EPA announced the availability of proposed interim registration review decisions for bromine, and proposed final registration review decisions for agrobacterium radiobacter, polybutene resins, and porcine zona pellucida. 

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

United States v. Sunoco Pipeline, L.P., No. 1:24-cv-00238-SJD (S.D. Ohio Apr. 29, 2024). Under a proposed consent decree, a settling CWA defendant must pay a civil penalty of $550,000 in addition to $1,250,000 to compensate for harm to natural resources in connection with crude oil escaping from a ruptured pipeline, contaminating waters of the United States, and causing damage to natural resources.

United States v. Dow Silicones Corp., No. 19-11880 (E.D. Mich. Apr. 24, 2024). A proposed consent decree modification extends a deadline for a settling CWA defendant’s implementation of a stormwater capacity and pollutant evaluation from January 24, 2023, to January 24, 2026, and also includes requirements to mitigate any environmental harm associated with the extension of the deadline.

EPA revised the water quality standards (WQS) regulation under the CWA to add requirements for states establishing WQS in waters where tribes hold and assert rights to CWA-protected aquatic and aquatic-dependent resources reserved through treaties, statutes, or executive orders.

EPA announced the availability of proposed interim registration review decisions and amended decisions for the following pesticides: Acephate, Captan, Ferbam, Thiram, and Ziram. 

EPA entered into proposed consent decrees in Community In-Power and Development Ass'n Inc. v. EPA, No. 1:23-cv-02715 (D.D.C.) and ACC v. EPA, No. 1:23-cv-03726 (D.D.C.), that would establish deadlines for EPA to take action on subject risk evaluations under TSCA. 

EPA announced the availability of and seeks comment on the Agency’s draft human health and ecological risk assessments for the registration review of formaldehyde and paraformaldehyde. 

EPA announced the availability of and seeks comment on an update to the interim guidance on the destruction and disposal of per- and polyfluoroalkyl substances (PFAS) and materials containing PFAS; the updated guidance builds on information pertaining to technologies that may be feasible and appropriate for the destruction or disposal of PFAS and PFAS-containing materials, and identifies key data gaps and uncertainties that must be resolved before EPA can issue more definitive recommendations about PFAS destruction and disposal technologies.

EPA finalized changes to its test procedures required to be used by industries and municipalities when analyzing the chemical, physical, and biological properties of wastewater and other samples for reporting under the NPDES permit program.