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福島県立医科大学学術成果リポジトリ = Fukushima Medical University Repository >
福島医学会 = The Fukushima Society of Medical Science >
Fukushima Journal of Medical Science >
Vol.60 (2014) >
このアイテムの引用には次の識別子を使用してください:
http://ir.fmu.ac.jp/dspace/handle/123456789/411
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| タイトル: | Radioactive substances in tap water |
| 著者: | Atsuumi, Ryo
Endo, Yoshihiko
Suzuki, Akihiko
Kannotou, Yasumitu
Nakada, Masahiro
Yabuuchi, Reiko |
| 誌名/書名: | Fukushima Journal of Medical Science |
| 巻: | 60 |
| 号: | 1 |
| 開始ページ: | 101 |
| 終了ページ: | 105 |
| 発行日: | 2014年8月8日 |
| 抄録: | A 9.0 magnitude (M) earthquake with an epicenter off the Sanriku coast occurred at 14: 46 on March 11, 2011. TEPCO Fukushima Daiichi Nuclear Power Plant (F-1 NPP) was struck by the earthquake and its resulting tsunami. Consequently a critical nuclear disaster developed, as a large quantity of radioactive materials was released due to a hydrogen blast. On March 16th, 2011, radioiodine and radioactive cesium were detected at levels of 177 Bq/kg and 58 Bq/kg, respectively, in tap water in Fukushima city (about 62km northwest of TEPCO F-1 NPP). On March 20th, radioiodine was detected in tap water at a level of 965 Bq/kg, which is over the value-index of restrictions on food and drink intake (radioiodine 300 Bq/kg (infant intake 100 Bq/kg)) designated by the Nuclear Safety Commission. Therefore, intake restriction measures were taken regarding drinking water. After that, although the all intake restrictions were lifted, in order to confirm the safety of tap water, an inspection system was established to monitor all tap water in the prefecture. This system has confirmed that there has been no detection of radioiodine or radioactive cesium in tap water in the prefecture since May 5th, 2011. Furthermore, radioactive strontium (^{89} Sr, ^{90}Sr) and plutonium (^{238}Pu, ^{239}Pu+^{240}Pu) in tap water and the raw water supply were measured. As a result, ^{89}Sr, ^{238}Pu, ^{239}Pu+^{240}Pu were undetectable and although ^{90}Sr was detected, its committed effective dose of 0.00017 mSv was much lower than the yearly 0.1 mSv of the World Health Organization guidelines for drinking water quality. In addition, the results did not show any deviations from past inspection results. |
| 注記: | Fukushima Radiation Symposium 2013 |
| 出版者: | The Fukushima Society of Medical Science |
| 出版者（異表記）: | 福島医学会 |
| 本文の言語: | eng |
| このページのURI: | http://ir.fmu.ac.jp/dspace/handle/123456789/411 |
| 本文URL: | http://ir.fmu.ac.jp/dspace/bitstream/123456789/411/1/FksmJMedSci_60_p101.pdf |
| ISSN: | 0016-2590
2185-4610 |
| DOI: | 10.5387/fms.2014-11 |
| PubMed番号: | 25030724 |
| 関連ページ: | http://dx.doi.org/10.5387/fms.2014-11 |
| 権利情報: | © 2014 The Fukushima Society of Medical Science |
| 出現コレクション: | Vol.60 (2014)
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