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Biosand water filter - PowerPoint PPT Presentation

Water and Sanitation Needs and Appropriate Technologies

Water and Sanitation Needs and Appropriate Technologies. Page Weil, Water Sanitation, 265. Philippine Water Problems. 280 billion cubic meters of runoff annually (about 8500 liters/person/day), DSWD Only 81% of Filipinos have access to improved drinking water sources PEF, 2002

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Biosand water filter - PowerPoint PPT Presentation

Water and Sanitation Needs and Appropriate Technologies