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The World Health Organization (WHO) estimates that improving water, sanitation and hygiene could prevent at least 9.1% of the global
The bacteriological quality of drinking-water supply of five major urban centres affected by the October 2005 earthquake in Pakistan
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