change concerns. For the multiple and independent reasons described herein, this additional rationale would also require rescinding the Administrator's contrary findings and determinations in 2015 and…
Proposed rule
Thu, Aug 27, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA or Agency) is proposing to approve a State Implementation Plan (SIP) revision submitted by the Commonwealth of Kentucky through the Energy and Environment Cabinet (Cabinet), Division of Air Quality (Division), on July 23, 2024. The SIP revision consists of a Limited Maintenance Plan (LMP) for the Kentucky portion of the tri-state Cincinnati-Hamilton 1997 8-hour ozone nonattainment area (the "tri-state Cincinnati-Hamilton Area"). The Kentucky portion of the tri-state Cincinnati-Hamilton Area is composed of Boone, Campbell, and Kenton Counties in…
Proposed rule
Thu, Aug 6, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is proposing to approve revisions to 35 Illinois Administrative Code (IAC) parts 217, 218, and 219 into the Illinois State Implementation Plan (SIP). The Illinois Environmental Protection Agency (Illinois or Illinois EPA) submitted these revisions on December 18, 2024, and May 12, 2025, supplemented their submittal on August 13, 2025, for Moderate Reasonably Available Control Technology (RACT). The EPA is proposing to approve 35 IAC parts 217, 218, and 219 as satisfying the Moderate Volatile Organic Compound (VOC) RACT and NOX RACT requirements…
Proposed rule
Thu, Jul 30, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision and redesignation request submitted on September 19, 2025 by the Pennsylvania Department of Environmental Protection (PADEP). The SIP revision asks the EPA to redesignate the Warren County, Pennsylvania area from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO2) national ambient air quality standard (NAAQS). The revision also asks the EPA to approve into the SIP the Commonwealth's maintenance plan for the 2010 1-hour primary SO2 NAAQS for the Warren County…
Proposed rule
Tue, Jul 28, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve the Michigan Department of Environment, Great Lakes, and Energy's (EGLE's) December 26, 2025, requests to redesignate the Berrien and Muskegon areas to attainment for the 2015 ozone NAAQS because the requests meet the statutory requirements for redesignation under the Clean Air Act (CAA). The Berrien area includes Berrien County, and the Muskegon area includes the western portion of Muskegon County. The EPA is proposing to approve, as revisions to the Michigan State Implementation Plan (SIP), the State's plans for maintaining…
Proposed rule
Tue, Jul 28, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve a request from the Michigan Department of Environment, Great Lakes, and Energy (EGLE) to redesignate the Detroit, Michigan area to attainment for the 2015 ozone National Ambient Air Quality Standards (NAAQS) because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). EGLE submitted this request on January 3, 2022, and submitted a supplement to this request on May 18, 2026. The EPA is also proposing to approve, as a revision to the Michigan State Implementation Plan (SIP), the State's…
Rule
Thu, Jul 16, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA or Agency) is approving the attainment plan and comprehensive emissions inventory for the Canton Nonattainment Area for the 2008 Lead (Pb) National Ambient Air Quality Standards (NAAQS) submitted by the Ohio Environmental Protection Agency (Ohio EPA or Ohio) on September 19, 2024. Additionally, the EPA is determining that the Canton Nonattainment Area has attained the 2008 Pb NAAQS and is approving Ohio's April 25, 2025, maintenance plan for continued attainment. With these approvals, the EPA is acting in accordance with Ohio's request to…
Proposed rule
Wed, Jul 1, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA or agency) is proposing the sixth Unregulated Contaminant Monitoring Rule (UCMR 6). Under the Safe Drinking Water Act (SDWA), the UCMR program gathers data about unregulated contaminant occurrence in drinking water. The proposed UCMR 6 would require public water systems (PWSs) to collect national occurrence data for seven ultrashort organofluorine compounds (including certain PFAS), three pesticide metabolites, 13 semivolatile organic compounds, and seven purgeable organic compounds. Subject to the availability of appropriations, the EPA will…
Rule
Mon, Jun 29, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving the request from the Ohio Environmental Protection Agency (Ohio EPA) to redesignate the Cleveland, Ohio area to attainment for the 2015 ozone National Ambient Air Quality Standards (NAAQS) because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). Ohio EPA submitted this request on December 8, 2025. The EPA is approving, as a revision to the Ohio State Implementation Plan (SIP), the State's plan for maintaining the 2015 ozone NAAQS through 2038 in the Cleveland area. The EPA is also finding…
Rule
Fri, Jun 26, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving source- specific State Implementation Plan (SIP) revisions submitted by Ohio. These revisions address major source volatile organic compound (VOC) and nitrogen oxide (NOX) reasonably available control technology (RACT) requirements for the Cleveland, OH Moderate nonattainment area (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit counties) for the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard). The affected facilities include Lubrizol, Henkel, and Cleveland-Cliffs Cleveland Works. With this approval, Ohio…
Rule
