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Household water treatment (HWTS) methods, such as boiling or chlorination, have long been recommended in emergencies.
The devastating earthquake of 2005 severely damaged over 4000 water and sanitation schemes in northern Pakistan.
The supply of adequate amounts of safe water for drinking and hygiene during natural disasters or armed conflict can be compromised
The Treguine refugee camp in Eastern Chad, is in a semi-arid terrain of hard, crystalline rock, where hard-rock boreholes proved ina