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The widespread occurrence of high inorganic arsenic in natural waters is attributed to human carcinogen and is identified as a major global public health issue. The scale of the problem in terms of population exposure (36 million) and geographical area coverage (173 × 103 Km2) to high arsenic contaminated groundwater (50–3200 μgL−1) compared to the National drinking water standard (50 μgL−1) and WHO...
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