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Latest News
NWMO to select Canadian repository site this year
Canada’s Nuclear Waste Management Organization, a not-for-profit organization responsible for the long-term management of the country’s intermediate- and high-level radioactive waste, is set to select a site for a deep geologic repository by the end of the year.
E. L. Grigorescu, A. C. Razdolescu, M. Sahagia, P. Cassette, M. Tanase
Fusion Science and Technology | Volume 48 | Number 1 | July-August 2005 | Pages 382-385
Technical Paper | Tritium Science and Technology - Tritium Measurement, Monitoring, and Accountancy | doi.org/10.13182/FST05-A948
Articles are hosted by Taylor and Francis Online.
An original method, based on the continuous circulation in a closed circuit of saturated HTO vapour, is presented. The saturated vapour are obtained by bubbling from vials containing different tritium standard solutions (IFIN-HH-TDCR method). The main difference from the usual method, elaborated by Osborne, is the use of saturated vapour, which eliminates the measurement in liquid scintillator of the recovered non-saturated vapour. Tritium Monitors type MT-1 made in IFIN-HH were calibrated. The measurements were carried out for three levels of the activity concentration: 0.0180, 0.701 and 1.73 MBq.g-1. The mean response was R=2.25.10-13 A/(MBq m-3) with a relative combined uncertainty lower than 4%. The value agrees with the result obtained with the Osborne method, ROs=2.30.10-13A/(MBq m-3) and with the estimated theoretical value, 2.29 10-13A/(MBq m-3)