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. 2021 Jan 19;193(2):71.
doi: 10.1007/s10661-021-08850-4.

Using advanced statistical tools to assess the impact of a small landfill site on the aquatic environment

Grzegorz Przydatek  1
Affiliations

Using advanced statistical tools to assess the impact of a small landfill site on the aquatic environment

Grzegorz Przydatek. Environ Monit Assess. .

Abstract

The aim of the study was to assess the impact of a small municipal landfill on the aquatic environment over 9 years, using advanced statistical tools. The results of the study of surface, ground- and leachate waters from 2008 to 2016 were subjected to detailed statistical analysis based on 15 physicochemical indicators. Factor analysis accounted for the requirements of the WHO, the European Union and the nation of Poland using 8 statistical analytical methods. The analysis of leachate contamination from the landfill site with the use of advanced statistical tools revealed its interaction with groundwater. The assessment was based on increased and statistically significant values and correlations of temperature, Zn and N-NO3 between leachate and groundwater, factors demonstrating the negative impact of the landfill. In the case of Zn, there was also a correlation between the tested waters below the landfill. The increased PAH values in the examined surface and ground waters were not a consequence of waste disposal. However, the deterioration of the chemical state of groundwater in the vicinity of the landfill could result from a certain dysfunction of the facility's infrastructure after operating for more than 20 years.

Keywords: Advanced statistical analysis; Impact; Landfill; Leachate; Municipal waste; Water.

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Figures

Fig. 1
Fig. 1
Location of reached points in the around of the municipal solid waste landfill site in XY (Southern Małopolska, Poland): points of groundwater sampling (P1a, P2, P3, P4, P5, P6) and surface water sampling (W1, W2), and direction of surface water flow is shown with bright blue arrows and groundwater of flow is shown with blue arrows
Fig. 2
Fig. 2
Level of groundwater in piezometers
Fig. 3
Fig. 3
Differences between piezometers
Fig. 4
Fig. 4
Significantly positively correlation (Zn) between groundwater and surface water below landfill site
Fig. 5
Fig. 5
Significantly positively correlation (Zn) between groundwater and leachate below landfill site
Fig. 6
Fig. 6
Dendrogram containing a grouping of leachate physicochemical indicators
See this image and copyright information in PMC

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