General Services Administration, Federal Supply Service (FSS), Management Services Center (10FT), 400 15th Street, SW,, Auburn, WA, 98001

B -- ENVIRONMENTAL ADVISORY SERVICES, TFTP-SW-98-8999-B POC Cheryll Sundberg, Contracting Officer, Phone (253) 931-7892, Fax (253) 931-7174, Email cheryll.sundberg@gsa.gov -- Cheryll Sundberg, Contracting Officer, Phone (253) 931-7892, Fax (253) 931-7174, Email CNT GS-10F-0085K AMT $5,000,000 LINE 899-1, 899-2, 899-4 DTD 010500 TO HydroGeoLogic Incorporated, 1155 Herndon Parkway, Suite 900, Herndon, VA 20170 WEB: Visit this URL for the latest information about this, http://www.eps.gov/cgi-bin/WebObjects/EPS?ACode=A&ProjID=GS-10F-0085K&; LocID=8. E-MAIL: Cheryll Sundberg, cheryll.sundberg@gsa.gov. Posted 01/05/00 (D-SN413356). (0005)

Loren Data Corp. http://www.ld.com (SYN# 0267 20000107\B-0001.AWD)