This is a pre-solicitation notice for a sole source procurement of Clearwater Sensors brand phosphate sensors from Aquatic Sensors, Inc. The sensors must be delivered to Ann Arbor, MI within 30 days of the award. The sole source determination is based on the requirement that Aquatic Sensors, Inc. is the only authorized U.S. distributor for the specified brand and that the sensors' unique technical specifications meet the project's needs. While no competitive proposals are being requested, firms that believe they can fully meet the requirements may submit substantiating documentation to the point of contact within 15 days of the notice's publication. Any such submission will be evaluated only to determine if the procurement should be opened to competition.

This is a market research request for a highly specific phosphate sensor capable of long-term, deep-water deployment to support harmful algal bloom prediction models. The required instrument must meet exacting technical specifications, including a 6000m depth rating, internal waste storage, and the use of enclosed reagent cartridges. The government intends to purchase one sensor with a cartridge and cable, with delivery required within 30 days after an award. The performance location is the Great Lakes Environmental Research Laboratory. This notice seeks to identify all potential sources, including various business classifications, that can provide a domestically manufactured product meeting the full requirements.