This is a combined synopsis/solicitation under FAR Part 12 for commercial items; quotations are being requested and no separate written solicitation will be issued. The agency seeks a size exclusion chromatography with light scattering detector instrument for measuring molecular weight and branching characteristics of scientific samples such as polysaccharides. The acquisition is unrestricted and is not set aside for small business, with NAICS code 334516 and a small business size standard of 1,000 employees. All responsible sources may submit a quotation for consideration by email to Madonna Montgomery at Madonna.Montgomery@usda.gov.