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Browse 622 rules and proposed rules from the Federal Register.
622
Total Regulations
Showing 121–150 of 622
Page 5 / 21
The Environmental Protection Agency (EPA) is taking final action to approve portions of the state implementation plan (SIP) revisions submitted by the State of Arizona pursuant to the Clean Air Act (CAA) for the implementation, maintenance, and enforcement of the 2012 fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS or "standards") as proposed, except for certain requirements related to prevention of significant deterioration (PSD), which EPA will defer action on until a later date. In addition, the EPA is approving regulatory provisions into the Arizona SIP and is amending regulatory text to include La Paz County as part of Mohave- Yuma Intrastate air quality control region (AQCR).
The Environmental Protection Agency (EPA) is approving updates to the Code of Federal Regulations that reflect Oklahoma's current New Source Performance Standards (NSPS) delegation status and the mailing address for the Oklahoma Department of Environmental Quality (ODEQ). The ODEQ submitted updated regulations for receiving delegation of EPA authority for implementation and enforcement of certain NSPS. The updated State regulations incorporate by reference certain NSPS promulgated by EPA, as they existed through June 30, 2023. The delegation of authority for implementation and enforcement applies to sources subject to the delegated NSPS, including those located in certain areas of Indian country as discussed herein.
This document announces the Agency's receipt of and solicits public comment on initial filings of pesticide petitions requesting the establishment or modification of regulations for residues of pesticide chemicals in or on various commodities. The Agency is providing this notice in accordance with the Federal Food, Drug, and Cosmetic Act (FFDCA). EPA uses the month and year in the title to identify when the Agency compiled the petitions identified in this notice of filing. Unit II. of this document identifies certain petitions received in 2024 and 2025 that are currently being evaluated by EPA, along with information about each petition, including who submitted the petition and the requested action.
This regulation establishes an exemption from the requirement of a tolerance for residues of the SpCas9 protein in or on the food and feed commodities of citrus when used as a plant-incorporated protectant (PIP) in citrus. Soil Culture Solutions LLC (d/b/a Soilcea) submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of SpCas9 protein.
This document announces the Agency's receipt of and solicits public comment on initial filings of pesticide petitions requesting the establishment or modification of regulations for residues of pesticide chemicals in or on various commodities. The Agency is providing this notice in accordance with the Federal Food, Drug, and Cosmetic Act (FFDCA). EPA uses the month and year in the title to identify when the Agency compiled the petitions identified in this notice of filing. Unit II. of this document identifies certain petitions received in 2024 and 2025 that are currently being evaluated by EPA, along with information about each petition, including who submitted the petition and the requested action.
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOC) from solvent cleaning activities and architectural coatings and emissions of particulate matter (PM) from incinerators, burn-off ovens, and crematories. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or "Act").
The Environmental Protection Agency (EPA or Agency) is proposing to implement several tolerance actions under the Federal Food, Drug, and Cosmetic Act (FFDCA) that the Agency determined were necessary or appropriate during the registration review conducted under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). During registration review, EPA reviews all aspects of a pesticide case, including existing tolerances, to ensure that the pesticide continues to meet the standard for registration under FIFRA. The pesticide tolerances and active ingredients addressed in this rulemaking are identified and discussed in detail in Unit III. of this document.
The Environmental Protection Agency (EPA) is proposing to approve a revision to the San Joaquin Valley Air Pollution Control District (SJVAPCD or "District") portion of the California State Implementation Plan (SIP) concerning two rules submitted to address section 185 of the Clean Air Act (CAA or the "Act") with respect to the 2008 and 2015 ozone national ambient air quality standards (NAAQS or "standards"). We are taking comments on this proposal and plan to follow with a final action.
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 statutory and regulatory requirements for Enhanced inspection and maintenance (I/ M) programs under the Clean Air Act (CAA) and would interfere with attainment and reasonable further progress toward the 2015 ozone National Ambient Air Quality Standards (NAAQS).
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the South Coast Air Quality Management District (SCAQMD) portion of the California State Implementation Plan (SIP) concerning a rule submitted to address section 185 of the Clean Air Act (CAA or "Act") with respect to the 1997 and 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS or "standard").
The Environmental Protection Agency (EPA) previously approved State Implementation Plan (SIP) revisions submitted by the State of Connecticut under the Clean Air Act (CAA) to address moderate area nonattainment requirements for the 2008 ozone standard for the Greater Connecticut and the Connecticut portion of the New York-Northern New Jersey-Long Island, NY-NJ-CT moderate ozone nonattainment areas. This rule does not change those previous EPA approvals; it merely corrects an error inadvertently introduced in a November 30, 2022, final rule by reinserting reference to EPA's previous approval of Connecticut's motor vehicle inspection and maintenance program certifications.
