An aerial view diagram of the 191-acre federally owned Niagara Falls Storage Site (NFSS) – part of the Formerly Utilized Sites Remedial Action Program (FUSRAP) – which includes a 10-acre engineered Interim Waste Containment Structure (IWCS), which contains radioactive residues, contaminated rubble and debris from the demolition of buildings, and contaminated soil from the NFSS and NFSS vicinity properties (VPs) in Lewiston, N.Y., Aug. 8, 2023. While implementing FUSRAP, the U.S. Army Corps of Engineers, Buffalo District serves as the site caretaker, performing site operations, maintenance, security, and environmental surveillance activities. (U.S. Army illustration by USACE Buffalo District)