EPA announced the availability of its proposed interim registration review decision for the pesticide tetrachlorvinphos.

United States v. Apex Building Co., Inc., No. 23-cv-7838 (S.D.N.Y. Sept. 5, 2023). Under a proposed consent decree, a settling TSCA defendant that conducted unlawful renovations work must perform injunctive relief and pay a $606,706 civil penalty.

BLM proposed a new rule to govern the management of surface resources and Special Areas in the National Petroleum Reserve in Alaska (NPR-A); the rule would revise the framework for designating and assuring maximum protection of Special Areas’ significant resource values, and would protect and enhance access for subsistence activities throughout the NPR-A.

EPA granted emergency exemptions under FIFRA for the use of certain pesticides to control pest outbreaks to Arizona, Hawaii, Michigan, Minnesota, and North Dakota, and denied emergency exemptions to Colorado and Nebraska.

EPA finalized several amendments to the PCB regulations, including an expanded set of extraction and determinative methods that can be used to characterize and verify the cleanup of PCBs waste; amendment of the performance-based disposal option for PCB remediation waste; removal of the provision allowing PCB bulk product waste to be disposed of as roadbed material; and the addition of more flexible provisions for cleanup and disposal of waste generated by spills that occur during emergency situations.

The president issued Proclamation No. 10606 of August 8, 2023, establishing the Baaj Nwaavjo I'tah Kukveni-Ancestral Footprints of the Grand Canyon National Monument.

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.