The Environmental Protection Agency (EPA) is approving a regional haze State Implementation Plan (SIP) revision submitted by Tennessee Department of Environmental Conservation (TDEC), dated February 23, 2022, ("Haze Plan" or "2022 Plan"), as satisfying applicable requirements under the Clean Air Act (CAA or Act) and EPA's Regional Haze Rule (RHR) for the regional haze program's second planning period. Tennessee's SIP submission addresses the requirement that states must periodically revise their long-term strategies (LTSs) for making reasonable progress toward the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas (hereinafter referred to as "Class I areas"). The SIP submission also addresses other applicable requirements for the second planning period of the regional haze program. EPA is taking this action pursuant to sections 110 and 169A of the Act.
The Environmental Protection Agency (EPA) is approving a regional haze State Implementation Plan (SIP) revision submitted by the State of South Carolina on March 3, 2022 (hereinafter referred to as "Haze Plan"), as satisfying applicable requirements under the Clean Air Act ("CAA" or "Act") and EPA's Regional Haze Rule (RHR) for the regional haze program's second planning period. South Carolina's SIP submission was submitted to address the requirement that states must periodically revise their long-term strategies (LTSs) for making reasonable progress toward the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas (hereinafter referred to as "Class I areas"). This SIP submission also addresses other applicable requirements for the second planning period of the regional haze program. EPA is taking this action pursuant to sections 110 and 169A of the Act.
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 (SO<INF>2</INF>). The Ohio Environmental Protection Agency (Ohio EPA) submitted Director's Findings and Orders that establish a new emission limit for SO<INF>2</INF> 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.
The Environmental Protection Agency (EPA) is taking final action to fully approve the Arizona Department of Environmental Quality's (ADEQ or "State") portion of the Arizona State Implementation Plan (SIP) under the Clean Air Act (CAA or "the Act") that addresses Nonattainment New Source Review (NNSR) permitting for precursor emissions from major stationary sources for purposes of the 1987 PM<INF>10</INF> National Ambient Air Quality Standards (NAAQS or standard) in the West Pinal PM<INF>10</INF> nonattainment area.
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Michigan State Implementation Plan (SIP) as meeting the reasonable further progress (RFP) requirements of the Clean Air Act (CAA) for the Allegan County (partial county), Berrien County, and Muskegon County (partial county) Moderate nonattainment areas for the 2015 ozone national ambient air quality standard (NAAQS). EPA is also proposing to approve updated 2017 base year emissions inventories and is initiating the adequacy process and proposing approval of the 2023 motor vehicle emissions budgets (budgets) associated with the Allegan County, Berrien County, and Muskegon County Moderate ozone nonattainment RFP demonstrations. EPA is proposing to approve these portions of the State's SIP submission pursuant to section 110 and part D of the CAA, and EPA's regulations.
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia's (Commonwealth or Virginia) Department of Environmental Quality (VADEQ). This revision pertains to an amendment to an operating permit limiting visibility-impairing air emissions from the GP Big Island, LLC pulp and paper mill facility in Bedford County, Virginia. The EPA is proposing to include this amended operating permit in Virginia's SIP. This proposed action is being taken under the Clean Air Act (CAA).
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This revision proposes to approve a revised reasonable available control technology (RACT) order for Hutchinson Sealing Systems, Inc., located in Newfields, New Hampshire. This action is being taken under the Clean Air Act.
The Environmental Protection Agency (EPA) is proposing to grant, with conditions, no-migration variances for nine categories/ groups of wastes, containing up to a combined 100 temporary disposal units ("put piles") at any one time, from the Resource Conservation and Recovery Act (RCRA) Land Disposal Restrictions (LDR) standards at Clean Harbors' Lone Mountain (Clean Harbors) commercial treatment, storage and disposal facility (TSDF) in Waynoka, Oklahoma. These variances will allow Clean Harbors to temporarily store treated hazardous wastes that are awaiting LDR compliance verification in put piles within its Subtitle C (hazardous waste) landfill. The petitioner demonstrated, to a reasonable degree of certainty, that there will be no migration of hazardous constituents from the put piles for as long as the wastes remain hazardous. Additionally, once LDR compliance is verified, the put piles will be disposed within the onsite RCRA hazardous waste landfill area and will be subject to the conditions set out in the Compliance Monitoring Plan section of this document.
