Continuous Estimation of Annual Committed Effective Dose of Radioactive          Cesium by Market Basket Study in Japan from 2013 to 2019 after Fukushima Daiichi Nuclear          Power Plant Accident

Nabeshi, Hiromi; Tsutsumi, Tomoaki; Imamura, Masataka; Uekusa, Yoshinori; Hachisuka, Akiko; Matsuda, Rieko; Teshima, Reiko; Akiyama, Hiroshi

doi:10.14252/foodsafetyfscj.d-20-00017

Cited by 9 publications

(3 citation statements)

References 17 publications

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“…In reality, only 2.5% of the food was contaminated with a dose that exceeded the provisional threshold by the time Ms. Komiyama, the Minister of Health, Labour and Welfare, advised that a new standard should be set to reduce the limit for the annual internal exposure dose from 5 mSv to 1 mSv. An assessment of internal exposure demonstrated an annual dose of 0.019 mSv 18) in Fukushima Prefecture, which is two orders of magnitude lower than the advised level of 1 mSv/y. This provisional standard was considered adequate.…”

Section: Radiation Exposure From Food Intake and Food Standardsmentioning

confidence: 81%

Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 2&3

2021

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whether the whole or part of the material is concerned, specifically the rights of translation reprinting reuse of illustrations, recitation, broad casting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpt in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the previsions of the Copyright Law of the Society's location, in its current version, and permission for use must always obtained from the Atomic Energy Society of Japan. The use of general descriptive names, registered names, trademarks, service marks. etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors can accept any legal responsibility for any errors or omissions that may be made.

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Section: Radiation Exposure From Food Intake and Food Standardsmentioning

confidence: 81%

Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 2&3

2021

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“…There were no significant differences in overall consumption pattern between the eight regions through the two phases of our study. The 14 food groups for TDS samples were identical to those previously reported 21,22) : (I) rice and rice products, (II) cereals, seeds and potatoes, (III) sugars and confectioneries, (IV) fats and oils, (V) pulses, (VI) fruits, (VII) green vegetables, (VIII) other vegetables, mushrooms and seaweed, (IX) beverages, (X) fish and shellfish, (XI) meat and eggs, (XII) milk and dairy products, (XIII) other foods (e.g., seasonings), and (XIV) drinking water. In the actual preparation of the TDS samples, individual food items were arbitrarily selected from among various food items available in supermarkets in each region.…”

Section: Tds Samplesmentioning

confidence: 96%

Dietary Exposure of the Japanese General Population to Elements: Total Diet Study 2013–2018

et al. 2022

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Some countries have conducted a total diet study (TDS) focused on the estimation of specific trace elements. Although some results of a Japanese TDS examining trace elements were published, there have been no reports of a nationwide TDS across Japan over a multi-year period to estimate the level of exposure to multiple elements. In the present study, a TDS using a market basket approach was performed to estimate the dietary exposure levels of the general population of Japan to 15 elements, including aluminum (Al), total arsenic (tAs), boron (B), barium (Ba), cadmium (Cd), cobalt (Co), chromium (Cr), total mercury (THg), molybdenum (Mo), nickel (Ni), lead (Pb), antimony (Sb), selenium (Se), tin (Sn), and uranium (U). Samples prepared in eight regions across Japan over a 6-year period were analyzed using validated methods. The robust mean exposure estimates for Al, tAs, B,

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“…Consequently, the monitoring of 134,137 Cs in organisms may need to continue until they decay naturally or dissipate in the environment to undetectable levels [4][5][6][7][8][9][10][11]. The processes of the resuspension of 134,137 Cs are not fully understood but many studies have concluded that the concentrations and exposure levels of radioactive Cs were well below regulatory levels, and that their contribution to the long-term exposure of the public from consuming foodstuffs has not been significant in recent years [12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Comprehensive analysis of a decade of cumulative radiocesium testing data for foodstuffs throughout Japan after the 2011 Fukushima Daiichi Nuclear Power Plant accident

et al. 2022

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The unexpected accident at the Fukushima Daiichi Nuclear Power Station in Japan, which occurred on March 11th, 2011, after the Great East Japan Earthquake and tsunami struck the north-eastern coast of Japan, released radionuclides into the environment. Today, because of the amounts of radionuclides released and their relatively long half-life, the levels of radiocesium contaminating foodstuffs remain a significant food safety concern. Foodstuffs in Japan have been sampled and monitored for 134,137Cs since the accident. More than 2.5 million samples of foodstuffs have been examined with the results reported monthly during each Japanese fiscal year (FY, from April 1st to March 31st) from 2012 to 2021. A total of 5,695 samples of foodstuffs within the “general foodstuffs” category collected during this whole period and 13 foodstuffs within the “drinking water including soft drinks containing tea as a raw material” category sampled in FY 2012 were found to exceed the Japanese maximum permitted level (JML) set at 100 and 10 Bq/kg, respectively. No samples from the “milk and infant foodstuffs” category exceeded the JML (50 Bq/kg). The annual proportions of foodstuffs exceeding the JML in the “general foodstuffs” category varied between 0.37% and 2.57%, and were highest in FY 2012. The 134,137Cs concentration for more than 99% of the foodstuffs monitored and reported has been low and not exceeding the JML in recent years, except for those foodstuffs that are difficult to cultivate, feed or manage, such as wild mushrooms, plants, animals and fish. The monitoring data for foodstuffs show the current status of food safety risks from 134,137Cs contamination, particularly for cultured and aquaculture foodstuffs on the market in Japan.

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Continuous Estimation of Annual Committed Effective Dose of Radioactive Cesium by Market Basket Study in Japan from 2013 to 2019 after Fukushima Daiichi Nuclear Power Plant Accident

Cited by 9 publications

References 17 publications

Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 2&3

Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 2&3

Dietary Exposure of the Japanese General Population to Elements: Total Diet Study 2013–2018

Comprehensive analysis of a decade of cumulative radiocesium testing data for foodstuffs throughout Japan after the 2011 Fukushima Daiichi Nuclear Power Plant accident

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