National Institute of Standards & Technology, Acquisition & Assistance Div.,100 Bureau Drive Stop 3572, Bldg. 301, Rm B117, Gaithersburg, MD 20899-3572

R -- DEVELOPMENT OF THEORETICAL MODELS RELATING TO COLLISIONS OF COLD, TRAPPED ATOMS SOL 43SBNB067038 DUE 050500 POC Marsha Rodgers (301)975-6398. Fax (301) 963-7732, e-mail Marsha. Rodgers@nist.gov WEB: NIST Contracts Homepage, http://www.nist.gov/admin/od/contract/contract.htm. E-MAIL: NIST Contracts Office, Contract@nist.gov. The National Institute of Standards and Technology (NIST) intends to negotiate with Dr. Frederick H. Mies, Rockville, Maryland, on a sole source basis for services to create theoretical models, write computer codes and use them to perform calculations and analysis relating to the Theory of Cold Collisions of Cold, Trapped Atoms. F.O.B., Destination, Gaithersburg, Maryland. The period of performance for this service is from date of award through December 1, 2000. This is a sole source procurement under the authority of FAR 13.106-1(b), Soliciting from a Single Source, due to the fact that these services are a continuation of work started under a previous contract and we need to ensure the continuity of essential information. Simplified Acquisition Procedures are being used for this award. A quotation will be requested from Dr. Mies. The estimated award date is May 12, 2000. This notice is not a request for quotations. However, all expressions of interest received before 3:00 PM, local time, May 5, 2000 will be considered by the agency. Vendors shall describe their capabilities in enough detail for a determination to be made. A determination by the Government not to compete this proposed purchase order based on responses to this notice is solely within the discretion of the Contracting Officer. A solicitation document is not available. See Note 26. Posted 04/20/00 (W-SN446905). (0111)

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