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68 -- SUPPLY OF LIQUID NITROGEN SOL 50SBNB0C1031 DUE 022900 POC Pauline E. Mallgrave, Contracting Officer, (301) 975-6330, or Anne McFarlane, Contract Specialist, Tel (301) 975-4648, FAX (301) 963-7732, e-mail anne.mcfarlane@nist.gov. WEB: NIST Contracts Homepage, http://www.nist.gov/admin/od/contract/contract.htm. E-MAIL: NIST Contracts Office, Contract@nist.gov. THIS IS AMENDMENT NUMBER THREE TO THE COMBINED SYNOPSIS/SOLICITATION FOR LIQUID NITROGEN THAT WAS ISSUED ON FEBRUARY 14, 2000 AND AMENDED ON FEBRUARY 18, 2000 AND FEBRUARY 22, 2000. The technical requirements of the solicitation are amended from "Water, less than 0.5 ppm" to read "Water shall not exceed 1 ppm". Additionally, the due date for quotations is extended to 3:00 PM local time on February 29, 2000. Posted 02/24/00 (W-SN428230). (0055)

Loren Data Corp. http://www.ld.com (SYN# 0255 20000228\68-0001.SOL)