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Air Plan Conditional Approval and Disapproval; Arizona; Maricopa County; Power Plants, Fuel Burning Equipment, and Internal Combustion Engines
The Environmental Protection Agency (EPA) is finalizing conditional approvals for two revisions to the Maricopa County portion of the Arizona State Implementation Plan (SIP) concerning fuel burning equipment and internal combustion engines. The EPA is also finalizing a disapproval for one revision to the Maricopa County portion of the Arizona...
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Air Plan Approval; North Carolina; Miscellaneous Permit Provisions Revisions
The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of North Carolina, through the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), with letters dated September 18, 2009, September 16, 2016, and July 10, 2019. These SIP revisions amend several...
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Air Plan Approval; OR; 2010 Sulfur Dioxide NAAQS Interstate Transport Requirements
The Environmental Protection Agency (EPA) approves the State Implementation Plan (SIP) submission from Oregon as meeting certain Clean Air Act (CAA) interstate transport requirements for the 2010 1- hour Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). EPA has determined that emissions from Oregon sources will not...
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Air Plan Approval; Arizona; Maricopa County Air Quality Department and Pima County Department of Environmental Quality
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department (MCAQD) and Pima County Department of Environmental Quality (PCDEQ) portions of the Arizona State Implementation Plan (SIP). These revisions concern emissions of particulate matter (PM) from nonmetallic mineral...
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Air Plan Revisions; California; Technical Amendments
The Environmental Protection Agency (EPA) is taking final action to delete various local rules from the California State Implementation Plan (SIP) that were approved in error. These rules include general nuisance provisions, Federal New Source Performance Standards or National Emission Standards for Hazardous Air Pollutant requirements, hearing...
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Clean Water Act Section 401 Certification Rule
The Environmental Protection Agency (EPA) is publishing this final rule to update and clarify the substantive and procedural requirements for water quality certification under Clean Water Act (CWA or the Act) section 401. CWA section 401 is a direct grant of authority to States (and Tribes that have been approved for ``treatment as a State''...
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Air Plan Approval; California; Mariposa County Air Pollution Control District
The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Mariposa County Air Pollution Control District (MCAPCD) portion of the California State Implementation Plan (SIP). This revision concerns reporting of emissions of volatile organic compounds (VOCs) and oxides of nitrogen (NO<INF>X</INF>) in...
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Air Plan Approval; West Virginia; Redesignation and Maintenance Plan for the West Virginia Portion of the Steubenville Sulfur Dioxide Nonattainment Area
The Environmental Protection Agency (EPA) is approving the request from the State of West Virginia to redesignate to attainment its respective portion of the Steubenville, Ohio-West Virginia multi- state sulfur dioxide (SO<INF>2</INF>) nonattainment area (referred to as the ``Steubenville Nonattainment Area'' or the ``Area'') for the 2010 1-hour...
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National Emission Standards for Hazardous Air Pollutants: Integrated Iron and Steel Manufacturing Facilities Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Integrated Iron and Steel Manufacturing Facilities source category regulated under national emission standards for hazardous air pollutants (NESHAP). The Agency found that risks due to emissions of air toxics from this source category are acceptable and that...
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Approval and Promulgation of Air Quality State Implementation Plans; State of Utah; Revisions to the Utah Division of Administrative Rules; R307-101-3
The Environmental Protection Agency (EPA) is approving revisions to the Utah Divison of Administrative Rules, specifically R307-101-3 submitted by the State of Utah on August 19, 2019, and R307- 405-02 and R307-410-03 submitted by the State of Utah on December 16, 2019. The submittal for R307-101-3 requests a State Implementation Plan (SIP)...
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Air Plan Approval; Air Plan Approval; KY: Jefferson County Performance Tests
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), Division of Air Quality, through a letter dated September 5, 2019. The changes were...
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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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National Emission Standards for Hazardous Air Pollutants: Site Remediation Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Site Remediation source category regulated under national emission standards for hazardous air pollutants (NESHAP). The U.S. Environmental Protection Agency (EPA) is finalizing the proposed determination that risks due to emissions of air toxics from site...
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National Emission Standards for Hazardous Air Pollutants: Paper and Other Web Coating Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Paper and Other Web Coating (POWC) source category regulated under national emission standards for hazardous air pollutants (NESHAP). The Agency is finalizing the proposed determination that risks due to emissions of air toxics are acceptable from this source...
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National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the DuPage County Landfill/Blackwell Forest Superfund Site
The Environmental Protection Agency (EPA) Region 5 is publishing a direct final Notice of Deletion of the DuPage County Landfill/Blackwell Forest Superfund Site (DuPage County Landfill Site), located in Warrenville, Illinois, from the National Priorities List (NPL). The NPL, promulgated pursuant to Section 105 of the Comprehensive Environmental...
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National Emission Standards for Hazardous Air Pollutants: Organic Liquids Distribution (Non-Gasoline) Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Organic Liquids Distribution (Non-Gasoline) (OLD) source category regulated under National Emission Standards for Hazardous Air Pollutants (NESHAP). The U.S. Environmental Protection Agency (EPA) is finalizing amendments to the storage tank requirements as a...
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National Emission Standards for Hazardous Air Pollutants: Cellulose Products Manufacturing Residual Risk and Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the Miscellaneous Viscose Processes and Cellulose Ether Production source categories regulated under the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Cellulose Products Manufacturing. The EPA is finalizing the proposed determination that...
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Approval and Promulgation of Implementation Plans; Wyoming; Regional Haze 5-Year Progress Report State Implementation Plan
The Environmental Protection Agency (EPA) is approving a regional haze progress report State Implementation Plan (SIP) revision submitted by the State of Wyoming on November 28, 2017. The revision addresses the requirements for states to submit periodic reports describing progress toward reasonable progress goals established for regional haze...
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Air Quality State Implementation Plans; Approvals and Promulgations: Montana; Columbia Falls, Kalispell and Libby PM10
The Environmental Protection Agency (EPA) is approving the Limited Maintenance Plan (LMP) for the Columbia Falls, Kalispell and Libby nonattainment areas (NAAs) and the State's request to redesignate the Columbia Falls, Kalispell and Libby NAAs from nonattainment to attainment for the 1987 24-hour particulate matter with an aerodynamic diameter...