== Acknowledgements ==
* The sanitation system approach used in this portal was developed by [http://www.waste.nl WASTE]. Currently, WASTE is working on a Sanitation Decision Support tool, which will be integrated in this portal.
* Much of the material in this section comes from the book [http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_high.pdf Compendium of Sanitation Systems and Technologies], Elizabeth Tilley et.al (2008). ([http://www.eawag.ch/organisation/abteilungen/sandec/publikationen/publications_sesp/downloads_sesp/compendium_low.pdf low res version]). Department of Water and Sanitation in Development Countries ([http://www.sandec.ch/ Sandec]) at the Swiss Federal Institute of Aquatic Science and Technology (Eawag).
* [http://www.irc.nl/page/28448 Smart Sanitation Solutions] produced in collaboration with [http://www.nwp.nl Netherlands Water Partnership], [http://www.waste.nl WASTE], [http://www.practicafoundation.nl/ PRACTICA], [http://www.irc.nl IRC International Water and Sanitation Centre], SIMAWI and [http://www.partnersforwater.nl/ Partners voor Water]