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Report No.

Design and implementation of $$^{10}$$B+$$^{3}$$He integrated continuous monitor (BHCM) to holdup monitoring in glove boxes

Mukai, Yasunobu; LaFleur, A. M.*; Nakamura, Hironobu; Menlove, H. O.*; Swinhoe, M. T.*; Marlow, J. B.*; Kurita, Tsutomu

In order to improve the safeguards and nuclear material accountancy of holdup measurements and establish an alternative technology for $$^{3}$$He shortage, we have designed the $$^{10}$$B + $$^{3}$$He Integrated Continuous Monitor (BHCM) and implemented the measurements to continuously monitor the holup in gloveboxes at Plutonium Conversion Developoment Facility. In this paper, we present the outline of BHCM, the comparison between MCNP simulations and the measured results in preliminaly test and a demonstration of process monitoring ability during operation to see the relation between Totals trend and operational status by using $$^{10}$$B detection tubes.



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