Arsenic in Ground Water in Parts of Middle Ganga Plain in Bihar-An Appraisal

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INTRODUCTION

SPATIAL GROUNDWATER ARSENIC DISTRIBUTION

GEOLOGICAL FRAMEWORK

ARSENIC CONTAMINATION SCENARIO AND QUATERNARY MORPHO-STRATIGRAPHY

DEPTH DISTRIBUTION OF ARSENIC IN GROUNDWATER

HYDROCHEMISTRY OF ARSENIC CONTAMINATED GROUNDWATER

2+
2+
3-
3-
2-
+
2+
2+

HYDROGEOLOGY OF ARSENIC CONTAMINATED AREA

2
-4
-3

RECHARGE MECHANISM AND AGE OF GROUNDWATER IN DIFFERENT AQUIFERS

18
16
13
14
3
3
18
18
18
2
18
2
18
2

CONCLUSIONS

3-
2+
2+
3
3
3
2+
3-
3-
2

RECOMMENDATIONS

ACKNOWLEDGEMENT

REFERRENCES

- Central Ground Water Board, MER, Patna

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