Study on Radon Concentration in ground water and Physicochemical parameters of Tumkur industrial areas, Karnataka State, India

S.R. Nagabhushana¹ , Srinivasa E² , uresh S³ , Sannappa J⁴

Section:Research Paper, Product Type: Isroset-Journal
Vol.7 , Issue.2 , pp.44-54, Apr-2019

CrossRef-DOI:   https://doi.org/10.26438/ijsrpas/v7i2.4454

Online published on Apr 30, 2019

Copyright © S.R. Nagabhushana, Srinivasa E, Suresh S, Sannappa J . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
The concentration of radon in the ground water around Tumkur industrial areas namely Hirehalli, Antharasanahalli, Satyamangala, and Vasanthanarasapura were measured by emanometry technique. The activity of primordial radionuclides such as Radium (226Ra), Thorium (232Th) and Potassium (40K) in different rock samples of the study area were estimated by HPGe detector based on gamma ray spectrometry. Standard methods have been applied to estimate the physicochemical parameters of the samples. The average value of radon concentration varies from 5.61 Bql-1 to 160.50 Bql-1 with an average value of 75.40 Bql-1. The total effective dose received by workers and publics due to radon inhalation and ingestion varies from 15.32 µSvy-1to 438.20 µSvy-1 with an average value of 205.84 µSvy-1.The average value of primordial radio nuclides such as 226Ra, 232Th and 40K in the rock samples of the study area varies from 20±1.5 to 150±3 Bqkg-1, 25±0.4 to 200±2.5 Bqkg-1 and 450±4 to 1800±15 Bqkg-1 respectively and their corresponding mean values are 65.6±1.3 Bqkg-1, 81.8±1.5 Bqkg-1, and 854.2±12 Bqkg-1 respectively. These values are comparable with global average. The average values of Physico chemical parameter are within the safe level as prescribed by USEPA and WHO. The results shows noteworthy correlation cannot be observed between concentration of radon and physicochemical parameters in water samples in the study area. The radon concentration in ground water mainly depends on the type of aquifers and its mineral compositions.

Key-Words / Index Term :
Radon concentration; activity of primordial nuclides; types of aquifers; physicochemical parameters; Total dose.

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