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Protection of the Stratospheric Ozone: Motor Vehicle Air Conditioning System Servicing
The Environmental Protection Agency (EPA) is adopting three technical standards developed by SAE International (SAE) for equipment that recovers, recycles, and/or recharges the refrigerant 2,3,3,3- Tetrafluoroprop-1-ene (HFO-1234yf or R-1234yf) in motor vehicle air conditioners (MVACs). The three standards are SAE J2843, SAE J2851, and SAE...
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South Carolina: Final Approval of State Underground Storage Tank Program Revisions, Codification, and Incorporation by Reference
The State of South Carolina (South Carolina or State) has applied to the Environmental Protection Agency (EPA) for final approval of revisions to its Underground Storage Tank Program (UST Program) under subtitle I of the Resource Conservation and Recovery Act (RCRA or Act). Pursuant to RCRA, the EPA is taking direct final action, subject to...
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Air Plan Approval; Delaware; Nonattainment New Source Review Requirements for 2015 8-Hour Ozone National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC). This SIP revision will fulfill Delaware's nonattainment new source review (NNSR) SIP element requirement for the 2015 8-hour ozone National...
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South Carolina: Final Approval of State Underground Storage Tank Program Revisions, Codification, and Incorporation by Reference
Pursuant to the Resource Conservation and Recovery Act (RCRA or Act), the Environmental Protection Agency (EPA) is proposing to approve revisions to the underground storage tank (UST) program submitted by the State of South Carolina (South Carolina or State). This action is based on the EPA's determination that the State's revisions satisfy all...
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the State College Area
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (PADEP), for maintaining the 1997 8-hour ozone national ambient air quality...
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Air Plan Approval; Wisconsin; Partial Approval and Partial Disapproval of the Rhinelander SO2
The Environmental Protection Agency (EPA) is partially approving and partially disapproving a revision to the Wisconsin State Implementation Plan (SIP) intended to provide for attaining the 2010 primary, health-based 1-hour sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Rhinelander...
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Test Methods and Performance Specifications for Air Emission Sources; Correction
The Environmental Protection Agency (EPA) is correcting a final rule that was published in the Federal Register on October 7, 2020, and was effective on December 7, 2020. The final rule corrected and updated regulations for source testing of emissions. This correction does not change any final action taken by the EPA on October 7, 2020; this...
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Significant New Use Rules on Certain Chemical Substances (20-4.B)
EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances which were the subject of premanufacture notices (PMNs). This action requires persons to notify EPA least 90 days before commencing manufacture (defined by statute to include import) or processing of any of these chemical...
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Air Plan Approval; Arkansas; Regional Haze and Interstate Visibility Transport Federal Implementation Plan; Withdrawal of Federal Implementation Plan Provisions for the Domtar Ashdown Mill
The Environmental Protection Agency (EPA) is taking final action to withdraw the remaining portion of a Federal Implementation Plan (FIP) for Arkansas that was published in the Federal Register on September 27, 2016, which addressed certain regional haze obligations for the first implementation period for the Domtar Ashdown Mill. Specifically,...
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Air Plan Approval; Arkansas; Arkansas Regional Haze and Visibility Transport State Implementation Plan Revisions
Pursuant to the Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is finalizing approval of a revision to the Arkansas State Implementation Plan (SIP) submitted by the State of Arkansas through the Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) on August 13, 2019. The SIP submittal...
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Pesticide Product Performance Data Requirements for Products Claiming Efficacy Against Certain Invertebrate Pests
The Environmental Protection Agency (EPA) is proposing to codify product performance data requirements to support registration of pesticidal products claiming efficacy against three categories of invertebrate pests: Those identified to be of significant public health importance (e.g., ticks, mosquitoes, cockroaches, etc.), wood- destroying...
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Air Plan Approval; Michigan; Partial Approval and Partial Disapproval of the Detroit SO2
The Environmental Protection Agency (EPA) is partially approving and partially disapproving a revision to the Michigan State Implementation Plan (SIP) for attaining the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Detroit SO<INF>2</INF> nonattainment area (NAA). This...
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Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; California; South Coast Moderate Area Plan and Reclassification as Serious Nonattainment for the 2012 PM2.5
On November 9, 2020, the Environmental Protection Agency (EPA) issued a final rule titled ``Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; California; South Coast Moderate Area Plan and Reclassification as Serious Nonattainment for the 2012 PM<INF>2.5</INF> NAAQS.'' That publication...
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Federal Aluminum Aquatic Life Criteria Applicable to Oregon
The Environmental Protection Agency (EPA or Agency) is promulgating Federal criteria for fresh waters in the State of Oregon that are jurisdictional under the Clean Water Act (CWA) to protect aquatic life from the effects of exposure to harmful levels of aluminum. EPA disapproved of Oregon's freshwater acute and chronic aluminum criteria in...
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State of Michigan Underground Injection Control (UIC) Class II Program; Primacy Approval
The U.S. Environmental Protection Agency (EPA or Agency) is taking direct final action to approve the State of Michigan's Underground Injection Control Class II (UIC) Program for primacy. EPA has determined that the State's program is consistent with the provisions of the Safe Drinking Water Act (SDWA) at Section 1425 to prevent underground...
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Air Plan Approval; Nebraska; Revisions to Title 115 of the Nebraska Administrative Code; Rules of Practice and Procedure
The Environmental Protection Agency (EPA) is proposing to approve revisions to the State Implementation Plan (SIP) submitted by the State of Nebraska on September 24, 2020. This proposed action will amend the SIP to revise title 115 of the Nebraska Administrative Code ``Nebraska Rules of Practice and Procedure.'' Title 115 describes the...
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Air Plan Approval; Missouri; Removal of Control of Emissions From Solvent Cleanup Operations
The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on January 15, 2019, and supplemented by letter on June 14, 2019. Missouri requests that the EPA remove a rule related to control of emissions from the solvent cleanup operations in the Kansas...
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Clean Water Act Effluent Limitations Guidelines and Standards for the Organic Chemicals, Plastics and Synthetic Fibers Point Source Category
The U.S. Environmental Protection Agency (EPA or Agency) is initiating further data collection and analysis to support potential future rulemaking, under the Clean Water Act (CWA), relating to the effluent limitations guidelines, pretreatment standards and new source performance standards applicable to the Organic Chemicals, Plastics and...
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Rescission of the Source-Specific Federal Implementation Plan for Navajo Generating Station, Navajo Nation
The Environmental Protection Agency (EPA) is proposing to rescind the federal implementation plan (FIP) that regulates emissions from the Navajo Generating Station (NGS), a coal-fired power plant that was located on the reservation lands of the Navajo Nation near Page, Arizona. NGS permanently ceased operations on November 18, 2019, and the...
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Air Plan Approval; Texas; Revisions to the Texas Diesel Emissions Reduction Incentive Program
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to approve a revision to the Texas State Implementation Plan (SIP) that pertains to the Texas Diesel Emissions Reduction Incentive Program, submitted on August 13, 2020.