Estimation of uranium and radon concentration in some drinking water samples of Upper Siwaliks, India
2009
Singh, Joga | Singh, Harmanjit | Singh, Surinder | Bajwa, B. S
Uranium and radon concentration was assessed in water samples taken from hand pumps, natural sources and wells collected from some areas of Upper Siwaliks, Northern India. Fission track registration technique was used to estimate the uranium content of water samples. The uranium concentration in water samples was found to vary from 1.08 ± 0.03 to 19.68 ± 0.12 μg l ⁻ ¹. These values were compared with safe limit values recommended for drinking water. Most of the water samples were found to have uranium concentration below the safe limit of 15 μg l ⁻ ¹ (WHO, World Health Organization, Guidelines for drinking-water quality (3rd ed.). Geneva, Switzerland: WHO, 2004). The radon estimation in these water samples was made using α-scintillometry to study its correlation with uranium. The radon concentration in these samples was found to vary from 0.87 ± 0.29 to 32.10 ± 1.79 Bq l ⁻ ¹. The recorded values of radon concentration were within the recommended safe limit of 4 to 40 Bq l ⁻ ¹ (UNSCEAR, United Nations Scientific Committee on the Effects of Atomic Radiations, Sources and effects of ionizing radiation. New York: United Nations, 1993). No direct correlation was found between uranium concentration and radon concentration in water samples belonging to Upper Siwaliks. The values of uranium and radon concentration in water were compared with that from the adjoining areas of Punjab state, India.
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