INTRODUCTION
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HYDROGEOLOGICAL ENVIRONMENT
OCCURRENCE AND DISTRIBUTION OF ARSENIC IN GROUND WATER:
Permissible Limit
MOBILIZATION OF ARSENIC
Reductive dissolution of iron oxihydraoxide (FeOOH) and release of sorbed arsenic to ground water ( Bhattacharya et al 1997, Nickson 1998,2000,2005 )
Oxidation of Arsenical Pyrite ( Acharya et al 1997 )
Anion (Competitive ) Exchange of sorbed arsenic with Phosphate from fertilizer :( Acharya et al 1997)
REMEDIAL MEASURES
Acknowledgement
References
- Central Ground Water Board, NR, Lucknow