Sulfur oxides

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Regional Haze State Implementation Plan for the Second Implementation Period and Reasonably Available Control Technology for Major Stationary Sources of Nitrogen Oxides;

The Environmental Protection Agency (EPA) is proposing to approve the regional haze state implementation plan (SIP) submitted by the District of Columbia (``the District'' or ``DC'') through the Department of Energy and Environment (DOEE) on November 8, 2019, 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, April 15, 2021 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Regional Haze State Implementation Plan for the Second Implementation Period and Reasonably Available Control Technology for Major Stationary Sources of Nitrogen Oxides;

The Environmental Protection Agency (EPA) is proposing to approve the regional haze state implementation plan (SIP) submitted by the District of Columbia (``the District'' or ``DC'') through the Department of Energy and Environment (DOEE) on November 8, 2019, 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, April 15, 2021 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Regional Haze State Implementation Plan for the Second Implementation Period and Reasonably Available Control Technology for Major Stationary Sources of Nitrogen Oxides;

The Environmental Protection Agency (EPA) is proposing to approve the regional haze state implementation plan (SIP) submitted by the District of Columbia (``the District'' or ``DC'') through the Department of Energy and Environment (DOEE) on November 8, 2019, 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, April 15, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; State of Utah; Salt Lake City and Provo, Utah PM2.5

On November 6, 2020, the Environmental Protection Agency (EPA) published a notice of proposed rulemaking to approve redesignation of the Salt Lake City, Utah and Provo, Utah nonattainment areas (NAAs) to attainment for the 2006 24-hour fine particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS), and also acted on multiple related State Implementation Plan (SIP) submissions.

Publication Date: 
Tuesday, April 6, 2021 - 4:00am

Approval and Promulgation of State Plans for Designated Facilities and Pollutants; South Dakota; Control of Emissions From Existing Municipal Solid Waste Landfills

The Environmental Protection Agency (EPA) is approving a Clean Air Act (CAA or the ``Act'') section 111(d) state plan submitted by the South Dakota Department of Environment and Natural Resources (DENR or the ``Department'') on January 3, 2020. This plan was submitted to fulfill the requirements of the CAA and is responsive to the EPA's promulgation of Emission Guidelines and Compliance Times (EG) for existing municipal solid waste (MSW) landfills.

Publication Date: 
Tuesday, March 30, 2021 - 4:00am

Georgia; Approval of State Plan for Designated Facilities and Pollutants; Hospital/Medical/Infectious Waste Incineration (HMIWI) Units

The Environmental Protection Agency (EPA) is proposing to approve the Clean Air Act (CAA or the Act) section 111(d)/129 state plan submitted by the State of Georgia, through the Georgia Department of Natural Resources' Environmental Protection Division on August 1, 2018, and supplemented on January 7, 2019, for implementing and enforcing the Emission Guidelines (EG) and Compliance Schedules applicable to existing Hospital/Medical/Infectious Waste Incineration (HMIWI) units.

Publication Date: 
Friday, March 26, 2021 - 4:00am

Air Plan Approval; Arkansas; Arkansas Regional Haze and Visibility Transport State Implementation Plan Revisions

Pursuant to the Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is finalizing approval of a revision to the Arkansas State Implementation Plan (SIP) submitted by the State of Arkansas through the Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) on August 13, 2019. The SIP submittal addresses requirements of the Act and the Regional Haze Rule for visibility protection in mandatory Class I Federal areas (Class I areas) for the first implementation period.

Publication Date: 
Monday, March 22, 2021 - 4:00am

Air Plan Approval; Michigan; Partial Approval and Partial Disapproval of the Detroit SO2

The Environmental Protection Agency (EPA) is partially approving and partially disapproving a revision to the Michigan State Implementation Plan (SIP) for attaining the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Detroit SO<INF>2</INF> nonattainment area (NAA). This SIP revision (hereinafter called the ``Detroit SO<INF>2</INF> plan'' or ``plan'') includes Michigan's attainment demonstration and other elements required under the Clean Air Act (CAA).

Publication Date: 
Friday, March 19, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; Utah; Source Category Exemptions Revisions

The Environmental Protection Agency (EPA) is proposing to approve the State of Utah's Source Category Exemptions Revisions as submitted on November 5, 2019. The EPA is taking this action pursuant to the Clean Air Act (CAA).

Publication Date: 
Monday, March 15, 2021 - 4:00am

Air Plan Approval; Missouri; Missouri Reid Vapor Pressure Requirement

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 remove the Kansas City, Missouri low Reid Vapor Pressure (RVP) fuel requirement which required gasoline sold in the Kansas City, Missouri area to have a seven pounds per square inch Reid Vapor Pressure from June 1 to September 15. The majority of the state is subject to the Clean Air Act (CAA) nine pounds per square inch Reid Vapor Pressure fuel requirement from June 1 to September 15.

Publication Date: 
Friday, March 12, 2021 - 4:00am

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