Incorporation by reference

Air Plan Approval; Michigan; Partial Approval and Partial Disapproval for Infrastructure SIP Requirements for the 2015 Ozone NAAQS

The Environmental Protection Agency (EPA) is partially approving and partially disapproving elements of a State Implementation Plan (SIP) submission from Michigan regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements are designed to ensure that the structural components of each state's air quality management program are adequate to meet the state's responsibilities under the CAA.

Publication Date: 
Tuesday, September 28, 2021 - 4:00am

Air Plan Approval; North Carolina; Mecklenburg Miscellaneous Rules Revisions

The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision to the Mecklenburg County portion of the North Carolina SIP, hereinafter referred to as the Mecklenburg Local Implementation Plan (LIP). The revision was submitted by the State of North Carolina, through the North Carolina Division of Air Quality (NCDAQ), on behalf of Mecklenburg County Air Quality (MCAQ) via a letter dated April 24, 2020, and was received by EPA on June 19, 2020.

Publication Date: 
Tuesday, September 28, 2021 - 4:00am

Air Plan Approval; Louisiana; Regional Haze Five-Year Progress Report State Implementation Plan

Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving a revision to a State Implementation Plan (SIP) submitted by the Secretary of the Louisiana Department of Environmental Quality (LDEQ) on March 25, 2021. The SIP submittal addresses requirements of Federal regulations that direct the State to submit a periodic report that assesses progress toward regional haze reasonable progress goals (RPGs) and includes a determination of adequacy of the existing implementation plan.

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; Maryland; 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 Maryland. This revision provides Maryland's determination, via a negative declaration, that there are no sources within its borders subject to EPA's 2016 Oil and Natural Gas control techniques guidelines (2016 Oil and Gas CTG). EPA is approving these revisions to the Maryland SIP in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; AK, Fairbanks North Star Borough; 2006 24-Hour PM2.5

The Environmental Protection Agency (EPA) is approving parts of state implementation plan (SIP) submissions, submitted by the State of Alaska (Alaska or the State) to address Clean Air Act (CAA or Act) requirements for the 2006 24-hour fine particulate matter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS) in the Fairbanks North Star Borough PM<INF>2.5</INF> nonattainment area (Fairbanks PM<INF>2.5</INF> Nonattainment Area).

Publication Date: 
Friday, September 24, 2021 - 4:00am

Air Plan Approval; West Virginia; 2020 Amendments to West Virginia's Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of West Virginia. This revision updates West Virginia's incorporation by reference of EPA's national ambient air quality standards (NAAQS) and the associated monitoring reference and equivalent methods. This action is being taken under the Clean Air Act (CAA).

Publication Date: 
Thursday, September 23, 2021 - 4:00am

Air Plan Approval; Iowa; Polk County; State Implementation Plan

The Environmental Protection Agency (EPA) is approving revisions to the Iowa State Implementation Plan (SIP) to include changes to the Polk County Board of Health Rules and Regulations in addition to revisions from past submittals. The revisions update definitions and references to the effective dates of Federal rules approved into the State's SIP, prohibit burning of demolished buildings, update references to methods and procedures for performance test/stack test and continuous monitoring systems, and revise permitting exemptions.

Publication Date: 
Tuesday, September 21, 2021 - 4:00am

Air Plan Partial Disapproval; Commonwealth of Pennsylvania; Reasonably Available Control Technology Regulations for the 1997 and 2008 Ozone National Ambient Air Quality Standards

As a result of the Third Circuit Court of Appeals' decision, dated August 27, 2020, in Sierra Club v. U.S. EPA, No. 19-2562 (3rd Cir. 2020), the Environmental Protection Agency (EPA) is proposing to partially disapprove a specific part of a state implementation plan (SIP) revision that had been previously approved by EPA.

Publication Date: 
Wednesday, September 15, 2021 - 4:00am

Alabama: Final Approval of State Underground Storage Tank Program Revisions, Codification, and Incorporation by Reference

The State of Alabama (Alabama or State) has applied to the Environmental Protection Agency (EPA) for final approval of revisions to its Underground Storage Tank Program (UST Program) under subtitle I of the Resource Conservation and Recovery Act (RCRA). Pursuant to RCRA, the EPA is proposing to approve revisions to Alabama's UST Program. This action is based on the EPA's determination that the State's revisions satisfy all requirements for UST program approval.

Publication Date: 
Tuesday, September 14, 2021 - 4:00am

Air Plan Approval; California; Antelope Valley Air Quality Management District, Eastern Kern Air Pollution Control District, and Yolo-Solano Air Quality Management District; Combustion Sources

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Antelope Valley Air Quality Management District (AVAQMD), Eastern Kern Air Pollution Control District (EKAPCD), and Yolo-Solano Air Quality Management District (YSAQMD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of oxides of nitrogen (NO<INF>X</INF>) from boilers, steam generating units, process heaters, and stationary internal combustion engines.

Publication Date: 
Friday, September 10, 2021 - 4:00am

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