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Approval of Air Quality Improvement Plan, Operating Permits Program, and 112(l) Plan; Missouri; Operating Permits
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP), the Operating Permit Program (OPP), and the 112(l) plan submitted on March 7, 2019, by the State of Missouri. The submission revises Missouri's regulations relating to the requirement for sources of air contaminants to...
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Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation Requests and Maintenance Plans for Delaware County and Lebanon County 2012 Fine Particulate Matter Areas
The Environmental Protection Agency (EPA) is approving requests for redesignation to attainment status as well as state implementation plan (SIP) revisions submitted by the Commonwealth of Pennsylvania. On January 23, 2019 and February 11, 2019, respectively, the Pennsylvania Department of Environmental Protection (PADEP) submitted requests for...
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Approval and Promulgation of Implementation Plans; Arkansas; Approval of Regional Haze State Implementation Plan Revision for Electric Generating Units in Arkansas
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is finalizing an approval of a portion of a revision to the Arkansas State Implementation Plan (SIP) submitted by the State of Arkansas through the Arkansas Department of Environmental Quality (ADEQ) that addresses certain requirements of the CAA...
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Clean Data Determination; Salt Lake City, Utah 2006 Fine Particulate Matter Standards Nonattainment Area
The Environmental Protection Agency (EPA) is finalizing a clean data determination (CDD) for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) Salt Lake City, Utah, (UT) nonattainment area (NAA). The proposed determination is based upon quality-assured, quality-controlled, and certified ambient air monitoring data for the period...
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Promulgation of Air Quality Implementation Plans; State of Arkansas; Regional Haze Federal Implementation Plan Revisions; Withdrawal of Portions of the Federal Implementation Plan
The Environmental Protection Agency (EPA) is amending a Federal Implementation Plan (FIP) that addresses regional haze for the first planning period for Arkansas as it applies to the best available retrofit technology (BART) requirements for sulfur dioxide (SO<INF>2</INF>) and particulate matter (PM) for seven electric generating units (EGUs) in...
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Air Plan Approval; Missouri; Rescission of Information on Sales of Fuels To Be Provided and Maintained and Certain Coals To Be Washed
The Environmental Protection Agency (EPA) is approving two State Implementation Plan (SIP) revision submissions from the State of Missouri. In these submissions, the State requested that two rules relating to the sales of fuel and coal washing be rescinded from the Missouri SIP. The EPA received both submissions on December 4, 2018, and received...
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Air Plan Approval; Illinois; State Board and Infrastructure SIP Requirements
The Environmental Protection Agency (EPA) is approving revisions to the Illinois state implementation plan (SIP) addressing the state board requirements under section 128 of the Clean Air Act (CAA) and the related infrastructure element for several National Ambient Air Quality Standard (NAAQS) infrastructure submissions. The infrastructure...
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Air Plan Approval; California; South Coast Air Quality Management District; Stationary Source Permits
The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the South Coast Air Quality Management District (SCAQMD or ``the District'') portion of the California State Implementation Plan (SIP). We are finalizing approval of a revision governing issuance of permits for stationary sources, including review...
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Air Plan Approval and Air Quality Designation; New Hampshire; Redesignation of the Central New Hampshire Sulfur Dioxide Nonattainment Area
The Environmental Protection Agency (EPA) is redesignating the Central New Hampshire nonattainment area from nonattainment to attainment for the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS). EPA is also approving the maintenance plan submitted by the State of New Hampshire for the area for the...
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Air Plan Approval; New Mexico; Infrastructure for the 2015 Ozone National Ambient Air Quality Standards and Repeal of State Regulations for Total Suspended Particulate
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) infrastructure certifications from the State of New Mexico and Albuquerque-Bernalillo County to address CAA section 110(a)(1) and (2) requirements for the 2015 ozone (O<INF>3</INF>) National Ambient Air...