This regulation establishes a tolerance for residues of azoxystrobin in or on black pepper. Under the Federal Food, Drug, and Cosmetic Act (FFDCA), the American Spice Trade Association (ASTA) submitted a petition to EPA requesting that EPA establish a maximum permissible level for residues of this pesticide in or on the identified commodity.
The U.S. Environmental Protection Agency (EPA) is rescinding the interim final rule (IFR) titled "National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks, and Coke Oven Batteries; Residual Risk and Technology Review, and Periodic Technology Review," published July 8, 2025. This rescission of the IFR effectively reinstitutes the compliance deadlines set forth in the 2024 final rule revising the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the coke ovens source category, published July 5, 2024.
The Environmental Protection Agency (EPA) is approving the regional haze State Implementation Plan (SIP) revisions submitted by the Texas Commission on Environmental Quality (TCEQ or Texas), dated March 20, 2014, and July 20, 2021, as satisfying applicable requirements under the Clean Air Act (CAA or Act) and EPA's Regional Haze Rule (RHR). Additionally, the EPA is approving portions of the 2009 Texas Regional Haze SIP submission and portions of the 2010 Oklahoma Regional Haze SIP submission that relate to reasonable progress requirements for the first planning period from 2007 through 2018. The EPA is taking these actions pursuant to sections 110 and 169A of the Act.
The U.S. Environmental Protection Agency (EPA or Agency) is taking final action to respond to comments on an interim final rule (IFR) related to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Integrated Iron and Steel Manufacturing Facilities ("II&S NESHAP"). Specifically, the EPA is responding to comments on the IFR published in the Federal Register on July 3, 2025, that revised compliance deadlines for certain provisions related to planned bleeder valve openings, unplanned bleeder valve openings, blast furnace (BF) casthouses, basic oxygen process furnace (BOPF) shops, slag processing and handling, beaching, and fenceline monitoring. After carefully considering the comments, the EPA concludes that the amendments made in the IFR are warranted and is not making any further changes to the compliance deadlines revised in the IFR.
The U.S. Environmental Protection Agency (EPA) is taking final action to respond to comments on an interim final rule (IFR) related to the new source performance standards (NSPS) and emissions guidelines (EG) for crude oil and natural gas facilities established at 40 CFR part 60, subparts OOOOb and OOOOc. Specifically, the EPA is responding to comments on the IFR published in the Federal Register on July 31, 2025, that extended deadlines for certain provisions related to control devices, equipment leaks, storage vessels, process controllers, and covers/closed vent systems; extended the date for future implementation of the Super Emitter Program (SEP); and extended the State plan submittal deadline in OOOOc. After carefully considering comments received and testimony provided at a public hearing, the EPA concludes that the amendments made in the IFR are warranted and is making further changes to the compliance deadlines in the IFR related to net heating value (NHV) monitoring and the initial reporting deadline.
Due to the receipt of adverse comments on this action, the EPA is withdrawing the direct final rule "Environmental Protection Agency Acquisition Regulation (EPAAR); Special Contracting Methods; Options; Contracts," published on September 22, 2025.
This document announces the Agency's receipt of and solicits public comment on initial filings of pesticide petitions requesting the establishment or modification of regulations for residues of pesticide chemicals in or on various commodities. The Agency is providing this notice in accordance with the Federal Food, Drug, and Cosmetic Act (FFDCA). EPA uses the month and year in the title to identify when the Agency compiled the petitions identified in this notice of filing. Unit II. of this document identifies certain petitions received in 2024, that are currently being evaluated by EPA, along with information about each petition, including who submitted the petition and the requested action.
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision (Revision B23) submitted by the Commonwealth of Virginia. The revision seeks to remove two existing stationary sources regulations, emission standards for petroleum refinery operations and emissions standards for large appliance coating application systems, from Virginia's SIP as there are no longer any applicable sources in Virginia. This action is being taken under the Clean Air Act (CAA).
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 their currently scheduled retirement date.
Because the U.S. Environmental Protection Agency (EPA) received adverse comment, it is withdrawing the direct final rule entitled, "Effluent Limitations Guidelines and Standards for the Steam Electric Power Generating Point Source Category--Initial Notification Date Extension," published in the Federal Register on October 2, 2025.
The Environmental Protection Agency (EPA) is approving a regional haze state implementation plan (SIP) revision submitted by the State of Montana on August 10, 2022 (Montana's 2022 SIP submission), as satisfying applicable requirements under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the program's second implementation period. The EPA is also finalizing approval of the prong 4 visibility portion of Montana's October 1, 2018, Infrastructure SIP submission for the 2015 ozone National Ambient Air Quality Standard (NAAQS). The EPA is taking this action pursuant to the CAA.