Incorporation by reference

Air Plan Approval; ID; Incorporation by Reference Updates

The Environmental Protection Agency (EPA) is approving a revision to the Idaho State Implementation Plan (SIP) submitted on October 12, 2021. The submission updates the incorporation by reference of the national ambient air quality standards (NAAQS) and other Federal provisions into the Idaho SIP as of July 1, 2020. Idaho undertakes regular updates to ensure State air rules and the SIP remain consistent with Federal air program requirements.

Publication Date: 
Tuesday, May 24, 2022 - 4:00am

Air Plan Disapproval; California; Interstate Transport of Air Pollution for the 2015 8-Hour Ozone National Ambient Air Quality Standards

Pursuant to the Clean Air Act (CAA or the ``Act''), the Environmental Protection Agency (EPA) is proposing to disapprove a State Implementation Plan (SIP) submittal from California addressing interstate transport for the 2015 8-hour ozone national ambient air quality standards (NAAQS). The ``good neighbor'' or ``interstate transport'' provision of the Act requires that each state's SIP contain adequate provisions to prohibit emissions from within the state from significantly contributing to nonattainment or interfering with maintenance of the NAAQS in other states.

Publication Date: 
Tuesday, May 24, 2022 - 4:00am

Air Plan Disapproval; Utah; Interstate Transport of Air Pollution for the 2015 8-Hour Ozone National Ambient Air Quality Standards

Pursuant to the federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is proposing to disapprove the State Implementation Plan (SIP) submittal from Utah regarding interstate transport for the 2015 8-hour ozone national ambient air quality standard (NAAQS). The ``good neighbor'' or ``interstate transport'' provision requires that each state's SIP contain adequate provisions to prohibit emissions from within the state from significantly contributing to nonattainment or interfering with maintenance of the NAAQS in other states.

Publication Date: 
Tuesday, May 24, 2022 - 4:00am

Air Plan Disapproval; Nevada; Interstate Transport of Air Pollution for the 2015 8-Hour Ozone National Ambient Air Quality Standards

Pursuant to the Clean Air Act (CAA or ``Act''), the Environmental Protection Agency (EPA) is proposing to disapprove a state implementation plan (SIP) submittal from Nevada addressing interstate transport for the 2015 8-hour ozone national ambient air quality standards (NAAQS). The ``good neighbor'' or ``interstate transport'' provision of the Act requires that each state's SIP contain adequate provisions to prohibit emissions from within the state from significantly contributing to nonattainment or interfering with maintenance of the NAAQS in other states.

Publication Date: 
Tuesday, May 24, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants: General Provisions; Technical Correction

In this action, the U.S. Environmental Protection Agency (EPA) is making technical corrections to the general provisions of the National Emission Standards for Hazardous Air Pollutants (NESHAP). Specifically, on November 19, 2021, EPA finalized changes to the NESHAPs for Refractory Products Manufacturing, Carbon Black Production (major sources), Cyanide Chemicals Manufacturing, and Carbon Black Production Area Sources and, also amended the general provisions.

Publication Date: 
Monday, May 23, 2022 - 4:00am

Air Plan Approval; Indiana; Redesignation of the Indiana Portion of the Chicago-Naperville Area to Attainment of the 2008 Ozone Standard, NOX

The Environmental Protection Agency (EPA) finds that the Indiana portion of the Chicago-Naperville, IL-IN-WI area (Chicago area) is attaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard). In addition, in response to a December 6, 2021, request from the Indiana Department of Environmental Management (Indiana or the State), EPA is redesignating the Indiana portion of the Chicago area to attainment for the 2008 ozone NAAQS, because the State has met the statutory requirements for redesignation under the Clean Air Act (CAA).

Publication Date: 
Friday, May 20, 2022 - 4:00am

Air Plan Approval; Illinois; Redesignation of the Illinois Portion of the Chicago-Naperville, Illinois-Indiana-Wisconsin Area to Attainment of the 2008 Ozone Standard

The Environmental Protection Agency (EPA) finds that the Illinois portion of the Chicago-Naperville, IL-IN-WI area (Chicago area) is attaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard) and is acting in accordance with a January 25, 2022, request from Illinois to redesignate the Illinois portion of the Chicago area to attainment for the 2008 ozone NAAQS because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA).

Publication Date: 
Friday, May 20, 2022 - 4:00am

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

This action corrects an omission of timely comment and response in the September 28, 2021, Environmental Protection Agency (EPA) partial approval/partial disapproval of elements of a State Implementation Plan (SIP) submission from Michigan to address the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). Accordingly, this action amends the effective date of the final approval to reflect EPA's current response to the previously omitted comment.

Publication Date: 
Thursday, May 19, 2022 - 4:00am

Air Plan Approval; Nevada; Clark County Department of Environment and Sustainability

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Clark County Department of Environment and Sustainability (DES) portion of the Nevada State Implementation Plan (SIP). These revisions concern the title change of the Clark County Department of Air Quality to the Department of Environment and Sustainability.

Publication Date: 
Thursday, May 19, 2022 - 4:00am

Rescission of Clean Data Determination and Call for Attainment Plan Revision for the Yuma, AZ 1987 PM10 Moderate Nonattainment Area

The Environmental Protection Agency (EPA) is taking final action to rescind its previously issued clean data determination (CDD) for the Yuma, Arizona ``Moderate'' nonattainment area (Yuma NAA) for the 1987 24-hour national ambient air quality standard (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>) because recent complete, quality-assured monitoring data show that the area has subsequently violated this NAAQS.

Publication Date: 
Tuesday, May 17, 2022 - 4:00am

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