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

B -- B -- ENVIRONMENTAL ADVISORY SERVICES, TFTP-98-SW-8999-B POC Cheryll Sundberg, Contracting Officer, Phone (253) 931-7892, Fax (253) 931-7174, Email cheryll.sundberg@gsa.gov -- Sandra Whallon, Contracting Officer, Phone (253) 931-7062, Fax (253) 931-7174, Email CNT GS-10F-0157J AMT $20,000,000 LINE 899-1,2,3,4,6 DTD 071299 TO Operational Technologies Corp., 4100 Northwest Loop 410, Suite 230, San Antonio, TX 78229-4253 WEB: Visit this URL for the latest information about this, http://www.eps.gov/cgi-bin/WebObjects/EPS?ACode=A&;ProjID=GS-10F-0157J& LocID=8. E-MAIL: Cheryll Sundberg, cheryll.sundberg@gsa.gov. Posted 07/16/99 (D-SN355579). (0197)

Loren Data Corp. http://www.ld.com (SYN# 0437 19990720\B-0002.AWD)