“Significant volatile fission products” deposited 300 kilometers from Fukushima plant

Published: March 23rd, 2013 at 11:57 am ET
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Title: The ambient gamma dose-rate and the inventory of fission products estimations with the soil samples collected at Canadian embassy in Tokyo during Fukushima nuclear accident
Source: Journal of Radioanalytical and Nuclear Chemistry
Author:  Weihua Zhang, Judah Friese, Kurt Ungar
Date: April 2013, Volume 296, Issue 1, pp 69-73

In this study, soil samples were collected at Canadian embassy in Tokyo (about 300 km from Fukushima) on 23 March and 23 May of 2011 for purposes of estimating concentrations of radionuclides in fallout, the total fallout inventory, the depth distribution of radionuclide of interest and the elevated ambient gamma dose-rate at this limited location. […]

The results have demonstrated that the significant volatile fission products carried with aerosol were deposited on the ground by wet or dry precipitation within 300 km around Fukushima plant. The actinide data suggests that there was not a measurable amount of nuclear fuel from Fukushima reactors present in this distance. […]

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Published: March 23rd, 2013 at 11:57 am ET
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