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The U.S. Environmental Protection Agency's (USEPA) Threat Ensemble Vulnerability Assessment (TEVA) Research Program was established to develop software tools forconsequence assessment of contamination events in drinking water. Recently, additionaltools have been developed for designing and evaluating early warning systems, andpredicting the likely costs and benefits. This paper presents the capabilities of the TEVAComputational Framework for modeling realistic early warning systems for distributionsystems, and some of the results of recent studies. The goals of the TEVA Research Program are:to develop, optimize, and make available to water utilities a suite ofsoftware tools for drinking water distribution system security; and,to use the TEVA system to design, implement, and test a contaminationwarning system in a utility distribution system. Topics discussed include: the TEVA computational framework; contamination warning systems (CWS) architecture studies; routine sampling for contaminants; ideal sensors and chlorine sensors; and, water quality sensors, customer complaints, and public health surveillance asbroad spectrum sensors. Includes 20 references, figures.

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Edition: Vol. - No. Published: 04/10/2005 Number of Pages: 11File Size: 1 file , 340 KB