Centers for Disease Control and Prevention (CDC), Procurement & Grants Office, Contracts & Purchases Branch, 255 East Paces Ferry Rd, N.E, Rm 419, Atlanta, GA 30305

54 -- ENVIRONMENTAL/SMOKING CHAMBER SOL 97-115(Q) DUE 071597 POC Grace White, Contract Specialist, (404)842-6553 This action, originally published in the CBD June 2, 1997, and previously amended twice (first to answer questions and extend the due date for quotations from 2:00 PM June 24, 1997 to 2:00 PM July 15, 1997 and second to answer additional questions), is amended a third time to incorporate the following additional questions and answers: (1) Will building steam be available for control of the 60% plus or minus 2% requirement? No (2) Is chilled water available for temperature control? No (3) If a conditioning unit is your preference, will it be air or water cooled? Air cooled. (4) If the conditioning unit is not located on the chamber roof, please identify its location. It should be located on the floor. THERE IS NO CHANGE TO THE DUE DATE FOR QUOTES AS A RESULT OF THESE CLARIFICATIONS. (0175)

Loren Data Corp. http://www.ld.com (SYN# 0271 19970626\54-0001.SOL)