EPA entered into a proposed administrative settlement agreement under CERCLA and RCRA with El Monte SS Properties, LLC, that would require the settling party to perform a removal action and pay response costs associated with the San Gabriel Valley Superfund site in El Monte, California.

EPA authorized changes to New Hampshire’s hazardous waste management program under RCRA.

EPA proposed to authorize changes to New Hampshire’s hazardous waste management program under RCRA.

EPA authorized changes to Montana’s hazardous waste management program under RCRA.

EPA proposed to authorize changes to Montana’s hazardous waste management program under RCRA.

EPA proposed to deny the Alabama Department of Environmental Management’s application for approval of the Alabama coal combustion residuals permit program.

EPA established tolerances for residues of the herbicide imazapic in or on rice, bran and rice, grain.

United States v. Belle Fourche Pipeline Co., No. 22-00089-DLH-CRH and United States v. Bridger Pipeline LLC, No. 22-00043-BLG-SPW (D.N.D. July 31, 2023). Under a proposed partial consent decree, settling CWA defendants must perform injunctive relief and pay a $12,500,000 civil penalty for violations arising from pipeline failures that resulted in discharges of oil into an unnamed tributary to Ash Coulee Creek and the Yellowstone River.

EPA proposed to lower the dust-lead hazard standards from ten micrograms per square foot (µg/ft2) and 100 µg/ft2 for floors and window sills to any reportable level as analyzed by a laboratory recognized by the Agency's National Lead Laboratory Accreditation Program in accordance with a 2021 Ninth Circuit opinion.

EPA proposed to address the unreasonable risk of injury to human health presented by carbon tetrachloride under its conditions of use as documented in EPA’s 2020 Risk Evaluation for Carbon Tetrachloride and 2022 Revised Unreasonable Risk Determination for Carbon Tetrachloride pursuant to the TSCA.