The U.S. Food and Drug Administration (FDA) is seeking qualified vendors to provide preventive maintenance and repair services for a Sciex Triple Quad 5500+ QTRAP HPLC/MS/MS system and an Agilent 1260 HPLC system at the National Center for Toxicological Research (NCTR) in Jefferson, Arkansas. The procurement includes one scheduled on-site preventive maintenance visit per year and unlimited on-site corrective maintenance within specified timeframes, ensuring that the equipment remains operational to support critical analytical chemistry projects. Interested small business sources are encouraged to submit capability statements by September 18, 2024, to Warren Dutter at warren.dutter@fda.hhs.gov, as this opportunity is part of a market survey and not a solicitation for proposals.