Gilcrest Electric, Plum Brook Operation, 6100 Columbus Ave., Sandusky, OH 44870

66 -- TRITIUM MONITORING SYSTEM SOL 631. DUE 061495. POC Marlisa M. Young, (419)621-3258. The following is a list of Specifications for a Tritium Monitor (TMS) and data logger, necessary to monitor tritium. The TMS should be capable of sensing Tritium in either a dry nitrogen or an ambient air background atmosphere at atmospheric pressure; have at least a minimum Tritium detection limit of 1 x 10 to the negative eighth power micro Curie/cc based on a 24 hour or shorter counting time; have at least three (3) Tritium concentration full scale ranges covering Tritium concentration levels up to 1 x 10 to the negative fourth power micro Curie/cc or greater; capable of meeting all specifications using natural gas (greater than 90% methane concentration) as a counting gas if a counting gas is required; accuracy on any range shall be +/- 20% or better for the displayed range; all outputs and alarm shall be available through either standard IEEE-4888, RS-232 or RS-422 output ports; supplied with a data logger, capable of providing in engineering units, a permanent hard copy of real time (data and hour) Tritium concentrations and alarms detected. This solicitation is for equipment only and all responsible sources may submit a bid, proposal, or quotation which shall be considered. Equipment to be used at NASA Plum Brook Station, Sandusky, Ohio, under contract NAS3-26951. Requests for Solicitation must be received no later than 4:30 pm EST on May 15, 1995. FAX Requests are encouraged and should be sent to Marlisa M. Young at (419)621-3258, using reference No. 631. (128)

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