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Influence of a Municipal Waste Landfill on the Spatial Distribution of Mercury in the Environment.


ABSTRACT: The study investigations were focused on assessing the influence of a 35-year-old municipal waste landfill on environmental mercury pollution. The total Hg content was determined in the soil profile, groundwater, and the plants (Solidago virgaurea and Poaceae sp.) in the landfill area. Environmental pollution near the landfill was relatively low. The topsoil layer, groundwater and the leaves of Solidago virgaurea and Poaceae sp. contained 19-271 ?g kg-1, 0.36-3.01 ?g l-1, 19-66 ?g kg-1 and 8-29 ?g kg-1 of Hg, respectively. The total Hg content in the soil decreased with the depth. The results are presented as pollution maps of the landfill area based on the total Hg content in the soil, groundwater and plants. Statistical analysis revealed the lack of correlation between the total Hg content in the soil and plants, but a relationship between the total concentration of Hg in groundwater and soil was shown. The landfill is not a direct source of pollution in the area. The type of land morphology did not influence the pollution level. Construction of bentonite cut-off wall bypassing MSW landfill reduces the risk of mercury release into ground-water environment.

SUBMITTER: Gworek B 

PROVIDER: S-EPMC4503673 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Influence of a Municipal Waste Landfill on the Spatial Distribution of Mercury in the Environment.

Gworek Barbara B   Dmuchowski Wojciech W   Gozdowski Dariusz D   Koda Eugeniusz E   Osiecka Renata R   Borzyszkowski Jan J  

PloS one 20150715 7


The study investigations were focused on assessing the influence of a 35-year-old municipal waste landfill on environmental mercury pollution. The total Hg content was determined in the soil profile, groundwater, and the plants (Solidago virgaurea and Poaceae sp.) in the landfill area. Environmental pollution near the landfill was relatively low. The topsoil layer, groundwater and the leaves of Solidago virgaurea and Poaceae sp. contained 19-271 μg kg-1, 0.36-3.01 μg l-1, 19-66 μg kg-1 and 8-29  ...[more]

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