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  • Title: Full range determination of ²²²Rn at the watershed scale by liquid scintillation counting.
    Author: Lefebvre K, Barbecot F, Ghaleb B, Larocque M, Gagné S.
    Journal: Appl Radiat Isot; 2013 May; 75():71-6. PubMed ID: 23466700.
    Abstract:
    (222)Rn has been increasingly used to identify groundwater contribution to surface water. Particular attention has been paid to analytical protocols and counting parameters used for liquid alpha scintillation measurements over a range of activities covering river and groundwater domains. Direct measurements and Rn-extraction protocols are optimized, and scintillometer efficiency is calibrated using international standards over the 0.5-35 Bq/L range. The interval of activities was performed in surface water and groundwater from a small Canadian watershed.
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