Levels of Organic Pollution Indicators in Groundwater at the Old Landfill and Waste Management Site
AbstractThe aim of this paper was to assess groundwater quality in a landfill and waste management site, with special regard to levels of organic pollution indicators: chemical oxygen demand (COD), biochemical oxygen demand (BOD), and total organic carbon (TOC). Analysis of specific indicators was conducted for piezometers located in the area of the Radiowo landfill, the composting plant and the facilities adjacent to the landfill. The article discusses the temporal and spatial changes of selected organic pollution indicators. Based on the results of groundwater monitoring, several maps of COD, BOD and TOC areal distribution were provided. Statistical distribution of monitoring data was presented using box-and-whisker plots. Pearson’s correlation coefficients between selected pollution indicators were measured with a significance level set at p < 0.01 and p < 0.05. The strongest correlation was observed between BOD and COD. The maximum BOD/COD ratio was observed at the level of 1.561 before the closure of the vertical barrier, whereas, at present, average values of this ratio are below 0.18. The results indicate significant improvement of groundwater quality in the landfill site after the closure of the vertical barrier. In particular, this refers to BOD values, which decreased even 160 times in the 1998–2016 monitoring period. View Full-Text
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Koda, E.; Miszkowska, A.; Sieczka, A. Levels of Organic Pollution Indicators in Groundwater at the Old Landfill and Waste Management Site. Appl. Sci. 2017, 7, 638.
Koda E, Miszkowska A, Sieczka A. Levels of Organic Pollution Indicators in Groundwater at the Old Landfill and Waste Management Site. Applied Sciences. 2017; 7(6):638.Chicago/Turabian Style
Koda, Eugeniusz; Miszkowska, Anna; Sieczka, Anna. 2017. "Levels of Organic Pollution Indicators in Groundwater at the Old Landfill and Waste Management Site." Appl. Sci. 7, no. 6: 638.
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