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Browse 624 rules and proposed rules from the Federal Register.
624
Total Regulations
Showing 331–360 of 624
Page 12 / 21
The Environmental Protection Agency (EPA) is revising the format for materials submitted by the State of California that are incorporated by reference into the California State Implementation Plan (SIP). The regulations and other materials affected by this format change have all been previously submitted by the State of California and approved by the EPA. This format revision will primarily affect the "Identification of plan--in part" sections, as well as the format of the SIP materials that will be available for public inspection at the EPA Regional Office and the National Archives and Records Administration (NARA). This action, which only relates to source- specific requirements and certain local and regional California air district rules, is the fourth of a series of actions intended to change the format for the entire California SIP.
The Environmental Protection Agency (EPA) is proposing to approve a revision to the Alabama State Implementation Plan (SIP) submitted by the Alabama Department of Environmental Management (ADEM) on December 20, 2023. The proposed SIP revision consists of minor changes to certain air permit regulations that have been revised by the State agency since EPA last approved those provisions. EPA is proposing to approve the SIP revision pursuant to the Clean Air Act (CAA or Act).
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Georgia, through the Georgia Environmental Protection Division (GA EPD), on June 27, 2024, seeking to revise a source monitoring and reporting regulation by, among other things, removing the requirement for emissions statements in counties formerly designated as nonattainment for ozone and to revise the permit by rule regulation. EPA is proposing to approve these revisions pursuant to the Clean Air Act (CAA or Act).
The Environmental Protection Agency (EPA) is proposing to approve a revision to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). This revision clarifies definitions used in a rule that limits volatile organic compounds (VOCs) emissions from petroleum solvents used in dry cleaning. We are proposing to approve the rule revisions under the Clean Air Act (CAA or "Act"). We are taking comments on this proposal and plan to follow with a final action.
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)" for an additional 90 days. Specifically, this postponement applies to the conditions imposed on the uses with TSCA exemptions.
The Environmental Protection Agency (EPA) is proposing to approve a regional haze State Implementation Plan (SIP) revision submitted by the Tennessee Department of Environmental Conservation (TDEC), dated February 23, 2022, as satisfying the applicable requirements under the Clean Air Act (CAA or Act) and EPA's Regional Haze Rule (RHR) for the program's second planning period. Tennessee's SIP submission addresses the requirement that states must periodically revise their long-term strategies 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. The SIP submission also addresses other applicable requirements for the second planning period of the regional haze program. EPA is proposing this action pursuant to sections 110 and 169A of the Act.
The U.S. Environmental Protection Agency (EPA, or the Agency) has approved the U.S. Department of Energy's (DOE, or the Department) planned change request to dispose of defense transuranic (TRU) waste in replacement panels 11 and 12 in the Waste Isolation Pilot Plant (WIPP). This decision is based on a thorough review of information submitted by DOE, independent technical analyses, and public comments. EPA found that DOE demonstrated that the use of two replacement waste panels to replace lost waste disposal volume in panels 1, 7, and 9, would provide a reasonable expectation of the WIPP remaining in compliance with the 10,000-year release limits set by the "Environmental Standards for the Management and Disposal of Spent Nuclear Fuel, High-Level and Transuranic Radioactive Wastes" at 40 CFR part 191.
This regulation establishes a tolerance action for residues of mandipropamid in or on papaya. Under the Federal Food, Drug, and Cosmetic Act (FFDCA), Syngenta Crop Protection, LLC submitted a petition to EPA requesting that EPA establish a maximum permissible level for residues of this pesticide in or on the identified commodities.
