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Paper Details

Atmospheric Deposition of Heavy Metals in Urban Environment (Indore)

Asutosh Kumar Pandey*

Journal Title:Journal of Chemical, Biological and physical sciences

The atmospheric deposition of seven heavy metals (Pb, Cd, Cr, Ni, Zn, Mn, and Cu,) at Indore. Based on the traffic density and preliminary air quality data, the city was categorized into four different zones namely, heavy traffic zone (Zone I), commercial zone (Zone II), residential zone (Zone III) and suburban zone (Zone IV). Three sampling stations were selected in each zone. Zone I include Bhawarkua Road, A.B road and Siaganj railway station area. Zone II is characterized by the city centre including Rajwada, Jawaher Marg and Sapna Sangeeta Road. R.N.T. Marg, Subhash Marg and M.G. Road areas have been included in Zone III and Ranjeet Hanuman Road, Bijasen Road and Devi Ahilya Vishwavidyalaya Campus represent Zone IV. Particulate samples were collected from all the 12 urban and suburban locations of Indore using deposition collectors and metal concentrations were determined using atomic absorption spectrophotometer. On the basis of heavy metals deposition rates, different zones considered in this study can be ranked in decreasing order as heavy traffic zone> commercial zone> residential zone> sub urban areas. Distributions of air borne heavy metals were correlated with meteorological variables such as temperature, relative humidity and wind velocity.