United States v. San Diego, City of, No. 3:23-cv-00541-LL-BGS (S.D. Cal. Apr. 22, 2024). Under a proposed consent decree, settling CERCLA defendants must collectively pay $2,412,029.89 for reimbursement of response costs incurred in connection with the release of hazardous substances at the former Naval Training Center in San Diego, California. 

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 denied a petition from the Center for Biological Diversity requesting that discarded polyvinyl chloride be listed as a hazardous waste under RCRA. 

EPA proposed to approve a CAA §111(d)/129 state plan submitted by South Carolina for implementing and enforcing the emissions guidelines applicable to existing commercial and industrial solid waste incineration units. 

EPA finalized national primary drinking water regulations for six per- and polyfluoroalkyl substances (PFAS): perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), perfluorohexane sulfonic acid (PFHxS), perfluorononanoic acid (PFNA), hexafluoropropylene oxide dimer acid (HFPO-DA), and perfluorobutane sulfonic acid (PFBS); the Agency also finalized a Hazard Index of 1 as the maximum contaminant level goal and maximum contaminant level for any mixture containing two or more of PFHxS, PFNA, HFPO-DA, and PFBS.

NOAA announced the availability of final evaluation findings for seven state and territory coastal management programs and four national estuarine research reserves under the CZMA. 

The Federal Transit Administration announced the availability of a programmatic assessment of greenhouse gas emissions from transit projects. 

The National Aeronautics and Space Administration (NASA) adopted the Department of the Air Force's categorical exclusion for supersonic flying operations over land and above 30,000 feet mean sea level, or over water and above 10,000 feet mean sea level and more than 15 nautical miles from land under NEPA to use in NASA’s program and funding opportunities. 

United States v. General Dynamics Corp., No. 6:24-cv-00722 (M.D. Fla. Apr. 18, 2024). Under a proposed consent decree, settling CERCLA defendants that released and/or threatened releases of hazardous substances into the environment at the General Dynamics Longwood Superfund Site located in Longwood, Florida, must perform a remedial design and remedial action for the site, reimburse EPA for its past response costs for the site, and pay future costs related to the work. 

EPA amended specific provisions in the Greenhouse Gas Reporting Rule to improve data quality and consistency.