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Partition of pollution between dissolved and particulate phases: what about emerging substances in urban stormwater catchments?

Abstract : This paper presents results about the occurrence, the concentrations of urban priority substances on both the dissolved and the particulate phases in stormwater. Samples were collected at the outlet of a dense urban catchment in Paris suburb (2.30 km(2)). 13 chemical groups were investigated including 88 individual substances. Results showed that stormwater discharges contained 45 substances among them some metals, organotins, PAHs, PCBs, alkylphenols, pesticides, phthalates, cholorophenols and one volatile organic compound, i.e. methylene chloride. With respect to the European Water Framework Directive, these substances included 47% of the priority hazardous substances (n = 8), 38% of the priority substances (n = 10). The remaining substances (n = 27) belong to a list of others specific urban substances not included in the Water Framework Directive but monitored during this work. Finally, stormwater quality was evaluated by comparing the substance concentrations to environmental quality standards (EQS) and the particulate content to Canadian sediment quality guidelines. This showed that stormwater was highly contaminated and should be treated before being discharged to receiving waters in order to avoid any adverse impact on the river quality.
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https://hal-enpc.archives-ouvertes.fr/hal-00676398
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Submitted on : Monday, March 5, 2012 - 11:45:09 AM
Last modification on : Wednesday, February 26, 2020 - 7:06:15 PM

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Sally Zgheib, Régis Moilleron, Mohammed Saad, Ghassan Chebbo. Partition of pollution between dissolved and particulate phases: what about emerging substances in urban stormwater catchments?. Water Research, IWA Publishing, 2011, 45 (2), pp.913-25. ⟨10.1016/j.watres.2010.09.032⟩. ⟨hal-00676398⟩

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