A soil geochemical survey of the city of Sisak, Croatia, and its surroundings was done to determine the concentration, spatial distribution and sources of the elements in the soil. Factor analysis indicates 8 factors describe the geochemical variations in the topsoil: 4 anthropogenic, 2 geogenic and 2 mixed ones. The main influence in the urban and rural soils was parent material and anthropogenic inputs in the old part of the city, along roads and railways, and in the industrial areas. The results indicate that soils are a very good media for accumulating trace elements in urban and industrial areas.

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