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Terms & Synonyms

Official WHO Definition

With respect to the management of wastewater, excreta and greywater, it is organism removal efficiencies (WHO 2006)See also log-removal

Other Definitions


Interpretations and Explanations

A water treatment performance target, expressed as a percent reduction, is the most important management information in the risk assessment table and can also be expressed as a log-reduction value (WHO 2006).


WHO (2006) Guidelines for the safe use of wastewater, excreta and greywater


WHO Lexicon page (translations and examples)

See also

External Resources


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