Reporting and recordkeeping requirements

Clean Air Plans; Base Year Emissions Inventories for the 2015 Ozone Standards; Arizona; Phoenix-Mesa and Yuma Nonattainment Areas

The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), revisions to the Arizona State Implementation Plan (SIP) concerning the base year emissions inventory requirements for the Phoenix-Mesa ozone nonattainment area (``Phoenix- Mesa'') and Yuma ozone nonattainment area (``Yuma'') for the 2015 ozone national ambient air quality standards (NAAQS or ``standard'').

Publication Date: 
Friday, October 22, 2021 - 4:00am

Approval of Air Quality Implementation Plans; California; Sacramento Metro Area; 2008 8-Hour Ozone Nonattainment Area Requirements

The Environmental Protection Agency (EPA) is taking final action to approve portions of two state implementation plan (SIP) revisions submitted by the State of California to meet Clean Air Act (CAA or ``Act'') requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the Sacramento Metro ozone nonattainment area (``Sacramento Metro Area'').

Publication Date: 
Friday, October 22, 2021 - 4:00am

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Reasonably Available Control Technology Determinations for Case-by-Case Sources Under the 2008 8-Hour Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is approving 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 individual 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: 
Thursday, October 21, 2021 - 4:00am

Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; West Mojave Desert, California

On September 27, 2021, the Environmental Protection Agency (EPA) issued a final rule titled ``Clean Air Plans; 2008 8-Hour Ozone Nonattainment Area Requirements; West Mojave Desert, California.'' That publication incorrectly listed the transportation conformity budgets for the West Mojave Desert Nonattainment Area (West Mojave Desert) for the 2008 ozone NAAQS. Additionally, the regulatory text in that publication inadvertently included portions of the State's submittal addressing contingency measures for failure to attain or to make reasonable further progress (RFP).

Publication Date: 
Monday, October 18, 2021 - 4:00am

Air Plan Approval; New Mexico; Clean Air Act Requirements for Emissions Inventory and Emissions Statement for Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is proposing to approve the State Implementation Plan (SIP) submitted by the State of New Mexico to meet the Emissions Inventory (EI), and Emissions Statement (ES) requirements of the Federal Clean Air Act (CAA or the Act) for the Sunland Park ozone nonattainment area for the 2015 8-hour ozone national ambient air quality standards (NAAQS). EPA is proposing to approve this action pursuant to section 110 and part D of the CAA and EPA's regulations.

Publication Date: 
Friday, October 15, 2021 - 4:00am

Air Plan Approval; Rhode Island; Infrastructure State Implementation Plan Requirements for the 2015 Ozone Standard

The Environmental Protection Agency (EPA) is approving most of a State Implementation Plan (SIP) revision submitted by the State of Rhode Island to address the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). This action does not address three requirements related to interstate transport.

Publication Date: 
Thursday, October 14, 2021 - 4:00am

Second 10-Year Maintenance Plan for the Indian Wells Valley PM10

The Environmental Protection Agency (EPA) is proposing to approve the ``Indian Wells Valley Second 10-Year PM<INF>10</INF> Maintenance Plan'' (``Indian Wells Second Maintenance Plan'' or ``Plan'') as a revision to the state implementation plan (SIP) for the State of California. The Indian Wells Second Maintenance Plan includes, among other elements, a base year emissions inventory, a maintenance demonstration, contingency provisions, and motor vehicle emissions budgets for use in transportation conformity determinations.

Publication Date: 
Wednesday, October 13, 2021 - 4:00am

Air Plan Approval; MS; BART SIP and Regional Haze Progress Report

The Environmental Protection Agency (EPA) is approving two Mississippi State Implementation Plan (SIP) revisions from the Mississippi Department of Environmental Quality (MDEQ) dated October 4, 2018, and August 13, 2020. The October 4, 2018, SIP revision contains the State's first periodic report describing progress towards reasonable progress goals (RPGs) established for regional haze and contains the associated determination that the State's regional haze SIP is adequate to meet these RPGs for the first implementation period (Progress Report).

Publication Date: 
Wednesday, October 6, 2021 - 4:00am

Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program; Supplemental Proposal

Pursuant to the U.S. Environmental Protection Agency's Significant New Alternatives Policy program, the Agency is proposing, as an additional option, to list for a limited period of time certain substances in the foamblowing sector, extruded polystyrene: Boardstock and billet end-use, as acceptable, subject to narrowed use limits. This proposal supplements the Agency's June 12, 2020, proposal with respect to the proposed listings in the foam-blowing sector, taking into consideration public comments and information received since issuance of the initial proposal.

Publication Date: 
Wednesday, October 6, 2021 - 4:00am

Clean Air Plans; Base Year Emissions Inventories for the 2015 Ozone Standards; California

The Environmental Protection Agency (EPA) is proposing to approve revisions to the California State Implementation Plan (SIP) concerning the base year emissions inventories for 18 areas designated as nonattainment areas (NAAs) for the 2015 ozone National Ambient Air Quality Standards (2015 ozone NAAQS) submitted on July 24, 2020.

Publication Date: 
Tuesday, October 5, 2021 - 4:00am

Pages