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 Patricia Austin, Supervisory Contract Specialist, Phone (253) 931-7083, Fax (253) 931-7174, Email pat.austin@gsa.gov -- Patricia Austin, Supervisory Contract Specialist, Phone (253) 931-7083, Fax (253) 931-7174, Email pat.austin@gsa.gov CNT GS-10F-0045K AMT $5,000,000 LINE 899-1, 899-2, 899-5 DTD 112299 TO Potomac Hudson Engineering, Inc., 4833 Rugby Avenue, Suite 100, Bethesda, MD 20814 WEB: Visit this URL for the latest information about this, http://www.eps.gov/cgi-bin/WebObjects/EPS?ACode=A&;ProjID=GS-10F-0045K& LocID=8. E-MAIL: Patricia Austin, pat.austin@gsa.gov. Posted 11/24/99 (D-SN403650). (0328)

Loren Data Corp. http://www.ld.com (SYN# 0237 19991129\B-0001.AWD)