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Air Plan Approval; Georgia; Air Quality Control, Miscellaneous Rule Revisions to Definitions and Permitting

The Environmental Protection Agency (EPA) is approving changes to the Georgia state implementation plan (SIP) submitted on behalf of the State of Georgia by the Georgia Environmental Protection Division (GA EPD) through a letter dated September 1, 2020. This revision includes changes to the State's air quality regulations incorporated into the SIP by changing the definition of ``pollution control project'' and making minor changes to the corresponding minor new source review (NSR) permitting regulations for consistency.

Publication Date: 
Tuesday, April 5, 2022 - 4:00am

Air Plan Approval; Connecticut; Negative Declaration for the Oil and Gas Industry

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. The revision provides the State's determination, via a negative declaration, that there are no facilities within its borders subject to EPA's 2016 Control Technique Guideline (CTG) for the oil and gas industry. The intended effect of this action is to approve this item into the Connecticut SIP. This action is being taken under the Clean Air Act.

Publication Date: 
Wednesday, March 30, 2022 - 4:00am

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

The Environmental Protection Agency (EPA) is proposing a rule that would reduce air pollution from highway heavy-duty vehicles and engines, including ozone, particulate matter, and greenhouse gases. This proposal would change the heavy-duty emission control program-- including the standards, test procedures, useful life, warranty, and other requirements--to further reduce the air quality impacts of heavy- duty engines across a range of operating conditions and over a longer period of the operational life of heavy-duty engines.

Publication Date: 
Monday, March 28, 2022 - 4:00am

Air Plan Approval; Connecticut; State Implementation Plan Revisions Required by the 2008 and 2015 Ozone Standards

The Environmental Protection Agency (EPA) is proposing approval of State Implementation Plan (SIP) revisions submitted by the State of Connecticut for purposes of implementing the 2008 and 2015 ozone National Ambient Air Quality Standards (NAAQS).

Publication Date: 
Friday, March 25, 2022 - 4:00am

Air Plan Approval; CO; Reg 3 NSR and APEN Updates

The Environmental Protection Agency (EPA) is proposing to approve state implementation plan (SIP) revisions submitted by the State of Colorado on May 13, 2020. The revisions contain amendments to the State's New Source Review (NSR) permitting program and Air Pollution Emission Notices (APENs). The EPA is taking this action pursuant to the Clean Air Act (CAA).

Publication Date: 
Wednesday, March 23, 2022 - 4:00am

Approval of Arizona Air Plan Revisions, Arizona Department of Environmental Quality and Maricopa County Air Quality Department

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Arizona Department of Environmental Quality (ADEQ) and Maricopa County Air Quality Department (MCAQD) portions of the Arizona State Implementation Plan (SIP). These revisions were submitted by ADEQ and MCAQD in response to the EPA's June 12, 2015 finding of substantial inadequacy and SIP call for certain provisions in the SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events.

Publication Date: 
Wednesday, March 16, 2022 - 4:00am

Air Plan Approval; Connecticut; Regulations To Limit Premises-Wide Actual and Potential Emissions From Major Stationary Sources of Air Pollution

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of Connecticut. This revision approves into the Connecticut SIP state regulations that apply restrictions on emissions of criteria pollutants for which EPA has established National Ambient Air Quality Standards. Separately, we are also approving Connecticut regulations that apply restrictions on emissions of hazardous air pollutants (HAPs).

Publication Date: 
Friday, March 11, 2022 - 4:00am

Air Plan Approval; New Hampshire; Conformity

The Environmental Protection Agency (EPA) is approving a State Implementation Plan (SIP) revision submitted by the State of New Hampshire. This submission revises previously approved transportation conformity criteria and procedures related to interagency consultation and enforceability of certain transportation-related control measures and mitigation measures. In addition, the revision continues to rely on the Federal rule for General Conformity. The intended effect of this action is to approve State criteria and procedures to govern conformity determinations.

Publication Date: 
Thursday, March 10, 2022 - 4:00am

Air Plan Approval; Montana; Thompson Falls PM10

The Environmental Protection Agency (EPA) is proposing to fully approve the Limited Maintenance Plan (LMP) submitted by the State of Montana to EPA on November 4, 2021, for the Thompson Falls Moderate nonattainment area (NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) and concurrently redesignate the NAA to attainment for the 24-hour PM<INF>10</INF> National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Tuesday, March 8, 2022 - 4:00am

Air Plan Approval; Montana; Whitefish PM10

The Environmental Protection Agency (EPA) is proposing to fully approve the Limited Maintenance Plan (LMP) submitted by the State of Montana to EPA on August 6, 2021, for the Whitefish Moderate nonattainment area (NAA) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) and concurrently redesignate the NAA to attainment for the 24-hour PM<INF>10</INF> National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Tuesday, March 8, 2022 - 4:00am

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