U. S. Environmental Protection Agency, Contracts Management Division (MD-33), Attention: OARSC, Research Triangle Park, NC 27711

A -- CLEAN AIR STATUS AND TRENDS NETWORK (CASTNET) POC Christopher Baker, Contracting Officer, 919-541-2519 CNT 68-D98-112 AMT $26,317,167 DTD 073098 TO QST Environmental, Inc., 4915 Prospectus Drive, Durham, NC 27713 Posted 08/03/98 (W-SN231751). (0215)

Loren Data Corp. http://www.ld.com (SYN# 0391 19980805\A-0008.AWD)