The Environmental Protection Agency (EPA) is announcing a presolicitation for a sole source procurement of cryopreserved hepatocytes, specifically 27 vials, through its Office of Research and Development's Simplified Acquisition Branch. This procurement is critical for research and testing purposes, particularly in the field of biological product manufacturing, which falls under the NAICS code 325414. The goods sought are essential for various environmental and health-related studies, emphasizing their importance in advancing scientific understanding and regulatory compliance. Interested parties can reach out to Pam Daggs at Daggs.Pam@epa.gov or call 580-436-8511 for further details regarding this opportunity.