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 Region 8 entered into a proposed administrative settlement agreement concerning the Central City/Clear Creek Superfund site in Clear Creek County, Colorado.

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.

United States v. Taylor Farms New England, Inc., No. 1:23-cv-00311 (D.R.I. July 26, 2023). A settling CAA and EPCRA defendant that violated statutory and regulatory provisions governing the prevention and notice of accidental releases of extremely hazardous substances at its food processing facility in North Kingstown, Rhode Island, must perform injunctive relief and pay a $650,000 civil penalty.

United States v. HP Inc., No. 3:23-cv-1383 (D.P.R. July 26, 2023). Settling CERCLA defendants that released hazardous substances at Operable Unit 1 of the San German Groundwater site in San German, Puerto Rico, must design and implement the remedy selected by EPA for the unit and pay the United States’ future costs for overseeing the response work.

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.

EPA seeks input on the Safer Choice and Design for the Environment programs’ potential expansion of their certification to new product categories.

EPA announced the availability of and seeks comment on a draft revision to the risk determination for 1,4-dioxane following a risk evaluation issued under TSCA.

EPA finalized reporting and recordkeeping requirements for asbestos under TSCA.