Environmental Protection Agency April 15, 2024 – Federal Register Recent Federal Regulation Documents

EPA is required under the Toxic Substances Control Act (TSCA), as amended by the Frank R. Lautenberg Chemical Safety for the 21st Century Act, to make information publicly available and to publish information in the Federal Register pertaining to submissions under TSCA section 5, including notice of receipt of a Premanufacture notice (PMN), Significant New Use Notice (SNUN) or Microbial Commercial Activity Notice (MCAN), including an amended notice or test information; an exemption application (Biotech exemption); an application for a test marketing exemption (TME), both pending and/or concluded; a notice of commencement (NOC) of manufacture (including import) for new chemical substances; and a periodic status report on new chemical substances that are currently under EPA review or have recently concluded review. This document covers the period from 3/01/ 2024 to 3/31/2024.

The Environmental Protection Agency (EPA) is announcing that a virtual public hearing will be held for the proposed action titled, "Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter" which is published elsewhere in this Federal Register. The hearing will be held on May 8, 2024. Based on the EPA's review of the ecological air quality criteria and the secondary national ambient air quality standards (NAAQS) for oxides of nitrogen (N oxides), oxides of sulfur (SOX), and particulate matter (PM), the EPA is proposing to revise the existing secondary SO2 standard. Additionally, the Agency proposes to retain the existing secondary standards for N oxides and PM. The EPA also proposes revisions to data handling requirements for the proposed secondary SO2 standard.

The Environmental Protection Agency (EPA) is proposing to approve assorted revisions to Ohio's particulate matter rules that the state requested EPA approve into the Ohio State Implementation Plan (SIP) under the Clean Air Act (CAA). The updates to Ohio's particulate matter rules include revisions to remove provisions for facilities or emissions units that have permanently shut down, update facility names and addresses, and make nonsubstantive revisions to the language of the rules.