United States v. Enbridge Energy, LP, No. 1:16-cv-914 (W.D. Mich. June 29, 2024). A proposed eighth modification to a consent decree concerning two separate oil spills in Michigan and Illinois in 2010 would require settling CWA and OPA defendants to investigate circumferential crack features in four pipelines; revise the methods used for assessing whether a circumferential crack must be excavated and repaired; adjust certain requirements relating to repair and mitigation of circumferential crack features; eliminate two requirements relating to circumferential cracks; and enable defendants to seek early termination of certain requirements relating to circumferential crack features.

EPA announced the availability of and seeks comment on a framework for expanding interagency collaboration to improve the communication and knowledge base within the federal family to fully consider potential adverse impact of pesticides on efficacy of human and animal drugs.

EPA proposed to amend a provision of the technology transitions regulations promulgated under the American Innovation and Manufacturing Act to allows one additional year, until January 1, 2027, solely for the installation of new residential and light commercial air conditioning and heat pump variable refrigerant flow systems that are 65,000 British thermal units per hour or greater using components manufactured in the United States or imported prior to January 1, 2026. 

EPA established an exemption from the requirement of a tolerance for residues for eight different chemicals when used as an inert ingredient in a pesticide chemical formulation.

EPA proposed to address the unreasonable risk of injury to human health presented by n-methylpyrrolidone (NMP) under its conditions of use as documented in the Agency's risk evaluation and risk determination for NMP pursuant to TSCA.

FERC revised the pro forma Open Access Transmission Tariff to remedy deficiencies in the Commission’s existing regional and local transmission planning and cost allocation requirements. 

United States v. ExxonMobil Pipeline Co. LLC, No. 4:24-cv-473-KGB (E.D. Ark. June 3, 2024). Under a proposed consent decree, settling OPA defendants must pay a total of $1,755,082 in connection with a discharge of oil from the Pegasus Pipeline into the environment in and around Mayflower, Arkansas, that migrated to waters, wetlands, and ultimately to Lake Conway.

FERC amended its regulations governing applications for permits to site electric transmission facilities under the Federal Power Act, as amended by the Infrastructure Investment and Jobs Act of 2021, and amended its NEPA procedures.

EPA published a statement of findings on new chemical substances or significant new uses that are not likely to present an unreasonable risk of injury to health or the environment for March 2024 under TSCA.

EPA announced the availability of its draft human health and/or ecological risk assessments for the registration review of 3-iodo-2-propynyl butylcarbamate and pyrimethanil.