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Air Plan Approval; AL; 2010 1-Hour SO2
The Environmental Protection Agency (EPA) is approving Alabama's August 20, 2018, State Implementation Plan (SIP) submission pertaining to the ``good neighbor'' provision of the Clean Air Act (CAA or Act) for the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS). The good neighbor provision requires each...
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National Emission Standards for Hazardous Air Pollutants: Stationary Combustion Turbines Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Stationary Combustion Turbines source category regulated under national emission standards for hazardous air pollutants (NESHAP). In addition, we are taking final action addressing requirements during periods of startup, shutdown, and malfunction (SSM) and to...
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Air Plan Approval; Michigan; Second Limited Maintenance Plans for 1997 Ozone NAAQS
Pursuant to the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of Michigan. On July 24, 2019, the state submitted the 1997 ozone National Ambient Air Quality Standard (NAAQS) Limited Maintenance Plans (LMPs) for the Benzie County, Flint (Genesee and...
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Air Plan Approval; California; Mojave Desert Air Quality Management District; California; Ventura County; 8-Hour Ozone Nonattainment Area Requirements; Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; Determination of Attainment by the Attainment Date; Imperial County, CA
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOC) from Metal Parts and Products Coating Operations, and Polyester Resin...
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Approval of Air Quality Implementation Plans; California; Ventura County; 8-Hour Ozone Nonattainment Area Requirements
The Environmental Protection Agency (EPA) is taking final action to approve portions of two state implementation plan (SIP) revisions submitted by the State of California to meet Clean Air Act (CAA or ``the Act'') requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the Ventura County,...
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Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; Determination of Attainment by the Attainment Date; Imperial County, California
The Environmental Protection Agency (EPA) is approving two state implementation plan (SIP) revisions submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2008 ozone national ambient air quality standards (NAAQS) in the Imperial County nonattainment area, as follows. The EPA is approving the ``Imperial...
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Air Plan Approval; WA; Updates to Source-Category Regulations
The Environmental Protection Agency (EPA) is approving revisions to the Washington State Implementation Plan (SIP) that were submitted by the Department of Ecology (Ecology). In 1991, Ecology established source-category regulations for kraft pulp mills, sulfite pulping mills, and primary aluminum plants. These source-category regulations contain...
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Air Plan Conditional Approval; Arizona; Maricopa County
The Environmental Protection Agency (EPA) is taking final action to conditionally approve revisions to the Maricopa County Air Quality Department (MCAQD or the County) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from organic liquid and gasoline storage and...
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Air Plan Approval; Iowa; Linn County; State Implementation Plan
The Environmental Protection Agency (EPA) is approving revisions to the Iowa State Implementation Plan (SIP) to include recent changes to the Linn County Code of Ordinances. The revisions include updating definitions and references to the effective dates the Federal rules were approved into the State's SIP, revising methods and procedures for...
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Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Reasonably Available Control Technology State Implementation Plan for Nitrogen Oxides Under the 2008 Ozone National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the District of Columbia. This revision satisfies the nitrogen oxides (NO<INF>X</INF>) reasonably available control technology (RACT) requirements under the 2008 8-hour ozone national ambient air quality standard (2008 ozone NAAQS). The...
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Air Plan Approval; Washington; Revised Public Notice Provisions and Other Miscellaneous Revisions
The Environmental Protection Agency (EPA) is approving revisions to the general air quality regulations submitted by the Washington Department of Ecology (Ecology). The four categories of revisions to the State Implementation Plan (SIP) approved in this action are: revising the adoption by reference date for Federal regulations cross referenced...
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Approval and Promulgation of Implementation Plans; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards; Wyoming
The Environmental Protection Agency (EPA) is acting on multiple elements of State Implementation Plan (SIP) revisions from the State of Wyoming to demonstrate that the State meets infrastructure requirements of Clean Air Act (CAA) section 110(a) for the 2015 ozone National Ambient Air Quality Standard (NAAQS). Section 110(a) of the CAA requires...
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Air Plan Approval; Indiana; Revisions to NOX
The Environmental Protection Agency (EPA) is approving under the Clean Air Act (CAA) a request from the Indiana Department of Environmental Management (IDEM) to revise the Indiana State Implementation Plan (SIP) to incorporate the following: A new rule concerning nitrogen oxide (NO<INF>X</INF>) emissions for the ozone season from Electric...
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Air Plan Approval; MS; Revisions to the State Implementation Plan Approved by EPA Through Letter
The Environmental Protection Agency (EPA) is taking final action on administrative changes to the Mississippi State Implementation Plan (SIP). The changes consist of recodification of Mississippi's regulations, which EPA previously approved through Letter Notices. EPA has determined that this action falls under the ``good cause'' exemption in...
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Air Plan Approval; ID: Idaho Portion of the Logan UT-ID 2006 24-Hour PM2.5
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Idaho State Implementation Plan (SIP) submitted on July 31, 2018. The submission includes Reasonable Further Progress and Quantitative Milestone attainment plan elements, along with updated Motor Vehicle Emissions Budgets, for the Idaho portion of the...
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Air Plan Approval and Designation of Areas; FL; Source-Specific SO2
The Environmental Protection Agency (EPA) is taking final action to approve state implementation plan (SIP) revisions and two redesignation requests provided by the State of Florida, through the Florida Department of Environmental Protection (FDEP), related to the 2010 1-hour sulfur dioxide (SO<INF>2</INF>) primary national ambient air quality...
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Approval and Promulgation of State Plans for Designated Facilities and Pollutants; Delaware; Control of Emissions From Existing Municipal Solid Waste Landfills
The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA) section 111(d) plan submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC). This plan was submitted to fulfill the requirements of the CAA and in response to EPA's promulgation of Emissions Guidelines and Compliance Times for...
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Approval and Promulgation of State Plans for Designated Facilities and Pollutants; Pinal County Air Quality Control District; Control of Emissions From Existing Municipal Solid Waste Landfills
The Environmental Protection Agency (EPA) is taking final action to approve a state plan submitted by the Pinal County Air Quality Control District (PCAQCD). For the purposes of this Section 111(d) plan, the PCAQCD is considered a ``State'' as defined in EPA's regulations. This state plan submittal pertains to the regulation of landfill gas and...
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Delegation of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants for the States of Arizona and Nevada
The Environmental Protection Agency (EPA) is taking direct final action to update the Code of Federal Regulations delegation tables to reflect the current delegation status of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants in Arizona and Nevada.
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Air Plan Approval; Ohio; Prevention of Significant Deterioration Greenhouse Gas Tailoring Rule
The Environmental Protection Agency (EPA) is approving, under the Clean Air Act (CAA), a revision to Ohio's State Implementation Plan (SIP) as requested by the Ohio Environmental Protection Agency (OEPA) on March 30, 2011, and amended on August 22, 2019 and December 10, 2019. The revision to Ohio's SIP modifies Ohio's Prevention of Significant...