This is a combined synopsis/solicitation requesting quotes for an annual maintenance service contract for an Orbitrap Exploris 240 Mass Spectrometer. The contract includes one base year plus two option year periods. The acquisition is a total small business set-aside, with NAICS code 811210 and a size standard of 500 employees. Responsible sources may submit quotes, with applicable clauses and evaluation criteria provided in an attached solicitation terms document.