The ultimate goal of the project will be to catalyze the commercialization of novel, superior decentralized systems aimed at radically improving sanitation for the poor, particularly in urban areas. The creation of viable and scalable businesses is seen as the route most likely to create large and sustained impact. The role of the project is to provide sound scientific, technical and market evidence to support the achievement of this goal. To gear project toward the ultimate goal, the following specific objectives are set