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Approval and Promulgation of Air Quality Implementation Plans; State of Montana; Missoula PM10
The Environmental Protection Agency (EPA) is approving the Limited Maintenance Plan (LMP), submitted by the State of Montana to the EPA on August 3, 2016, for the Missoula moderate particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) nonattainment area (Missoula NAA) and concurrently...
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Air Plan Approval; NC; Permitting Revisions
The Environmental Protection Agency (EPA) is taking final action to approve a portion of a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina through the North Carolina Department of Environmental Quality (formerly the North Carolina Department of Environment and Natural Resources (NCDENR)),...
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Approval of Air Quality Implementation Plans; New York; Cross-State Air Pollution Rule; NOX
The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the New York State Implementation Plan (SIP) addressing requirements of the Cross-State Air Pollution Rule (CSAPR). Under the CSAPR, large electricity generating units in New York are subject to Federal Implementation Plans (FIPs) requiring the units...
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Air Plan Approval; Kentucky: Jefferson County Process Operations
The Environmental Protection Agency (EPA) is taking final action to approve changes to the Jefferson County portion of the Kentucky State Implementation Plan (SIP), submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet (Cabinet), by way of a letter dated March 15, 2018. The SIP revision was submitted by the...
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Air Plan Approval; Georgia: Permit Exemption for Fire Fighting Equipment
The Environmental Protection Agency (EPA) is taking final action to approve two revisions to the Georgia State Implementation Plan (SIP), submitted by the State of Georgia, through the Georgia Environmental Protection Division (Georgia EPD), with two letters dated November 13, 2017, and July 31, 2018. Specifically, EPA is approving changes that...
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Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Revisions to Regional Haze State Implementation Plan; Revisions to Regional Haze Federal Implementation Plan
The Environmental Protection Agency (EPA) is finalizing approval of State Implementation Plan (SIP) revisions submitted by the State of Wyoming on April 5, 2018, addressing regional haze. The revisions modify the sulfur dioxide (SO<INF>2</INF>) emissions reporting requirements for Laramie River Station Units 1 and 2. We are also finalizing...
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Air Plan Approval; New Mexico; Approval of Revised Statutes; Error Correction
The Environmental Protection Agency (EPA) is withdrawing a portion of a direct final rule published on February 27, 2019 because relevant adverse comments were received. The rule pertained to EPA approval of revisions to New Mexico's State Implementation Plan (SIP) incorporating updates to SIP-approved New Mexico statutes, as well as removing...
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Approval and Promulgation of Air Quality Implementation Plans; Maryland; Reasonably Available Control Technology for Cement Kilns, Revisions to Portland Cement Manufacturing Plant and Natural Gas Compression Station Regulations, and Removal of Nitrogen Oxides Reduction and Trading Program Replaced by Other Programs and Regulations; Correction
This document corrects an error in the Environmental Protection Agency (EPA) rule language of the March 28, 2018 final rule pertaining to oxides of nitrogen (NO<INF>X</INF>) and Reasonably Available Control Technology (RACT), submitted by the State of Maryland.
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Approval and Promulgation of Air Quality Implementation Plans; Colorado; Revisions to Regulation Number 3
The Environmental Protection Agency (EPA) is taking final action to approve State Implementation Plan (SIP) revisions submitted by the State of Colorado on February 25, 2015, and May 24, 2017. These SIP revisions are necessary for Colorado to address current federal prevention of significant deterioration (PSD) and nonattainment new source...
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Air Plan Revisions; California; Correcting Amendments
On February 12, 2019, the EPA published two final rules in the Federal Register approving certain other revisions to the California SIP. In these final rules, the EPA included inaccurate amendatory instructions that have prevented incorporation of the final actions into the CFR. The error will be corrected in this action.
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Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Commercial Fuel Oil Sulfur Limits for Combustion Units in Allegheny County
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania (Pennsylvania). The revision updates Allegheny County's portion of the Pennsylvania SIP by incorporating low sulfur fuel oil provisions. Implementation of these provisions will reduce the amount of...
