Japanese Journal of Radiation Safety Management
Online ISSN : 1884-9512
Print ISSN : 1347-1503
ISSN-L : 1347-1503
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Volume 11, Issue 2
Displaying 1-20 of 20 articles from this issue
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  • Method for Monitoring Radioactive Cesium Concentration in Water Using Cesium Adsorption Disk and GM Survey Meter
    Tetsushi NAGANO, Hisayoshi MITAMURA, Nobuyuki YANASE, Hirochika NAGANA ...
    2012 Volume 11 Issue 2 Pages 139-145
    Published: 2012
    Released on J-STAGE: November 21, 2012
    DOIhttps://doi.org/10.11269/jjrsm.11.139
    JOURNAL FREE ACCESS
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      A method for monitoring radioactive cesium concentration in water using a cesium adsorption disk and a GM survey meter has been developed to ascertain whether the water quality meets standards on radiological contaminants in water. In this method, both dissolved and suspended forms of radioactive cesium are collected on the cesium adsorption disk by means of filtration of a water sample. Beta count rate of the disk is converted into radioactivity using a conservative calibration factor obtained here. The present method was applied to monitoring of decontaminated water of an outdoor school swimming pool in Date City after Fukushima Daiichi Nuclear Power Plant accident.
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