The U.S. Army Corps of Engineers, Engineer Research and Development Center, Environmental Laboratory seeks to procure nine brand-name Sci-Aps X-555 handheld X-ray fluorescence analyzers for geochemical analysis by expeditionary teams. This is a total small business set-aside under NAICS 334516, and the analyzers must be configured for specified rare earth and other elements and include batteries, a charger, a ruggedized case, spare Prolene windows, an operations manual, and a minimum one-year manufacturer’s warranty. Offers will be evaluated on technical capability and total price, with award to the Lowest Price Technically Acceptable offer, and proposed delivery must be no later than 45 calendar days after receipt of order. Delivery is FOB Destination to USACE-ERDC-EL, 3909 Halls Ferry Road, Vicksburg, MS 39180. Payment terms are Net 30.