Changes

Tertiary Filtration and Disinfection

No change in size, 00:31, 30 October 2014
References
===References===
* NWRI (2012). Ultraviolet Disinfection. Guidelines for Drinking Water and Water Reuse. 3rd Ed. National Water Research Institute and Water Research Foundation, Fountain Valley, CA, US.
* :Available at: [http://www.nwri-usa.org nwri-usa.org]
* Robbins, D. M. and Ligon, G.C. (2014). How to Design Wastewater Systems for Local Conditions in Developing Countries. IWA Publishing, London, UK.
* SSWM Toolbox.
{[http://www.sswm.info/category/implementation-tools/waterpurification sswm.info/category/implementation-tools/waterpurification]
(last accessed February 2014)
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