Fri, Jun 26, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving source- specific State Implementation Plan (SIP) revisions submitted by Ohio. These revisions address major source volatile organic compound (VOC) and nitrogen oxide (NOX) reasonably available control technology (RACT) requirements for the Cleveland, OH Moderate nonattainment area for the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard). The affected facilities include PPG Industries Ohio, Inc. (PPG), Owens Corning, Akron Paint and Varnish, Charter Steel, U. S. Steel Tubular Lorain, Carmeuse Lime, and Ross…
Rule
Fri, Jun 12, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is partially withdrawing two final actions finding that 13 States and/or local air pollution control agencies failed to submit State Implementation Plan (SIP) revisions to address the Agency's 2015 findings of substantial inadequacy and "SIP call" for provisions applying to excess emissions during periods of startup, shutdown, and malfunction (SSM). The partial withdrawal affects six air pollution control agencies. Withdrawing relevant parts of the findings for failure to submit is consistent with the decision from the U.S. Court of Appeals for…
Notice
Fri, May 29, 2026
Environmental Protection Agency
Federal Register summary This notice announces EPA's receipt of an application 100506- EUP-R from the State University of New York College of Environmental Science and Forestry (SUNY ESF) requesting an experimental use permit (EUP) for OxO American Chestnut (oxalate oxidase OxO) and the genetic material necessary for its expression in American chestnut (Castanea dentata). The Agency has determined that the permit may be of regional and national significance. Therefore, because of the potential significance, EPA is seeking comments on this application.
Proposed rule
Thu, May 28, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to act in accordance with Ohio EPA's November 14, 2025, request to remove the air pollution nuisance rule (ANR) from the Ohio State Implementation Plan (SIP). The EPA is proposing to find that the Ohio SIP contains adequate control requirements and enforcement measures to maintain air quality in the State without the ANR. 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).
Rule
Thu, May 14, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is determining under the Clean Air Act (CAA) that the Cleveland, Ohio nonattainment area (hereafter also referred to as "Cleveland area" or "area") has attained the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard). This determination is based upon complete, quality-assured, and certified ambient air monitoring data for the 2023-2025 design period showing that the Cleveland area achieved attainment of the 2015 ozone NAAQS. This determination relies on an exceptional events request submitted by the Ohio Environmental Protection…
Rule
Tue, May 5, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA or Agency) is extending the postponement of the effectiveness of certain regulatory provisions of the final rule entitled "Trichloroethylene (TCE); Regulation Under the Toxic Substances Control Act (TSCA)" until the conclusion of judicial review. Specifically, this postponement applies to the conditions imposed on the uses with TSCA section 6(g) exemptions.
Proposed rule
Mon, Apr 13, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA or the Agency) is proposing several revisions to the existing federal CCR regulations, including exempting CCR dewatering structures and modifying the legacy coal combustion residual (CCR) surface impoundment and CCR management unit provisions. Additionally, EPA is proposing to establish a new compliance pathway that allows for site-specific considerations during permitting regarding the groundwater monitoring points of compliance, the cleanup levels for corrective action, the appropriate closure requirements, closure timeframes, and allowing CCR…
Proposed rule
Fri, Apr 10, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve the State of Ohio's attainment plan for the Canton Nonattainment Area for the 2008 Lead (Pb) National Ambient Air Quality Standards (NAAQS). Additionally, the EPA is proposing to determine that the Canton Nonattainment Area has attained the 2008 Pb NAAQS and to approve Ohio's maintenance plan for continued attainment. With these approvals, the EPA is also proposing to approve Ohio's comprehensive Pb emissions inventory and to act in accordance with Ohio Environmental Protection Agency's (Ohio EPA) request to redesignate the…
Proposed rule
Fri, Apr 10, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve source-specific State Implementation Plan (SIP) revisions submitted by Ohio. These revisions address major source volatile organic compound (VOC) and nitrogen oxide (NOX) reasonably available control technology (RACT) requirements for the Cleveland, OH Moderate nonattainment area (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit counties) under the 2015 ozone National Ambient Air Quality Standard ("NAAQS" or "standard"). The affected facilities include Lubrizol, Henkel, and Cleveland-Cliffs Cleveland Works. If this…
Proposed rule
Fri, Apr 10, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to act in accordance with a request from the Ohio Environmental Protection Agency (Ohio EPA) to redesignate the Cleveland, Ohio area to attainment for the 2015 ozone National Ambient Air Quality Standards (NAAQS) because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). The Cleveland area includes Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit Counties. Ohio EPA submitted this request on December 8, 2025. The EPA is also proposing to approve, as a revision to the Ohio State…
Rule
Thu, Apr 2, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is granting Ohio final authorization for changes to its hazardous waste program under the Resource Conservation and Recovery Act (RCRA). The Agency published a proposed rule on November 18, 2025, and provided for public comment. Ten substantive comments were received on Ohio's proposed revisions. These comments are addressed in this Final Authorization.
