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Tank waste operations resume at Idaho’s IWTU
The Department of Energy’s Office of Environmental Management announced yesterday that waste processing operations have resumed at the Integrated Waste Treatment Unit (IWTU) at the Idaho National Laboratory Site. The resumption of operations follows the completion of two maintenance campaigns at the radioactive liquid waste treatment facility.
S. Strack, S. Diabaté, J. Müller, W. Raskob
Fusion Science and Technology | Volume 28 | Number 3 | October 1995 | Pages 951-956
Tritium Safety | Proceedings of the Fifth Topical Meeting on Tritium Technology in Fission, Fusion, and Isotopic Applications Belgirate, Italy May 28-June 3, 1995 | doi.org/10.13182/FST95-A30528
Articles are hosted by Taylor and Francis Online.
For estimations of the ingestion dose of tritium the dynamic behaviour of organically bound tritium (OBT) is studied in the framework of safety considerations for the nuclear fusion technology. In diet relevant plants, uch as wheat, the formation of OBT and the subsequent translocation into the seeds, till the time of harvest have been investigated in chamber experiments. Sets of field data on photosynthesis, transpiration and stomatal resistances at individual plants during several vegetation periods have been collected by gas exchange measurements. These data were used to test the recently developed model ‘Plant-OBT’. The paper analyses the results of comparisons between calculated and observed tritium concentrations in wheat plants after short-term exposures to atmospheric tritiated water (HTO). While the final OBT concentrations in the grains can be Simulated sufficiently, the modelling of the OBT formation and turnover processes in the leaves seems unsatisfactory so far. The unsolved problems in the recent OBT modelling approach are discussed.