Incorporation by reference

Air Plan Approval; Ohio; Infrastructure SIP Requirements for the 2015 Ozone NAAQS

The Environmental Protection Agency (EPA) is approving elements of a State Implementation Plan (SIP) submission from Ohio 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. EPA proposed to approve this action on March 9, 2021, and received no adverse comments.

Publication Date: 
Wednesday, August 11, 2021 - 4:00am

Air Plan Approval; Nebraska; Revisions to Title 129 of the Nebraska Administrative Code; General Conformity

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Nebraska. This final action will amend the SIP to revise title 129 of the Nebraska Administrative Code by removing a portion of the SIP that addresses general conformity. General Conformity ensures that the actions taken by federal agencies do not interfere with a state's plan to attain and maintain national standards for air quality.

Publication Date: 
Monday, August 9, 2021 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; District of Columbia; Nonattainment New Source Review Requirements for 2015 8-Hour Ozone Standard

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Department of Energy and Environment (DOEE) of the District of Columbia (the District). The revision will fulfill the District's Nonattainment New Source Review (NNSR) SIP element requirement for the 2015 8-hour ozone National Ambient Air Quality Standard (NAAQS). EPA is approving the revision to the District of Columbia SIP in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Thursday, August 5, 2021 - 4:00am

Air Plan Approval; WA; Update to Materials Incorporated by Reference

The Environmental Protection Agency (EPA) is updating the regulatory materials incorporated by reference into the Washington State Implementation Plan (SIP). The regulations addressed in this action were previously submitted by the Washington Department of Ecology and approved by the EPA in prior rulemakings. This action is an administrative change that updates the SIP materials available for public inspection at the National Archives and Records Administration and the EPA Regional Office.

Publication Date: 
Tuesday, August 3, 2021 - 4:00am

Approval and Promulgation of Implementation Plans; North Dakota; Revisions To Permitting Regulations Unrelated to Regional Haze

In accordance with section 110 of the Clean Air Act (CAA), the Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by North Dakota on August 3, 2020. The revisions contain amendments to the State's Air Pollution Control Regulations and to the State's Legal Authority.

Publication Date: 
Monday, August 2, 2021 - 4:00am

Air Plan Approval; Missouri; Restriction of Emissions From Lithographic and Letterpress Printing Operations

The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on November 10, 2020. This final action will amend the SIP to revise a Missouri regulation which restricts volatile organic compound emissions from lithographic and letterpress printing operations in the St. Louis Metropolitan Area.

Publication Date: 
Monday, August 2, 2021 - 4:00am

Air Plan Revision; Limited Approval and Limited Disapproval; California; Yolo-Solano Air Quality Management District

The Environmental Protection Agency (EPA) is finalizing the limited approval and limited disapproval of a revision to the Yolo- Solano Air Quality Management District (YSAQMD) portion of the California State Implementation Plan (SIP). This revision concerns emissions of volatile organic compounds (VOCs) from solvent cleaning and degreasing operations. Under the authority of the Clean Air Act (CAA or the Act), this action simultaneously approves a local rule that regulates these emission sources and directs California to correct rule deficiencies.

Publication Date: 
Friday, July 30, 2021 - 4:00am

Implementation of the Revoked 1997 8-Hour Ozone National Ambient Air Quality Standards; Areas That Attained by the Attainment Date

The Environmental Protection Agency (EPA) is codifying its findings that nine areas in four states attained the revoked 1997 8- hour ozone National Ambient Air Quality Standards (herein referred to as the revoked 1997 ozone NAAQS) by the applicable attainment dates.

Publication Date: 
Thursday, July 29, 2021 - 4:00am

Air Plan Approval; California; Mojave Desert Air Quality Management District

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Mojave Desert Air Quality Management District (MDAQMD or ``District'') portion of the State Implementation Plan (SIP). This revision concerns emissions of volatile organic compounds (VOCs) from wood products coating operations. We are approving a local rule that regulates these emission sources under the Clean Air Act (CAA or the Act).

Publication Date: 
Wednesday, July 28, 2021 - 4:00am

Air Plan Approval; California; Placer County Air Pollution Control District; Open Burning Rules

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Placer County Air Pollution Control District (PCAPCD) portion of the California State Implementation Plan (SIP). These revisions concern emissions of oxides of nitrogen (NO<INF>X</INF>) and particulate matter (PM) from open burning. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or the Act).

Publication Date: 
Wednesday, July 28, 2021 - 4:00am

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