Ozone

Air Plan Disapproval; Louisiana; Excess Emissions

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is disapproving a State Implementation Plan (SIP) revision submitted by the State of Louisiana, through the Louisiana Department of Environmental Quality (LDEQ), on November 20, 2016, and supplemented on June 9, 2017. The submittals were in response to the EPA's national SIP call on June 12, 2015, concerning excess emissions during periods of Startup, Shutdown, and Malfunction (SSM).

Publication Date: 
Thursday, December 7, 2023 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; New Jersey; Regional Haze State Implementation Plan for the Second Implementation Period

The Environmental Protection Agency (EPA) is approving the regional haze Staet implementation plan (SIP) revision submitted by New Jersey on March 26, 2020, as satisfying applicable requirements under the Clean Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period.

Publication Date: 
Thursday, November 16, 2023 - 4:00am

Approval and Promulgation of Implementation Plans; New York; Elements of the 2008 and 2015 Ozone National Air Quality Standards

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New York for purposes of certifying and meeting the requirements for Reasonably Available Control Technology (RACT) for the Serious classification of the 2008 and Moderate classification of the 2015 8-hour Ozone National Ambient Air Quality Standards (NAAQS). The EPA is also approving that this SIP revision fulfills SIP requirements pertaining to the Ozone Transport Region (OTR) for the 2015 Ozone NAAQS.

Publication Date: 
Thursday, November 9, 2023 - 4:00am

Air Plan Approval and Disapproval; Colorado; Serious Attainment Plan Elements and Related Revisions for the 2008 8-Hour Ozone Standard for the Denver Metro/North Front Range Nonattainment Area

The Environmental Protection Agency (EPA) is approving portions and disapproving portions of a state implementation plan (SIP) revision submitted by the State of Colorado to meet Clean Air Act (CAA) requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS) in the Denver Metro/North Front Range nonattainment area (DMNFR Area). Specifically, the EPA is approving the submitted enhanced monitoring SIP element as meeting applicable Serious area requirements for the 2008 8-hour ozone NAAQS, and is disapproving the contingency measure element of the SIP submittal.

Publication Date: 
Tuesday, November 7, 2023 - 4:00am

Air Plan Approval; FL; Miscellaneous SIP Revision

The Environmental Protection Agency (EPA) is approving a Florida State Implementation Plan (SIP) revision, submitted by the State of Florida through the Florida Department of Environmental Protection (FDEP) on April 1, 2022. The SIP revision revises multiple stationary source rules in Florida's SIP with substantive and minor changes throughout. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Monday, November 6, 2023 - 4:00am

Air Plan Approval; North Carolina; Revisions to Miscellaneous Particulate Matter Rules

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of North Carolina through the North Carolina Division of Air Quality (NCDAQ) via a letter dated April 13, 2021. The SIP revision seeks to modify the State's emission control standards by amending several air quality rules and removing a redundant rule for electric utility boilers. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Friday, November 3, 2023 - 4:00am

Air Plan Approval; Virginia; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the Hampton Roads Area

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia (Commonwealth or Virginia). This revision pertains to the Commonwealth's plan, submitted by the Virginia Department of Environmental Quality (VADEQ), for maintaining the 1997 8-hour ozone national ambient air quality standards (NAAQS) (referred to as the ``1997 ozone NAAQS'') in the Norfolk-Virginia Beach-Newport News (Hampton Roads), VA Area (Hampton Roads Area).

Publication Date: 
Tuesday, October 17, 2023 - 4:00am

Air Plan Approval; California; South Coast Air Quality Management District

The Environmental Protection Agency (EPA) is proposing to approve a revision to the South Coast Air Quality Management District (SCAQMD or ``the District'') portion of the California State Implementation Plan (SIP) as SIP strengthening. This revision concerns emissions of oxides of nitrogen (NO<INF>X</INF>) and particulate matter (PM) from indirect sources associated with warehouses.

Publication Date: 
Thursday, October 12, 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; 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

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