Assessment of Metals Contamination in Soil from an Integrated Waste Transfer Station

IJEP 42(2): 171-179 : Vol. 42 Issue. 2 (February 2022)

Mochamad Arief Budihardjo*, Mochtar Hadiwidodo, Haryono Setiyo Huboyo and Bimastyaji Surya Ramadan

Universitas Diponegoro, Department of Environmental Engineering, Faculty of Engineering, Semarang – 50275, Indonesia


The concentration of some metals (Pb, Cu, Ni and Cr) in the soil samples underneath a municipal integrated solid waste transfer station site was investigated. The transfer station receives approximately 14 m3 of partially sorted domestic solid waste every day. The soil samples are collected from three locations surrounding the transfer station in various depths (2, 4, 6, 8 and 10 m). The obtained samples were destructed and analyzed to determine metals concentration. It is found that the concentration of Cu in the soil fluctuates from 0.22-3.99 mg/kg, the concentration of Cr is 115-119.2 mg/kg, the concentration of Ni is ranged from 0.73-3.55 mg/kg and the concentration of Pb is 2.85-3.59 mg/kg. Cr has the highest concentration among all of the metals in each sampling point. The concentration of metals decreases following the depth of the soil. In contrast, the metal of the same depth in every sampling point only has a relatively similar concentration. Hence, the depth of the soil does not significantly affect the concentration of metals. This phenomenon is probably due to the soil characteristics and permeability directly influences the concentration of metals in the soil.


metals, integrated waste transfer station, soil contamination, leachate


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