Update History Information
- 2024/07/12
- Base Information Q&A Site Updated
- ＃02. Is there any chance that decontaminated areas may be contaminated again, increasing the air dose rates?
- ＃02. When soil generated by decontamination is stored in containers for a long time, is there any possibility that the soil may leak from the containers?
- ＃02. Is it possible for agricultural produce to be bred in areas where soil generated by decontamination was stored temporarily (former temporary storage sites), and will it be safe?
- ＃03. How is it considered that radioactive cesium-137 (137Cs) concentrations on the forest surface (forest floor) in Fukushima prefecture will change in the future?
- ＃03. Did low-dose radiation exposure in Fukushima prefecture affect de novo mutations of the next generation of trees?
- 2024/06/26
- Base Information Q&A Site Updated
- 2024/05/25
- Base Information Q&A Site Updated
- 2024/05/15
- Base Information Q&A Site Updated
- ＃02. What efforts are you making to release the difficult-to-return zones where residents can feel safe?
- ＃04. Does defoliation of forests affect the concentration of cesium dissolved in river water?
- ＃04. How is radioactive cesium deposited on land expected to move in the future?
- ＃04. Wouldn't radioactive cesium accumulated at the bottom of lakes, dams, etc. dissolve and affect the ecosystem and farming operations downstream?
- ＃04. How extent does radiocesium flowing in from rivers affect the coastal environment?
- 2024/04/25
- Base Information Q&A Site Updated
- 2024/04/19
- Base Information Q&A Site Updated
- 2024/01/26
- Base Information Q&A Site Updated
- ＃01. How has the cesium concentration in the air changed since the accident?
- ＃01. Why Does the Air Dose Rate in Urban Areas Decline Quickly?
- ＃01. I heard lichens tend to capture cesium. What is the mechanism like? (2)
- ＃02. Does radioactive cesium in edible wild plants reduce through cooking? If so, by how much?
- ＃03. Do radioactive cesium concentrations in trees change season to season?
- ＃03. What kind of changes did radioactive cesium concentrations in wood and bark of trees contaminated by the nuclear accident go through over 10 years since the accident?
- ＃03. What kind of changes did radioactive cesium in forest soil contaminated by the nuclear accident go through over 10 years since the accident?
- ＃04. If there is an unprecedentedly large outflow of water, can you still predict the transfer of radioactive cesium?
- ＃05. What kind of effects did the accident at the nuclear power station have on aquatic insects and freshwater fish that feeds on them?
- ＃06. What is tritium? What is it like?
- ＃06. Does tritium affect our bodies?
- ＃06. What are the initiatives for third-party analysis of ALPS treated water by JAEA under the national policy?
- ＃06. Please provide information on websites that publicize initiatives related to treated water.
- ＃06. What kind of measures against leakage of contaminated water are taken on the premises of the Fukushima Daiichi Nuclear Power Station (1F)?
- ＃06. On performing fuel debris retrieval work, what kind of measures are taken to ensure the safety of workers?
【2023】
- 2023/03/31
- Base Information Q&A Site Updated
- 2023/02/22
- Base Information Q&A Site Updated
【2022】
- 2022/09/30
- Base Information Q&A Site Updated
- ＃01. Does cesium stick to other than clay minerals?
- ＃01. Tell us about the machine learning that, I heard, accurately estimates air dose rates at 1 m above the ground level from measurements taken using an unmanned helicopter.
- ＃01. I heard lichens tend to capture cesium. What is the mechanism like?
- ＃02. What is the radiation-shielding effect of a house? (2)
- ＃03. Is the environmental dynamics of radioactive cesium released by the accident at the Fukushima Daiichi NPS any different from that near Chernobyl after the Chernobyl disaster?
- ＃03. How much do we know now about the movement of radioactive cesium in the forest-stream ecosystems?
- ＃03. What is the relationship between the movement of cesium in forests and air dose rates?
- ＃03. Is the downward migration of radioactive cesium in forest soils in Japan after the Fukushima accident any different from the movement of radioactive cesium around Chernobyl after the Chernobyl disaster?
- ＃05. I heard the amount of cesium wild mushrooms absorb becomes smaller when the soil is rich in potassium. Is that true?
- ＃05. What changes do you see in radioactive cesium concentrations in wild animals in Fukushima Prefecture? [Recent trend]
- ＃06. Information on treated water and decommissioning
- ＃06. Where can I find information on decommissioning?
- ＃06. Is it possible to visualize radiations? Also, is there a way to understand the situation of contamination inside the Fukushima Daiichi NPS buildings?
- ＃06. What is a cesium ball?
- ＃06. How can tritium taken up by animals and plants be measured?
- ＃06. What happened to the inside of the reactor pressure vessel and storage vessel after the accident?
- ＃06. What information is needed to safely retrieve fuel debris?
- ＃06. Where can I find measurement results for tritium in the environment?
- ＃06. Where can I find information on treated water?
- 2022/03/18
- Base Information Q&A Site Updated
- 2022/02/15
- Base Information Q&A Site Updated
【2021】
- 2021/10/01
- Base Information Q&A Site Renewal release
- 2021/10/01
- Database for Radioactive Substance Monitoring Data Renewal release
- 2021/03/31
- Base Information Q&A Site（Japanese） Renewal release
- 2021/03/31
- Database for Radioactive Substance Monitoring Data Open test