Department of the Interior, U.S. Geological Survey, 345 Middlefield Road,Mail Stop 285, Menlo Park, CA 94025-3591

66 -- ISOPRIME ISOTOPE RATIO MASS SPECTROMETER, MODEL JB AND ACCESSORIES POC Rita A. Leach, (650) 329-4162 or FAX (650) 329-4162 E-MAIL: Click here to contact the contracting officer via, rleach@usgs.gov. The U.S. Geological Survey, Water Resources Division, Menlo Park, California, has a requirement for 1) Isoprime continuous-flow, benchtop, isotope ratio mass spectrometer, Model JB; 2) Optional electromagnet and electromagnet power supply for Isoprime; 3) Additional collector option; 4) Elemental analyzer interface kit (for CE 1500/2500); 5) Dilutor accessory for elemental analyzer; 6) Interface kit for GC combustion system (for HP 5890); and 7) Reference gas injector for 2 gases. The Government intends to award a contingency contract subject to the availability of funds. The USGS intends to negotiate on a sole- source basis with Micromass, Inc., 100 Cummings Center, Suite 407N, Beverly, MA 01915-6101. (CBD Numbered Note 22, modified: The proposed contract action is for supplies or services for which the Government intends to solicit and negotiate with only one source under the authority of FAR 6.302. Interested persons may identify their interest and capability to respond to the requirement or submit proposals. This notice of intent is not a request for competitive proposals. However, all proposals received within fifteen (15) days after date of publication of this synopsis will be considered by the Government. A determination by the Government not to compete with this proposed contract based upon responses to the notice is solely within the discretion of the Government. Information received will normally be considered solely for the purpose of determining whether to conduct a competitive procurement.) Posted 08/25/98 (W-SN241412). (0237)

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