Distribution and sources of organic contaminants in surface sediments of Hooghly river estuary and Sundarban mangrove, eastern coast of India.

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ID: 16171
2019
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Abstract
This study investigated polycyclic aromatic hydrocarbons (PAHs) and organochlorine compounds such as polychlorinated biphenyls (PCBs) and DDT-related pesticides in surface sediments of Hooghly estuary and the Sundarban mangrove wetlands. Concentrations of ∑PAH, ∑PCB and ∑DDT ranged from 15.4 to 1731, not detected (nd) to 13.5 and nd to 8.97 ng g dry weight, respectively. Low levels of PCBs and low to moderate concentrations of DDTs and PAHs reflected recent development in West Bengal, which was dominated by agriculture and multifarious industries in the past. Diagnostic ratios suggested that major sources of PAHs are combustion processes, DDTs are input by agriculture, antifouling paints and public health campaigns, and organochlorines are predominantly from industrial origin. Heavier PCB congeners suggest local sources and short-range transport of such chemicals. Decision makers may use these findings for managing the Hooghly River watershed in order to promote a sustainable development on the eastern coast of India.
Reference Key
zanardilamardo2019distributionmarine Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zanardi-Lamardo, Eliete;Mitra, Soumita;Vieira-Campos, Amanda Alves;Cabral, Carolina Barbosa;Yogui, Gilvan Takeshi;Sarkar, Santosh Kumar;Biswas, Jayanta Kumar;Godhantaraman, Nallamuthu;
Journal Marine pollution bulletin
Year 2019
DOI
S0025-326X(19)30411-4
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