EPA established requirements for legacy coal combustion residuals (CCR) surface impoundments, as well as CCR management units at active CCR facilities and at inactive CCR facilities with a legacy CCR surface impoundment. 

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 revise regulations that allow for the open burning and detonation (OB/OD) of waste explosives by reducing OB/OD of waste explosives and increasing control of air emissions. 

United States v. Toa Alta, Puerto Rico, Municipality of, No. 3:21-01087 (D.P.R. Feb. 13, 2024). A proposed second stipulation and final order resolves two claims under RCRA and requires a settling defendant to remove and dispose of leachate in the Toa Alta landfill’s southeast cell and to pay a $50,000 civil penalty. 

EPA proposed to authorize changes to South Dakota's hazardous waste management program under RCRA.

EPA proposed to amend the definition of hazardous waste applicable to corrective action to address releases from solid waste management units at RCRA-permitted treatment, storage, and disposal facilities and make related conforming amendments. 

EPA proposed to add nine specific per-and polyfluoroalkyl substances (PFAS), their salts, and their structural isomers to its list of hazardous constituents under RCRA. 

EPA approved changes to South Dakota’s hazardous waste management program under RCRA. 

EPA entered into a proposed settlement agreement under RCRA and CERCLA with St. Croix Petrochemical Corporation (SCPC), under which SCPC would transfer its remaining assets of approximately $1.7 million to help fund remediation of contamination caused by SCPC’s former Hovensa refinery in St. Croix, U.S. Virgin Islands.