This is a Sources Sought notice for a subcontractor to provide a comprehensive water treatment program for cooling towers and closed loop systems at Jefferson Lab. The scope includes supplying chemicals, equipment, and consulting services for scale, corrosion, and microbiological control, along with routine testing and maintenance. No specific timelines, budget amounts, or performance location details are mentioned in the description. Interested parties should register on the JLAB Solicitation Board to receive future solicitation documents. This notice is not a request for proposal but a request for small business sources to express interest.