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Air Plan Approval; Ohio; Revisions to NOX
The Environmental Protection Agency (EPA) is approving under the Clean Air Act (CAA) a request from the Ohio Environmental Protection Agency (Ohio EPA) to revise the Ohio State Implementation Plan (SIP) to incorporate revisions to Ohio Administrative Code (OAC) Chapter 3745-14 regarding the Nitrogen Oxides (NO<INF>X</INF>) SIP Call and the...
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Approval and Promulgation of Implementation Plans; Colorado; Regional Haze 5-Year Progress Report State Implementation Plan
The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the State of Colorado through the Colorado Department of Public Health and Environment (CDPHE) on May 2, 2016. Colorado's May 2, 2016 SIP revision (Progress Report) addresses requirements of the Clean Air Act (CAA or Act)...
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Approval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to Administrative Rules of Montana
The Environmental Protection Agency (EPA) is finalizing approval of State Implementation Plan (SIP) revisions submitted by the State of Montana on February 23, 2017. The revisions are to the Administrative Rules of Montana (ARM) open burning and permitting regulations to align the ARM with the current Montana Code Annotated (MCA) procedures for...
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South Dakota; Approval of Revisions to the State Air Pollution Control Rules and to the Permitting Rules for the Prevention of Significant Deterioration
The Environmental Protection Agency (EPA) is taking final action to approve State Implementation Plan (SIP) and Operating Permit Program revisions submitted by the State of South Dakota on October 23, 2015, related to South Dakota's Air Pollution Control Program. The October 23, 2015 submittal revises certain definitions in the Prevention of...
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Air Plan Approval; NC: Revision to I/M Program & Update to Charlotte Maintenance Plan for the 2008 8-Hour Ozone NAAQS
The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), on July 25, 2018, which revises the model year coverage for vehicles in the 22 counties subject to North Carolina's expanded...
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Approval and Promulgation of Implementation Plans; Utah; Interstate Transport Requirements for Nitrogen Dioxide, Sulfur Dioxide, and Fine Particulate Matter
The Environmental Protection Agency (EPA) is approving five State Implementation Plan (SIP) submissions from the State of Utah regarding certain interstate transport requirements of the Clean Air Act (CAA or ``Act''). These submissions respond to the EPA's promulgation of the 2010 nitrogen dioxide (NO<INF>2</INF>) national ambient air quality...
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Approval and Promulgation of Air Quality Implementation Plans; State of Montana; East Helena Lead Nonattainment Area Maintenance Plan and Redesignation Request
The Environmental Protection Agency (EPA) is approving the Maintenance Plan, submitted by the State of Montana to the EPA on October 28, 2018, for the East Helena Lead (Pb) nonattainment area (East Helena NAA) and concurrently redesignating the East Helena NAA to attainment of the 1978 Pb National Ambient Air Quality Standard (NAAQS). The EPA is...
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Designation of Areas for Air Quality Planning Purposes; Montana; Redesignation Request and Associated Maintenance Plan for East Helena SO2
The Environmental Protection Agency (EPA) is approving the State of Montana's request to redesignate the East Helena sulfur dioxide (SO<INF>2</INF>) nonattainment area to attainment for the 1971 primary and secondary SO<INF>2</INF> National Ambient Air Quality Standards (NAAQS). The EPA is also approving Montana's maintenance plan which provides...
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Approval of Iowa and Nebraska Air Quality Implementation Plans; Infrastructure SIP Requirements for the 2012 Annual Fine Particulate Matter (PM2.5
The Environmental Protection Agency (EPA) is approving elements of State Implementation Plan (SIP) submissions from Iowa Department of Natural Resources (IDNR) and Nebraska Department of Environmental Quality (NDEQ) for the 2012 Annual Fine Particulate Matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS). The Clean Air Act...
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Air Plan Approval; Indiana; Regional Haze Plan and Prong 4 (Visibility) for the 2006 and 2012 PM2.5
The Environmental Protection Agency (EPA) is taking action under the Clean Air Act (CAA) on Indiana's November 27, 2017 State Implementation Plan (SIP) submittal addressing regional haze. This action is based on EPA's previous determination that a state's implementation of the Cross-State Air Pollution Rule (CSAPR) program continues to meet the...