DHHS/PHS/FDA/Office Of Facilities, Acquisition, And Central Services, Division of Contracts and Program Management, HFA-512(COB), 5600 Fishers Lane, Rockville, MD 20857

66 -- LAB EQUIPMENT SOL E27867 DUE 043098 POC Trudy Dartouzos, Contract Specialist, ph: 301/443-2597, fax: 301/443-3651 The Food and Drug Administration (FDA), Center for Devices Radiological Health (CDRH) intends to award a purchase order for 12 x-ray monitors equivalent to the Radcal Corporation's Model 1015 FBH with ionization chambers 10X5-6L and 10X5-180 and six of each type of additional ionization chambers. The monitors must be able to measure exposure, exposure rate, exposure integrated over a single pulse of radiation of one (1) msec or greater, and the duration of the pulse. The monitors shall be equipped with one ionization chamber which shall be compatible with the CDRH test stand and shall have an active volume not greater than 8 cc. This chamber shall have a measurement range of one (1) mR/min to 650 mR/min and energy dependence of less than 7% from the NIST M30 standard beam (HVL = 0.36 mm of Alumimum) to the NIST H150 beam (HVL = 17 mm of Aluminum). A second ionization chamber shall have an active volume with a cross-sectional area of 100 square centimeters. This chamber shall have a measurement range of one (1) mR/hr to 650mR/hr and energy dependence of less than 10% from the NIST M50 beam (HVL = 1.02 mm of Alumium) to the NIST H150 beam. The calibration accuracy for both chambers shall be +/- 5% or better. The monitors and chambers shall be contained within a case no larger than 8 by 10 by 12 inches and not to exceed 15 pounds. The monitors shall have a digital display and shall be powered by standard alkaline batteries. The batteries shall have a minimum lifetime of 750 hours of operation. Written quotations are due by 2:00 p.m. 4/30/98. (0104)

Loren Data Corp. http://www.ld.com (SYN# 0257 19980416\66-0010.SOL)