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… number of people without access to safe drinking water and sanitation by the year 2015 (see … and about 313 million people lacking access to adequate sanitation (UN 2006). Given Africa’s predicted rate of … growth, it will be necessary to provide a water supply and sanitation to an additional 21 million people each year, on …

… and medical experts to develop strict human health, sanitation and waste removal standards for any field site …

… requirements for handling, housing, feeding, watering, sanitation, ventilation, shelter from extreme temperatures, …