ARDL Inc.,* Mt. Vernon, Illinois, was awarded a $20,000,000 firm-fixed-price contract for analysis of surface water, groundwater, soil, sediment, hazardous waste, solids and environmental samples. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of Sept. 30, 2029. U.S. Army Corps of Engineers, St. Louis, Missouri, is the contracting activity (W912P9-24-D-0006).