Loren Data Corp.

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COMMERCE BUSINESS DAILY ISSUE OF JULY 25,1997 PSA#1895

Administrative Procurement Branch, Environmental Protection Agency, Fairchild Building -- 7th Floor, 499 S. Capital Street, S.W., Washington, DC 20024

66 -- LOW ENERGY, LOW BACKGROUND GERMANIUM DETECTOR SOL 97-7 DUE 081297 POC Rodney P. Magee, Contracting Officer, (202)260-6455 E-MAIL: Rodney Magee, Contracting Officer, Magee.Rodney@epamail.epa.gov. The Environmental Protection Agency has a requirement for a Low Energy, Low Background Germanium Dectector. The detector must meet or exceed the following characteristics: 1) The detector is of a demonstrated model with reliable history of operations. It is not a "prototype" device; 2) The detector has a thin beryllium window of 0.5 mm thickness, and is configured in an upward position with a vertical dipstick cryostat; 3) It has a 30 liter liquidd nitrogen dewar; 4) It has a germanium crystal face area of at least 3800 mm2; It has a FWHM resolution of no more than 475eV @ 5.9keV and 750eV @ 122 keV; 5) The FWTM resolution is less than or equal to twice the FWHM resolution; 6) The cryostat is constructed of ultra-low background materials to meet or exceed standards of the Canberra Industries ULB-GL cryostat hardware; 7) The detector includes a low-backgroudn collar attachment to prevent photo streaming from the outside environment that meets or exceeds the standards of the Canberra Industries RDC4 Remote Detector Chamber; 8) The detector preamp includes an exterior LED to warn of current leakage due to insufficient cooling. Simplified Acquisition Procedures will be utilized in selecting qualified vendors. Written inquiries may be utilized via facsimile to (202) 260-1929 or via Email to Magee.Rodney@epamail.epa.gov. (0203)

Loren Data Corp. http://www.ld.com (SYN# 0435 19970725\66-0001.SOL)


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