S. G. PatilBHANU, PRAKASH, U. H.2019-05-292019-05-292007-10-05TH8938http://krishikosh.egranth.ac.in/handle/1/5810105449Bangalore, one of the fastest growing cities in India produces nearly 800 million liters of urban sewage daily. Sewage in peri urban Bangalore drains in two phases Chalaghatta - Varthur valley (East phase) and Vrishabavathi - Byramangala valley (West phase). The sewage is used for growing vegetables fruits and other crops by the peri urban fanners. The range of heavy metal content of sewage sampled at various locations during rainy season were Cd 0.01 to 0.03, Cr 0.03 to 0.04, Pb 0.06 to 0.12, Ni 0.06 to 0.11 mg 1 and in summer the ranges were As 0.71 to 0.99, Cd 0.03 to 0.16, Cr 0.12 to 0.15, Pb 0.29 to 0.39, Ni 0.16 to 0.23 mg f' respectively. The average content of As, Pb, Cd, Cr, Ni, Cu, Fe, Mn and Zn in edible parts of vegetables were 65.1, 27.8, 2.2, 51.6, 30.7, 60.2, 688.2 and 132.0 mg kg' dry weight in samples of east phase. The vegetables, fruits and other crops grown in peri urban Bangalore using sewage recorded very high levels of metals and are not suitable for human consumption.ennullThesis