Journal
CHEMOSPHERE
Volume 300, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2022.134433
Keywords
Agricultural soil; Ganga basin; Hazard quotient (HQ); Health risk; Physico-chemical properties; Potentially toxic elements (PTEs)
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Funding
- ASEAN-India S&T Development Fund (AISTDF), Department of Science and Technology, India [IMRC/AISTDF/CRD/2018/000072]
- UGC
- BHU
- Council of Scientific & Industrial Research (CSIR-New Delhi), India [09/013(0853)/2018-EMR-I]
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This study analyzed the levels of potentially toxic elements and physico-chemical properties in agricultural soil samples from fields along the river Ganga. The results showed contamination of these elements in the fields and possible health hazards for people.
The present study analysed the levels of potentially toxic elements along with physico-chemical properties of agricultural soil samples (n = 59) collected from fields situated along the path of river Ganga in the middle Gangetic floodplain in two districts, Ballia and Ghazipur. Arsenic (As), chromium (Cr), copper (Cu), nickel (Ni), zinc (Zn), lead (Pb), iron (Fe) and manganese (Mn) levels were analysed by Wavelength Dispersive-X-Ray Fluorescence Spectroscopy (WD-XRF) and the associated health risks along with diverse indices were calculated. The mean concentrations of As, Cu, Cr, Pb, Zn and Ni were found to be 15, 42, 85, 18, 87 and 47 mg kg(-1), respectively in Ballia and 13, 31, 73, 22, 77 and 34 mg kg(-1), respectively in Ghazipur. Physico-chemical properties like pH, ORP and organic matter were found to be 7.91, 209 and 1.20, respectively in Ballia and 8.51, 155 and 1.25, respectively in Ghazipur. The calculated health quotient (HQ) for all the elements was observed to be within the threshold value of one, however with few exemptions. Therefore, the present study showcases the contamination of potentially toxic elements in agricultural fields and possible health hazards for people.
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