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Approval and Promulgation of Implementation Plans; Montana; Butte PM10
The Environmental Protection Agency (EPA) is proposing to fully approve the Limited Maintenance Plan (LMP) submitted by the State of Montana to EPA on March 23, 2020, for the Butte Moderate nonattainment area (NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) and...
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Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Regional Haze State Implementation Plan for the Second Implementation Period and Reasonably Available Control Technology for Major Stationary Sources of Nitrogen Oxides; Technical Amendment
The Environmental Protection Agency (EPA) is proposing to approve the regional haze state implementation plan (SIP) submitted by the District of Columbia (``the District'' or ``DC'') through the Department of Energy and Environment (DOEE) on November 8, 2019, as satisfying applicable requirements under the Clean Air Act (CAA) and EPA's Regional...
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Air Quality Designations for the 2010 Sulfur Dioxide (SO2
The Environmental Protection Agency (EPA) is withdrawing the initial nonattainment designation for portions of the Outagamie County, Wisconsin, area for the 2010 sulfur dioxide (SO<INF>2</INF>) primary National Ambient Air Quality Standard (NAAQS) and is finalizing a designation of attainment/unclassifiable for the area. The EPA Administrator...
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Air Plan Approval; Ohio; Ohio Permit Fee Rule Removal
The Environmental Protection Agency (EPA) is proposing to approve under the Clean Air Act (CAA), a revision to Ohio's State Implementation Plan (SIP), submitted by the Ohio Environmental Protection Agency (OEPA) on November 12, 2020 and supplemented on February 11, 2021. OEPA is requesting to remove the Ohio Administrative Code (OAC) Permit Fees...
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National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review; Correction
The U.S. Environmental Protection Agency (EPA) published a final rule in the Federal Register on March 26, 2020, to complete the residual risk and technology review (RTR) for the Municipal Solid Waste (MSW) Landfills source category as regulated under national emission standards for hazardous air pollutants (NESHAP). The final rule also made...
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Air Plan Approval; ID; 2010 Sulfur Dioxide NAAQS Interstate Transport Requirements
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) submission from the State of Idaho (Idaho or the State) that addresses the Clean Air Act (CAA or Act) interstate transport requirements for the 2010 1-hour Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). In this action, EPA is...
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Designation of Areas for Air Quality Planning Purposes; California; San Diego County Ozone Nonattainment Area; Reclassification to Severe
Under the Clean Air Act (CAA or Act), the Environmental Protection Agency (EPA) is proposing to approve a request from the State of California to reclassify the San Diego County ozone nonattainment area from ``Serious'' to ``Severe'' for the 2008 ozone National Ambient Air Quality Standards (NAAQS) and from ``Moderate'' to ``Severe'' for the...
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Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5
On November 6, 2020, the Environmental Protection Agency (EPA) published a notice of proposed rulemaking to approve redesignation of the Salt Lake City, Utah and Provo, Utah nonattainment areas (NAAs) to attainment for the 2006 24-hour fine particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns...
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Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; New Mexico and Albuquerque-Bernalillo County, New Mexico; Control of Emissions From Existing Other Solid Waste Incineration Units
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is notifying the public that we have received CAA section 111(d)/129 negative declarations from New Mexico and Albuquerque-Bernalillo County, New Mexico, for existing incinerators subject to the Other Solid Waste Incineration units (OSWI) emission...
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Air Plan Approval; California; Antelope Valley Air Quality Management District, East Kern Air Pollution Control District, and Yolo-Solano Air Quality Management District; Combustion Sources
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Antelope Valley Air Quality Management District (AVAQMD), East Kern Air Pollution Control District (EKAPCD), and Yolo-Solano Air Quality Management District (YSAQMD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of...
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Air Plan Approval; OR; Updates to Adoption by Reference of Federal Provisions
The Environmental Protection Agency (EPA) is proposing to approve a revision to the Oregon State Implementation Plan (SIP) submitted on January 29, 2021. The revision updates the date by which Federal provisions are adopted by reference into the Oregon SIP, making air quality requirements more current.
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Air Plan Approval; Rhode Island; Control of Volatile Organic Compound Emissions
The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of Rhode Island. These revisions update Rhode Island air pollution control regulations for volatile organic compound (VOC) emissions from consumer products and architectural and industrial maintenance coatings. The intended...
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Extension of 2019 and 2020 Renewable Fuel Standard Compliance and Attest Engagement Reporting Deadlines
The Environmental Protection Agency (EPA) is finalizing modifications of certain compliance dates under the Renewable Fuel Standard (RFS) program. First, EPA is extending the RFS compliance deadline for the 2019 compliance year and the associated deadline for submission of attest engagement reports for the 2019 compliance year for small...
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Approval and Promulgation of Implementation Plans; North Dakota; Revisions to Air Pollution Control Rules; Regional Haze
The Environmental Protection Agency (EPA) is proposing to approve a revision to the North Dakota State Implementation Plan (SIP) submitted by the State of North Dakota on November 11, 2016 and supplemented on March 15, 2021, that addresses amendments to the regional haze provisions of the North Dakota Administrative Code (NDAC). These revisions...
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Approval and Promulgation of Implementation Plans; Utah; 2017 Base Year Inventories for the 2015 8-Hour Ozone National Ambient Air Quality Standard for the Uinta Basin, Northern Wasatch Front and Southern Wasatch Front Nonattainment Areas
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the State of Utah. The revision fulfills the base year inventory requirement for the 2015 8-hour ozone national ambient air quality standard (NAAQS) for the Uinta Basin, Northern Wasatch Front, and Southern Wasatch Front...
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Air Plan Approval; West Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the West Virginia Portion of the Wheeling, WV-OH Area Comprising Marshall and Ohio Counties
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the West Virginia Department of Environmental Protection (WVDEP) on behalf of the State of West Virginia (WV). This revision pertains to West Virginia's plan for maintaining the 1997 8-hour ozone national ambient air quality standard...
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Approval and Promulgation of Air Quality Implementation Plans; Delaware; Emissions Statement Certification for the 2015 Ozone National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision formally submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC). Under the Clean Air Act (CAA), a state's SIP must include an emission statement regulation that requires stationary sources in ozone...
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Air Plan Approval; Texas; Interstate Visibility Transport
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is disapproving elements of two State Implementation Plan (SIP) submissions from the State of Texas for the 2012 PM<INF>2.5</INF> National Ambient Air Quality Standard (NAAQS) and the 2015 Ozone NAAQS. These submittals address how the existing SIP...
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Partial Approval and Partial Disapproval of Air Quality State Implementation Plans; California; Infrastructure Requirements for Ozone
The Environmental Protection Agency (EPA) is taking final action to partially approve and partially disapprove the state implementation plan (SIP) revisions submitted by the State of California pursuant to the requirements of the Clean Air Act (CAA or ``Act'') for the implementation, maintenance, and enforcement of the 2015 national ambient air...
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Approval and Promulgation of State Plans for Designated Facilities and Pollutants; South Dakota; Control of Emissions From Existing Municipal Solid Waste Landfills
The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA or the ``Act'') section 111(d) state plan submitted by the South Dakota Department of Environment and Natural Resources (DENR or the ``Department'') on January 3, 2020. This plan was submitted to fulfill the requirements of the CAA and is responsive to the EPA's...