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Impact of carwash discharge on stormwater quality (Toulouse, France)

Sablayrolles, Caroline and Vialle, Claire and Vignoles, Christian and Montréjaud-Vignoles, Mireille Impact of carwash discharge on stormwater quality (Toulouse, France). (2010) Water Science and Technology, vol. 62 (n° 12). pp. 2737-2746. ISSN 0273-1223

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Official URL: http://dx.doi.org/doi:10.2166/wst.2010.929

Abstract

The contribution of discharge from carwashes to pollutant levels in stormwater was evaluated. Five carwashes and two outlets in the city of Toulouse (France) were selected. Water samples were collected from December 2006 to December 2007. Concentrations and loadings of classical water quality parameters (conductivity, pH, turbidity, chemical oxygen demand, nitrogen, phosphorus, ammonium, nitrate, suspended solid and volatile suspended solid) and five groups of organic compounds (polycyclic aromatic hydrocarbons, polychlorinated biphenyls, lauryl alkyl benzene sulphonates, methyl tert-butyl ether and total hydrocarbons) were determined. The results suggest that the wastewater derived from carwashes was negligible compared to the volume and flow rates within the stormwater network. However, high concentrations of polycyclic aromatic hydrocarbons, phosphorus and lauryl alkyl benzene sulphonates in liquid waste from carwashes, and the impact of these pollutants on stormwater quality could not be neglected.

Item Type:Article
Additional Information:©IWA Publishing 2010. The definitive peer-reviewed and edited version of this article is available at www.iwapublishing.com
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
French research institutions > Institut National de la Recherche Agronomique - INRA
Other partners > Veolia Environnement (FRANCE)
Laboratory name:
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Deposited By: Claire VIALLE

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