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The aim of this research was to measure the efficiency of various simple methods to decrease the concentration of radon in hot springs of the touristic city of Sarein (a touristic city in northwest Iran). With the aid of “RAD7” radon detector, concentrations in water varied from 212Bqm −3 to 3890Bqm −3 . Using 250mL vials half-filled with water samples, our research showed that when...
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