Environmental Protection Agency August 20, 2024 – Federal Register Recent Federal Regulation Documents
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Air Plan Approval; North Carolina; Second Period Regional Haze Plan
The Environmental Protection Agency (EPA) is proposing to approve in part and conditionally approve in part a regional haze State Implementation Plan (SIP) revision submitted by the North Carolina Department of Environmental Quality, Division of Air Quality (DAQ), dated April 4, 2022 ("Haze Plan" or "2022 Plan") under the Clean Air Act (CAA or Act) and EPA's Regional Haze Rule (RHR) for the regional haze program's second planning period. North Carolina's 2022 SIP submission addresses the requirement that states must periodically revise their long-term strategies for making reasonable progress toward 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 planning period of the regional haze program. EPA is taking this action pursuant to sections 110 and 169A of the Act.
Significant New Use Rules on Certain Chemical Substances (24-1.5e)
EPA is proposing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs) and a Microbial Commercial Activity Notice (MCAN) and are also subject to a TSCA Order. The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is proposed as a significant new use by this rule to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the conditions of use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification, made an appropriate determination regarding that notification, and taken such actions as required by that determination.
Air Plan Revisions; Arizona; Maricopa County Air Quality Department
The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department (MCAQD) portion of the Arizona State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs), oxides of nitrogen (NOX), particulate matter (PM), and oxides of sulfur (SOX). We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or the Act).
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