Ozone

Air Plan Approval; MO; Control of Emissions From Volatile Organic Liquid Storage

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Missouri State Implementation Plan (SIP) related to the control of emissions from volatile organic liquid storage. These revisions do not impact the stringency of the SIP or have an adverse effect on air quality. The EPA's approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Wednesday, October 4, 2023 - 4:00am

Air Plan Approval and Air Quality Designation; KY; Redesignation of the Northern Kentucky Portion of the Cincinnati, OH-KY 2015 8-Hour Ozone Nonattainment Area to Attainment

On September 21, 2022, the Commonwealth of Kentucky, through the Kentucky Energy and Environment Cabinet (Cabinet), Division of Air Quality (DAQ), submitted a request for the Environmental Protection Agency (EPA) to redesignate the Northern Kentucky portion (hereinafter referred to as the ``Northern Kentucky Area'' or ``Area'') of the Cincinnati, Ohio- Kentucky, 2015 8-hour ozone nonattainment area (hereinafter referred to as the ``Cincinnati, OH-KY Area'') to attainment for the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS or standards) and to approve a State Implementati

Publication Date: 
Wednesday, October 4, 2023 - 4:00am

Air Plan Approval; South Carolina: New Source Review Updates

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (hereinafter referred to as SC DHEC or South Carolina) via a letter dated February 3, 2022. The SIP revision updates portions of South Carolina's Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR) regulations that pertain to Project Emissions Accounting (PEA) provisions.

Publication Date: 
Wednesday, October 4, 2023 - 4:00am

Air Plan Approval; Washington; Southwest Clean Air Agency, General Air Quality Regulations

The Environmental Protection Agency (EPA) is approving revisions to the Washington State Implementation Plan (SIP) that were submitted on June 22, 2023, by the Department of Ecology in coordination with the Southwest Clean Air Agency (SWCAA). In 2017, the EPA approved a comprehensive update to SWCAA 400 General Regulations for Air Pollution Sources in the SIP, which includes new source review permitting requirements as well as other general requirements for sources regulated under SWCAA's jurisdiction.

Publication Date: 
Friday, September 29, 2023 - 4:00am

Air Plan Approval; Washington; Southwest Clean Air Agency; Emission Standards and Controls for Sources Emitting Gasoline Vapors

The Environmental Protection Agency (EPA) is approving a revision to the Washington State Implementation Plan (SIP) for the Southwest Clean Air Agency (SWCAA) jurisdiction as it relates to the ozone National Ambient Air Quality Standard.

Publication Date: 
Thursday, September 28, 2023 - 4:00am

Air Plan Revisions; California; Placer County Air Pollution Control District; General Permit Requirements, New Source Review

The Environmental Protection Agency (EPA) is taking final action on two permitting rules submitted as a revision to the Placer County Air Pollution Control District (PCAPCD or ``District'') portion of the California State Implementation Plan (SIP). We are finalizing an approval of one rule and finalizing a limited approval and limited disapproval of the second rule. These revisions concern the District's New Source Review (NSR) permitting program for new and modified sources of air pollution under title I of the Clean Air Act (CAA or ``Act'').

Publication Date: 
Tuesday, September 26, 2023 - 4:00am

Air Plan Approval; Missouri; Revisions to the Cross-State Air Pollution Rule SO2 Group 1 Trading Program

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) submitted on November 29, 2021, by the State of Missouri. This final action approves revisions to a state regulation related to the Cross- State Air Pollution Rule SO<INF>2</INF> Group 1 Trading Program. The revisions alter the amounts of CSAPR SO<INF>2</INF> Group 1 emission allowances that are allocated to two of the state's units from the state's annual emissions budgets.

Publication Date: 
Friday, September 15, 2023 - 4:00am

Air Plan Approval; Texas; Clean Air Act Requirements for Enhanced Vehicle Inspection and Maintenance

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving portions of the State Implementation Plan (SIP) revisions submitted to the EPA by the State of Texas (the State) for the 2008 8-hour ozone National Ambient Air Quality Standard (NAAQS). The SIP revisions being approved describe how CAA requirements for vehicle Inspection and Maintenance (I/M) are met in the Dallas-Fort Worth (DFW) and Houston-Galveston-Brazoria (HGB) Serious ozone nonattainment areas.

Publication Date: 
Friday, September 8, 2023 - 4:00am

Air Plan Approval; New Hampshire; Reasonable Available Control Technology for the 2008 and 2015 Ozone Standards

The Environmental Protection Agency (EPA) is approving portions of State Implementation Plan (SIP) revisions submitted by the State of New Hampshire that certify that the state has adopted regulations meeting the requirements for reasonably available control technology (RACT) for the 2008 and 2015 ozone national ambient air quality standards (NAAQS), and portions of amendments to a related regulation that New Hampshire revised to fulfill RACT requirements for these two NAAQS. We are also approving a revision to the state's definition of emergency generator.

Publication Date: 
Wednesday, September 6, 2023 - 4:00am

Air Plan Approval; Rhode Island; Organic Solvent Cleaning Regulation

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Rhode Island. This SIP amendment consists of revisions to the Rhode Island Air Pollution Control Regulation No. 36 Control of Emissions from Organic Solvent Cleaning. The SIP revisions include minor regulatory changes to provide consistency with federal regulations for National Emissions Standards for Hazardous Air Pollutants (NESHAP) for Halogenated Solvent Cleaning. This action is being taken in accordance with the Clean Air Act (CAA).

Publication Date: 
Friday, September 1, 2023 - 4:00am

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