Environmental Protection Agency October 12, 2023 – Federal Register Recent Federal Regulation Documents

Reformulated Gasoline Covered Areas
Document Number: 2023-22532
Type: Rule
Date: 2023-10-12
Agency: Environmental Protection Agency
In this final action, the Environmental Protection Agency (EPA) is amending its reformulated gasoline (RFG) regulations to reflect the reclassification of several ozone nonattainment areas as Severe for the 2008 ozone national ambient air quality standard (NAAQS). The subject areas are the Dallas-Fort Worth, TX area (Dallas), the Denver-Boulder-Greeley-Fort Collins-Loveland, CO area (Denver), and the Eastern Kern County, CA area (Eastern Kern). The reclassification of the Dallas and Denver areas as Severe for the 2008 ozone NAAQS was effective on November 7, 2022, and results in the prohibition of the sale of conventional gasoline throughout the entire nonattainment area under the Clean Air Act (CAA) eon November 7, 2023. Similarly, the reclassification of the Eastern Kern area was effective on July 7, 2021, and the Federal RFG requirement applied to the area on July 7, 2022.
Reference Measurement Principle and Calibration Procedure for the Measurement of Ozone in the Atmosphere (Chemiluminescence Method)
Document Number: 2023-22531
Type: Rule
Date: 2023-10-12
Agency: Environmental Protection Agency
The Environmental Protection Agency (EPA) is finalizing an update to the current ozone absorption cross-section to the recommended consensus-based cross-section value of 1.1329x10-17 cm\2\ molecule-1 or 304.39 atm-1 cm-1, with an uncertainty of 0.94 atm-1 cm-1. The new value is 1.2% lower than the current value of 308 atm-1 cm-1 and reduces the uncertainty in the value to 0.31%. The adoption of this updated ozone absorption cross-section could result in increases in measured ozone concentrations but given the existing sources of potential variability in monitoring data, it is unlikely that there will be any consistent measurable and predictable effect on reported data. The EPA is also updating the dates of publication for two references associated with the updated cross-section value, adding a new reference, and making a technical correction to move three figures inadvertently placed in section 6.0 References to a new section 7.0 Figures.
Revisions to the Air Emissions Reporting Requirements
Document Number: 2023-22530
Type: Proposed Rule
Date: 2023-10-12
Agency: Environmental Protection Agency
The Environmental Protection Agency (EPA) is extending the comment period for the proposed revisions to the Air Emissions Reporting Requirements (AERR), published in the Federal Register on August 9, 2023. The current comment period for the proposed rule is set to end on October 18, 2023. EPA has received numerous requests to extend the comment period given the complexity and length of the proposed rulemaking. The EPA is extending the comment period for the proposed action to November 17, 2023. The EPA is also extending the comment period for the associated Information Collection Request (ICR), number 2170.09, for the proposed AERR to November 17, 2023.
Air Plan Approval; California; South Coast Air Quality Management District
Document Number: 2023-22518
Type: Proposed Rule
Date: 2023-10-12
Agency: Environmental Protection Agency
The Environmental Protection Agency (EPA) is proposing to approve a revision to the South Coast Air Quality Management District (SCAQMD or ``the District'') portion of the California State Implementation Plan (SIP) as SIP strengthening. This revision concerns emissions of oxides of nitrogen (NOX) and particulate matter (PM) from indirect sources associated with warehouses. The EPA is proposing to approve SCAQMD Rule 2305, ``Warehouse Indirect Source RuleWarehouse Actions and Investments to Reduce Emissions (WAIRE) Program,'' to regulate these emission sources under the Clean Air Act (CAA or the Act). The EPA is taking comments on this proposal and plans to follow with a final action.
Pesticides; Review of Requirements Applicable to Treated Seed and Treated Paint Products; Request for Information and Comments
Document Number: 2023-22558
Type: Proposed Rule
Date: 2023-10-12
Agency: Environmental Protection Agency
The Environmental Protection Agency (EPA) is soliciting public comments and suggestions about seeds treated with a pesticide registered under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) as well as treated paint. The Agency is considering whether a rule under FIFRA to regulate certain use of treated seed and treated paint products or other administrative action is appropriate considering questions raised by stakeholders. To inform this consideration, EPA is requesting comment and information from all stakeholders on the use and usage of treated seed, including storage, planting, and disposal of the treated seed, and on whether or to what extent treated seed products are being distributed, sold, and used contrary to treating pesticide and treated seed product labeling instructions. Similarly, EPA is requesting comment from stakeholders on the addition of labeling requirements on the labels of treated paint products and potential language that should be included in those labels.
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