Factors affecting arsenic concentration in groundwater in West Bengal |
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Authors: | N Madhavan V Subramanian |
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Institution: | (1) School of Environmenal Sciences, Jawaharlal Nehru University, New Delhi, 110067, India |
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Abstract: | Groundwater is the major source of drinking water for the population in Malda district, West Bengal. Holocene sediments from Himalayas have contaminated those places through the river Ganges and arsenic was found a potential groundwater contaminant. Field and laboratory experiments were attempted to identify the relationship between arsenic versus Eh of groundwater and content specific elements (As, Co, Mn, Fe, C and S) in different types of Holocene sediments on a freshly constructed wells. Arsenic versus Eh of groundwater and Holocene clay over Holocene sand were found performing a major role in the aquifers of arsenic affected areas. |
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