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Analysis of emerging contaminants: A case study of the underground and 2 drinking water samples in Chandigarh, India

Vashisht, Devika; Kumar, Amit; Mehta, Surinder Kumar; Ibhadon, Alex


Devika Vashisht

Amit Kumar

Surinder Kumar Mehta

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Dr Alex Ibhadon
Reader in Catalysis and Reactor Engineering



10 The present report deals with the analysis of emerging contaminants and the quality of 11 drinking and underground water supply in Chandigarh, India. A water sampling monitoring 12 and analysis was conducted by collecting a total of 54 samples of underground & drinking 13 water of Chandigarh to analyse the health risk associated with the spr ead of emerging 14 contaminants in the water sources. The quality of water samples was also assessed by 15 measuring the colour, odour, temperature, pH, electrical conductivity (EC), biological oxygen 16 demand (BOD), dissolved oxygen (DO), total dissolved solids/ salts (TDS) and hardness. For 17 the estimation of the emerging contaminants (Endosulphan (ES) and Hexachlorohexane 18 (HCH)) in the water samples, an extraction procedure was carried out by dispersive liquid-19 liquid extraction method followed by analysis using gas chromatography-mass spectrometry 20 (GC-MS). The levels of ES and HCH obtained were compared with the drinking water 21 standards of the Bureau of Indian Standards (IS: 10500). The levels of HCH and ES in all the 22 water samples tested were found to be below the detection limit. It cannot be denied that the 23 industrial discharge and other agencies seems to be complying with the regulations. The 24 Initiatives by the Central and State Govt of India seems to have created sensitivit y and 25 awareness among the public specifically among the farmers. The limit of detection (LOD) 26 were 1.0 ×10-3 and 2.4 ×10-3 ppm for ES and, HCH respectively. However, some water 2 27 pollution indicators were found to exceed the limits specified by the Bureau of Indian 28 Standards (BIS).


Vashisht, D., Kumar, A., Mehta, S. K., & Ibhadon, A. (in press). Analysis of emerging contaminants: A case study of the underground and 2 drinking water samples in Chandigarh, India. Environmental advances,

Journal Article Type Article
Acceptance Date Jun 14, 2020
Online Publication Date Jun 23, 2020
Deposit Date Jun 29, 2020
Publicly Available Date Jul 2, 2020
Journal Environmental advances
Print ISSN 2666-7657
Publisher Elsevier
Peer Reviewed Peer Reviewed
Keywords Emerging contaminants; Chandigarh; Endosulphan; Hexachlorohexane; Underground water
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