Environmental Protection Agency August 19, 2024 – Federal Register Recent Federal Regulation Documents
Results 1 - 6 of 6
Approval and Promulgation of Air Quality Implementation Plans; Delaware; Regional Haze State Implementation Plan for the Second Implementation Period
The Environmental Protection Agency (EPA or "the Agency") is proposing to approve the regional haze State implementation plan (SIP) revision submitted by Delaware on August 8, 2022, and supplemented on March 7, 2024, as satisfying applicable requirements under the Clean Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. Delaware's SIP submission addresses the requirement that States must periodically revise their long-term strategies for making reasonable progress towards the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas. The SIP submission also addresses other applicable requirements for the second implementation period of the regional haze program. EPA is taking this action pursuant to sections 110 and 169A of the CAA.
Air Plan Approval; WA; Update to Materials Incorporated by Reference
The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the Washington State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by Washington and approved by the EPA. In this final rule, the EPA is also notifying the public of corrections and clarifying changes in the Code of Federal Regulations (CFR) tables that identify the materials incorporated by reference into the Washington SIP. This update affects the materials that are available for public inspection at the National Archives and Records Administration (NARA) and the EPA Regional Office.
Air Plan Partial Approval and Partial Disapproval; Utah; Regional Haze State Implementation Plan for the Second Implementation Period; Air Plan Disapproval; Utah; Interstate Transport of Air Pollution for the 2015 8-Hour Ozone National Ambient Air Quality Standards
In this notice of proposed rulemaking, the Environmental Protection Agency (EPA) is proposing to act on two Utah State implementation plan (SIP) submissions related to visibility protection. First, we are proposing to partially approve and partially disapprove a regional haze SIP submission for the second implementation period that Utah submitted on August 2, 2022. The regional haze SIP submission addresses the requirement that states revise their long-term strategies every implementation period to make reasonable progress towards the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas. Utah's regional haze SIP submission also addresses other applicable requirements for the second implementation period of the regional haze program. The EPA is taking this action on Utah's regional haze SIP submission pursuant to the Clean Air Act (CAA or the Act). Second, the EPA is proposing to disapprove a portion of Utah's infrastructure SIP submission submitted on January 9, 2020, to address the applicable requirements of CAA section 110(a)(2) for the 2015 Ozone National Ambient Air Quality Standards (NAAQS). Our proposed disapproval is based on CAA section 110(a)(2)(D)(i)(II)'s requirement that a state's SIP contain adequate provisions prohibiting emissions that will interfere with measures to protect visibility required to be included in any other state's SIP (known as interstate transport "prong 4"). The EPA is taking this action on Utah's infrastructure SIP submission pursuant to section 110 of the CAA.
Air Plan Revisions; Arizona; Maricopa County Air Quality Department
The Environmental Protection Agency (EPA) is proposing to approve revisions to the Maricopa County Air Quality Department (MCAQD or "County") portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOC) from storage, transfer, or loading of organic liquids and gasoline. We are proposing to approve local rules to regulate these emission sources under the Clean Air Act (CAA or "Act"). We are also proposing to approve the MCAQD's reasonably available control technology (RACT) demonstration associated with these rules for the 2008 8-hour ozone national ambient air quality standards (NAAQS) in the Phoenix-Mesa ozone nonattainment area. We are taking comments on this proposal and plan to follow with a final action.
Air Quality Plans; Arizona; Maricopa County Air Quality Department; Source-Specific SIP Revision
The Environmental Protection Agency (EPA) is proposing approval of a source-specific revision to the Maricopa County Air Quality Department's (MCAQD or "Department") portion of the Arizona State Implementation Plan (SIP). This revision consists of certain permit conditions related to emissions offsets generated from the replacement of existing diesel-fueled solid waste collection trucks promulgated by the MCAQD and submitted by the State of Arizona for inclusion in the Maricopa County portion of the Arizona SIP under the Clean Air Act (CAA or "Act"). The permit conditions have been submitted for SIP approval to ensure that they are federally enforceable, which is the basis for qualifying certain emissions reductions as creditable offsets under the CAA. We are taking comments on this proposal and plan to follow with a final action.
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