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Air Quality State Implementation Plans; Arizona: Approval and Conditional Approval of State Implementation Plan Revisions; Maricopa County Air Quality Department; Stationary Source Permits; Correction
The Environmental Protection Agency (EPA) issued a final rule on April 5, 2019, entitled ``Air Quality State Implementation Plans; Arizona: Approval and Conditional Approval of State Implementation Plan Revisions; Maricopa County Air Quality Department; Stationary Source Permits.'' This document makes a minor change to the April 5, 2019, action...
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Air Plan Approval; GA: Non-Interference Demonstration and Maintenance Plan Revision for Federal Low-Reid Vapor Pressure Requirement in the Atlanta Area
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision that supports a change to the Federal Reid Vapor Pressure (RVP) requirements in 13 counties in Atlanta, Georgia. They comprise the following counties: Cherokee, Clayton, Cobb, Coweta, DeKalb, Douglas, Fayette, Forsyth, Fulton, Gwinnett, Henry,...
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Air Plan Approval; District of Columbia, Maryland, and Virginia; Maryland and Virginia Redesignation Requests and District of Columbia, Maryland, and Virginia Maintenance Plan for the Washington, DC-MD-VA 2008 Ozone Standard Nonattainment Area
The Environmental Protection Agency (EPA) is approving the requests from the State of Maryland (Maryland) and the Commonwealth of Virginia (Virginia) to redesignate to attainment their respective portions of the Washington, DC-MD-VA nonattainment area (hereafter ``the Washington Area'' or ``the Area'') for the 2008 8-hour ozone national ambient...
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Air Plan Approval; Ohio; Ohio Less Than 10 TPY BAT Exemption
The Environmental Protection Agency (EPA) is approving, under the Clean Air Act (CAA), revisions to Ohio's State Implementation Plan (SIP) as requested by the Ohio Environmental Protection Agency (OEPA) on May 22, 2018. The revisions to Ohio's SIP exempt sources that emit less than 10 tons per year (tpy) of each criteria pollutant from the need...
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Air Plan Approval and Approval of Operating Permits Program; Nebraska; Adoption of the 2015 Ozone Standard and Revisions to Definitions
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP), and Operating Permits Program for the State of Nebraska as submitted on August 22, 2018. This action adopts the 2015 primary and secondary National Ambient Air Quality Standards for Ozone, published in the Federal...
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Air Plan Approval; Ohio; Redesignation of the Cleveland Area to Attainment of the 2012 Annual Standard for Fine Particulate Matter
The Environmental Protection Agency (EPA) is approving the Ohio Environmental Protection Agency's (Ohio) request to redesignate the Cleveland area to attainment of the 2012 annual national ambient air quality standard (NAAQS or standards) for fine particulate matter (PM<INF>2.5</INF>) under the Clean Air Act (CAA).
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Clean Data Determination; Provo, 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>) Provo, Utah (UT) nonattainment area (NAA). The determination was based upon quality-assured, quality-controlled and certified ambient air monitoring data for the period 2015-2017; available in...
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Air Plan Approval; Kentucky: Jefferson County Prevention of Significant Deterioration
The Environmental Protection Agency (EPA) is taking final action to approve two revisions to the Jefferson County portion of the Kentucky State Implementation Plan (SIP), submitted by the Commonwealth of Kentucky, through the Energy and Environment Cabinet (Cabinet), with letters dated August 25, 2017 and March 15, 2018. The SIP revisions were...
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Approval and Promulgation of Air Quality Implementation Plans; Wyoming; Interstate Transport for the 2008 Ozone National Ambient Air Quality Standards
The Environmental Protection Agency (EPA) is approving a submittal from the State of Wyoming that demonstrates that the Wyoming State Implementation Plan (SIP) meets certain interstate transport requirements of the Clean Air Act (Act or CAA) for the 2008 ozone National Ambient Air Quality Standards (NAAQS). Specifically, the submittal meets the...