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Approval and Limited Approval and Limited Disapproval of California Air Plan Revisions; San Diego County Air Pollution Control District; Stationary Source Permits
The Environmental Protection Agency (EPA) is taking final action on four permitting rules submitted as a revision to the San Diego County Air Pollution Control District (SDAPCD or ``District'') portion of the California State Implementation Plan (SIP). We are finalizing a limited approval and limited disapproval of one rule and approval of the...
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Air Quality State Implementation Plans; Approval and Promulgation of Implementation Plans; Utah; Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards
The Environmental Protection Agency (EPA) is approving multiple elements of the infrastructure State Implementation Plan (SIP) requirements for the 2015 ozone National Ambient Air Quality Standard (NAAQS) for Utah, along with taking no action on three Utah infrastructure SIP elements. The EPA is approving Utah's January 29, 2020 SIP submission...
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Finding of Failure To Attain the 2006 24-Hour Fine Particulate Matter Standards; California; Los Angeles-South Coast Air Basin
The Environmental Protection Agency (EPA) has determined that the Los Angeles-South Coast Air Basin nonattainment area failed to attain the 2006 24-hour fine particulate matter (``PM<INF>2.5</INF>'') national ambient air quality standards by the December 31, 2019 ``Serious'' area attainment date. This determination is based on ambient air...
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Air Plan Approval; Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Morgan County Sulfur Dioxide Nonattainment Area
In accordance with the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is redesignating the Morgan County nonattainment area, which consists of Clay and Washington Townships in Morgan County, Indiana, to attainment for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). EPA is also approving...
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standards Second Maintenance Plan for the Johnstown Area
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (DEP), for maintaining the 1997 8-hour ozone national ambient air...
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New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Albuquerque-Bernalillo County Air Quality Control Board
The Albuquerque-Bernalillo County Air Quality Control Board (ABCAQCB) has submitted updated regulations for receiving delegation and approval of a program for the implementation and enforcement of certain New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources (both Title V...
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Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources Reconsideration
This action finalizes amendments to the new source performance standards (NSPS) for the oil and natural gas sector. The Environmental Protection Agency (EPA) granted reconsideration on the fugitive emissions requirements, well site pneumatic pump standards, requirements for certification of closed vent systems (CVS) by a professional engineer...
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EPA-R09-OAR-2019-0655; FRL-10012-28-Region 9 Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District and Feather River Air Quality Management District
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD or District) and the Feather River Air Quality Management District (FRAQMD) portions of the California State Implementation Plan (SIP) under the Clean Air Act (CAA or Act). For the...
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Oil and Natural Gas Sector: Emission Standards for New, Reconstructed, and Modified Sources Review
This action finalizes amendments to the oil and natural gas new source performance standards (NSPS) promulgated in 2012 and 2016. These amendments 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...
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Air Plan Approval; Kansas; Infrastructure State Implementation Plan Requirements for the 2015 Ozone National Ambient Air Quality Standard
The Environmental Protection Agency (EPA) is proposing to approve certain elements of a State Implementation Plan (SIP) submission from the State of Kansas addressing the applicable requirements of section 110 of the Clean Air Act (CAA) for the 2015 Ozone (O<INF>3</INF>) National Ambient Air Quality Standard (NAAQS). Section 110 requires that...
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Air Plan Approval; Missouri; Removal of Control of Emission From Solvent Cleanup Operations
The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by the State of Missouri on January 15, 2019 and supplemented by letter on July 11, 2019. Missouri requests that the EPA remove a rule related to the control of emissions from solvent cleanup operations in the St. Louis,...
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Air Plan Approval; ID, Incorporation by Reference Updates and Rule Revisions
The Environmental Protection Agency (EPA) proposes to approve State Implementation Plan (SIP) revisions submitted by Idaho on June 5, 2019 and May 27, 2020. The submitted revisions update the incorporation by reference of specific Federal requirements and clarify source permitting requirements. The EPA proposes to find that the changes are...
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National Emission Standards for Hazardous Air Pollutants: Iron and Steel Foundries Major Source Residual Risk and Technology Review and Area Source Technology Review
This action finalizes the residual risk and technology review (RTR) conducted for the major source Iron and Steel Foundries source category and the technology review for the area source Iron and Steel Foundries source category regulated under national emission standards for hazardous air pollutants (NESHAP). In addition, we are taking final...
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Approval and Promulgation of Air Quality Implementation Plan; Mashantucket Pequot Tribal Nation
The Environmental Protection Agency (EPA) proposes to approve the Mashantucket Pequot Tribal Nation's (MPTN or the Tribe) Tribal Implementation Plan (TIP) under the Clean Air Act (CAA) to regulate air pollution within the exterior boundaries of the Tribe's reservation. The proposed TIP is one of two CAA regulatory programs that comprise the...
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Mercury and Air Toxics Standards for Power Plants Electronic Reporting Revisions
The U.S Environmental Protection Agency (EPA) is finalizing amendments to the electronic reporting requirements for the National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units (also known as the Mercury and Air Toxics Standards (MATS)). This action revises and streamlines the...
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Outer Continental Shelf Air Regulations; Consistency Update for Alaska
The Environmental Protection Agency (EPA) is taking final action to update a portion of the Outer Continental Shelf (OCS) Air Regulations. Requirements applying to OCS sources located within 25 miles of states' seaward boundaries must be updated periodically to remain consistent with the requirements of the corresponding onshore area (COA), as...
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Air Plan Approval; Rhode Island; Reasonably Available Control Technology for the 2008 and 2015 Ozone Standards
The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Rhode Island. The SIP revision consists of a demonstration that Rhode Island meets the requirements of reasonably available control technology (RACT) for the two precursors for ground-level ozone, oxides of nitrogen...
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National Priorities List
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants or...
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Air Quality Standard (NAAQS) Second Maintenance Plan for the Altoona (Blair County) Area
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. This revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (DEP), for maintaining the 1997 8-hour ozone national ambient air...
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Air Plan Approval; California; South Coast Air Quality Management District; Ventura County Air Pollution Control District
The Environmental Protection Agency (EPA) is proposing to approve revisions to the South Coast Air Quality Management District (SCAQMD) and the Ventura County Air Pollution Control District (VCAPCD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from the use and...