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Approval and Conditional Approval of California Air Plan Revision, Imperial County Air Pollution Control District, Reasonably Available Control Technology
The Environmental Protection Agency (EPA) is proposing to approve in part and conditionally approve in part revisions to the Imperial County Air Pollution Control District (ICAPCD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern the ICAPCD's Reasonably Available Control Technology (RACT)...
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National Emission Standards for Hazardous Air Pollutants: Paper and Other Web Coating Residual Risk and Technology Review
The U.S. Environmental Protection Agency (EPA) is conducting the residual risk and technology review (RTR) of the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Paper and Other Web Coating (POWC) source category that is required under the Clean Air Act (CAA). We are proposing to find the risks due to emissions of air...
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Designation of Areas for Air Quality Planning Purposes; Ohio; Redesignation of the Ohio Portion of the Steubenville Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to redesignate the Ohio portion of the Steubenville Ohio-West Virginia interstate sulfur dioxide (SO<INF>2</INF>) nonattainment area (Steubenville nonattainment area) from nonattainment to attainment. EPA is also proposing to approve Ohio's...
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Air Plan Conditional Approval; Arizona; Maricopa County
The Environmental Protection Agency (EPA) is proposing 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 transfer...
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Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources Review
This action proposes reconsideration amendments to the new source performance standards (NSPS). These amendments, if finalized, would remove sources in the transmission and storage segment from the source category, rescind the NSPS (including both the volatile organic compounds (VOC) and methane requirements) applicable to those sources, and...
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Air Plan Approval; Indiana; Second Maintenance Plan for 1997 Ozone NAAQS
Pursuant to the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision. On June 20, 2019, the Indiana Department of Environmental Management (IDEM) submitted the State's plan for maintaining the 1997 ozone National Ambient Air Quality Standards (NAAQS or standard) in the...
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Air Plan Approval; Connecticut; Regional Haze Five Year Progress Report
The Environmental Protection Agency (EPA) is proposing to approve the Connecticut regional haze progress report submitted as a State Implementation Plan (SIP) revision on June 30, 2015. This revision addresses the provisions of the Clean Air Act and its implementing regulations that require states to submit periodic reports describing progress...
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National Emission Standards for Hazardous Air Pollutants: Taconite Iron Ore Processing Residual Risk and Technology Review
This proposal presents the results of the U.S. Environmental Protection Agency's (EPA's) residual risk and technology reviews (RTRs) for the National Emission Standards for the Hazardous Air Pollutants (NESHAP) for Taconite Iron Ore Processing, as required under the Clean Air Act (CAA). Based on the results of the risk review, the EPA is...
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Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; Phoenix-Mesa, Arizona
The Environmental Protection Agency (EPA) is proposing action on a state implementation plan (SIP) revision submitted by the State of Arizona on behalf of the Maricopa Association of Governments (MAG) to meet Clean Air Act (CAA or ``the Act'') requirements for the 2008 ozone national ambient air quality standards (NAAQS or ``standards'') in the...
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Air Quality Plans; Tennessee; Infrastructure Requirements for the 2015 8-Hour Ozone National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve the State Implementation Plan (SIP) submission, provided by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), through a letter dated September 13, 2018, for inclusion into the Tennessee SIP. This proposal pertains to the...
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National Emission Standards for Hazardous Air Pollutants: Generic Maximum Achievable Control Technology Standards Residual Risk and Technology Review for Ethylene Production
The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP): Generic Maximum Achievable Control Technology Standards. The source category addressed in this action is Ethylene Production. The EPA is proposing decisions concerning the residual risk and technology...
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National Emission Standards for Hazardous Air Pollutants: Iron and Steel Foundries Residual Risk and Technology Review
This action presents the proposed results of the U.S. Environmental Protection Agency's (EPA's) residual risk and technology review (RTR) required under the Clean Air Act (CAA) for the National Emission Standards for Hazardous Air Pollutants (NESHAP) for major source Iron and Steel Foundries, initially promulgated in 2004 and amended in 2008....
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Air Plan Approval; AK: Infrastructure Requirements for the 2015 Ozone Standard
Whenever a new or revised National Ambient Air Quality Standard is promulgated, the Clean Air Act requires states to submit plans for the implementation, maintenance, and enforcement of such standard, commonly referred to as infrastructure requirements. On October 25, 2018, the State of Alaska submitted such a plan for the ozone standard revised...
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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 proposing to approve revisions to the Idaho State Implementation Plan (SIP) submitted on July 31, 2018. Idaho's submission addresses specific Clean Air Act (CAA) requirements for the Idaho portion of the Logan, Utah-Idaho fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Logan UT-ID...
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Approval and Promulgation of Implementation Plans; State of Montana; State Implementation Plan Revisions for Open Burning
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Montana on May 24, 2018. The revision would remove a prohibition on the open burning of asbestos and asbestos-containing materials located in the SIP-approved Administrative Rules of Montana (ARM) Title 17,...
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Air Plan Approval; Georgia: Revisions to Cross-State Air Pollution Rule
The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Georgia, through the Georgia Environmental Protection Division (GA EPD) of the Department of Natural Resources, via a letter dated July 31, 2018. Specifically, EPA is proposing to approve typographical changes to...
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Air Plan Approval; California; San Diego Air Pollution Control District
The Environmental Protection Agency (EPA) is proposing to approve a revision to the San Diego Air Pollution Control District (SDAPCD) portion of the California State Implementation Plan (SIP). This revision concerns emissions of volatile organic compounds (VOC) from Adhesive Material Application Operations. We are proposing to approve a local...
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National Emission Standards for Hazardous Air Pollutants: Organic Liquids Distribution (Non-Gasoline) Residual Risk and Technology Review
The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for the Organic Liquids Distribution (Non-Gasoline) (OLD) source category. The EPA is proposing amendments to the storage tank and equipment leak requirements as a result of the residual risk and...
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Air Plan Approval; Tennessee: Knox County Miscellaneous Revisions
The Environmental Protection Agency (EPA) is proposing to approve several Tennessee State Implementation Plan (SIP) revisions submitted by the Tennessee Department of Environment and Conservation (TDEC), on behalf of Knox County's Air Quality Management Division by a letter dated May 24, 2018. The submissions revise four sections of Knox...
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Air Plan Approval; California; Placer County Air Pollution Control District; Stationary Source Permits
The Environmental Protection Agency (EPA) is proposing a limited approval and limited disapproval of a revision to the Placer County Air Pollution Control District (PCAPCD or ``District'') portion of the California State Implementation Plan (SIP). This revision concerns the District's New Source Review (NSR) permitting program for new and...