Bangladesh is one of the worst arsenic affected countries in the world. In an analysis of tropical ground water in Laxmipur in greater Noakhali, arsenic contamination varied from 30 mg/L to over 72 mg/L. The lowest arsenic content was 30.5 mg/L which, was more than 60 times the Bangladesh permissible limit. According to WHO, in Bangladesh 25 million people are exposed to high arsenic concentration (>50 μg/L) in drinking water. Directorate General of Health Services (2010) identified 38,320 patients. Screening all the drinking water points of ground water sources for arsenic contamination, ensuring arsenic safe drinking water for affected population and management of arsenicosis patients are serious public health challenges for the government of Bangladesh.
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