The U.S. Geological Survey (USGS) is seeking qualified vendors for a Multi-Year Service Contract for the maintenance of an AB/Sciex API 5500 triple quadrupole mass spectrometer, essential for their Organic Geochemistry Research Laboratory. The contract will cover a period from February 22, 2025, to August 21, 2030, including an initial base year, four optional renewal years, and a potential six-month extension, emphasizing the need for regular maintenance, rapid repair services, and support from factory-certified engineers. This procurement is critical for ensuring the continuous functionality of the spectrometer, which plays a vital role in ongoing environmental research concerning contaminants in water resources. Interested parties must submit their quotes and any inquiries to Justice Pryor at jpryor@usgs.gov, adhering to the guidelines outlined in the solicitation document.