Rule
Thu, Apr 2, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) finds that the Muskingum River sulfur dioxide (SO2) nonattainment area, located in Center Township in Morgan County and Waterford Township in Washington County, Ohio, (hereafter referred to as "Muskingum River area") is attaining the 2010 SO2 National Ambient Air Quality Standard (NAAQS). The EPA is acting in accordance with Ohio's March 31, 2025, request to redesignate the Muskingum River area from nonattainment to attainment for the 2010 SO2 NAAQS because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA)…
Rule
Thu, Apr 2, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving revisions to Ohio air permitting rules into the State Implementation Plan (SIP) under the Clean Air Act (CAA). These revisions represent changes to the air permitting rules the Ohio Environmental Protection Agency (Ohio EPA) adopted on March 1, 2023, and July 25, 2025, which became effective at the State level on March 11, 2023, and August 14, 2025, respectively. These revisions will result in consistent requirements of rules at both the State and Federal level. The EPA proposed to approve this action on January 9, 2026, and received no…
Rule
Mon, Mar 23, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving a May 2, 2025, State Implementation Plan (SIP) submittal from the Ohio Environmental Protection Agency (Ohio EPA). The SIP submittal consists of an alternate control technology emission limit of 5.9 pounds of volatile organic compounds per gallon (lbs. VOC/gallon) for RFD Beaufort, Inc.'s life raft manufacturing plant at 1420 Wolf Creek Trail, Wadsworth, Ohio. This limit applies to the facility's nylon reinforced polyurethane adhesive process. The limitation is established through the Ohio SIP for control of emissions of volatile organic…
Notice
Mon, Mar 23, 2026
Environmental Protection Agency
Federal Register summary In accordance with the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended ("CERCLA"), the U.S. Environmental Protection Agency ("EPA"), Region 5, hereby gives notice of a proposed De Minimis administrative settlement for recovery of past response costs concerning the Battery and Electronics Recycling Site (Site) in Dane County, Wisconsin with the following Settling Parties and Respondents: Logistics Recycling, Inc.; Interstate All- Battery, Center of the Tri-States; Columbus Ohio Battery, LLC d/b/a IBS of Columbus, Inc.; Carl H. Reinhold, Inc. d/b/a…
Proposed rule
Mon, Mar 23, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA or the Agency) is proposing to improve protection of public health and recover valuable energy and mineral resources by designating scrap tires, including previously abandoned scrap tires, that are combusted in cement kilns, as non-waste fuel. In addition, the EPA is proposing to revise the definition of established tire collection program to include abandoned scrap tires that are recovered for use as fuel so they can be managed the same as collected scrap tires. These proposed regulatory changes support several goals of the Resource Conservation and…
Rule
Mon, Mar 23, 2026
Environmental Protection Agency
Federal Register summary Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (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), 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS) Serious nonattainment area (NAA). The revisions were submitted by the State of Texas on May 12, 2020, and May 13, 2020. The EPA is approving revisions to 30 Texas Administrative Code (TAC) Chapters 115…
Rule
Wed, Mar 18, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is finalizing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Polyether Polyols (PEPO) Production source category ("PEPO NESHAP") under Clean Air Act (CAA) section 112. Specifically, the EPA is finalizing certain ethylene oxide (EtO)- specific standards pursuant to CAA section 112(d)(6) rather than finalizing the proposed second residual risk review and corresponding amendments pursuant to CAA section 112(f)(2). In addition, the EPA is taking final action addressing certain issues raised in an…
Rule
