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Title: Experimental Investigations of Heavy Metals Concentrations in the Ground of Section Kazlu Ruda – Jure
Authors: Paliulis, Dainius
Ūselytė, Ingrida
Couch, William J.
Keywords: railway
ground pollution
heavy metals
Issue Date: 2008
Publisher: Vilniaus Gedimino technikos universitetas
Citation: Paliulis, D.; Ūselytė, I.; Couch, W. J. 2008. Experimental investigations of heavy metals concentrations in the ground of section Kazlu Ruda – Jure, in The 7th International Conference “Environmental engineering”: Selected papers, Vol. 1. Ed. by D. Čygas, K. D. Froehner, May 22–23, 2008 Vilnius, Lithuania. Vilnius: Technika, 267–273.
Abstract: The extent of exploited railways in Lithuania makes 1905 km. Railway section Kazlų Rūda – Jūrė was selected for ground pollution with heavy metals investigations due big intensity of train transport in this section: about 40 trains pass this section per day. The distance of this section is about 5 km. Sampling places were in the similar ground level as railway bed. That is why relief’s influence to pollutants dispersion in many ground sampling places was very small and was not evaluated. Several authors calculated that zone of maximum pollutants fall out intensivity can reach till the Sanitary Protection Zone (SAZ) of railway – 100 meters. Different distance from railway bed was selected (10, 50, 100, and 200 m) for research. Sampling was carried out in both sides of railway ground. Concentrations of heavy metals: nickel (Ni) and zinc (Zn) were determinated with help of atomic absorption spectrophotometric method with acetylene-air flame and with graphite furnace. The results of research showed that concentrations of Zn and Ni did not exceed permissible concentrations common for Marijampolė region ground in distance of SAZ and further except first point (100 m) for zinc.
ISBN: 978-9955-28-263-1
Appears in Collections:Konferencijų straipsniai

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