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Year : 2017  |  Volume : 40  |  Issue : 1  |  Page : 13-17

Study on radon concentration in groundwater of Sira and Tiptur taluk of Tumkur district, Karnataka, India

Department of Physics, Bangalore University, Bengaluru, Karnataka, India

Correspondence Address:
N Nagaiah
Department of Physics, Bangalore University, Jnanabharathi Campus, Bengaluru - 560 056, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/rpe.RPE_54_16

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A study on radon concentration in groundwater samples collected from different villages of Sira and Tiptur taluk of Tumkur district has been conducted using emanometry method, and the effective dose to the public was estimated. The geometric mean of the activity concentration of dissolved radon was found to be 39.13 ± 1.99 and 3.78 ± 0.05 Bq/L for Sira and Tiptur taluk, respectively. The total annual effective dose for adult, children, and infants was also estimated and was found to be 0.20, 0.18, and 0.31 mSv/year, respectively, in Sira taluk and 0.019, 0.017, and 0.029 mSv/year in Tiptur taluk, respectively. Water samples were also analyzed for the physicochemical parameters to assess the quality of drinking water and also to understand the influence of these parameters on dissolved radon concentration. Poor correlation was observed between dissolved radon concentration and pH in both taluks.

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