Factors Influencing Radon (222Ra) Levels of Water: An International Comparison - Journal of Geoscience and Environment Protection

GEP > Vol.7 No.5, May 2019

Factors Influencing Radon (²²²Ra) Levels of Water: An International Comparison ()

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Download as PDF (Size: 302KB) PP. 69-80

DOI: 10.4236/gep.2019.75008 672 Downloads 1,850 Views

Author(s)

M. Nagaraja¹, A. Sukumar^1*, V. Dhanalakshmi¹, S. Rajashekara²

Affiliation(s)

¹Department of Education in Science and Mathematics, Regional Institute of Education, National Council of Educational Research and Training, Mysore, India.
²Department of Zoology, Bangalore University, Bangalore, India.

ABSTRACT

Radon levels were measured in 59 water samples of rural and urban places of Bangalore city following procedures of standardized techniques. Though water level of radon above 100 Bqll^-1 of WHO is ascribed to causes of lung cancer and leukaemia, very low levels were found in different urban and rural places, but urban-rural gradient observed significantly higher urban levels than rural levels. Correlation between depth of water sampled and radon levels estimated indicates that in urban places, lower water depth is related to higher radon levels, while it is vice versa in rural. It is due to more water use for rural agriculture and more urban water pollution and granite quarries. In comparison to other countries, it is observed that water radon levels are at wide ranges from the lowest to the highest estimated with different techniques and differ due to types of water, soil, rocks and sampling season.

KEYWORDS

Water Radon, Status Comparison, Influencing Factors, Urban and Rural Exposure

Share and Cite:

Nagaraja, M. , Sukumar, A. , Dhanalakshmi, V. and Rajashekara, S. (2019) Factors Influencing Radon (²²²Ra) Levels of Water: An International Comparison. Journal of Geoscience and Environment Protection, 7, 69-80. doi: 10.4236/gep.2019.75008.

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