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Water chlorination is widely used in emergency responses to reduce diarrheal diseases, although communities with no prior exposure t
The devastating earthquake of 2005 severely damaged over 4000 water and sanitation schemes in northern Pakistan.
Following the Asian tsunami of 26 December 2004, the vital domestic fresh-water wells in the coastal zone were either scoured out of
Batch water treatment consists of the intermittent use of settling tanks for water clarification, and is a common treatment practice