Nitrogen dioxide

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Reasonably Available Control Technology Determinations for Case-by-Case Sources Under the 1997 and 2008 8-Hour Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is approving multiple state implementation plan (SIP) revisions submitted by the Commonwealth of Pennsylvania. These revisions were submitted by the Pennsylvania Department of Environmental Protection (PADEP) to establish and require reasonably available control technology (RACT) for 23 major volatile organic compound (VOC) and/or nitrogen oxide (NO<INF>X</INF>) emitting facilities pursuant to the Commonwealth of Pennsylvania's conditionally approved RACT regulations.

Publication Date: 
Wednesday, January 26, 2022 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg: Source Testing

The Environmental Protection Agency (EPA) is finalizing approval of a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg County Local Implementation Plan (LIP). The revision was submitted through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Pollution Control (MCAQ), via a letter dated April 24, 2020, which was received by EPA on June 19, 2020.

Publication Date: 
Tuesday, January 25, 2022 - 4:00am

Air Plan Approval; South Carolina; Catawba Indian Nation Portion of the Charlotte-Gastonia-Rock Hill Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS

The Environmental Protection Agency (EPA) is taking final action to a approve state implementation plan (SIP) revision submitted by the State of South Carolina, through the Department of Health and Environmental Control (DHEC), via a letter dated July 7, 2020.

Publication Date: 
Tuesday, January 25, 2022 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg Monitoring, Recordkeeping, and Reporting Rule Revisions

The Environmental Protection Agency (EPA) is finalizing a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg Local Implementation Plan (LIP). The revision was submitted by the State of North Carolina, through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Quality (MCAQ) via a letter dated April 24, 2020, and was received by EPA on June 19, 2020.

Publication Date: 
Tuesday, January 25, 2022 - 4:00am

Air Plan Approval; Washington; Update to the Yakima Regional Clean Air Agency Wood Heater and Burn Ban Regulations

The Environmental Protection Agency (EPA) is approving revisions to the Yakima Regional Clean Air Agency (YRCAA) regulations designed to control particulate matter from residential wood heaters, such as woodstoves and fireplaces. The updated YRCAA regulations set fine particulate matter trigger levels for impaired air quality burn bans, consistent with statutory changes enacted by the Washington State Legislature.

Publication Date: 
Monday, January 24, 2022 - 4:00am

Approval and Promulgation of Air Quality Implementation Plan; Delaware; Emissions Statement Certification for the 2015 Ozone National Ambient Air Quality Standard

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision formally submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC). The revision provides Delaware's certification that its existing emissions statement program satisfies the emissions statement requirements of the Clean Air Act (CAA) for the 2015 ozone national ambient air quality standard (NAAQS).

Publication Date: 
Wednesday, January 19, 2022 - 4:00am

Disapproval of Air Quality Implementation Plans; Wyoming; Proposed Revisions to Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) is proposing to disapprove a State Implementation Plan (SIP) revision submitted by the State of Wyoming on May 14, 2020, and supplemented in September and October 2020, addressing regional haze (``Wyoming's 2020 SIP revision'').

Publication Date: 
Tuesday, January 18, 2022 - 4:00am

Limited Approval and Limited Disapproval of California Air Quality Implementation Plan Revisions; Amador Air District; Stationary Source Permits

The Environmental Protection Agency (EPA) is finalizing a limited approval and limited disapproval of a revision to the Amador Air District's (AAD or ``District'') portion of the California State Implementation Plan (SIP). This revision governs the District's issuance of permits for stationary sources, and focuses on the preconstruction review and permitting of major sources and major modifications under part D of title I of the Clean Air Act (CAA or ``Act'').

Publication Date: 
Wednesday, January 12, 2022 - 4:00am

Air Plan Approval; North Carolina; Minor Revisions to Cotton Ginning Operations Rule

The Environmental Protection Agency (EPA) is approving a revision to the North Carolina State Implementation Plan (SIP) submitted by the State of North Carolina Department of Environmental Quality, Division of Air Quality, via a letter dated April 13, 2021, and received by EPA on April 14, 2021. This revision contains minor clarifying and typographical edits to North Carolina's cotton ginning operations rule. EPA is finalizing approval of these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Tuesday, January 11, 2022 - 4:00am

Air Plan Approval; Connecticut; 2015 Ozone NAAQS Interstate Transport Requirements

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut as meeting the Clean Air Act (CAA) requirement that each State's SIP contain adequate provisions to prohibit emissions that will significantly contribute to nonattainment or interfere with maintenance of the 2015 8-hour ozone national ambient air quality standards (NAAQS) in any other state. This action is being taken in accordance with the CAA.

Publication Date: 
Monday, December 20, 2021 - 4:00am

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