113 WG/LGC DCANG, 3252 East Perimeter Road, Room 217, Andrews AFB, MD 20762-5011

Z -- CLEAN AIR DUCTS, BUILDINGS 1228, 1234, 3029, 3213, AND 3236, AT THE D.C. AIR NATIONAL GUARD, ANDREWS AFB, MARYLAND SOL DAHA49-98-Q-0505 DUE 060898 POC Linda A. Head, (301) 981-4956, Contracting Officer The purpose of this modification is to make the following correction to the original synopsis ( CBD Notice Submission No 200136, dated 13 May 1998): "Contractor shall provide proof of a valid and current HVAC liscense." All other information in original notice remain unchanged. (0138)

Loren Data Corp. http://www.ld.com (SYN# 0102 19980521\Z-0002.SOL)