2020 年 29 巻 3 号 p. 171-175
In this paper, we discussed the role of the risk analysis for recovery activity for big environmental disaster, such as the Fukushima Daiichi nuclear power accident. We reported on the result of the cost and risk analysis for decontamination, scenario evaluation of applying the volume reduction technology, re-use and final disposal of contaminated soil, decision making and communication and what is important for the next large-scale environmental disasters.