Department of the Treasury, DY, U.S. Customs Service, Procurement Division, 1300 Pennsylvania Avenue, Suite 4.2-E, Washington, DC 20229

A -- RESEARCH & DEVELOPMENT FOR NON-INTRUSIVE INSPECTION OF FREIGHT TRAINS SOL BAA#USCS98-001 DUE 083198 POC L. Clifton, (202) 927-1139 The purpose of this modification is to extend the date to August 31, 1998, for receipt of white papers under Submission Notices 175386, dated March 5, 1998, and amended March 13, 1998, under Notice 178412. All materials received prior to this date will receive evaluation. However, prior submissions may be amended should the vendors so desire. Posted 08/10/98 (W-SN234848). (0222)

Loren Data Corp. http://www.ld.com (SYN# 0002 19980812\A-0002.SOL)