GEO Consultants LLC,* Kevil, Kentucky, was awarded a $9,625,637 firm-fixed-price contract to conduct a remedial investigation for per- and polyfluoroalkyl substances. Bids were solicited via the internet with one received. Work will be performed at Wright Patterson Air Force Base, Ohio, with an estimated completion date of Sept. 26, 2028. Fiscal 2023 environmental restoration, defense funds in the amount of $9,625,637 were obligated at the time of the award. U.S. Army Corps of Engineers, Louisville, Kentucky, is the contracting activity (W912QR-23-F-0410).