On July 31, 2025, the Environmental Protection Agency (EPA) promulgated amendments to compliance dates within the interim final rule titled Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review Final Rule, On July 3, 2025, the EPA promulgated amendments to compliance dates in the National Emission Standards for Hazardous Air Pollutants for Integrated Iron and Steel Manufacturing Facilities (Integrated Iron and Steel Manufacturing) through an interim final rule. On July 8, 2025, the EPA promulgated amendments to the compliance dates in the National Emission Standards for Hazardous Air Pollutants for Coke Ovens: Pushing, Quenching, and Battery Stacks, and Coke Oven Batteries (Coke Ovens) through an interim final rule. The EPA received requests to schedule public hearings for each of these interim final rules. Given the public interest in these rules and to further public participation, the EPA is granting these requests and will hold the public hearings via virtual platform. The public hearing for Oil and Natural Gas will be held on September 2, 2025. The public hearing for Integrated Iron and Steel Manufacturing will be held on September 3, 2025. The public hearing for Coke Ovens September 4, 2025. In addition, the EPA is extending the deadlines for written comments listed in the interim final rules to October 1, 2025, for Oil and Natural Gas, October 2, 2025, for Integrated Iron and Steel Manufacturing, and to October 6, 2025, for Coke Ovens. The EPA will consider submitted comments and address them as appropriate. See table 1 below for a summary of the aforementioned:
The Environmental Protection Agency (EPA) is proposing to approve separate but related State Implementation Plan (SIP) revisions submitted by the North Carolina Division of Air Quality (NCDAQ). First, EPA is proposing to approve a SIP revision submitted by NCDAQ on behalf of the State of North Carolina on October 27, 2023, to remove certain exemptions available at the discretion of a State official for emissions exceeding otherwise applicable SIP emission limitations. Second, EPA is proposing to approve a SIP revision submitted by NCDAQ on behalf of Mecklenburg County Air Quality (MCAQ or Mecklenburg County) on October 25, 2023, to remove a parallel local exemption analogous to the State's for emissions exceeding otherwise applicable SIP emission limitations. In addition, EPA is proposing to approve minor and administrative changes to certain regulatory provisions that have been revised by the State and Mecklenburg County since EPA's last approval of those provisions. EPA is proposing to approve these SIP revisions pursuant to the Clean Air Act (CAA or Act).
On August 1, 2025, the Environmental Protection Agency (EPA) published a proposed rule titled "Reconsideration of 2009 Endangerment Finding and Greenhouse Gas Vehicle Standards." EPA is extending the comment period for this proposed rule.
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Iowa State Implementation Plan (SIP) to include a permit modification for Alter Metal Recycling. This final action will amend the SIP to incorporate revisions to the air construction permit for Alter Metal Recycling included in the State's 2008 Lead (Pb) National Ambient Air Quality Standards (NAAQS) attainment plan for a portion of Council Bluffs, Pottawattamie County, IA. These revisions do not impact the stringency of the SIP or have an adverse effect on air quality. The EPA's approval of this revision is being done in accordance with the requirements of the Clean Air Act (CAA).
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted through the Georgia Environmental Protection Division (GA EPD) on July 18, 2024, regarding updates to the State's Cross-State Air Pollution Rule (CSAPR) emissions trading programs. The SIP revision incorporates by reference (IBRs) certain amendments EPA has made to the regulations for the Federal CSAPR trading programs for annual emissions of nitrogen oxides (NO<INF>X</INF>) and sulfur dioxide (SO<INF>2</INF>) and the Federal CSAPR trading program for NO<INF>X</INF> emissions during the ozone season from May 1 to September 30, all three of which apply to large electric generating units (EGUs). EPA created these Federal trading programs in 2011 as market-based mechanisms for Georgia and certain other states to address their obligations to downwind states under the Clean Air Act's (CAA's) good neighbor provision with respect to the national ambient air quality standards (NAAQS) for fine particulate matter (PM<INF>2.5</INF>) and ground-level ozone. The SIP revision also updates the definition for "Volatile Organic Compound." EPA is proposing to approve Georgia's July 18, 2024, SIP revision because it is consistent with EPA's good neighbor CSAPR trading programs and the CAA.
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the North Carolina Division of Environmental Quality (NCDEQ), Division of Air Quality (DAQ) on November 28, 2023, for the purpose of revising regulations that establish sulfur dioxide (SO<INF>2</INF>) emission limits and compliance parameters for SO<INF>2</INF>-emitting combustion sources in the State. EPA is proposing to approve these changes pursuant to the Clean Air Act (CAA or Act) and EPA regulations.
