Incorporation by reference

Air Plan Approval; OR; Smoke Management Revision

The Environmental Protection Agency (EPA) is approving Oregon State Implementation Plan (SIP) revisions submitted on November 3, 2014, and September 27, 2019. The submitted revisions incorporate by reference the most recent updates to Oregon's Smoke Management Plan. EPA is acting only on the most recent version of such regulations as the previous versions are no longer in effect as a matter of state law. EPA is also making technical corrections related to previous approvals of components of Oregon's SIP. EPA has determined that the changes are consistent with Clean Air Act requirements.

Publication Date: 
Tuesday, May 25, 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

Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; Western Nevada County, California

The Environmental Protection Agency (EPA) is taking final action to approve, or conditionally approve, all or portions of a state implementation plan (SIP) revision submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the Nevada County (Western part), California ozone nonattainment area (``Western Nevada County'').

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

Federal Plan Requirements for Municipal Solid Waste Landfills That Commenced Construction On or Before July 17, 2014, and Have Not Been Modified or Reconstructed Since July 17, 2014

In this action, the U.S. Environmental Protection Agency (EPA) is promulgating a Federal plan to implement the Emission Guidelines (EG) and Compliance Times for Municipal Solid Waste (MSW) Landfills (2016 MSW Landfills EG) for existing MSW landfills located in states and Indian country where state plans or tribal plans are not in effect.

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

Air Plan Approval; California; Mojave Desert Air Quality Management District, Placer County Air Pollution Control District, South Coast Air Quality Management District

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD), Placer County Air Pollution Control District (PCAPCD) and the South Coast Air Quality Management District (SCAQMD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of: Volatile organic compounds (VOCs) and particulate matter (PM) from metal coating operations. We are proposing to approve local rules and rescissions to regulate these emission sources under the Clean Air Act (CAA or the 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; Texas; Clean Data Determination for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard; Anderson and Freestone Counties and Titus County Nonattainment Areas

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving a clean data determination for the Anderson and Freestone Counties and the Titus County nonattainment areas, concluding that each area is currently in attainment of the 2010 1-hour Primary Sulfur Dioxide National Ambient Air Quality Standard (SO<INF>2</INF> NAAQS) per the EPA's Clean Data Policy.

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

Air Plan Approval; Delaware; Nonattainment New Source Review Requirements for 2015 8-Hour Ozone National Ambient Air Quality Standard

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Delaware Department of Natural Resources and Environmental Control (DNREC). The revision fulfills Delaware's nonattainment new source review (NNSR) SIP element requirement for the 2015 8-hour ozone National Ambient Air Quality Standard (NAAQS). EPA is approving these revisions to the Delaware SIP in accordance with the requirements of the Clean Air Act (CAA).

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

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