EPA added per- and polyfluoroalkyl substances subject to reporting under EPCRA and the Pollution Prevention Act pursuant to the National Defense Authorization Act for Fiscal Year 2020 to the list of Lower Thresholds for Chemicals of Special Concern.

EPA proposed to amend the procedural framework rule for conducting risk evaluations under TSCA to better align with applicable court decisions and the statutory text, reflect the Agency's experience implementing the risk evaluation program following enactment of the 2016 TSCA amendments, and allow for consideration of future scientific advances in the risk evaluation process without need to further amend the Agency's procedural rule.

EPA entered into an administrative settlement agreement under which settling parties will transfer certain mining claims to the purchaser, which will in turn support the purchaser’s efforts to preserve the important historical structures on these mining claims at the Nelson Tunnel/Commodore Waste Rock Superfund Site in Mineral County, Colorado.

EPA proposed to issue regulations to implement certain provisions of the American Innovation and Manufacturing Act; the proposed rulemakings would establish a program for the management of hydrofluorocarbons and alternative RCRA standards for spent ignitable refrigerants being recycled for reuse.

EPA announced the availability of final registration review decisions for the following chemicals: Citric acid and salts, and linalool. 

EPA announced the availability of proposed interim registration review decisions for bromine, chlorothalonil, and triadimefon, and proposed final registration review decisions for Agrobacterium rodiobacter and porcine zona pellucida.

EPA announced the availability of preliminary work plans for the following chemicals: Aureobasidium pullulans and cyflumetofen. 

EPA denied a petition from American Forest and Paper Association requesting amendments to the Non-Hazardous Secondary Materials regulations under RCRA. 

EPA announced a 60-day public comment period associated with the release of the draft Integrated Risk Information System toxicological review of inorganic arsenic.

United States v. Dravo Corp., No. 8:01-cv-00500-JFB-TBT (D. Neb. Oct. 10, 2023). Under a proposed consent decree, a settling CERCLA defendant must pay $131,067 for response costs incurred and to be incurred by EPA at the Hastings Groundwater Contamination Superfund site.