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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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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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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 Quality Designations for the 2010 Primary Sulfur Dioxide (SO2
This final rule establishes the initial air quality designations for certain areas in the United States (U.S.) for the 2010 primary sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The Environmental Protection Agency (EPA) is designating the areas as either nonattainment, attainment/ unclassifiable, or...
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Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Southwest Indiana Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is redesignating the Southwest Indiana nonattainment area, which consists of a portion of Daviess County and a portion of Pike County (Veale Township in Daviess County and Washington Township in Pike County), to attainment for the 2010 primary, health- based...
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Approval and Promulgation of Implementation Plans; State of Utah; Logan, Utah-Idaho PM2.5
The Environmental Protection Agency (EPA) is proposing to approve the request by the State of Utah to redesignate the Logan, Utah-Idaho (UT-ID) nonattainment area (NAA) (``Logan NAA'') to attainment status for particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>), and to approve related...
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Air Plan Approval; ID: Logan Utah-Idaho PM2.5
The Environmental Protection Agency (EPA) is proposing to redesignate the Idaho portion of the Logan, Utah-Idaho fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Logan UT-ID NAA) to attainment for the 2006 PM<INF>2.5</INF> National Ambient Air Quality Standard (NAAQS). EPA is also proposing to approve a maintenance plan for the...
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Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5
The Environmental Protection Agency (EPA) is proposing the 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 (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS), and...
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Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Southwest Indiana Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act, the Environmental Protection Agency (EPA) is proposing to redesignate the Southwest Indiana nonattainment area, which consists of a portion of Daviess County and a portion of Pike County (Veale Township in Daviess County and Washington Township in Pike County), to attainment for the 2010 primary,...
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PM10
The Environmental Protection Agency (EPA) is taking final action to approve the ``Imperial County 2018 Redesignation Request and Maintenance Plan for Particulate Matter Less Than 10 Microns in Diameter (PM<INF>10</INF>) '' (``Imperial PM<INF>10</INF> Plan'') as a revision to the California state implementation plan (SIP). The Imperial...
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Finding of Failure To Attain the 2006 24-Hour Fine Particulate Matter Standards; California; Los Angeles-South Coast Air Basin
The Environmental Protection Agency (EPA) has determined that the Los Angeles-South Coast Air Basin nonattainment area failed to attain the 2006 24-hour fine particulate matter (``PM<INF>2.5</INF>'') national ambient air quality standards by the December 31, 2019 ``Serious'' area attainment date. This determination is based on ambient air...
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Air Plan Approval; Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Morgan County Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is redesignating the Morgan County nonattainment area, which consists of Clay and Washington Townships in Morgan County, Indiana, to attainment for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). EPA is also approving...
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Oil and Gas Resources
The U.S. Department of Agriculture (USDA), Forest Service (Agency) is proposing revisions to its regulations governing Federal oil and gas resources on National Forest System lands. The Agency proposes these revisions to update and modernize its existing regulations. In addition, conforming technical amendments to other parts of the Code of...
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Maintenance Plan and Redesignation Request for the Ajo PM10
The Environmental Protection Agency (EPA) is taking final action to approve the ``Ajo PM<INF>10</INF> Redesignation Request and Maintenance Plan (May 3, 2019)'' (``Ajo PM<INF>10</INF> Maintenance Plan'' or ``Plan'') as a revision to the state implementation plan (SIP) for the State of Arizona. The Ajo PM<INF>10</INF> Maintenance Plan includes,...
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Air Plan Approval; Minnesota; Revision to the Minnesota State Implementation Plan
The Environmental Protection Agency (EPA) is approving a revision to the Minnesota State Implementation Plan (SIP) which updates Minnesota's air program rules. The Minnesota Pollution Control Agency (MPCA) submitted the request to EPA on November 14, 2018. The revision to Minnesota's air quality rules reflects changes that have been made to the...
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Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Morgan County Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to redesignate the Morgan County nonattainment area, which consists of Clay and Washington Townships in Morgan County, IN, to attainment for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). EPA is also...
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Air Plan Approval; Wisconsin; Redesignation of the Inland Sheboygan, WI Area to Attainment of the 2008 Ozone Standards
The Environmental Protection Agency (EPA) finds that the Inland Sheboygan County, Wisconsin area is attaining the 2008 primary and secondary ozone National Ambient Air Quality Standards (NAAQS), and is approving a request from the Wisconsin Department of Natural Resources (WDNR) to redesignate the area to attainment for the 2008 ozone NAAQS...
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Air Plan Approval; Wisconsin; Redesignation of the Shoreline Sheboygan, WI Area to Attainment of the 2008 Ozone Standards
The Environmental Protection Agency (EPA) finds that the Shoreline Sheboygan County, Wisconsin area is attaining the 2008 primary and secondary ozone National Ambient Air Quality Standards (NAAQS), and is approving a request from the Wisconsin Department of Natural Resources (WDNR) to redesignate the area to attainment for the 2008 ozone NAAQS...
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Finding of Failure To Attain the 2006 24-Hour Fine Particulate Matter Standards; California; Los Angeles-South Coast Air Basin
The Environmental Protection Agency (EPA) is proposing to determine that the Los Angeles-South Coast Air Basin nonattainment area failed to attain the 2006 24-hour fine particulate matter (``PM<INF>2.5</INF>'') national ambient air quality standards by the December 31, 2019 ``Serious'' area attainment date. This proposed determination is based...