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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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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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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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National Priorities List
The Comprehensive Environmental Response, Compensation, and Liability Act (``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 contaminants...
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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...
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone NAAQS Second Maintenance Plan for the Harrisburg-Lebanon-Carlisle 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; WA; Infrastructure Requirements for the 2010 Sulfur Dioxide and 2015 Ozone Standards; Availability of Supplemental Information and Reopening of the Comment Period
Whenever a new or revised National Ambient Air Quality Standard (NAAQS) is promulgated, the Clean Air Act (CAA) requires states to submit a plan for the implementation, maintenance, and enforcement of the standard, commonly referred to as infrastructure requirements. On May 26, 2020, the Environmental Protection Agency (EPA) published a notice...
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standards Second Maintenance Plan for the Scranton-Wilkes-Barre 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; NC; Blue Ridge Paper SO2
The Environmental Protection Agency (EPA) is proposing to approve, through parallel processing, a draft source-specific State Implementation Plan (SIP) revision submitted by the State of North Carolina Department of Environmental Quality, Division of Air Quality (DAQ) through a letter dated June 24, 2020. North Carolina's June 24, 2020, draft...
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Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Other Solid Waste Incineration Units Review
In accordance with requirements under the Clean Air Act (CAA), the U.S. Environmental Protection Agency (EPA) performed a periodic review of the emissions standards and other requirements for Other Solid Waste Incineration (OSWI) units, covering certain very small municipal waste combustion (VSMWC) and institutional waste incineration (IWI)...
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National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters; Amendments
On January 31, 2013, the U.S. Environmental Protection Agency (EPA) finalized amendments to the national emission standards (NESHAP) for the control of hazardous air pollutants (HAP) at major sources from new and existing industrial, commercial, and institutional (ICI) boilers and process heaters. Subsequently, the United States Court of Appeals...
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Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures
The Environmental Protection Agency (EPA) is proposing greenhouse gas (GHG) emission standards applicable to certain classes of engines used by certain civil subsonic jet airplanes with a maximum takeoff mass greater than 5,700 kilograms and by certain civil larger subsonic propeller-driven airplanes with turboprop engines having a maximum...
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Review of the Ozone National Ambient Air Quality Standards
Based on the Environmental Protection Agency's (EPA's) review of the air quality criteria and the national ambient air quality standards (NAAQS) for photochemical oxidants including ozone (O<INF>3</INF>), the EPA is proposing to retain the current standards, without revision.
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Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Arkansas, New Mexico, and Albuquerque-Bernalillo County, New Mexico; Control of Emissions From Existing Commercial and Industrial Solid Waste Incineration Units
Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is notifying the public that we have received CAA section 111(d)/129 negative declarations from Arkansas, New Mexico, and Albuquerque-Bernalillo County, New Mexico, for existing incinerators subject to the Commercial and Industrial Solid Waste...
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National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion the Anaconda Co. Smelter Superfund Site
The Environmental Protection Agency (EPA) Region 8 is issuing a Notice of Intent to Delete the Beryllium Operable Unit 9 (OU9), the Flue Dust OU11 and the Arbiter OU12 of the Anaconda Co. Smelter Superfund Site (Site) located in Anaconda, MT, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL,...
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Air Plan Partial Approval and Partial Disapproval; California; San Diego
The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove revisions to the San Diego Air Pollution Control District (SDAPCD) portion of the California State Implementation Plan (SIP). These revisions concern the District's demonstration regarding reasonably available control technology (RACT)...
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Protection of Stratospheric Ozone: Extension of the Laboratory and Analytical Use Exemption for Essential Class I Ozone-Depleting Substances
The Environmental Protection Agency (EPA) is proposing to revise regulations governing the production and import of class I ozone-depleting substances in the United States to extend indefinitely the global essential laboratory and analytical use exemption. This exemption currently expires on December 31, 2021. This change would allow for...
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National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Cimarron Mining Corporation Superfund Site
The Environmental Protection Agency (EPA) Region 6 is issuing a Notice of Intent to Delete Cimarron Mining Corporation Superfund Site (Site) located in Carrizozo, New Mexico, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL, promulgated pursuant to section 105 of the Comprehensive...