Fukushima-derived radionuclides in sediments of the Japanese Pacific Ocean coast and various Japanese water samples (seawater, tap water, and coolant water of Fukushima Daiichi reactor unit 5)
Abstract
We investigated Ocean sediments and seawater from inside the Fukushima exclusion zone and found radiocesium (134Cs and 137Cs) up to 800 Bq kg−1as well as 90Sr up to 5.6 Bq kg−1. This is one of the first reports on radiostrontium in sea sediments from the Fukushima exclusion zone. Seawater exhibited contamination levels up to 5.3 Bq kg−1radiocesium. Tap water from Tokyo from weeks after the accident exhibited detectable but harmless activities of radiocesium (well below the regulatory limit). Analysis of the Unit 5 reactor coolant (finding only 3H and even low 129I) leads to the conclusion that the purification techniques for reactor coolant employed at Fukushima Daiichi are very effective.
Details
- Organisationseinheit(en)
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Institut für Radioökologie und Strahlenschutz
- Externe Organisation(en)
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University of Tokyo (UTokyo)
Colorado State University
- Typ
- Artikel
- Journal
- Journal of Radioanalytical and Nuclear Chemistry
- Band
- 307
- Seiten
- 1787-1793
- Anzahl der Seiten
- 7
- ISSN
- 0236-5731
- Publikationsdatum
- 23.08.2015
- Publikationsstatus
- Veröffentlicht
- Peer-reviewed
- Ja
- ASJC Scopus Sachgebiete
- Analytische Chemie, Kernenergie und Kernkraftwerkstechnik, Radiologie, Nuklearmedizin und Bildgebung, Umweltverschmutzung, Spektroskopie, Öffentliche Gesundheit, Umwelt- und Arbeitsmedizin, Gesundheit, Toxikologie und Mutagenese
- Ziele für nachhaltige Entwicklung
- SDG 3 - Gute Gesundheit und Wohlergehen
- Elektronische Version(en)
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https://doi.org/10.1007/s10967-015-4386-9 (Zugang:
Offen
)