The Department of Defense, specifically the Department of the Army, is seeking a contractor for the annual preventative maintenance and repairs of two fastPREP 4DXCi Autosamplers at the Red River Army Depot (RRAD) in Texarkana, Texas. The contract will be awarded as a single-source commercial service agreement to Elemental Scientific, Inc. (ESI), due to the proprietary nature of ESI's replacement parts and technical data, which limits the availability of alternative sources. This service is critical for maintaining the operational efficiency of laboratory equipment used in analytical processes. Interested parties can reach out to Vanessa Buster at vanessa.k.buster.civ@army.mil or by phone at 571-588-1506 for further information.