1=Maner, 2=Bihta, 3=Bikram, 4=Dulhin Bazaar, 5=Paliganj, 6=Danapur, 7=Naubatpur, 8=Punpun, 9=Musarhi, 10=Phulwarisharif, 11=Sampatchak, 12=Dhanarua, 13=Patna sadar, 14=Fatwah, 15=Daniyawan, 16= Khusrupur, 17= Bakhtiarpur, 18=Athamalgola, 19=Barh, 20=Belchhi, 21=Pandarak, 22=Mokama, 23=Ghoswari
Figure 2: Arsenic contamination in drinking water of different blocks of Patna, India.