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    STUDIA PHYSICA - Issue no. 1 / 2009  
         
  Article:   SOIL RADON MEASUREMENTS IN CLUJ-NAPOCA (ROMANIA).

Authors:  CONSTANTIN COSMA, DAN CONSTANTIN NIŢĂ, MIRCEA MOLDOVAN, PAPP BOTOND. 		 
       
         
  Abstract:  A wide interest subject in radioprotection is the issue of radon because it represents over 50% of natural radiation dose received by the population. Radon gas is an odorless, colorless, whose physical and chemical properties allow it to migrate to considerable distances. Besides other factors influencing soil radon concentration, the concentration and distribution of radon in soil parents have been found to be most dominant. Measurements of concentrations of radon (222Rn) in Cluj-Napoca have highlighted regional variations, around the Someş River. The concentrations of radon found with the LUK3C detector varies between 1186 kBq/m3 and 55.84 kBq/m3. These variations have increasing or decreasing trends, once approaching the Someş, emphasizing indirect influence of the Someş River.

Keywords: 222Rn, Radon, Soil - gas, Lucas cell 		 
         
     
         
         
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