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The problem of arsenic contamination in Bangladesh is colossal in scale and the cause of arsenic problem is natural, geologic one. It is estimated that 29 million people in Bangladesh are exposed to arsenic contamination in excess of 0.05 mg/L.The research focuses on the application of Geographic Information System and Expert System, which can be an effective system for arsenic evaluation and mitigation measures. The GIS ArcView was used to create a map to identify the magnitude of contamination in terms of area and exposed population for the study area of Chapai Nawabganj. The Geographic...