摘要：The chemistry of subsurface water bodies is difficult to understand unless precipitation chemistry and atmospheric processes are taken into consideration. Limited pioneer work has been carried out on considering precipitation chemistry.Polluted zone delineation is very much significant before the planning for any of the remedial measures.The dual contamination is a common problem noticed in

关键词：precipitation chemistry fluorine contamination correction 

单位：National Geophysical Research Institute(CSIR) BRGM 3 Avenue Claude Guillemin IFCGR National Geophysical Research Institute(CSIR)