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首页> 外文期刊>Plasma and Fusion Research >Consideration on the Necessity of Tritium Limit in Foods in Japan — Perspective on the Current Food Regulation
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Consideration on the Necessity of Tritium Limit in Foods in Japan — Perspective on the Current Food Regulation

机译：关于日本食品中Limit限量的必要性的思考-以现行食品法规为视角

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The current radioactive cesium limit in food in Japan was established on the basis of a permissible dose relating to the food regulation in Japan (1 mSvy?1) on April 2012. The current limit only accounts for the influence of 134Cs, 137Cs, 90Sr, 238Pu, 239Pu, 240Pu, 241Pu, and 106Ru; however, the contribution due to other radionuclides such as 3H is not included. In this study, the principle focus was the influence of 3H and the necessity for establishing permissible 3H food contamination limits in the light of the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident. It was found that no adjustment to 3H limits in food was required due the FDNPP accident. This is because effective doses that include the contributions of 3H would not exceed the permissible dose for food regulation in Japan as long as regulatory controls are performed using the current limits. The results and concepts in this study will prove helpful for food regulation when fusion reactors with 3H are operational.
机译：当前日本食品中放射性铯的限值是根据2012年4月日本食品法规中允许的剂量（1 mSvy？1）确定的。当前限值仅考虑了134Cs，137Cs，90Sr， 238Pu，239Pu，240Pu，241Pu和106Ru;但是，不包括其他放射性核素（例如3H）的贡献。在这项研究中，主要重点是3H的影响以及根据福岛第一核电站事故（FDNPP）制定允许的3H食品污染限值的必要性。结果发现，由于FDNPP事故，无需对食品中的3H限值进行调整。这是因为，包括3H贡献在内的有效剂量将不会超过日本食品监管所允许的剂量，只要使用当前限值进行监管即可。当具有3H的聚变反应堆投入运行时，本研究的结果和概念将证明对食品监管很有帮助。

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