Volume 3 of the Guidelines informs readers on the assessment of microbial hazards and toxic chemicals and the management of the associated risks when using wastewater and excreta in aquaculture. It explains requirements to promote safe use practices, including minimum procedures and specific healthbased targets. It puts trade-offs between potential risks and nutritional benefits in a wider development context. Special
reference is made to food-borne trematodes.
WHO (2006). WHO Guidelines for the Safe Use of Wastewater, Excreta and Greywater (Volume III: Wastewater and Excreta Use in Aquaculture) World Health Organization (WHO), Geneva, Switzerland and UNEP
Food security and productive sanitation (WG5)Greywater or wastewaterGuidelines and manualsEnglish