Acknowledgements

This tutorial is one of the outputs of the NETSSAF Coordination Action – a project funded by the European Commission, as part of its Sixth Framework Programme (FP6). The research has been undertaken by a consortium of nineteen partners including ttz Bremerhaven (ttz); Germany, Technische Universität Hamburg-Harburg (TUHH); Germany, Centre Régional pour l'approvisionnement en eau potable et l'assainissement à faible coût (CREPA); Burkina Faso, BioAzul (BioAzul); Spain, Ouest-Afraicain d´Appui Organisationnel et de Technologies Appropriées (BOATA); Mali, International Ecological Engineering Society (IEES); Switzerland, International Water Association (IWA); United Kingdom, Université Abobo-Adjamé (UAA); Côte d’Ivoire, Sveriges Lantbruksuniversitet (SLU); Sweden, Commune de Matam (MTM); Sénégal, Swiss Federal Institute of Aquatic Science and Technology (EAWAG); Switzerland, Commune de Bobo-Dioulasso (Ville de SYA); Burkina Faso, EcoSan Club Austria (ESCA); Austria, Kwame Nkrumah University of Science and Technology (KNUST); Ghana, Leeds University (Uleeds); United Kingdom, Université de Ouagadougou- Centre d’Etudes pour la Promotion l’Aménagement et la Protection de l’Environnement (CEPAPE); Burkina Faso, Stockholm Environment Institute (SEI); Sweden, Deutsche Gesellschaft für Technische Zusammenarbeit GmbH (GTZ); Germany and Tampere University of Technology (TUT); Finland.

The work that lies behind the production of this tutorial is the joint effort of several persons, who are too many to acknowledge individually, but we will make mention of the following persons for their exceptional input: Leonellha Barreto Dillon (ttz), Eyitayo Onadipe (ttz), Luis Roberti Pérez (ttz), Víctor Rojas Muñoz (ttz), Christopher Buzie (TUHH), Dr. Siméon Kenfack (CREPA), Waltraud Keipp (BOATA), Moussa Drabo (BOATA), Dr. Johannes Heeb (IEES), Martin Wafler (IEES), Dr. Darren Saywell (IWA), Dr. Gustave Aboua (UAA),  Dr. Håkan Jönsson (SLU), Dr. Cecilia Sundberg (SLU), Annika Nordin (SLU), Christian Zurbrügg (EAWAG), Elizabeth Tilley (EAWAG), Théophile Mbakop (Ville de Sya),  Stefan Jung (ESCA), Elke Müllegger (ESCA), Dr. Kwasi Obiri Danso (KNUST), Dr. Arno Rosemarin (SEI), Dr. Elisabeth Kvarnström (SEI), Jennifer McConville (SEI), Dr. Abdoulaye Fall (GTZ) and Dr. Pekka Pietilä (TUT). We thank them for their dedicated work.

All the illustrations were created by Yoryelin Roa D. (arq.yroa@gmail.com).
Design and layout by melting elements gmbh – agency for digital communication.