HSC/PKV, 3207 North Road, Brooks AFB, TX 78235-5363

F -- WORLDWIDE FULL SERVICE ENVIRONMENTAL REMEDIAL ACTION EFFORTS WITH PARTIAL SMALL BUSINESS SET ASIDE POC Ms. Leticia Walton, Contract Specialist, (210) 536-6507 CNT F41624-97-D-8009 and F41624-97-D-8010 AMT $475,000.000.00 total aggregate program value DTD 082597 TO Environmental Chemical Corp., 1240 Bayshore Hwy., Burlingame, CA 94010, CET Environmental Services Inc., 120 W. Dayton, Suite A-7, Edmonds, WA 98020-4180 (0239)

Loren Data Corp. http://www.ld.com (SYN# 0355 19970902\F-0001.AWD)