Sulfur oxides

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 Implementation Plans; North Dakota; Revisions to Air Pollution Control Rules; Regional Haze

The Environmental Protection Agency (EPA) is proposing to approve a revision to the North Dakota State Implementation Plan (SIP) submitted by the State of North Dakota on November 11, 2016 and supplemented on March 15, 2021, that addresses amendments to the regional haze provisions of the North Dakota Administrative Code (NDAC). These revisions were submitted to remove certain regional haze requirements related to Best Available Retrofit Technology (BART) in the first planning period.

Publication Date: 
Thursday, April 1, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; Utah; 2017 Base Year Inventories for the 2015 8-Hour Ozone National Ambient Air Quality Standard for the Uinta Basin, Northern Wasatch Front and Southern Wasatch Front Nonattainment Areas

The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the State of Utah. The revision fulfills the base year inventory requirement for the 2015 8-hour ozone national ambient air quality standard (NAAQS) for the Uinta Basin, Northern Wasatch Front, and Southern Wasatch Front nonattainment areas. Utah submitted the base year emissions inventories to meet, in part, the nonattainment requirements for Marginal ozone nonattainment areas under the 2015 8- hour ozone NAAQS.

Publication Date: 
Thursday, April 1, 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; Maine; Removal of Reliance on Reformulated Gasoline in the Southern Counties of Maine

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Maine on August 20, 2020. The Maine Department of Environmental Protection (Maine DEP) submission is in support of the State's separate petition requesting that EPA remove the federal reformulated gasoline (RFG) requirements for York, Cumberland, Sagadahoc, Androscoggin, Kennebec, Knox and Lincoln Counties (hereinafter referred to as the ``southern Maine counties'').

Publication Date: 
Thursday, March 25, 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; Nebraska; Revisions to Title 115 of the Nebraska Administrative Code; Rules of Practice and Procedure

The Environmental Protection Agency (EPA) is proposing to approve revisions to the State Implementation Plan (SIP) submitted by the State of Nebraska on September 24, 2020. This proposed action will amend the SIP to revise title 115 of the Nebraska Administrative Code ``Nebraska Rules of Practice and Procedure.'' Title 115 describes the procedures the Nebraska Department of Environment and Energy (NDEE), formerly the Nebraska Department of Environmental Quality (NDEQ), will follow for proceedings under the Administrative Procedure Act.

Publication Date: 
Friday, March 19, 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

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