Air pollution control

Air Plan Revisions; California; San Joaquin Valley Air Pollution Control District; Stationary Source Permits

The Environmental Protection Agency (EPA) is taking final action on a permitting rule submitted as a revision to the San Joaquin Valley Air Pollution Control District (SJVAPCD or ``District'') portion of the California state implementation plan (SIP). We are finalizing a limited approval and limited disapproval of the rule. This revision concerns the District's new source review (NSR) permitting program for new and modified sources of air pollution under section 110(a)(2)(C) and part D of title I of the Clean Air Act (CAA or ``Act'').

Publication Date: 
Monday, July 10, 2023 - 4:00am

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

The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the State of New Hampshire. These revisions provide certifications 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).

Publication Date: 
Monday, July 10, 2023 - 4:00am

Air Plan Approval and Limited Approval-Limited Disapproval; California; Antelope Valley Air Quality Management District; Stationary Source Permits; New Source Review

The Environmental Protection Agency (EPA) is finalizing an approval and a limited approval and limited disapproval of revisions to the Antelope Valley Air Quality Management District (AVAQMD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern the District's New Source Review (NSR) permitting program for new and modified sources of air pollution under part D of title I of the Clean Air Act (CAA or ``Act''). This action updates the District's portion of the California SIP with nine revised rules.

Publication Date: 
Monday, July 3, 2023 - 4:00am

Air Plan Partial Approval and Partial Disapproval; Missouri; Revision to Sulfur Dioxide Control Requirements for Lake Road Generating Facility

The Environmental Protection Agency (EPA) is taking final action to partially approve and partially disapprove revisions to the State Implementation Plan (SIP) submitted by the State of Missouri on February 17, 2022. In its submission, the Missouri Department of Natural Resources (MoDNR) requested that revisions to a 2016 Administrative Order on Consent (AOC) for controlling sulfur dioxide (SO<INF>2</INF>) emissions at the Lake Road power plant (hereinafter referred to as ``2016 AOC'') be approved in the SIP.

Publication Date: 
Monday, July 3, 2023 - 4:00am

Air Plan Revisions; California; Yolo-Solano Air Quality Management District

The Environmental Protection Agency (EPA) is taking final action to partially approve and partially disapprove a revision to the Yolo-Solano Air Quality Management District (YSAQMD) portion of the California State Implementation Plan (SIP). The revision concerns the YSAQMD's demonstration regarding reasonably available control technology (RACT) requirements for the 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS or ``standards'') in the portion of the Sacramento Metropolitan nonattainment area under the jurisdiction of the YSAQMD.

Publication Date: 
Friday, June 30, 2023 - 4:00am

Approval, Limited Approval and Limited Disapproval of California Air Plan Revisions; Mojave Desert Air Quality Management District; Stationary Source Permits

The Environmental Protection Agency (EPA) is finalizing an approval and a limited approval and limited disapproval of revisions to the Mojave Desert Air Quality Management District (MDAQMD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern the District's New Source Review (NSR) permitting program for new and modified sources of air pollution under part D of title I of the Clean Air Act (CAA or ``Act''). This action updates the District's portion of the California SIP with ten revised rules.

Publication Date: 
Friday, June 30, 2023 - 4:00am

Air Plan Approval; State of Missouri; Confidential Information

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri. This final action will amend the SIP to approve a revision submitted by the State of Missouri on September 20, 2022, to the existing state rule, ``Confidential Information.'' These revisions include structural, formatting and other text changes that are administrative in nature and do not impact the stringency of the SIP or air quality.

Publication Date: 
Thursday, June 29, 2023 - 4:00am

Air Plan Approval; Montana; Revisions to Regional Haze State Implementation Plan and Partial Withdrawals to Regional Haze Federal Implementation Plan

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Montana on March 25, 2020, addressing regional haze.

Publication Date: 
Monday, June 26, 2023 - 4:00am

Air Plan Approval; Tennessee; Revisions to Startup, Shutdown, and Malfunction Rules

The Environmental Protection Agency (EPA) is approving portions of a State Implementation Plan (SIP) revision submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC), on November 19, 2016, as supplemented on January 20, 2023, in response to a finding of substantial inadequacy and SIP call published on June 12, 2015, regarding provisions in the Tennessee SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events.

Publication Date: 
Friday, June 23, 2023 - 4:00am

Air Plan Approval; Ohio; Proposed Approval of the Muskingum River SO2 Attainment Plan

The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), a revision to the Ohio State Implementation Plan (SIP) intended to provide for attainment of the 2010 primary, health-based 1-hour sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or standard) for the Muskingum River SO<INF>2</INF> nonattainment area.

Publication Date: 
Thursday, June 22, 2023 - 4:00am

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