Administrative practice and procedure

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

The Environmental Protection Agency (EPA) is approving the Clean Air Act (CAA) State Plan for Municipal Waste Combustor (MWC) units submitted by the Maine Department of Environmental Protection (Maine DEP). This submission includes revisions to Maine's previously approved State Plan for existing Large MWCs in response to amended emission guidelines (EGs) for Large MWCs. This submission also includes a State Plan for existing Small MWCs.

Publication Date: 
Tuesday, March 14, 2023 - 4:00am

National Emission Standards for Hazardous Air Pollutants: Miscellaneous Coating Manufacturing Technology Review

The U.S. Environmental Protection Agency (EPA) is taking final action on the technology review conducted on the Miscellaneous Coating Manufacturing (MCM) source category regulated under the National Emission Standards for Hazardous Air Pollutants (NESHAP). These final amendments include provisions for inorganic hazardous air pollutant (HAP) standards for process vessels.

Publication Date: 
Wednesday, February 22, 2023 - 4:00am

Air Quality: Revision to the Regulatory Definition of Volatile Organic Compounds-Exclusion of (2E)-1,1,1,4,4,4-hexafluorobut-2-ene (HFO-1336mzz(E))

On April 28, 2022, the U.S. Environmental Protection Agency (EPA) published a proposed rule seeking comments in response to a petition requesting the revision of the EPA's regulatory definition of volatile organic compounds (VOC) to exempt trans-1,1,1,4,4,4- hexafluorobut-2-ene (also known as HFO-1336mzz(E); CAS number 66711-86- 2). The EPA is now taking final action to revise the regulatory definition of VOC under the Clean Air Act (CAA).

Publication Date: 
Wednesday, February 8, 2023 - 4:00am

Air Quality Implementation Plan; California; Tuolumne County Air Pollution Control District; Stationary Source Permits

The Environmental Protection Agency (EPA) is finalizing a revision to the Tuolumne County Air Pollution Control District's (TCAPCD or ``District'') portion of the California State Implementation Plan (SIP). This revision governs the District's issuance of permits for stationary sources, and focuses on the preconstruction review and permitting of major sources and major modifications under part D of title I of the Clean Air Act (CAA or ``the Act'').

Publication Date: 
Tuesday, February 7, 2023 - 4:00am

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

Air Plan Approval; IA; Electronic Submittal of Air Quality Information

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Iowa State Implementation Plan (SIP) and the Operating Permit Program for the State of Iowa. The revisions require the electronic submittal of air emissions reporting, construction permit applications, and Title V permit applications, and make administrative updates. These revisions do not impact the stringency of the SIP or have an adverse effect on air quality. The EPA's proposed approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).

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

Finding of Failure To Submit State Implementation Plan Revisions Required Under Clean Air Act Section 185; California; Sacramento Metro Area

The EPA is taking final action finding that the state of California has failed to submit state implementation plan (SIP) revisions for the Sacramento Metro nonattainment area to satisfy certain requirements of the Clean Air Act (CAA) for the 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS). Specifically, these requirements pertain to the assessment and collection of fees under CAA section 185. This action triggers certain CAA deadlines for the imposition of sanctions if California does not submit the required SIP revisions within the specified timeframes.

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

Approval of the Clean Air Act, Authority for Hazardous Air Pollutants: Asbestos Management and Control; State of New Hampshire Department of Environmental Services

The Environmental Protection Agency (EPA) is proposing to approve the amended ``Env-Sw 2100: Management and Control of Asbestos Sites Not Operated after July 9, 1981,'' effective September 1, 2018 (``amended Asbestos Disposal Site Rule'') in place of the National Emission Standard for Asbestos (``Asbestos NESHAP'') provisions for inactive waste disposal sites not operated after July 9, 1981 submitted by the State of New Hampshire.

Publication Date: 
Thursday, January 12, 2023 - 4:00am

Determination of Attainment by the Attainment Date, Clean Data Determination, and Approval of Base Year Emissions Inventory for the Imperial County, California Nonattainment Area for the 2012 Annual Fine Particulate Matter NAAQS

The Environmental Protection Agency (EPA) is determining that the Imperial County, California fine particulate matter (PM<INF>2.5</INF>) nonattainment area (``Imperial PM<INF>2.5</INF> nonattainment area'') attained the 2012 annual PM<INF>2.5</INF> national ambient air quality standards (NAAQS or ``standard'') by its December 31, 2021 ``Moderate'' area attainment date. This determination is based upon ambient air quality monitoring data from 2019 through 2021.

Publication Date: 
Wednesday, January 11, 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

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