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Rhode Island. This revision removes requirements for Stage II vapor recovery equipment at gasoline dispensing facilities (GDFs). This revision also includes minor updates to Stage I vapor recovery regulatory amendments. The intended effect of this action is to propose approval of Rhode Island's revised vapor recovery regulations. This action is being taken under the Clean Air Act.
The Environmental Protection Agency (EPA) is proposing to find that the Detroit, Michigan area is attaining the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS) and to act in accordance with a request from Michigan to redesignate the area to attainment for the 2010 SO<INF>2</INF> NAAQS, because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). EPA is also proposing to approve Michigan's maintenance plan for the Detroit area. Michigan submitted the request for approval of the Detroit nonattainment area's redesignation and maintenance plan on May 5, 2025. EPA approved Michigan's attainment plan for the Detroit area on May 19, 2025.
The Environmental Protection Agency (EPA) is determining that the Huntington County, Indiana nonattainment area failed to attain the 2010 Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS) by the applicable attainment date of April 9, 2023. EPA is also approving revisions into the Indiana State Implementation Plan (SIP) intended to provide for attainment of the 2010 SO<INF>2</INF> NAAQS for the Huntington County nonattainment area. These SIP revisions include Indiana's attainment demonstration and other planning elements required under the Clean Air Act (CAA), and an order issued by the Commissioner of the Indiana Department of Environmental Management containing enforceable emission limits. Further, EPA is determining that the provisions of Indiana's SIP submittal adequately provide for attainment of the NAAQS and that the plan meets all other applicable CAA requirements. EPA proposed to approve this action on June 18, 2025, and received no adverse comments.
The Environmental Protection Agency (EPA) is approving portions of the comprehensive State Implementation Plan (SIP) revisions submitted by New York State that certify that the State has satisfied the requirements for an emission statement program for both the Serious and Moderate classifications of the 2008 and 2015 ozone National Ambient Air Quality Standards (NAAQS), respectively. These actions are being taken in accordance with the requirements of the Clean Air Act (CAA). The EPA proposed to approve this SIP revision on May 8, 2025, and received no comments.
The Environmental Protection Agency (EPA) is approving and incorporating by reference into the Oregon State Implementation Plan (SIP) the Lane Regional Air Protection Agency (LRAPA) revised outdoor burning rule revisions submitted by the Oregon Department of Environmental Quality (ODEQ) on July 1, 2024, in coordination with LRAPA. The revised rule, applicable in Lane County, Oregon, clarifies terminology, revises formatting, and expands the residential outdoor burning season to allow burning of woody yard trimmings on approved burn days within Lowell city limits from October 1 through June 15. The ODEQ included in the submittal a technical demonstration that the requested expansion of the residential outdoor burning season will not interfere with attainment and maintenance of the NAAQS and other applicable Clean Air Act (CAA) requirements. The EPA is approving these revisions because they meet the applicable requirements of the Clean Air Act.
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) submitted by the Missouri Department of Natural Resources (MoDNR) on November 14, 2018. MoDNR requested that the EPA remove from its SIP two rules related to control of emissions of nitrogen oxides (NO<INF>X</INF>). One of the rules previously applied to electricity generating units (EGUs) and certain non-EGUs in a portion of the state and the other rule previously applied to EGUs throughout the entire state. The EPA has already approved a SIP revision that included provisions to sunset the two rules, and removal of the now-sunsetted rules from the SIP would not have an adverse effect on air quality. The EPA's approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).
The Environmental Protection Agency (EPA or the Agency) issued a Federal Register document on May 16, 2025, proposing to approve the North Dakota Coal Combustion Residuals (CCR) partial permit program under the Resource Conservation and Recovery Act (RCRA). EPA is reopening the comment period to propose its intention to approve additional revisions to the North Dakota CCR permit program which, if finalized, will provide North Dakota with additional authority to implement a State CCR permit program. The Agency is reopening the comment period to accept comments on the proposed revisions and EPA's evaluation of the changes.
