Incorporation by reference

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

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mojave Desert Air Quality Management District (MDAQMD) and the Placer County Air Pollution Control District (PCAPCD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from metal coating operations and general regulatory definitions.

Publication Date: 
Monday, May 9, 2022 - 4:00am

Air Plan Approval; OR; Oakridge PM10

The Environmental Protection Agency (EPA) proposes to redesignate the Oakridge, Oregon nonattainment area (Oakridge NAA or Oakridge area) to attainment for the 1987 National Ambient Air Quality Standard for particulate matter of 10 microns or less (PM<INF>10</INF> NAAQS).

Publication Date: 
Monday, May 9, 2022 - 4:00am

Air Plan Approval; Missouri; Removal of Control of Emissions From Bakery Ovens

The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by the State of Missouri on January 15, 2019 and supplemented by letter on July 11, 2019. Missouri requests that the EPA remove from its SIP a rule related to control of emissions from bakery ovens in St. Louis City and Jefferson, St. Charles, Franklin, and St. Louis Counties. The EPA's proposed approval of this rule revision is in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Friday, May 6, 2022 - 4:00am

Air Plan Approval; Colorado; Addressing Remanded Portions of the Previously Approved Infrastructure Requirements for the 2015 Ozone National Ambient Air Quality Standards

On January 5, 2021, the United States Court of Appeals for the Tenth Circuit granted the Environmental Protection Agency's (EPA) motion for a voluntary remand without vacatur of two parts of EPA's 2020 final rule approving Colorado's infrastructure state implementation plan (SIP) submission for the 2015 8-hour ozone national ambient air quality standards (NAAQS) (2020 final rule).

Publication Date: 
Friday, May 6, 2022 - 4:00am

Air Plan Approval; New Hampshire; Env-A 800 Testing and Monitoring Procedures, Env-A 619.03 PSD Program Requirements, and Env-A 1200 VOC RACT

The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) revisions submitted by the State of New Hampshire.

Publication Date: 
Friday, May 6, 2022 - 4:00am

Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Texas; Control of Emissions From Existing Other Solid Waste Incineration Units

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving the CAA section 111(d)/129 state plan submitted by the State of Texas for sources subject to the Other Solid Waste Incineration Units (OSWI) Emission Guidelines (EG). The Texas OSWI plan was submitted to fulfill State obligations under CAA section 111(d)/129 to implement and enforce the requirements under the OSWI EG. The EPA is approving the state plan in part and amending the agency regulations in accordance with the requirements of the CAA.

Publication Date: 
Thursday, May 5, 2022 - 4:00am

Air Plan Approval; Oklahoma; Interstate Visibility Transport

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving elements of a State Implementation Plan (SIP) submission from the State of Oklahoma for the 2015 Ozone National Ambient Air Quality Standard (NAAQS) and disapproving elements of two SIP submissions for the 2010 sulfur dioxide (SO<INF>2</INF>) and the 2012 fine particulate matter (PM<INF>2.5</INF>) NAAQS. These infrastructure SIP (i-SIP) submissions address how the existing SIP provides for implementation, maintenance, and enforcement of these NAAQS.

Publication Date: 
Thursday, May 5, 2022 - 4:00am

Air Plan Approval; OR; Oakridge PM2.5

The Environmental Protection Agency (EPA) proposes to redesignate the Oakridge, Oregon nonattainment area (Oakridge NAA or Oakridge area) to attainment for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Thursday, May 5, 2022 - 4:00am

Protection of Stratospheric Ozone: Listing of HFO-1234yf Under the Significant New Alternatives Policy Program for Motor Vehicle Air Conditioning in Nonroad Vehicles and Servicing Fittings for Small Refrigerant Cans

Pursuant to the EPA's Significant New Alternatives Policy program, this action lists the refrigerant 2,3,3,3-tetrafluoroprop-1- ene, also known as HFO-1234yf or R-1234yf, as acceptable, subject to use conditions, in the motor vehicle air conditioning end-use for certain types of newly manufactured nonroad (also called off-road) vehicles, which includes some vehicles that are also considered heavy- duty vehicles.

Publication Date: 
Wednesday, May 4, 2022 - 4:00am

Air Plan Approval; Wisconsin; Redesignation of the Revised Door County (Partial) Area to Attainment of the 2015 Ozone Standard

The Environmental Protection Agency (EPA) finds that the revised Door County (partial) nonattainment area in Wisconsin is attaining the 2015 ozone National Ambient Air Quality Standard (NAAQS) and is approving, in accordance with a request from the Wisconsin Department of Natural Resources (WDNR), the redesignation of the area to attainment for the 2015 ozone NAAQS, because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). WDNR submitted this request on January 5, 2022.

Publication Date: 
Friday, April 29, 2022 - 4:00am

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