Arsenic in Groundwaters and River Sediments of West Bengal,India:A Geochemical and Spectroscopic Stu

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The problem of arsenic(As)poisoning in the upper deltaic plains of the Ganges-Bhagirathi river system of West Bengal(WB),India,is terrifying. Elevated As(>50 ppb)in well water was observed within a depth range of 10-30 m in older grey terraces of aband
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