Reporting and recordkeeping requirements

Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards

The Environmental Protection Agency (EPA) is finalizing a program to further reduce air pollution, including ozone and particulate matter (PM), from heavy-duty engines and vehicles across the United States. The final program includes new emission standards that are significantly more stringent and that cover a wider range of heavy-duty engine operating conditions compared to today's standards; further, the final program requires these more stringent emissions standards to be met for a longer period of when these engines operate on the road.

Publication Date: 
Tuesday, January 24, 2023 - 4:00am

Second 10-Year Maintenance Plan for the Indian Wells Valley PM10

The Environmental Protection Agency (EPA) is taking final action to approve the ``Indian Wells Valley Second 10-Year PM<INF>10</INF> Maintenance Plan'' (``Indian Wells Second Maintenance Plan'' or ``Plan'') as a revision to the state implementation plan (SIP) for the State of California. The Indian Wells Second Maintenance Plan includes, among other elements, a base year emissions inventory, a maintenance demonstration, contingency provisions, and motor vehicle emissions budgets for use in transportation conformity determinations.

Publication Date: 
Wednesday, January 18, 2023 - 4:00am

Air Plan Approval; California; San Diego County Air Pollution Control District

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the San Diego County Air Pollution Control District's (SDCAPCD or ``District'') portion of the California State Implementation Plan (SIP). This revision concerns a negative declaration for the 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS) in the ozone nonattainment area under the jurisdiction of the SDCAPCD and one volatile organic compound (VOC) rule covering transfer of organic compounds into mobile transport trucks.

Publication Date: 
Tuesday, January 17, 2023 - 4:00am

Air Plan Approval; North Carolina; Charlotte-Gastonia-Rock Hill Area Limited Maintenance Plan for the 1997 8-Hour Ozone NAAQS

The Environmental Protection Agency (EPA) is finalizing approval of a state implementation plan (SIP) revision submitted by the State of North Carolina, through the North Carolina Department of Environment Quality, Division of Air Quality (DAQ), via a letter dated December 9, 2021.

Publication Date: 
Friday, January 13, 2023 - 4:00am

Air Plan Approval; North Carolina; Minor Revisions to Nitrogen Oxides Rule

The Environmental Protection Agency (EPA) is finalizing the approval of a revision to the North Carolina State Implementation Plan (SIP) submitted by the North Carolina Department of Environmental Quality (NCDEQ), Division of Air Quality, via a letter dated April 13, 2021, and received by EPA on April 14, 2021. This revision contains minor clarifying and typographical edits to North Carolina's nitrogen oxides (NO<INF>X</INF>) rule. EPA is approving these changes pursuant to the Clean Air Act (CAA or Act).

Publication Date: 
Friday, January 13, 2023 - 4:00am

Finding of Failure To Attain and Reclassification of Las Vegas Area as Moderate for the 2015 Ozone National Ambient Air Quality Standard

The Environmental Protection Agency (EPA or Agency) is determining that the Las Vegas, Nevada nonattainment area (``Las Vegas'') failed to attain the 2015 ozone National Ambient Air Quality Standard (NAAQS) by the applicable attainment date. The effect of failing to attain by the applicable attainment date is that Las Vegas is being reclassified by operation of law as ``Moderate'' nonattainment for the 2015 ozone NAAQS on January 5, 2023, the effective date of this final rule.

Publication Date: 
Thursday, January 5, 2023 - 4:00am

Air Plan Disapproval; Missouri; Control of Sulfur Dioxide Emissions

The Environmental Protection Agency (EPA) is taking final action to disapprove revisions to the Missouri State Implementation Plan (SIP) submitted by Missouri on March 7, 2019. In its submission, Missouri requested rescinding a regulation addressing sulfur compounds from the SIP and replacing it with a new regulation that establishes requirements for units emitting sulfur dioxide (SO<INF>2</INF>).

Publication Date: 
Wednesday, January 4, 2023 - 4:00am

Air Plan Approval; Arizona; Maricopa County; Power Plants

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Maricopa County Air Quality Department's (MCAQD or County) portion of the Arizona State Implementation Plan (SIP). The revision addresses Arizona's reasonably available control technology (RACT) SIP obligations for the Phoenix- Mesa ozone nonattainment area that is classified as Moderate nonattainment for the 2008 ozone national ambient air quality standards (NAAQS).

Publication Date: 
Friday, December 30, 2022 - 4:00am

Approval and Promulgation of State Air Quality Plans for Designated Facilities and Pollutants; Arkansas; Control of Emissions From Existing Municipal Solid Waste Landfills

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving the CAA section 111(d) state plan submitted by the State of Arkansas for sources subject to the Municipal Solid Waste (MSW) Landfills Emission Guidelines (EG). The Arkansas MSW landfills plan was submitted to fulfill the state's obligations under CAA section 111(d) to implement and enforce the requirements under the MSW Landfills EG. The EPA is approving the state plan and amending the agency regulations in accordance with the requirements of the CAA.

Publication Date: 
Thursday, December 29, 2022 - 4:00am

Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; South Coast Air Quality Management District

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD) and South Coast Air Quality Management District (SCAQMD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) and oxides of nitrogen (NO<INF>X</INF>) from flares. We are approving these local rules to regulate these emission sources under the Clean Air Act (CAA or the Act).

Publication Date: 
Wednesday, December 28, 2022 - 4:00am

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