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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 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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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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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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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...