Sulfur oxides

Air Plan Approval; Missouri; Construction Permits By Rule

The Environmental Protection Agency (EPA) is approving selected revisions to a Missouri State rule in the State Implementation Plan (SIP) that establishes a process and standardized conditions under which certain types of sources can construct and operate in lieu of going through the State's formal construction permitting process.

Publication Date: 
Wednesday, June 2, 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 approving a State Implementation Plan (SIP) revision submitted by the State of Maine. This revision incorporates Maine's statute repealing the State's requirement for the sale of federal reformulated gasoline (RFG) in York, Cumberland, Sagadahoc, Androscoggin, Kennebec, Knox and Lincoln Counties (hereinafter referred to as the ``southern Maine counties'') into the Maine SIP. The intended effect of this action is to approve the SIP revision and approve, but not incorporate into the SIP, the corresponding noninterference demonstration.

Publication Date: 
Wednesday, June 2, 2021 - 4:00am

Clean Air Act New Source Review Operating Permit Program; Notice of Transfer of Permits to Wyoming Department of Environmental Quality

The EPA is proposing to grant Wyoming Department of Environmental Quality's (WDEQ) August 21, 2020 request to transfer to the State administrative authority over two federal permits that were issued by the EPA on June 26, 1973 under the federal new source review (NSR) permitting program. In addition, the EPA is proposing to agree with WDEQ's analysis in its August 21, 2020 letter demonstrating that the current Wyoming regulations still meet the requirements of the federal NSR permitting program. This action is proposing to transfer the 1973 federally issued permits to Wyoming.

Publication Date: 
Friday, May 28, 2021 - 4:00am

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

The Environmental Protection Agency (EPA) is taking final action 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 section 110 of the Clean Air Act (CAA).

Publication Date: 
Thursday, May 27, 2021 - 4:00am

Air Plan Approval; ID: Logan Utah-Idaho PM2.5

The Environmental Protection Agency (EPA) is redesignating the Idaho portion of the Logan, Utah-Idaho fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Logan UT-ID NAA) to attainment for the 2006 PM<INF>2.5</INF> National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Friday, May 21, 2021 - 4:00am

Approval and Promulgation of State Plans for Designated Facilities and Pollutants: Massachusetts; 111(d)/129 Revised State Plan for Large Municipal Waste Combustors

The Environmental Protection Agency (EPA) is proposing to approve the Clean Air Act State Plan revisions for Large Municipal Waste Combustors (MWC) submitted by the Massachusetts Department of Environmental Protection (MassDEP) on December 18, 2018. The revised State Plan is in response to amended emission guidelines (EGs) for Large MWCs promulgated on May 10, 2006. MassDEP's State Plan is for implementing and enforcing provisions at least as protective as the EGs applicable to existing Large MWC. This action is being taken under the Clean Air Act.

Publication Date: 
Thursday, May 20, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; State of Utah; Logan, Utah-Idaho PM2.5

The Environmental Protection Agency (EPA) is approving the request by the State of Utah to redesignate the Logan, Utah-Idaho (UT- ID) nonattainment area (NAA) (Logan NAA) to attainment status for the 2006 24-hour National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 microns (PM<INF>2.5</INF>), and approving related State Implementation Plan (SIP) revisions submitted by the State of Utah on November 5, 2019, and January 13, 2020.

Publication Date: 
Wednesday, May 19, 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 taking final action to approve revisions to the State Implementation Plan (SIP) submitted by the State of Nebraska on September 24, 2020. This final action will amend the SIP to revise the Nebraska Administrative Code ``Nebraska Rules of Practice and Procedure.'' These rules describe 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: 
Tuesday, May 18, 2021 - 4:00am

Air Plan Approval; Pennsylvania; Allegheny County Area Attainment Plan for the 2012 Fine Particulate Matter National Ambient Air Quality Standard

The Environmental Protection Agency (EPA) is approving most elements of a state implementation plan (SIP) revision submitted by the Pennsylvania Department of Environmental Protection (PADEP) on behalf of the Allegheny County Health Department (ACHD) to address Clean Air Act (CAA or ``the Act'') requirements for the 2012 annual fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS or ``standards'') in the Allegheny County Moderate PM<INF>2.5</INF> nonattainment area (the ``Allegheny County Area,'' or ``the Area'').

Publication Date: 
Friday, May 14, 2021 - 4:00am

Air Plan Approval; Maine; Infrastructure State Implementation Plan Requirements for the 2015 Ozone Standard and Negative Declaration for the Oil and Gas Industry for the 2008 and 2015 Ozone Standards

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Maine. This revision addresses the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). This action includes all elements of these infrastructure requirements except for the ``Good Neighbor'' or ``transport'' provisions, which will be addressed in a future action.

Publication Date: 
Thursday, May 13, 2021 - 4:00am

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