Administrative practice and procedure

Federal “Good Neighbor Plan” for the 2015 Ozone National Ambient Air Quality Standards; Response to Judicial Stays of SIP Disapproval Action for Certain States

The Environmental Protection Agency (EPA) is taking interim final action to stay, for emissions sources in Arkansas, Kentucky, Louisiana, Mississippi, Missouri, and Texas only, the effectiveness of the federal implementation plan (FIP) requirements established to address the obligations of these and other states to mitigate interstate air pollution with respect to the 2015 national ambient air quality standards (NAAQS) for ozone (the Good Neighbor Plan).

Publication Date: 
Monday, July 31, 2023 - 4:00am

Removal of Title V Emergency Affirmative Defense Provisions From State Operating Permit Programs and Federal Operating Permit Program

The Environmental Protection Agency (EPA) is removing the ``emergency'' affirmative defense provisions from the EPA's title V operating permit program regulations. These provisions established an affirmative defense that sources could have asserted in enforcement cases brought for noncompliance with technology-based emission limitations in operating permits, provided that the exceedances occurred due to qualifying emergency circumstances.

Publication Date: 
Friday, July 21, 2023 - 4:00am

Rescinding the Rule on Increasing Consistency and Transparency in Considering Benefits and Costs in the Clean Air Act Rulemaking Process

The Environmental Protection Agency (EPA) is finalizing the rescission of the rule entitled, ``Increasing Consistency and Transparency in Considering Benefits and Costs in the Clean Air Act Rulemaking Process'' (hereinafter, the ``Benefit-Cost Rule''). The EPA is rescinding the rule because the changes advanced by the rule were inadvisable, untethered to the Clean Air Act (CAA), and not necessary to effectuate the purposes of the Act.

Publication Date: 
Thursday, July 13, 2023 - 4:00am

Air Plan Approval and Limited Approval-Limited Disapproval; California; Antelope Valley Air Quality Management District; Stationary Source Permits; New Source Review

The Environmental Protection Agency (EPA) is finalizing an approval and a limited approval and limited disapproval of revisions to the Antelope Valley Air Quality Management District (AVAQMD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern the District's New Source Review (NSR) permitting program for new and modified sources of air pollution under part D of title I of the Clean Air Act (CAA or ``Act''). This action updates the District's portion of the California SIP with nine revised rules.

Publication Date: 
Monday, July 3, 2023 - 4:00am

Approval, Limited Approval and Limited Disapproval of California Air Plan Revisions; Mojave Desert Air Quality Management District; Stationary Source Permits

The Environmental Protection Agency (EPA) is finalizing an approval and a limited approval and limited disapproval of revisions to the Mojave Desert Air Quality Management District (MDAQMD or ``District'') portion of the California State Implementation Plan (SIP). These revisions concern the District's New Source Review (NSR) permitting program for new and modified sources of air pollution under part D of title I of the Clean Air Act (CAA or ``Act''). This action updates the District's portion of the California SIP with ten revised rules.

Publication Date: 
Friday, June 30, 2023 - 4:00am

Air Plan Actions; Nevada; Clark County-Department of Environment and Sustainability; Stationary Source Permits

The Environmental Protection Agency (EPA) is finalizing an approval, a partial approval and partial disapproval, and a limited approval and limited disapproval of certain revisions to the Clark County portion of the Nevada State Implementation Plan (SIP). These revisions primarily concern the Clark County Department of Environment and Sustainability's (``DES'' or ``Department'') general definitions rule and New Source Review (NSR) permitting program for new and modified sources of air pollution under the Clean Air Act (CAA or ``Act'').

Publication Date: 
Wednesday, June 14, 2023 - 4:00am

Partial Approval, Conditional Approval, and Partial Disapproval of Air Quality State Implementation Plans; Nevada; Infrastructure Requirements for Ozone

The Environmental Protection Agency (EPA) is approving in part, conditionally approving in part, and disapproving in part a state implementation plan (SIP) revision submitted by the State of Nevada pursuant to the requirements of the Clean Air Act (CAA or ``Act'') for the implementation, maintenance, and enforcement of the 2015 national ambient air quality standards (NAAQS) for ozone. As part of this action, we are reclassifying a region of the State for emergency episode planning purposes with respect to ozone. Finally, we are approving a regulatory revision into the Nevada SIP.

Publication Date: 
Friday, May 19, 2023 - 4:00am

Review of Standards of Performance for Automobile and Light Duty Truck Surface Coating Operations

The Environmental Protection Agency (EPA) is finalizing amendments to the new source performance standards for Automobile and Light Duty Truck Surface Coating Operations pursuant to the review required by the Clean Air Act. The EPA determined that revisions to the NSPS were needed to reflect the degree of emission limitation achievable through the application of the best system of emission reduction (BSER).

Publication Date: 
Tuesday, May 9, 2023 - 4:00am

Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration, Air Conditioning, and Fire Suppression

Pursuant to the U.S. Environmental Protection Agency's Significant New Alternatives Policy program, this action lists certain substances as acceptable, subject to use conditions, in the refrigeration and air conditioning sector for chillers--comfort cooling, residential dehumidifiers, residential and light commercial air conditioning and heat pumps, and a substance as acceptable, subject to use conditions and narrowed use limits, in very low temperature refrigeration.

Publication Date: 
Friday, April 28, 2023 - 4:00am

New Source Performance Standards Review for Industrial Surface Coating of Plastic Parts for Business Machines

The Environmental Protection Agency (EPA) is finalizing amendments to the new source performance standards for Industrial Surface Coating of Plastic Parts for Business Machines pursuant to the review required by the Clean Air Act. For affected facilities that commence construction, modification, or reconstruction after June 21, 2022, the EPA is, in a new subpart, finalizing volatile organic compound (VOC) emission limitations for prime, color, texture, and touch-up coating operations. We are also finalizing a requirement for electronic submission of periodic compliance reports.

Publication Date: 
Monday, March 27, 2023 - 4:00am

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