An analysis of soil and plant (Taraxacum officinale) contamination with heavy metals and polycyclic aromatic hydrocarbons (PAHs) in the area of the railway junction Iawa Gowna, Poland

Malawska, M.; Wikomirski, B.

Water, Air, and Soil Pollution 127(1/4): 339-349


ISSN/ISBN: 0049-6979
DOI: 10.1023/a:1005236016074
Accession: 003356438

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Polycyclic aromatic hydrocarbon and heavy metal (Pb, Cd, Cu, Zn, Hg, Fe, Co, Cr, Mo) contents were established in soil and plant samples collected in different areas of the railway junction Ilawa Glowna, Poland. Soil and plant samples were collected in four functional parts of the junction, i.e. the loading ramp, platform area, rolling stock cleaning bay and the railway siding. It was found that the PAH contamination of soil and plants was the highest in the platform area and near the railway siding and lowest in the loading ramp and cleaning bay areas. The contamination exceeded control levels up to almost twenty fold. The heavy metal contamination pattern was different. The soil and plants were very highly contaminated in the cleaning bay and side track areas while the loading ramp and platform areas were less contaminated. A particularly high pollution level was observed for mercury in the cleaning bay area. Also lead, zinc and copper pollution levels were relatively high in the cleaning bay and side track areas. No significant increase in molybdenum content was observed in comparison with the control area.