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The Sawyer PointOne household hollow fiber membrane filter (PointOne) efficaciously removes microbiological indicators in the labora
Fragility has become the reality in several countries of the Middle East and North Africa.
This briefing paper presents a case study of a Peepoo implementation in first phase humanitarian response.
In July 2007, a study by the Centre for Environmental Health Engineering, at the University of Surrey, assessed a modified method of
There is currently limited public information available concerning methods for the selection of appropriate water trea