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The article describes three interlaboratory experiments concerning 222Rn determination in water samples. The first two experiments were carried out with the use of artificial radon waters prepared by the Laboratory of Radiometric Expertise (LER), Institute of Nuclear Physics, Polish Academy of Sciences in Kraków in 2014 and 2018. The third experiment was performed using natural environment waters...
Radon (Rn-222) is the heaviest noble radioactive gas which is created during the alpha decay of radium (Ra-226), the natural element present in the environment, mainly in rock and soil. Due to radon solubility, it may be found in drinking water, thus being an additional hazardous factor for the population. That is the major reason why it is important to be able to determine its concentration in water...
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