The Environmental Protection Agency (EPA) is announcing a presolicitation for maintenance services on two Government-owned Isoprime Ratio Mass Spectrometers for a duration of one year. The procurement aims to ensure the proper functioning and upkeep of these precision instruments, which are critical for various environmental analyses and research. Interested vendors should note that the place of performance will be at the EPA facility in Narragansett, Rhode Island, and are encouraged to reach out to Sonya Mitchell at Mitchell.Sonya@epa.gov or by phone at 919-541-4081 for further details. The opportunity is categorized under NAICS code 811210, focusing on electronic and precision equipment repair and maintenance.