Shozugawa, Katsumi
[VerfasserIn];
Riebe, Beate
[VerfasserIn];
Walther, Clemens
[VerfasserIn];
Brandl, Alexander
[VerfasserIn];
Steinhauser, Georg
[VerfasserIn]
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)
- [published Version]
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Medientyp:
E-Artikel;
Sonstige Veröffentlichung
Titel:
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)
Beteiligte:
Shozugawa, Katsumi
[VerfasserIn];
Riebe, Beate
[VerfasserIn];
Walther, Clemens
[VerfasserIn];
Brandl, Alexander
[VerfasserIn];
Steinhauser, Georg
[VerfasserIn]
Erschienen:
Cham : Springer, 2016
Erschienen in:Journal of Radioanalytical and Nuclear Chemistry 307 (2016)
Anmerkungen:
Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
Beschreibung:
We investigated Ocean sediments and seawater from inside the Fukushima exclusion zone and found radiocesium (134Cs and 137Cs) up to 800 Bq kg-1 as 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-1 radiocesium. 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. ; JSPS KAKENHI/25870158 ; CDC NIOSH Mountain and Plains Education and Research Center/T42OH009229-07 ; NRC/NRC-HQ-12-G-38-0044