Sulfur oxides

Outer Continental Shelf Air Regulations; Consistency Update for New York

The Environmental Protection Agency (EPA) is finalizing an update to a portion of the Outer Continental Shelf (OCS) Air Regulations. Requirements applying to OCS sources located within 25 miles of states' seaward boundaries must be updated periodically to remain consistent with the requirements of the corresponding onshore area (COA), as mandated by the Clean Air Act (CAA). The portion of the OCS air regulations that is being updated here pertains to the requirements for OCS sources for which the State of New York is the COA.

Publication Date: 
Wednesday, September 14, 2022 - 4:00am

Air Plan Approval; Missouri; St. Louis Area Vehicle Inspection and Maintenance Program

The Environmental Protection Agency (EPA) is taking final action to approve, through parallel processing, revisions to the Missouri State Implementation Plan (SIP) relating to the St. Louis area's vehicle Inspection and Maintenance (I/M) Program received on November 12, 2019, March 2, 2022, and May 24, 2022. In the submissions, Missouri requests the EPA's approval of revisions to a regulation and related plan that implement the St. Louis area's Inspection and Maintenance program called, Gateway Vehicle Inspection Program (GVIP).

Publication Date: 
Tuesday, September 13, 2022 - 4:00am

Air Plan Approval; Virginia; Negative Declaration Certification for the 2015 Ozone National Ambient Air Quality Standard for the 2016 Oil and Natural Gas Control Techniques Guidelines

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia. The revision provides Virginia's determination for the 2015 Ozone national ambient air quality standards (NAAQS), via a negative declaration, that there are no sources within the Northern Virginia volatile organic compound (VOC) Emissions Control Area subject to EPA's 2016 Oil and Natural Gas control techniques guidelines (2016 Oil and Gas CTG).

Publication Date: 
Monday, September 12, 2022 - 4:00am

Air Plan Approval; MO; Restriction of Visible Air Contaminant Emissions

The Environmental Protection Agency (EPA) is proposing approval of revisions to the Missouri State Implementation Plan (SIP) received on November 29, 2016, and March 7, 2019. The revision was submitted by Missouri in response to a finding of substantial inadequacy and SIP call published on June 12, 2015, for a provision in the Missouri SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events. In the submissions, Missouri requests to revise a regulation related to restriction of emissions of visible air contaminants.

Publication Date: 
Monday, September 12, 2022 - 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 proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Montana on March 25, 2020, addressing regional haze.

Publication Date: 
Friday, September 9, 2022 - 4:00am

Air Plan Approval; Iowa; State Implementation Plan and State Operating Permits Program

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the State Implementation Plan (SIP) and Operating Permit Program for the State of Iowa. This final action will amend the SIP to update incorporations by reference to EPA methods for measuring air pollutant emissions, performance testing (stack testing) and continuous monitoring. 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: 
Friday, September 9, 2022 - 4:00am

Approval and Promulgation of Implementation Plans; State of Utah; Revisions to Utah Administrative Code: Environmental Quality; Title R307; Air Quality

The Environmental Protection Agency (EPA) is approving revisions to the Utah Division of Administrative Rules (DAR) submitted by the State of Utah on May 21, 2020, May 28, 2020, November 3, 2020, and November 12, 2020. The EPA is taking this action pursuant to the Clean Air Act (CAA).

Publication Date: 
Thursday, September 8, 2022 - 4:00am

Air Plan Approval; Missouri; Ameren Sioux Sulfur Dioxide Consent Agreement

The Environmental Protection Agency (EPA) is proposing approval of source-specific revisions to the Missouri State Implementation Plan (SIP) received on April 21, 2022. In the submission, Missouri requests that the EPA incorporate into the SIP an additional sulfur dioxide (SO<INF>2</INF>) emissions limit for the Ameren Missouri (Ameren)--Sioux Energy Center (Sioux).

Publication Date: 
Thursday, September 1, 2022 - 4:00am

Air Plan Approval; Albuquerque-Bernalillo County, New Mexico; Excess Emissions

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision from the New Mexico Environment Department (NMED) submitted on October 17, 2016, on behalf of the Albuquerque-Bernalillo County Air Quality Control Board (Air Board). The submittal is 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: 
Monday, August 29, 2022 - 4:00am

Air Plan Approval; North Carolina; Prevention of Significant Deterioration for Mecklenburg County

The Environmental Protection Agency (EPA) is proposing to approve a portion 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: 
Wednesday, August 24, 2022 - 4:00am

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