Abstract
Fifty-one seabed sediments were collected to estimate the influence of the Fukushima Daiichi Nuclear Power Plant accident on the area offshore from Ibaraki. The 134Cs and 137Cs radioactivity levels were 3.8–206.7 and 6.1–296 Bq/kg (dry wt), respectively, and the activity ratios of 134Cs/137Cs were 0.48–0.77. The 90Sr and 239,240Pu activity levels were ND–0.26 and 0.170–0.78 Bq/kg (dry wt), respectively. The ratios of 238Pu/239,240Pu activity were 0.014–0.019. The 90Sr radioactivity was increased by the accident and Pu isotopes radioactivity was not changed.
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Schedule a callMore From: Journal of Radioanalytical and Nuclear Chemistry Letters
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