Defense Supply Center Columbus PO BX 16595, DSCC-PBAB Columbus, OH 43216-6595

43 -- VACUUM PUMP, ROTARY CNT SP0760-00-M-Q977 AMT $29,156.76 LINE 0001 DTD 042100 TO Environmental Systems Inc 1197 Baltimore-Annapolis Blvd P.O.Box 869 Arnold MD 21012-0869 Posted 04/22/00 (I-SN447759). (0113)

Loren Data Corp. http://www.ld.com (SYN# 0355 20000426\43-0001.AWD)