Status of Arsenic Toxicity in Ground Water in West Bengal, India: A Review
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چکیده
Submit Manuscript | http://medcraveonline.com purposes [1]. A large area of the world experiences a huge contamination in groundwater due to mixing of different toxic and minerals and heavy metals either naturally or unorganized development of human civilization [2,3]. The Arsenic is one of the most important and fatal among these minerals. The high concentrations of arsenic (As) in drinking water in inorganic form causing skin, liver, lungs and other organs damages in several parts of the world [4]. There are more than 25% of domestic wells presented in alluvial aquifers of this state carry arsenic in drinking water beyond the permissible limit of WHO, 1993, 2017 (0.01 mg/L) [5,6]. West Bengal lies within the Ganga–Brahmaputra delta basin has high contamination of arsenic (<0.05mg/ml) mainly in groundwater [7]. West Bengal can be divided into three arsenic prone zones [8] i.e. highly affected areas cover eastern side of Bhagirathi River; mildly affected areas include northern part of the Bhagirathi river and the unaffected region carries western part of the state. This study reveals the condition of arsenic toxicity and stratigraphic and litho logical condition in West Bengal, a state of India and the fatal effect on human health due to arsenic toxicity.
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