🌿EPA Updates Washington State Implementation Plan for Air Quality
The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Washington State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by Washington and approved by the EPA. This update affects the materials that are available for public inspection at the National Archives and Records Administration (NARA) and the EPA Regional Office.
Learn More🌬️EPA Proposes Revisions to Georgia SIP for Emissions Requirements
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).
Learn More🚗EPA Finds Adequacy of Emissions Budgets for Klamath Falls
The EPA is notifying the public that we have found the motor vehicle emissions budgets for the Klamath Falls, Oregon 2006 24-hour fine particulate matter standard nonattainment area adequate for transportation conformity purposes. The budgets were submitted on August 20, 2024, as part of Oregon's Klamath Falls Redesignation Request and Maintenance Plan. As a result of our finding, the Klamath Falls area must use these budgets for future transportation conformity determinations.
Learn More🌬️EPA Proposes Redesignation of Muscatine, IA Air Quality Status
The Environmental Protection Agency (EPA) is proposing to redesignate the nonattainment area in Muscatine County, Iowa to attainment for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The EPA is also proposing to approve Iowa's maintenance plan for the 2010 1-hour SO<INF>2</INF> NAAQS for the Muscatine nonattainment area and approve modifications to source-specific permits in the Iowa State Implementation Plan (SIP). The EPA's proposed approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).
Learn More♻️TCE Regulation Postponement
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.
Learn More🧪EPA Notice
This document announces the Agency's receipt of new chemical submissions under the Toxic Substances Control Act (TSCA), including information about the receipt of a Premanufacture Notice (PMN), Significant New Use Notice (SNUN), Microbial Commercial Activity Notice (MCAN), and an amendment to a previously submitted notice; test information; a biotechnology exemption application; an application for a test marketing exemption (TME); and a notice of commencement of manufacture (defined by statute to include import) (NOC) for a new chemical substance. This document also provides a periodic status report on the new chemical substances that are currently under EPA review or have recently concluded review. EPA is hereby providing notice of receipt of this information, as required by TSCA, and an opportunity to comment. This document covers the period from 5/ 1/2025 to 5/31/2025.
Learn More⚠️EPA Approves Replacement Waste Panels at WIPP
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.
Learn More🌱EPA Notice on Pesticide Product Registration and Comments
This document announces the Agency's receipt of and solicits comment on applications to register pesticide products containing active ingredients not included in any currently registered pesticide products. The Agency is providing this notice in accordance with the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). EPA uses the month and year in the title to identify when the Agency complied the applications identified in this notice of receipt. Unit II. of this document identifies certain applications received in 2023 and 2024 that are currently being evaluated by EPA, along with information about each application, including when it was received, who submitted the application, and the purpose of the application.
Learn More🌬️North Carolina Air Quality Regulation
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).
Learn More🚗EPA Extends Comment Period on Greenhouse Gas Vehicle Standards
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.
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