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Occurrence of Heavy Metals in Groundwater Along the Lithological Interface of K/T Boundary, Peninsular India: A Special Focus on Source, Geochemical Mobility and Health Risk by Thivya Chandrasekar; Tirumalesh Keesari; Gnanachandrasamy Gopalakrishnan; Shankar Karuppannan; Venkatramanan Senapathi; Chidambaram Sabarathinam; Prasanna Mohan Viswanathan is a Environmental Science article available to read on EtoBox.

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Evaluation of the hydrogeochemical processes governing the heavy metal distribution and the associated health risk is important in managing and protecting the health of freshwater resources. This study mainly focused on the health impacts due to the heavy metals pollution in a known Cretaceous-Tertiary (K/T) contact region (Tiruchinopoly, Tamilnadu) of peninsular India, using various pollution indices, statistical, and geochemical analyses. A total of 63 samples were collected from the hard rock aquifers and sedimentary formations during southwest monsoon and analysed for heavy metals, such as Li, Be, Al, Rb, Sr, Cs, Ba, pb, Mn, Fe, Cr, Zn, Ga, Cu, As, Ni, and Co. Ba was the dominant element that ranged from 441 to 42,638 μg/l in hard rock aquifers, whereas Zn was the major element in sedimentary formations, with concentrations that ranged from 44 to 118,281 μg/l. The concentrations of Fe, Ni, Cr, Al, Cr, and Ni fell above the permissible limit in both of the formations. However, the calculated heavy metal evaluation index (HEI), heavy metal pollution index (HPI), and the degree of contamination (C d ) parameters were higher in the sedimentary formation along the contact zone of th

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Author

Thivya Chandrasekar; Tirumalesh Keesari; Gnanachandrasamy Gopalakrishnan; Shankar Karuppannan; Venkatramanan Senapathi; Chidambaram Sabarathinam; Prasanna Mohan Viswanathan

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Environmental Science (Physical Sciences)