Investor Presentaiton

Movement during 7 years after the accident 4 TBq year‍¹ to 10 TBq year‍¹ flux as resuspension and fallout 2014-2018 (20TBq to 50 TBq) decontamination works 134 TBq of 137Cs was removed from surface soil until Feb. 2019 To Sea of Japan 270 TBq by the revers 40 TBq June 2011-2016 0.73 - 1.0 TBq year‍1 discharge in 2016-2018 Until 2017- Raw Aerial monitoring of radioca http://explore.data.gov/Geography-a Response-to-2011-Fukushima-Incident-Ra/prrn-6535 Details are in Aoyama et a., 2020, JER, 10.1016/j.jenvrad.2020.106206

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