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    STUDIA AMBIENTUM - Issue no. 2 / 2011  
         
  Article:   INTERNATIONAL INTERCOMPARISONS OF RADON DEVICES AND SOLID STATE NUCLEAR DETECTORS, IN CZECH REPUBLIC.

Authors:  BOTOND PAPP, CONSTANTIN COSMA, ALEXANDRA CUCOŞ (DINU), ROBERT BEGY, TIBERIU DICU, MIRCEA MOLDOVAN, DAN C. NIŢǍ, BETTY BURGHELE, CIPRIAN CÎNDEA, DAN FULEA, CARLOS SAINZ.
 
       
         
  Abstract:   During the 6th Conference on Protection Against Radon at Home and at Work which held in September 2010 in Prague, the 1st Intercomparison of Continuous Radon and its Short-lived Decay Product Monitors was organized and held by the National Radiation Protection Institute (SURO, Prague), and an International Intercomparison of Solid State Nuclear Track Detectors was organized by the National Institute for Nuclear, Chemical and Biological Protection (SUJCHBO, Czech Republic). The Environmental Radioactivity Research Group of the Faculty of Environmental Science and Engineering from Babes-Bolyai University was an active participant at these intercomparisons, obtaining good results in accordance with reference values of the organizers. We intended to intercompare and tests the RADIM EMAN 3A continous radon monitor, a DOSEMAN PRO radon and short-lived decay products monitor, RAMON 2.2 simple radon monitors, and the purcheased CR-39 track detectors. Results of the radon monitor measurements show 10 % difference from the NRPI reference continuous monitor for the RADIM 3A continous monitor. Regarding to the EEC results shows an underestimation by a factor of four for the DOSEMAN PRO, and for RAMON 2.2 were about 10% overestimated then the reference value. Results of the solid state nuclear track detectors intercomparison was approx. the same than the reference values of the organizers.

Key words: radon and short-lived radon decay products, continuous monitor, equivalent equilibrium concentration, solid-state nuclear track detector, international intercomparison.
 
         
     
         
         
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