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Assessment of Age-Dependent Radiation Dose and Toxicological Risk of Uranium in Ground Water around Uranium Mines in Sikar, Rajasthan

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Title Assessment of Age-Dependent Radiation Dose and Toxicological Risk of Uranium in Ground Water around Uranium Mines in Sikar, Rajasthan
 
Creator Khyalia, Bhupesh
Kumar, Naresh
Beniwal, Rajesh
Shakuntala
Panghal, Amanjeet
Kataria, Navish
Gautam, Prikshit
Dalal, Ranjeet
 
Subject Groundwater
LED Fluorimetry
Mining zone
Radiation
Uranium Concentration
 
Description 874-885
Uranium concentration in forty-six groundwater samples collected from the region near the uranium deposits in the
Royal village of Sikar district, Rajasthan, is determined using the LED fluorimetry technique. Age-dependent annual
effective dose, radiological, and chemical toxicity risks are calculated to assess health risks associated with the groundwater
for the people living in the nearby area. Uranium concentrations of different samples vary from 4.79–266.28 μg/L with an
average value of 74.36 μg/L Overall 69% and 43% of samples exhibit uranium concentrations greater than recommended
limits of WHO and AERB, respectively. Excess cancer risk values lie in the range from 1.36 × 10-5-7.54 × 10-4and
2.10 × 10-5-1.17 × 10-3 with mean values of 2.11 × 10-4 and 3.26 × 10-4 for mortality and morbidity, respectively. LADD
value lies in the range of 0.35 μg/kg/day to 19.51 μg/kg/day with a mean value of 5.44 μg/kg/day. The hazard quotient value
for 43.4% and 84.7% of samples is greater than unity according to AERB and WHO standards, respectively. The uranium
retention and effective radiological dose to various body organs are estimated using biokinetic modelling. Physico-chemical
parameters and their correlation with uranium concentration are also evaluated. A positive correlation is found between TDS
and uranium concentration.
 
Date 2023-09-21T05:20:16Z
2023-09-21T05:20:16Z
2023-09
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://nopr.niscpr.res.in/handle/123456789/62552
https://doi.org/10.56042/ijpap.v61i10.2690
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJPAP Vol.61(10) [October 2023]