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

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 parame...

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Bibliographic Details
Published inWater science and technology Vol. 62; no. 12; pp. 2737 - 2746
Main Authors Sablayrolles, C, Vialle, C, Vignoles, C, Montrejaud-Vignoles, M
Format Journal Article
LanguageEnglish
Published England IWA Publishing 01.01.2010
Subjects
Alkylbenzene sulfonate
Ammonium
Ammonium compounds
Aromatic compounds
Aromatic hydrocarbons
Benzene
Car washes
Chemical oxygen demand
Discharge
Environmental Monitoring - methods
Flow rates
France
Freshwater
Industrial Waste
Liquid wastes
Motor Vehicles
MTBE
Organic compounds
Outlets
PCB
Phosphorus
Pollutants
Pollution levels
Polychlorinated biphenyls
Polycyclic aromatic hydrocarbons
Rain
Stormwater
Stormwater quality
Sulphonates
Suspended particulate matter
Suspended solids
Turbidity
Volatile hydrocarbons
Waste Disposal, Fluid
Waste Management - methods
Wastewater
Water analysis
Water Movements
Water Pollutants, Chemical - chemistry
Water pollution
Water quality
Water sampling
France
France, Midi-Pyrenees, Toulouse
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Summary: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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2010.929