The USGS Radiogenic Isotopes Lab in Reston, VA plans to award a non-competitive, firm fixed-price purchase order to Spectromat Massenspektrometer GMBH of Bremen, Germany. The contract covers replacement of electronic boards and parts (QHV/Filament Regulator) for the Thermal Ionization Mass Spectrometer. Delivery is required 90 days after award. Spectromat is the sole source for authorized parts and technical support for this equipment. This notice is for informational purposes only and is not a request for competitive proposals.