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These three case studies illustrate a range of surface disposal activities being conducted throughout the United States. Activities covered include surface disposal of sewage sludge in a monofill, at a dedicated disposal site, and at a dedicated beneficial use site, in addition to sludge storage in lagoons prior to final disposal.
U.S. EPA (1995): Chapter 15. Case Studies. Entradas: U.S. EPA (1995): Surface Disposal of Sewage Sludge and Domestic septage. Process Design Manual. Washington: 251-265. URL [Visita: 24.08.2010]This WSPortal developed by WHO provides key stages and components of WSP with relevant case studies and tools.
This WSPortal developed by WHO and IWA aims to contribute to improving and maintaining the safety of drinking water supplies through the effective implementation of WSPs. It contains collection of case studies, references and tools, which provide practical guidance and evidence-based material of relevance that can be applied appropriately for a range of circumstances.
Wikipedia article on DNA.
Wikipedia article on potassium.
Wikipedia article on PAOs.

This manual is made for resource agencies engaged in training potential master trainers to facilitate and scale up community-driven total sanitation. This document facilitates the understanding of key concepts of community-driven total sanitation.
WSP (2007): Training of Trainers’ Manual on Community-driven Total Sanitation. Module 1: Guidance Note. Washington, DC: Water and Sanitation Program URL [Visita: 20.08.2010]This guide describes the CHAST approach and explains how to implement this approach.
BOCKHORN-VONDERBANK, M. (2004): Children’s Hygiene and Sanitation Training: A Practical Guide. Caritas Luxembourg / Caritas Switzerland (SwissGroup): Caritas. [Accessed: 20.08.2010] PDFA web portal giving an excellent introduction to composting toilets and latrine technology in developing countries. A brief introduction followed by the best links and sources available to put you on the road to ecological sanitation.
This short abstract highlights the need for recycling phosphorous as a very valuable resource and provides information on the pilot plant of ASH DEC Umwelt AG settled in Austria (in German).
NEW BUSINESS (2008): Wirklich "intelligente" Phosphate. Entradas: New Business, Mai 2008: , 13. PDFWikipedia article on field capacity.
This presentation gives a brief overview on the ASH DEC technology and processes and the first ASH DEC pilot plant.
ASH DEC (2008): Industrial Process and Pilot Plant. PDF Presentation. Vienna: ASH DEC Umwelt AG. [Accessed: 18.08.2010] PDFGerman provider of pre-fabricated composting toilets.
Homepage of a the Sustainable and Safe Re-use of Municipal Sewage Sludge for Nutrient Recovery – SUSAN Project, a Specific Targeted Research Project (STREP) within the 6th framework of the European Union.

The presented stakeholder analysis provides the necessary information to develop strategies for the successful implementation of ecological sanitation approaches in Sri Lanka.
WINDBERG (2009): Strategy Development for Successful Implementation of Ecological Sanitation Approaches in Sri Lanka using Stakeholder Analysis. Report 3 of 3 from "Evaluation of the Appropriateness of Ecological Sanitation in Relation to the Social, Cultural and Economic. Paris: UNICEF URL [Visita: 18.08.2010]The web page of BMBF/BMU initiative for circular economy for plant nutrients (especially phosphorous) provides additional information on ASH DEC projects. Further publications and up to date information are presented (in German).

This technical note describes five methods of estimating sewage or washwater flows: on-site measurement, on-site estimating, water metering estimates, community water use data and survey estimating.
USAID (1982): Estimating Sewage or Washwater Flows. (= Water for the World Technical Note No. SAN.2.P.2. ). Washington: United States Agency for International Development URL [Visita: 17.08.2010]