National Institute of Standards and Technology, Acquisition and Assistance Division, Building 301, Room Bll7, Gaithersburg, MD 20899

66 -- SCANNING MOBILITY PARTICLE SIZER SOL 52SBNB5C8615 DUE 040395 POC Kathleen Lettofsky (301) 975-6339/C.O.: Ruth Ann Maris The National Institute of Standards and Technology (NIST) intends to negotiate on a sole source basis under the authority of 41 USC 253(c)(1) from TSI Inc., St. Paul, MN.. NIST has a requirement for a scanning mobility particle sizer for accurately sizing and classifying particles over the size range from 7 nm to 1000 nm and concentration range from 2 to 100 million particles per cubic cm. The particle sizing instrument must give a complete size distribution in less than a minute. The scanning mobility particle sizer must include the following components: electrostatic classifier, condensation nucleus counter, fast scan software, interconnecting hardware, and vacuum pump. Delivery is required Freight on Board (FOB) destination, Gaithersburg, MD within 30 days. Interested offerors may identify their interest and capability to respond to the requirements by submitting a capability statement. The capability statement must provide adequate information and qualifications to provide this type of service. All of the above must be received for the Government to consider whether to open this requirement for competition. This notice of intent is not a requirement for competitive proposals. However, all ''capability statements'' received within 45 days after date of preparation of this synopsis will be considered by the Government. A solicitation is not available. See Numbered Note 22. (0023)

Loren Data Corp. http://www.ld.com (SYN# 0424 19950124\66-0006.SOL)