Tue, Mar 10, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA) is finalizing new source performance standards (NSPS) and emission guidelines (EG) for the large municipal waste combustion (MWC) source category. This final rule responds to a voluntary remand of the preceding rule for this source category and announces the results of the non-discretionary review at five-year intervals required by Clean Air Act (CAA) section 129(a)(5), fulfilling the requirements of a consent decree for the source category. The final rule revises the remanded emission limits for cadmium, lead, particulate matter…
Proposed rule
Fri, Feb 27, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve source-specific State Implementation Plan (SIP) revisions submitted by Ohio. These revisions address major source volatile organic compound (VOC) and nitrogen oxide (NOX) reasonably available control technology (RACT) requirements for the Cleveland, OH Moderate nonattainment area under the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard). The affected facilities include PPG Industries Ohio, Inc. (PPG), Owens Corning, Akron Paint and Varnish, Charter Steel, U.S. Steel Tubular Lorain, Carmeuse Lime, and Ross…
Proposed rule
Fri, Feb 27, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to determine under the Clean Air Act (CAA) that the Cleveland, Ohio nonattainment area (hereafter also referred to as "Cleveland area" or "area") has attained the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard). This determination is based upon complete, quality-assured, and certified ambient air monitoring data for the 2023-2025 design period showing that the Cleveland area achieved attainment of the 2015 ozone NAAQS. This determination relies on an exceptional events request submitted by the Ohio Environmental…
Proposed rule
Fri, Feb 27, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve the regional haze State Implementation Plan (SIP) revision submitted by the Illinois Environmental Protection Agency (Illinois EPA) on June 3, 2024, as satisfying applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule for the program's second implementation period. The EPA proposes to find that Illinois' regional haze SIP submission fulfills the requirement that States must periodically revise their long-term strategies for making reasonable progress towards the national goal of preventing any…
Proposed rule
Fri, Feb 27, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve revisions and additions to Michigan Air Pollution Control Rules (MAPCR) Parts 6 and 8 for inclusion in the Michigan State Implementation Plan (SIP). Michigan submitted these SIP revisions to meet the Moderate Volatile Organic Compound (VOC) and Nitrogen Oxide (NOX) Reasonably Available Control Technology (RACT) requirements for the Western Michigan nonattainment areas (Berrien, Western portion of Allegan, and Western portion of Muskegon counties) under the 2015 ozone National Ambient Air Quality Standard (NAAQS or standard)…
Rule
Wed, Feb 18, 2026
Environmental Protection Agency
Federal Register summary In this action, the U.S. Environmental Protection Agency (EPA) is rescinding the Administrator's 2009 findings of contribution and endangerment and repealing all greenhouse gas (GHG) emission standards for light-duty, medium-duty, and heavy-duty vehicles and engines to effectuate the best reading of Clean Air Act (CAA) section 202(a)(1). The EPA determines that CAA section 202(a)(1) does not authorize the Agency to prescribe emission standards in response to global climate change concerns for multiple reasons, including the best reading of the statutory terms "air pollution," "cause,"…
Rule
Thu, Feb 12, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving revisions to the Ohio State Implementation Plan (SIP). On November 6, 2024, the Ohio Environmental Protection Agency (Ohio EPA) submitted the State's plans for maintaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard) in the Columbus, Ohio; Cleveland- Akron-Lorain, Ohio; and Cincinnati, Ohio-Kentucky-Indiana areas. The EPA is approving these maintenance plans because they provide for the maintenance of the 2008 ozone NAAQS for each area for 10 additional years as required by the Clean Air Act (CAA). The EPA is…
Notice
Wed, Feb 4, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is announcing its approval of the request from Ohio to reinstate the 1-psi (pound per square inch) volatility waiver within the state.
