The Department of Defense, specifically the U.S. Army Combat Capabilities Development Command Chemical Biological Center (DEVCOM CBC), is seeking to award a sole-source contract to Waters Technologies Corporation for preventive maintenance and repair services for Waters Quadrupole Time of Flight (QToF) systems and instruments. The contract will provide yearly full-service preventative maintenance support, unlimited on-site repairs, software upgrades, and technical assistance, ensuring the operational integrity of mission-critical equipment. This firm-fixed-price contract will consist of a 12-month base period with four additional 12-month option periods, emphasizing the necessity of specialized services from the only approved provider for Waters repair parts and equipment. Interested parties must respond within four business days with required documentation, and inquiries should be directed to Jennifer Langrehr at jennifer.b.langrehr.civ@army.mil.