On February 5, 2019, the Environmental Protection Agency (EPA or Agency) proposed tolerance and tolerance exemption actions for several pesticides under the Federal Food, Drug, and Cosmetic Act (FFDCA). EPA is issuing this supplemental notice of proposed rulemaking to modify the previously proposed tolerance exemptions for one of those pesticides: maleic hydrazide.
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Colorado through the Colorado Department of Public Health and Environment (CDPHE) on May 16, 2022. The revision includes changes to the Colorado Air Quality Control Commission's Regulation Number 11, "Motor Vehicle Emissions Inspection Program." The submitted changes constitute a revision to Colorado's vehicle inspection and maintenance (I/M) SIP. Colorado's I/M SIP revision includes several minor clerical and typographical revisions. The I/M SIP revision also streamlines the visual inspection procedures used on subject vehicles in obtaining I/M program emissions certification compliance and vehicle registration renewal. CDPHE also submitted revisions to its I/M program regulations which were marked as "state only" revisions and not meant for EPA consideration. The EPA is not acting upon these state-only changes in this action.
The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Oregon State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by Oregon and approved by the EPA. In this final rule, the EPA is also notifying the public of corrections and clarifying changes in the Code of Federal Regulations (CFR) tables that identify the materials incorporated by reference into the Oregon SIP. This update affects the materials that are available for public inspection at the National Archives and Records Administration (NARA) and the EPA Regional Office.
The Environmental Protection Agency (EPA) is proposing to approve the request to redesignate portions of Saline County, Salina, Kansas to attainment for the 2008 lead National Ambient Air Quality Standards (NAAQS). The EPA's proposed 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 proposing to approve the State's plan for maintaining the 2008 lead NAAQS in the Salina area for ten years beyond redesignation.
The Environmental Protection Agency (EPA) is proposing to approve the addition of Director's Final Findings and Orders (DFFOs) issued by the Ohio Environmental Protection Agency (Ohio EPA) to Carmeuse Lime, Inc. into the Ohio State Implementation Plan (SIP) for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). The DFFOs establish a new emissions limit for SO<INF>2</INF> emissions from the combined lime kiln stack that receives and emits SO<INF>2</INF> emissions from two rotary lime kilns at the Carmeuse Lime Maple Grove Facility in Seneca County, Ohio.
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Wyoming on December 30, 2022, and supplemented on August 31, 2023, and November 16, 2023, addressing regional haze for Jim Bridger Units 1 and 2 (Wyoming 2022 SIP revision). Wyoming's 2022 SIP revision provides oxides of nitrogen (NO<INF>X</INF>) emission and heat input limits that collectively allow for identical reasonable progress as part of the long term strategy during the first implementation period as the associated emission limits in the existing SIP for Jim Bridger Units 1 and 2. The EPA is also approving monthly and annual NO<INF>X</INF> and sulfur dioxide (SO<INF>2</INF>) emission limits for Jim Bridger Units 1 through 4 that were included in Wyoming's 2022 SIP revision. The EPA is taking this action pursuant to the Clean Air Act (CAA or the Act).
This regulation establishes an exemption from the requirement of a tolerance for residues of ethyl formate in or on citrus (10-10), kiwifruit (fuzzy and hardy), and table grapes when used as a fumigant in accordance with label directions and good agricultural practices. VPTox LLC, submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA) on behalf of Draslovka Services Pty Ltd, requesting an exemption from the requirement of a tolerance. This regulation eliminates the need to establish a maximum permissible level for residues of ethyl formate in or on citrus, crop group 10-10; kiwifruit, fuzzy; kiwifruit, hardy, and grape, table in accordance with the terms of the exemption.
This regulation establishes exemptions from the requirement of a tolerance for residues of the Bacillus thuringiensis Cry1A.2 and Cry1B.2 proteins (hereafter Cry1A.2 and Cry1B.2 proteins) in or on the food and feed commodities of soybean when used as plant-incorporated protectants (PIP) in soybean. Bayer CropScience LP submitted a petition to EPA under the Federal Food, Drug, and Cosmetic Act (FFDCA), requesting these exemptions. This regulation eliminates the need to establish a maximum permissible level for residues of these pesticides when used in accordance with the terms of the exemption.