The Department of Veterans Affairs requires legionella sample collection, analysis, and results management for government-owned buildings with overnight stays, primarily in Cincinnati, Chillicothe, Columbus, Cleveland, and Dayton, with potential future additions or deletions via bilateral modification. The contract will be a five-year Indefinite Delivery Indefinite Quantity (IDIQ) agreement, and the contractor must follow VHA Directive 1061 for prevention of healthcare-associated Legionella disease. This is a Sources Sought notice for market research only, not a request for quotes, and the government will not pay for responses. No budget amounts or submission timelines are specified in this notice. Performance locations are primarily in Ohio cities as listed, with possible changes over the contract period.