• Dr. Ashok Kumar

Chronic exposure to groundwater containing elevated concentrations of geogenic contaminants such as arsenic (As) and uranium (U) can lead to detrimental health impacts. In this study, we have undertaken a groundwater survey of representative sites across all districts of the State if Bihar, in the Middle Gangetic Plain of north-eastern India. The aim is to characterize the inorganic major and trace element aqueous geochemistry in groundwater sources widely used for drinking in Bihar, with a particular focus on the spatical distribution and association geochemical controls on ground water as and (uranium) U. Concentrations of AS and U are highly heterogenous across Bihar. The improved understanding of the distribution and geochemical controls on As and U in Bihar has important implications on remediation priorities and selection, and may contribute to informing further monitoring and / or representative characterization efforts in Bihar and elsewhere in India. The cause of arsenic contamination are mostly through geogenic channel. The agricultural activity is being hampered due to decline in soil fertility, productivity, and, nuisance of food chain problem. Social problems like depression, suicidal tendency and social ignorance are common and therefore, hinder the social and economic activity to the affected person. The majority of the population residing in the arsenic prone belt is from low income and is not aware about the problems of the arsenic menace. The challenges are on the mitigation (at macro) and adaptation (micro and macro) activity. Therefore both short and long term mitigation strategy is needed.

Chronic exposure, Groundwater, Concentrations, Geogenic, productivity

"GROUNDWATER ARSENIC AND URANIUM CONTAMINATION IN BIHAR : CAUSES CONTROLS, ISSUES AND CHALLENGES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 1, page no.1817-1821, January-2019, Available :http://www.jetir.org/papers/JETIR1901D58.pdf

"GROUNDWATER ARSENIC AND URANIUM CONTAMINATION IN BIHAR : CAUSES CONTROLS, ISSUES AND CHALLENGES", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 1, page no. pp1817-1821, January-2019, Available at : http://www.jetir.org/papers/JETIR1901D58.pdf