EPA proposed to establish regulatory requirements for inactive surface impoundments at inactive coal combustion residuals (CCR) facilities (legacy CCR surface impoundments); establish groundwater monitoring, corrective action, closure, and post-closure care requirements for all CCR management units (regardless of how or when that CCR was placed) at regulated CCR facilities; and technical corrections to the existing regulations.

United States v. American Biltrite Inc., No. 1:23-cv-11044 (D. Mass. May 11, 2023). Settling CERCLA defendants must perform the final remedial action for Operable Units 1 and 2, and the interim remedial action for Operable Unit 3, identified in EPA's March 2021 Record of Decision relating to the Olin Chemical Superfund site in Wilmington, Massachusetts; pay the United States’ past and future site-related response costs; and pay the Commonwealth's future site-related response costs.

EPA entered into a proposed administrative settlement agreement under CERCLA for recovery of response costs incurred at the Omega Chemical Corporation Superfund site in Los Angeles, California.

EPA seeks comment on the accuracy and completeness of the data, ease of use, graphics, and recommendations on future updates for its interactive map of recycling markets that highlights existing recycling infrastructure, per capita generation and recycling of post-consumer materials, and other relevant market factors.

EPA proposed to authorize changes to South Carolina’s hazardous waste management program under RCRA.

EPA authorized South Carolina’s changes to its hazardous waste management program under RCRA.

EPA entered into a modified proposed cashout settlement agreement under CERCLA for recovery of response costs at the Delta Shipyard Superfund site in Houma, Terrebonne Parish, Louisiana.

EPA entered into a proposed administrative settlement agreement under CERCLA that requires a settling defendant to pay $5.25 million as partial payment for Agency response costs associated with the ITC Tank Fire Superfund site in Deer Park, Texas.

EPA Region 2 entered into a proposed cost recovery settlement agreement under CERCLA concerning the Gowanus Canal Superfund site in Brooklyn, New York.

United States v. San Diego, California, County of, No. 3:22-cv-01753-JO-NLS (S.D. Cal. Apr. 7, 2023). A settling CERCLA defendant must undertake a non-time-critical removal action to address site contamination and reimburse the United States’ past and future response costs in connection with releases or threats of releases of hazardous substances at or from the Ramona Burn Dump Site in San Diego County, California, in the Palomar Ranger District of the Cleveland National Forest.