The Department of Commerce, specifically the National Institute of Standards and Technology (NIST), is seeking qualified contractors to provide maintenance and repair services for its Metrohm combustion ion chromatography (CIC) instrument. The procurement aims to ensure the operability of this critical scientific equipment, which is essential for analyzing elements such as halogens and sulfur in various samples, particularly in the context of health risks associated with per- and polyfluoroalkyl substances (PFAS). The contract will span a base period of twelve months, with the option to extend for four additional one-year periods, and requires the contractor to perform onsite inspections, preventative maintenance, and calibration certifications. Interested parties must submit their quotes electronically by June 24, 2025, and can contact Jennifer Lohmeier at jennifer.lohmeier@nist.gov or 301-975-6289 for further information.