ArticleEnvironmental science & technology2015
Analysis of Japanese radionuclide monitoring data of food before and after the Fukushima nuclear accident.
Article in Environmental science & technology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed.
- Factors affecting log-transformed muscle 137Cs concentrations in wild boars in Fukushima Prefecture over 14 years.PloS one · 2026Article
- EvaluatingFrontiers in public health · 2025Article
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- Model prediction of radioactivity levels in the environment and food around the world's first AP 1000 nuclear power unit.Frontiers in public health · 2024Article
- Long-Term Analysis of Internal Exposure Dose-Reduction Effects by Food Regulation and Food Item Contribution to Dose after the Fukushima Daiichi Nuclear Power Plant Accident.Foods (Basel, Switzerland) · 2023Article
- Levels, sources, variations, and human health risk assessment ofFrontiers in public health · 2023Article
- Monitoring of radioactive cesium in wild boars captured inside the difficult-to-return zone in Fukushima Prefecture over a 5-year period.Scientific reports · 2022Article
- Longitudinal Verification of Post-Nuclear Accident Food Regulations in Japan Focusing on Wild Vegetables.Foods (Basel, Switzerland) · 2022Article
- Article
- Long-term variation ofScientific reports · 2021Article
- A survey of monitoring tap water hardness in Japan and its distribution patterns.Scientific reports · 2021Article
- Radioactivity and radionuclides in deciduous teeth formed before the Fukushima-Daiichi Nuclear Power Plant accident.Scientific reports · 2021Article
- Estimation of Effect of Radiation Dose Reduction for Internal Exposure by Food Regulations under the Current Criteria for Radionuclides in Foodstuff in Japan Using Monitoring Results.Foods (Basel, Switzerland) · 2021Article
- VADER: a variable dose-rate externalScientific reports · 2020Article
- In situ measurement of cesium-137 contamination in fruits from the northern Marshall Islands.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Cryptorchidism after the Fukushima Daiichi Nuclear Power Plant accident:causation or coincidence?Fukushima journal of medical science · 2019Review
- Article
- Source evaluation ofScientific reports · 2018Article
- Article
- ArtificialEnvironmental science and pollution research international · 2018Article
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Authors and funding
3 authors.
Funding
Abstract
In an unprecedented food monitoring campaign for radionuclides, the Japanese government took action to secure food safety after the Fukushima nuclear accident (Mar. 11, 2011). In this work we analyze a part of the immense data set, in particular radiocesium contaminations in food from the first year after the accident. Activity concentrations in vegetables peaked immediately after the campaign had commenced, but they decreased quickly, so that by early summer 2011 only a few samples exceeded the regulatory limits. Later, accumulating mushrooms and dried produce led to several exceedances of the limits again. Monitoring of meat started with significant delay, especially outside Fukushima prefecture. After a buildup period, contamination levels of meat peaked by July 2011 (beef). Levels then decreased quickly, but peaked again in September 2011, which was primarily due to boar meat (a known accumulator of radiocesium). Tap water was less contaminated; any restrictions for tap water were canceled by April 1, 2011. Pre-Fukushima (137)Cs and (90)Sr levels (resulting from atmospheric nuclear explosions) in food were typically lower than 0.5 Bq/kg, whereby meat was typically higher in (137)Cs and vegetarian produce was usually higher in (90)Sr. The correlation of background radiostrontium and radiocesium indicated that the regulatory assumption after the Fukushima accident of a maximum activity of (90)Sr being 10% of the respective (137)Cs concentrations may soon be at risk, as the (90)Sr/(137)Cs ratio increases with time. This should be taken into account for the current Japanese food policy as the current regulation will soon underestimate the (90)Sr content of Japanese foods.
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