An overview of arsenic in groundwater: Tamil Nadu
An attempt has been made to estimate the presence of heavy metal Arsenic in groundwater in the state of Tamil Nadu recently. Now-a-days the heavy metal Arsenic poses a health risk problem throughout the world. Arsenic may be found in water which has flowed through arsenic-rich rocks. Severe health effects have been observed in populations drinking arsenic-rich water over long periods in countries world-wide.