NDLI: Distribution and risk assessment of organochlorine contaminants in surface water from River Chenab, Pakistan

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Journal of Environmental Monitoring Vol - 14 Issue - 5

Journal of Environmental Monitoring Vol - 14 Issue - 4

Journal of Environmental Monitoring Vol - 14 Issue - 3

Journal of Environmental Monitoring Vol - 14 Issue - 2

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Distribution and risk assessment of organochlorine contaminants in surface water from River Chenab, Pakistan

Content Provider	Royal Society of Chemistry (RSC)
Author	Jones, Kevin C. Malik, Riffat Naseem Katsoyiannis, Athanasios Chakraborty, Paromita Eqani, Syed Ali-Musstjab-Akber-Shah Zhang, Gan Mohammad, Ashiq
Copyright Year	2012
Abstract	Concentrations in surface waters (including particulate phase) of the River Chenab ranged from 27–1100 ng L−1 and 25–1200 ng L−1 for OCPs and 7.7–110 ng L−1 and 13–99 ng L−1 for PCBs during summer and winter, respectively from 2007–2009. DDTs exhibited the highest concentration, followed by HCHs > chlordane > ∑24PCBs > ∑other OCPs. Different indicative ratios for organochlorines suggest that current use, long range transport and also past application of these chemicals contribute to the total burden. Statistical analysis highlighted agricultural and industrial activities and municipal waste disposal as main sources of OCPs and PCBs in the riverine ecosystem of the River Chenab. Risk Quotients (RQCCCs) > 10 for DDTs and PCBs levels in collected water samples from the River Chenab suggest that risk from DDTs and PCBs is moderate to severe and fluxes calculated for OCPs and PCBs from the River Chenab to the Indus River were 7.5 tons per year and 1.0 tons per year, respectively.
Starting Page	1645
Ending Page	1654
Page Count	10
File Format	HTM / HTML PDF
ISSN	14640325
Volume Number	14
Issue Number	6
Journal	Journal of Environmental Monitoring
DOI	10.1039/c2em11012a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	River Chenab Indus River Chenab River Chlordane Ecosystem
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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