Intergovernmental relations

Air Plan Disapproval; Delaware; Removal of Excess Emissions Provisions

The Environmental Protection Agency (EPA) is disapproving certain portions of a state implementation plan (SIP) revision submitted by the State of Delaware, through the Delaware Department of Natural Resources and Environmental Control (DNREC), on November 22, 2016. The revision was submitted by Delaware in response to a national finding of substantial inadequacy and SIP call published on June 12, 2015, which included certain provisions in the Delaware SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events.

Publication Date: 
Monday, October 23, 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

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; New Jersey; Redesignation of the Warren County 1971 Sulfur Dioxide Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan

On November 15, 2021, the New Jersey Department of Environmental Protection (NJDEP) submitted a request for the Environmental Protection Agency (EPA) to approve the redesignation of the New Jersey portion of the Northeast Pennsylvania-Upper Delaware Valley Interstate Air Quality Control Region (Warren County, New Jersey) from nonattainment to attainment for the 1971 Sulfur Dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS).

Publication Date: 
Monday, October 2, 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; WA; Yakima County Outdoor and Agricultural Burning Rule Revisions

The Environmental Protection Agency (EPA) is approving into the Washington State Implementation Plan (SIP) the Yakima Regional Clean Air Agency's (YRCAA) revised outdoor and agricultural burning rule submitted by the State of Washington (Washington or the State) on October 14, 2021. The submitted revisions improve stringency, clarity and enforceability of the rule. The EPA is proposing to approve the SIP submission as consistent with Clean Air Act (Act or CAA) requirements.

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

Air Plan Approval; Indiana; ArcelorMittal and NIPSCO Sulfur Dioxide Revisions

The Environmental Protection Agency (EPA) is approving, under the Clean Air Act (CAA), revisions to the sulfur dioxide (SO<INF>2</INF>) portion of the Indiana State Implementation Plan (SIP). The state of Indiana is requesting revisions to emission limits at the Northern Indiana Public Service Company Bailly Station (NIPSCO) facility reflecting permanently shut down units. Indiana is also requesting SIP revisions for two facilities formerly owned by ArcelorMittal USA LLC and currently owned by Cleveland-Cliffs LLC (the Indiana Harbor East and Indiana Harbor West facilities).

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

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