Intercomparison of Rn-222 determination from groundwater

An intercomparison exercise on Rn-222 determination in groundwater was organized between eight Nordic laboratories. The individual laboratory results were in most cases within 20% of the median value and within reported uncertainties. Considering the particular difficulties in preparing, transportin...

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Veröffentlicht in:	Applied radiation and isotopes 2010, Vol.68 (1), p.214-218
Hauptverfasser:	Vesterbacka, P., Pettersson, H., Hanste, U.-M., Jakobson, E., Kolstad, T., Roos, P., Östergren, I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Environmental Monitoring Estonia Finland Gamma spectrometry Geologic Sediments - analysis Groundwater Intercomparison Liquid scintillation counting MEDICIN MEDICINE Quality Control Radiation Monitoring - methods Radon - analysis Reproducibility of Results Rn-222 Scandinavian and Nordic Countries Soil Pollutants, Radioactive - analysis Water Pollutants, Radioactive - analysis
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Beschreibung
Zusammenfassung:	An intercomparison exercise on Rn-222 determination in groundwater was organized between eight Nordic laboratories. The individual laboratory results were in most cases within 20% of the median value and within reported uncertainties. Considering the particular difficulties in preparing, transporting and analyzing Rn-222, being a gaseous radionuclide, the results indicate a high analytical capability among the Nordic laboratories. In order to maintain a high analytical quality, similar intercomparisons will also be needed in the future.
ISSN:	0969-8043 1872-9800 1872-9800
DOI:	10.1016/j.apradiso.2009.10.008