Hardware and methodological features of measuring cesium-137 in human body

«Radiation and Risk», 2007, vol. 16, No. 2-4, pp.84-91


Kaidanovsky G.N., Yakovlev V.A.
P.V. Ramsaev Research Institute of Radiation Hygiene of Rospotrebnadzor, St. Petersburg.


The paper discusses the impact of variations in the calibration factor and background shielding factor on results of estimating cesium-137 in human body based on whole-body counter (WBC) measurements, especially in the long term after the Chernobyl accident. Results of cesium measurements using different devices are compared. It is concluded that with the cesium-137 level in human body decreasing, simple portable WBCs do not seem to be fitting and WBCs with shadow protection, mainly stationary ones, should be used.

Key words
Calculation, content of cesium-137, human body, WBC measurements, variation of quantities, calibration factor, screening coefficient of background, WBC with shadow protection.


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Full-text article (in Russian)