The government is conducting market research to identify sources capable of analyzing 285 water samples from Lake Erie and Lake Huron for microcystin metabolites and related phytoplankton data, supporting harmful algal bloom research. The anticipated contract is firm-fixed-price with a one-year period of performance starting on or before September 21, 2026, and the applicable NAICS code is 541380 with a $19 million size standard. This is a sources sought notice only, not a solicitation, and does not obligate the government to award a contract. Interested parties must be registered in SAM and monitor the GPE for any future solicitation.