Environmental protection

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; 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 Air Quality Plans; Pennsylvania; Reasonably Available Control Technology (RACT) Determinations for Case-by-Case Sources Under the 1997 and 2008 8-Hour Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is proposing to approve multiple state implementation plan (SIP) revisions submitted by the Commonwealth of Pennsylvania. These revisions were submitted by the Pennsylvania Department of Environmental Protection (PADEP) to establish and require reasonably available control technology (RACT) for twenty-four major sources of volatile organic compounds (VOC) and/ or nitrogen oxides (NO<INF>X</INF>) pursuant to the Commonwealth of Pennsylvania's conditionally approved RACT regulations.

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

Air Plan Approval; Approval of Missouri Air Quality Implementation Plans; Revisions to St. Louis 2008 8-Hour Ozone Maintenance Plan

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on November 12, 2019, revising the 2008 8-hour ozone maintenance plan previously approved by EPA on September 20, 2018, demonstrating continued maintenance of the 2008 ozone National Ambient Air Quality Standard (NAAQS), the 1979 1-Hour and 1997 8-Hour ozone standards in the St. Louis area. This revision states that the St.

Publication Date: 
Friday, July 30, 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; Maine; Chapter 100 Definitions and Chapter 113 Growth Offset Regulations

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Maine. This revision amends the definition of ``Ozone Transport Region'' in the State's Chapter 100 Definitions Regulation and revises language in the State's Chapter 113 Growth Offset Regulation regarding applicability of Nonattainment New Source Review in areas that, at a future date, may not be within the Ozone Transport Region. This action is being taken under the Clean Air Act (CAA).

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

Air Plan Approval; South Carolina; 2018 General Assembly New Source Review Update

The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (SCDHEC or Department), on April 24, 2020. The SIP revisions update the State's Prevention of Significant Deterioration (PSD) and Nonattainment New Source Review (NNSR) regulations.

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

Air Plan Approval; Approval of Missouri Air Quality Implementation Plans; Revisions to St. Louis 1997 PM2.5

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on November 12, 2019, revising the maintenance plan demonstrating continued maintenance of the 1997 PM<INF>2.5</INF> National Ambient Air Quality Standards (NAAQS) in the St. Louis area. This revision states that the St.

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

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

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Iowa State Implementation Plan (SIP) to include recent changes to the Polk County Board of Health Rules and Regulations in addition to revisions from past submittals. The proposed 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: 
Wednesday, July 28, 2021 - 4:00am

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