Title: Quantifying exfiltration from sewer systems with a novel tracer method 
Resource Type: document --> technical publication --> proceedings / conference paper(s) 
Country: EU Projects 
Year of publication: 2002 
Availability: Rieckermann J., Gujer W. Quantifying exfiltration from sewer systems with a novel tracer method, IWA 16th European Junior Scientist Workshop Proceedings, RTC and measurements in urban drainage networks - Milo, Italy, 7-10 November 2002, 11p. http://www.insa-lyon.fr/Laboratoires/URGC-HU/apuss/publications.html 
Author 1/Producer: Rieckermann J. 
Other Authors/Producers: Gujer W. 
Author / Producer Type: University research group / research institute 
Report / download web link (=direct link): http://www.insa-lyon.fr/Laboratoires/URGC-HU/apuss/publicati ...  
Format (e.g. PDF): PDF 
EUGRIS Keyword(s): Water and sanitation-->Water and sanitation Overview
Short description: In this paper, the authors present a novel approach to directly quantify exfiltration from sewer systems with the help of tracers. The loss of wastewater is computed with a mass balance for the reach under study. An experimental method was developed and tested, and an application study for validation purposes was analysed. It is shown that the use of sodium chloride as a tracer implies certain drawbacks that mainly originate from the varying natural background concentrations. Problems concerning the experimental procedure and the data analysis procedure are identified and discussed. As a proven method for the quantification of exfiltration should have a low measurement error, further development of the tracer method should concentrate on the assessment of the overall measurement uncertainty. 
Link to Project(s): APUSS Assessing infiltration and exfiltration on the performance of urban sewer systems
Submitted By: Dr Stefan Gödeke WhoDoesWhat?      Last update: 14/02/2006

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