The National Institute of Standards and Technology (NIST) is seeking sources to supply an Ultra-High Pressure Liquid Chromatography Quadrupole Time of Flight Mass Spectrometer (UHPLC-QTOF) to expand the qualitative testing capacity of its Rapid Drug Analysis and Research (RaDAR) program. The required system must be identical to the current Bruker Elute UHPLC coupled with a Bruker Compact QTOF, or an equal product meeting specific technical specifications, including a mass accuracy of 1 ppm RMS or better. Performance of services will be at the NIST Gaithersburg campus, with FOB Destination delivery. Responses to this sources sought notice are due by July 21, 2026, at 10:00 AM ET. No budget amount is specified in the description.