Incorporation by reference

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

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

Air Plan Approval; Arizona; Miami Copper Smelter Sulfur Dioxide Control Measures

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Arizona State Implementation Plan (SIP). This revision concerns emissions of sulfur dioxide (SO<INF>2</INF>) from the copper smelter in Miami, Arizona. We are approving the rescission of two Arizona Department of Environmental Quality (ADEQ) Arizona Administrative Code (A.A.C.) provisions from the Arizona SIP that are no longer needed to regulate this emission source under the Clean Air Act (CAA or the ``Act'').

Publication Date: 
Monday, May 10, 2021 - 4:00am

Air Plan Approval; Washington; Spokane Regional Clean Air Agency

The Environmental Protection Agency (EPA) is approving a revision to the Washington State Implementation Plan (SIP) that was submitted by the Department of Ecology (Ecology) in coordination with the Spokane Regional Clean Air Agency (SRCAA). This revision updates the SIP with local SRCAA regulations that apply in lieu of, or in supplement to, Ecology's statewide general air quality regulations for SRCAA's jurisdiction.

Publication Date: 
Monday, May 10, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; South Dakota; Revisions to Air Rules of South Dakota

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of South Dakota on January 3, 2020 that revises the Administrative Rules of South Dakota (ARSD), Air Pollution Control Program, updating the chapter pertaining to definitions. The EPA is taking this action pursuant to the Clean Air Act (CAA).

Publication Date: 
Monday, May 10, 2021 - 4:00am

Air Plan Approval; Texas; Reasonable Further Progress Plan for the Houston-Galveston-Brazoria Ozone Nonattainment Area

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving revisions to the Texas State Implementation Plan (SIP) to meet the Reasonable Further Progress (RFP) requirements for the Houston-Galveston-Brazoria (HGB) serious ozone nonattainment area for the 2008 ozone National Ambient Air Quality Standard (NAAQS). Specifically, EPA is approving the RFP demonstration and associated Motor Vehicle Emission Budgets (MVEBs), and a revised 2011 base year emissions inventory (EI) for the HGB area.

Publication Date: 
Monday, May 10, 2021 - 4:00am

Finding of Failure To Attain the 2008 Lead and 2010 Sulfur Dioxide Standards; Arizona; Hayden and Miami Nonattainment Areas

The Environmental Protection Agency (EPA) is proposing to determine that the Hayden lead (Pb) nonattainment area (NAA) failed to attain the 2008 Pb primary and secondary national ambient air quality standards (NAAQS or ``standards'') by the applicable attainment date of October 3, 2019. This proposed determination is based upon monitored air quality data from November 2015-December 2018 for the 2008 Pb NAAQS.

Publication Date: 
Monday, May 10, 2021 - 4:00am

Air Plan Approval; Louisiana; Infrastructure State Implementation Plan Requirements for the National Ambient Air Quality Standards

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving the State Implementation Plan (SIP) submittal from Louisiana submitted on November 4, 2020 for the 2015 ozone, as well as the 2006 PM<INF>2.5</INF>, 2008 ozone, 2010 nitrogen dioxide, 2010 sulfur dioxide and the 2012 PM<INF>2.5</INF> National Ambient Air Quality Standards.

Publication Date: 
Monday, May 10, 2021 - 4:00am

Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; West Mojave Desert, California

The Environmental Protection Agency (EPA) is proposing to approve, or conditionally approve, all or portions of the state implementation plan (SIP) revision submitted by the State of California to meet Clean Air Act requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the West Mojave Desert ozone nonattainment area.

Publication Date: 
Monday, May 10, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; Utah; R307-204 Emission Standards: Smoke Management

The Environmental Protection Agency (EPA) is approving state implementation plan (SIP) revisions submitted by State of Utah on November 5, 2019. The revisions amend R307-204 to meet the requirements set forth in Utah's 2019 House Bill (H.B.) 155. This action is being taken under section 110 of the Clean Air Act (CAA).

Publication Date: 
Monday, May 10, 2021 - 4:00am

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