Administrative Contracts Service Center (3803R), Environmental Protection Agency, Ronald Reagan Building -- 7th Floor, 1300 Pennsylvania Avenue, N.W., Washington, DC 20460

66 -- SODIUM IODIDE SCINTILLATION DETECTOR SOL FSE057 DUE 101499 POC Mrs. Richardson at (202)564-4789 WEB: WWW.EPA.GOV, WWW.EPA.GOV. E-MAIL: NOT AVAILABLE, NOT AVAILABLE. THIS CONTRACT ACTION IS A SIMPLIFIED ACQUISITION PROCEDURE OF FAR PART 13. IT IS FOR NINE SODIUM IODIDE 4"x4"x16" SCINTILLATION DETECTORS FEATURING LOW BACKGROUND, RUGGEDIZED AND INTEGRALLY MOUNTED (NO SOCKET) VOLTAGE DIVIDER AND PREAMP ASSEMBLY. DETECTOR SPECIFICATIONS: 1. CRYSTAL HOUSING MADE OF MAXIMUM .018" THICK STAINLESS STEEL, CAPABLE OF WITHSTANDING AN AXIAL SHOCK OF 5 G'S. 2. HOUSING TO BE EVACUATED AND MAINTAIN 10x10 TORR VACUUM. 3. VOLTAGE DIVIDER AND PREAMP TO BE INTEGRALLY MOUNTED TO THE PMT. 4. DETECTOR TO BE GAIN MATCHED WITH GAIN AND FOCUS POTS. PROVIDED. 5. LOW BACKGROUND MATERIALS, INCLUDING QUARTZ WINDOWS, LOW BACKGROUND PMT AND LOW BACKGROUND CONSTRUCTION TECHNIQUES TO BE INPLEMENTED. 6. PREAMP CONNECTORS ARE SHV (HIGH VOLTAGE) AND BNC (SIGNAL), PREAMP PROVIDED FROM HIGH VOLTAGE. 7. PULSE HEIGHT RESOLUTION TO BE 8.0% OR BETTER @ 662 KEV (Cs-137). 8. THREE YEAR WARRANTY (PROVIDED DETECTOR IS PROTECTED FROM EXCESSIVE THERMAL AND MECHANICAL SHOCK). PLEASE FAX ALL BIDS TO FAX NO. (202)574-4789. ANY QUESTION PLEASE PHONE AT 202-564-4789. Posted 09/29/99 (W-SN386268). (0272)

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