Abstract
Transfer parameters for dose assessment such as deposition velocity (V g), fraction of directly deposited on plants to the edible parts (r) and transfer factors (B iv) have been evaluated. Deposition velocity under drying and wet conditions was evaluated about 0.8 cm/s. Fraction of directly deposited on plants and transfer factors in plants showed a lognormal distribution. Geometric means of fraction of deposited in rice, leafy vegetable and grass were <9·10−3, 0.2 and about 9·10−2, respectively. Geometric mean of the transfer factor in leafy vegetable was about 3·10−2. These results were compared with the parameters given in the US NRC Regulatory Guide and previous literature values. The results showed that the fraction of directly deposited on plants were smaller than the recommended value in the NRC Regulatory Guide. They also showed that the deposition velocity and transfer factors were almost similar to the results reported in the literature.
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Katagiri, K., Shimizue, T., Akatsu, Y. et al. Study on the behavior of129I in the terrestrial environment. J Radioanal Nucl Chem 226, 23–27 (1997). https://doi.org/10.1007/BF02063619
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DOI: https://doi.org/10.1007/BF02063619