Contamination of Japanese foodstuffs of terrestrial origin after the Fukushima nuclear accident and related dose assessments Part 1: foodstuff contamination

Renaud, Ph.; Simon-­Cornu, M.; Gonze, M.-A.; Mourlon, C.; Parache, V.; Korsakissok, Irène; Navarro, É.; Cessac, B.; Rannou, A.; Champion, Didier

doi:10.1051/radiopro/2013081

Cited by 10 publications

(11 citation statements)

References 2 publications

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“…spinach, salads, cabbage, kukitachina). Livestock was still mainly confined to barns and fed with fodder produced the previous year and often stored inside, protected from deposits (Renaud et al, 2013). Nevertheless, as illustrated in the Figure 1, significant levels of contamination were reached immediately after the first radioactive deposits in case of the most sensitive products (i.e.…”

Section: Introductionmentioning

confidence: 99%

The management of contaminated goods in Japan since the Fukushima accident

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Croüail

Durand³

et al. 2020

Radioprotection

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Feedback analyses from Chernobyl and Fukushima post-accident situations have clearly emphasized the importance of management strategies for contaminated goods during the days, months and years after the accident. For instance, following the accident, the management of contaminated goods generally focuses on the implementation of protective actions, radiological countermeasures and the control of radioactivity in foodstuffs, in order to ensure the quality and sales of the food products. Then, issues concerning the loss of image of local products can appear, and subsequent strategies have to be taken to restore the consumer confidence. Based on a literature review and interviews performed between 2016 and 2018 with Japanese stakeholders involved in the Fukushima accident recovery, this paper analyses the strategies for the management of contaminated goods which have been implemented in Japan. Divided into three main parts, this paper highlights how producers/livestock breeders, agricultural cooperatives, consumers and even distributors gradually committed themselves to (i) ensure the radiological quality of products by implementing countermeasures and monitoring systems, (ii) maintain sustainable economic activity by encouraging the resumption of agricultural activities and by deploying various sales strategies and try to (iii) restore consumer confidence by initiating producer/consumer dialogues and promotional actions for local products.

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Section: Introductionmentioning

confidence: 99%

The management of contaminated goods in Japan since the Fukushima accident

Maître

Croüail

Durand³

et al. 2020

Radioprotection

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“…Therefore, the case of a regular consumption of leafy vegetables produced in Kawamata-Machi, which would have initially appeared as a rather unrealistic scenario, can be envisaged. Considering a decrease in the activity of leafy vegetables, with a period of 4 days allowing fitting the measured activities (Renaud et al, 2013), and using the previous consumption rate, the corresponding "envelope" thyroid doses can be estimated in the order of 140 mSv for a child and 50 mSv for an adult.…”

Section: Ingestion Dose Estimates Related To the First Month After Thmentioning

confidence: 99%

“…The highest activity -several tens of thousands of Bq/kg of 131 I, 134 C and 137 C -showed up only in leafy vegetables (Renaud et al, 2013). In the case of orchards, the low interception of the deposits due to the lack of leaves for most trees led to a moderate contamination of fruits.…”

Section: Introductionmentioning

confidence: 99%

“…Using the Symbiose software (Gonze et al, 2012) and on the basis of the first campaign of soil sampling coordinated by the MEXT, Renaud et al (2013) have assessed some 131 I activity levels in leafy vegetables in the order of 10 times higher than those measured. Various elements lead us to think that these are overestimated results.…”

Section: Ingestion Dose Estimates Related To the First Month After Thmentioning

confidence: 99%

“…The assessment distinguishes two consecutive periods: the first 2 months (March 15th to May 15th 2011) and the rest of the year 2011, according to the two main foodstuff contamination periods identified (Renaud et al, 2013). On the basis of the worstcase hypothesis that can reasonably be made, the estimated doses are much lower than they might have been in other circumstances, on account of generally moderate levels of contamination for most foods, early evacuation of the most severely affected areas and the consumption bans ordered by the Japanese authorities.…”

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Contamination of Japanese foodstuffs of terrestrial origin after the Fukushima nuclear accident and related dose assessment

et al. 2013

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-This article proposes an assessment of the ingestion doses potentially received by people living in the Japanese areas most severely affected by the radioactive deposits due to the Fukushima nuclear accident. The assessment distinguishes two consecutive periods: the first 2 months (March 15th to May 15th 2011) and the rest of the year 2011, according to the two main foodstuff contamination periods identified (Renaud et al., 2013). On the basis of the worstcase hypothesis that can reasonably be made, the estimated doses are much lower than they might have been in other circumstances, on account of generally moderate levels of contamination for most foods, early evacuation of the most severely affected areas and the consumption bans ordered by the Japanese authorities. Thus, a single ingestion of 100 g of leafy vegetables in the early days by a one-year-old child living in non-evacuated localities near Iitate and Kawamata could have led to an equivalent dose to the thyroid of about 25 mSv; and to a thyroid dose of about 140 mSv for the rather unrealistic scenario of a daily consumption. Because of the rapid decrease in the contamination of vegetables and a much weaker contamination of other crops, and thanks to measures taken by the authorities (prohibition of consumption, use of certain fodder, etc.), the ingestion doses potentially received during the remainder of the year 2011 are estimated to be below 1 mSv. In the event that sales limits would have been ignored, only repeated consumption of mushrooms would have led to doses above that level. Even with the worst-case hypotheses, the doses potentially caused by ingestion are much lower than those resulting from outdoor exposure to radioactive deposits: approximately several millisieverts in a year for the population living in the non-evacuated localities near Iitate and Kawamata.

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2019

Industrial and Medical Nuclear Accidents

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Contamination of Japanese foodstuffs of terrestrial origin after the Fukushima nuclear accident and related dose assessments Part 1: foodstuff contamination

Cited by 10 publications

References 2 publications

The management of contaminated goods in Japan since the Fukushima accident

The management of contaminated goods in Japan since the Fukushima accident

Contamination of Japanese foodstuffs of terrestrial origin after the Fukushima nuclear accident and related dose assessment

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