This is an unrestricted solicitation for a Gas Chromatograph Single Quadruple Mass Spectrometer under FAR Part 12, with no small business set-aside. Vendors must be active and registered in SAM.gov and submit quotes electronically to lynn.hults@usda.gov; faxed or hard copy quotes are not accepted. Quotes must include a detailed description of capability, relevant experience, and past performance; merely restating the specifications will not be considered. No budget amount is specified, and the place of performance is not identified in the description. Responsible sources are encouraged to review the attached specifications and submit a compliant quotation.