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Volume 6, 2011 - Number 1
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THE DISTRIBUTION OF HEAVY METALS AND As IN SOILS OF THE FĂLTICENI MUNICIPALITY AND ITS SURROUNDINGS
Ionuţ Mihai PRUNDEANU & Nicolae BUZGAR
“Al. I. Cuza” University of Iaşi, 11 Carol I Blvd., 700506, Iaşi, Romania, e-mail:prundeanu.ionut@geology.uaic.ro, nicolae.buzgar@uaic.ro THE DISTRIBUTION OF HEAVY METALS AND As IN SOILS OF THE FĂLTICENI MUNICIPALITY AND ITS SURROUNDINGS Full text
Abstract:
The study of heavy metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Zn) and As found in the topsoil (0-25 cm) of the Falticeni municipality and some of its surroundings has generally indicated the presence of contents belonging to the geochemical natural background, with some interferences associated with urban soils and areas covered with orchards or other crops, onto which fertilizers and pesticides are applied intensively. The highest values for Co do not exceed the maximum accepted threshold (MAT) in Romania. For Cd and Cr, there are, in small areas, contents over the MAT in Romanian soils. Some of the concentrations obtained for As, Cu, Ni and Zn exceed the alert threshold, but they are still far below the intervention threshold for sensitive terrains. Pb is the only heavy metal whose maximum content is higher than the intervention threshold for a sensitive terrain; however, only one sample out of the 63 analyzed is over this threshold. It is certainly the case of a punctual contamination with Pb. Along with analyses of the elements, we have determined the pH of the soil samples. |
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