Incorporation by reference

Air Plan Approval; Missouri; Restriction of Emissions From Batch-Type Charcoal Kilns

The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by Missouri on January 19, 2021. Missouri requests that the EPA approve into Missouri's SIP revisions to its rule related to control of emissions from Batch-Type Charcoal Kilns. These revisions correct an erroneous reference, update, correct and clarify references to test methods, remove unnecessary words, and make other grammatical and typographical corrections.

Publication Date: 
Tuesday, August 10, 2021 - 4:00am

Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards

The Environmental Protection Agency (EPA) is proposing to revise the greenhouse gas (GHG) emissions standards for light-duty vehicles for 2023 and later model years to make the standards more stringent.

Publication Date: 
Tuesday, August 10, 2021 - 4:00am

Air Plan Approval; Missouri; Control of Emissions From Batch Process Operations

The Environmental Protection Agency (EPA) is proposing approval of a State Implementation Plan (SIP) revision submitted by Missouri on January 19, 2021. Missouri requests that the EPA approve into Missouri's SIP revisions to its rule related to control of emissions from batch process operations. These revisions update references to the appropriate state rule for New Source Performance Regulations. These revisions are administrative in nature and do not reduce the stringency of the SIP or have an adverse impact to air quality.

Publication Date: 
Monday, August 9, 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

Air Plan Approval; Nevada; Revisions to Clark County Ozone Maintenance Plan

The Environmental Protection Agency (EPA) is proposing to approve a revision to the State of Nevada's state implementation plan (SIP) for Clark County. The revision consists of an update to certain elements of the maintenance plan for the Clark County air quality planning area for the 1997 8-hour ozone national ambient air quality standards (NAAQS or ``standards''), including certain emissions inventories and motor vehicle emissions budgets.

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; SC; Revisions to Definitions

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (SC DHEC or Department), on April 24, 2020. The SIP revision updates the definition of ``Spec. Oil (Specification Oil)'' and makes minor updates to formatting and numbering. EPA is proposing to approve this revision pursuant to the Clean Air Act (CAA or Act) and implementing federal regulations.

Publication Date: 
Wednesday, August 4, 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

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

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

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