Comparison of Fluoride Levels in Drinking Water in South AfricaA.J. LOUW
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Clean drinking water for homes in Africa and other less developed countries. BMJ 2005 ; 331 : 468 – 9 . (3 September.)Tumwine JK. Clean drinking water for homes in Africa and other less developed countries. BMJ. 2005; 331: 468-469....
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They evaluated the concentration of heavy metals in water using an inductively coupled plasma mass spectrometry. The results obtained showed that the heavy metal concentrations were higher than the limits of the South Africa Target Water Quality (SATWQ) range and the WHO limits. (Keramati et al....
Since 1993, each year on 22 March, the United Nations celebrates World Water Day, a day when the focus is on more than 2 billion people without safe access to clean drinking water. GF's commitment to providing clean water spans already 20 years. Through its Clean Water Foundation, GF h...
Across the world, 1.1 billion people have no access to clean drinking water. More than 2.6 billion people lack basic sanitation(卫生设备).The combination 1 (prove) deadly. Each year, diseases related to inadequate water and sanitation kill between 2 and 5 million people and cause an estimated...
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