Proposed rule
Fri, Jan 30, 2026
Environmental Protection Agency
Federal Register summary Pursuant to the Clean Air Act (CAA), the U.S. Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) submissions from eight States--Alabama, Arizona, Kentucky, Minnesota, Mississippi, Nevada, New Mexico, and Tennessee--regarding interstate transport for the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS). This action also explains why the EPA anticipates withdrawing previously proposed EPA error-correction actions related to interstate transport obligations for Iowa and Kansas and withdrawing previously proposed SIP disapproval actions…
Rule
Mon, Jan 26, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving the Regional Haze State Implementation Plan (SIP) revision for Indiana submitted by the Indiana Department of Environmental Management (IDEM or Indiana) on December 29, 2021, as satisfying applicable requirements under the Clean Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. Indiana's SIP submission addresses the requirement that States must periodically revise their long-term strategies for making reasonable progress towards the national goal of preventing any future, and remedying any…
Rule
Tue, Jan 20, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving revisions to Ohio Administrative Code (OAC) Chapters 3745-21 and 3745- 110 into the Ohio State Implementation Plan (SIP). The Ohio Environmental Protection Agency ("Ohio" or "Ohio EPA") submitted these revisions on March 30, 2022, and supplemented the submittal on February 1, 2023, and August 28, 2023. The EPA is approving parts of OAC Chapters 3745-21 and 3745-110 as satisfying some of the Moderate Volatile Organic Compound (VOC) Reasonably Available Control Technology (RACT) and Nitrogen Oxide (NOX) RACT requirements for the Cleveland…
Rule
Thu, Jan 15, 2026
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (EPA, or Agency) is finalizing amendments to the new source performance standards (NSPS) for stationary combustion turbines and stationary gas turbines pursuant to a review required by the Clean Air Act (CAA). As a result of this review, the EPA is establishing subcategories for new, modified, or reconstructed stationary combustion turbines based on size, rates of utilization, design efficiency, and fuel type. The EPA determined that combustion controls are the best system of emission reduction (BSER) for nitrogen oxide (NOX) emissions for most new…
Rule
Wed, Jan 14, 2026
Environmental Protection Agency
Federal Register summary This regulation establishes tolerances for residues of pyriofenone in or on apple; apple, wet pomace; berry, low growing, subgroup 13-07G (except cranberry); and cherry subgroup 12-12A. ISK Biosciences Corporation requested these tolerances under the Federal Food, Drug, and Cosmetic Act (FFDCA).
Rule
Fri, Jan 9, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving delegation of authority to the Ohio Environmental Protection Agency (Ohio EPA) for implementing and enforcing the Federal plan requirements for municipal solid waste (MSW) landfills that commenced construction on or before July 17, 2014, and have not been modified or reconstructed since July 17, 2014. Additionally, Ohio EPA has requested to withdraw an existing MSW landfill State plan which will be replaced with the delegation of authority of the Federal plan. On June 12, 2025, the Ohio EPA Director signed a Memorandum of Agreement…
Proposed rule
Fri, Jan 9, 2026
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve revisions to Ohio air permitting rules into the State Implementation Plan (SIP) under the Clean Air Act (CAA). These revisions represent changes to the air permitting rules the Ohio Environmental Protection Agency (Ohio EPA) adopted on March 1, 2023, and July 25, 2025, which became effective at the State level on March 11, 2023, and August 14, 2025, respectively. These revisions will result in consistent requirements of rules at both the State and Federal level.
Rule
Wed, Dec 31, 2025
Environmental Protection Agency
Federal Register summary The U.S. Environmental Protection Agency (the EPA or Agency) is finalizing a Clean Water Act (CWA) rule to extend deadlines promulgated in the 2024 "Supplemental Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category" (2024 rule), update the 2024 rule's transfer provisions to allow facilities to switch between compliance alternatives, and create authority for alternative applicability dates and paperwork submission dates, based on site-specific factors.
Rule
Thu, Dec 11, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving new emissions limits for the Carmeuse Lime Maple Grove, Inc. facility into the Ohio State Implementation Plan (SIP) for the National Ambient Air Quality Standard (NAAQS) for sulfur dioxide (SO2). The Ohio Environmental Protection Agency (Ohio EPA) submitted Director's Findings and Orders that establish a new emission limit for SO2 emissions from two rotary lime kilns at the Carmeuse Lime Maple Grove, Inc. facility (hereafter referred to as Carmeuse Lime) in Seneca County, Ohio. EPA proposed to approve this action on August 7, 2025.
Proposed rule
Thu, Dec 11, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to disapprove a revision to the Ohio State Implementation Plan (SIP) submitted on July 9, 2025, by the Ohio Environmental Protection Agency (Ohio EPA). The revision, which Ohio EPA submitted pursuant to Ohio Amended Substitute House Bill 54 ("E-Check Ease Act"), includes provisions that would create an alternative to state-run mandatory on- board diagnostic (OBD) inspections with a self-attestation program that allows motorists to self-attest that their vehicles comply with emissions requirements. This approach is inconsistent with…
Proposed rule
Fri, Nov 28, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA or the Agency) is proposing to extend, by three years, one compliance deadline applicable to certain coal combustion residuals (CCR) surface impoundments operating pursuant to the alternative closure requirements. Specifically, EPA is extending the deadline for owners and operators to complete closure of their unlined CCR surface impoundments larger than 40 acres from October 17, 2028, to October 17, 2031. This deadline extension will promote electric grid reliability by allowing a subset of coal-fired power producers to continue to operate beyond…
Proposed rule
Wed, Nov 26, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve amendments to Ohio Administrative Code (OAC) Chapter 3745-25, Emergency Episodes and Ambient Air Quality Standards, into Ohio's State Implementation Plan (SIP). The amendments to the rule include minor style changes, correct typographical errors, and update publication and referenced material titles, effective dates, and addresses.
Rule
Wed, Nov 26, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is approving amendments to Ohio Administrative Code (OAC) Chapter 3745-25, Emergency Episodes and Ambient Air Quality Standards, into Ohio's State Implementation Plan (SIP). The amendments to the rule include minor style changes, correct typographical errors, and update publication and referenced material titles, effective dates, and addresses.
Notice
Tue, Nov 25, 2025
Environmental Protection Agency
Federal Register summary EPA has authorized its contractor and subcontractors, General Dynamic Information Technology (GDIT) of Falls Church VA, Comptech Technology of Dayton Ohio, and Gridiron IT Solutions Inc. of Reston VA, to access information which has been submitted to EPA under all sections of the Toxic Substances Control Act (TSCA). Some of the information may be claimed or determined to be Confidential Business Information (CBI).
Proposed rule
Fri, Nov 21, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve a revision to the Indiana State Implementation Plan (SIP). On April 1, 2025, the Indiana Department of Environmental Management (IDEM) submitted a revision to the State's plan for maintaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard) in the Indiana portion of the Cincinnati, Ohio-Kentucky-Indiana area. EPA is proposing to approve this maintenance plan because it provides for the maintenance of the 2008 ozone NAAQS for the area for 10 additional years as required by the Clean Air Act (CAA). EPA is…
Proposed rule
Thu, Nov 20, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is proposing to approve a request from the Commonwealth of Pennsylvania to redesignate the Allegheny County, Pennsylvania nonattainment area (Allegheny County Area) to attainment for the 2012 annual fine particulate matter (PM2.5) national ambient air quality standard (NAAQS or standard). The EPA has already approved, as a revision to the Pennsylvania state implementation plan (SIP), a maintenance plan that demonstrates maintenance of the 2012 annual PM2.5 NAAQS through 2035 in the Allegheny County Area. The redesignation request was submitted by the…
Proposed rule
Tue, Nov 18, 2025
Environmental Protection Agency
Federal Register summary Ohio has applied to the Environmental Protection Agency (EPA) for final authorization of changes to its hazardous waste program under the Resource Conservation and Recovery Act (RCRA), as amended. The EPA has reviewed Ohio's application and has determined that these changes satisfy all requirements needed to qualify for final authorization. Therefore, we are proposing to authorize the State's changes. The EPA seeks public comment prior to taking final action.
Rule
Tue, Nov 18, 2025
Environmental Protection Agency
Federal Register summary The Environmental Protection Agency (EPA) is taking final action to approve the request from the State of Kansas (the State) to redesignate portions of Saline County, Salina, Kansas (Salina area) to attainment for the 2008 lead National Ambient Air Quality Standards (NAAQS). The EPA's approval of the redesignation request is based on the determination that the Salina area has met the criteria for redesignation to attainment set forth in the Clean Air Act (CAA), including the determination that the area has attained the standard. Additionally, the EPA is granting final approval of the State's…
Rule
Mon, Nov 17, 2025
Environmental Protection Agency
Federal Register summary This regulation establishes tolerances for residues of fluazinam (CASRN 79622-59-6) in or on pear, Asian. Under the Federal Food, Drug, and Cosmetic Act (FFDCA), ISK Biosciences Corporation submitted a petition to EPA requesting that EPA establish a maximum permissible level for residues of this pesticide on in or on the identified commodity.