Assessing the risk associated with the presence of emerging organic contaminants in sludge-amended soil: A country-level analysis

The Science of the Total Environment
Vasiliki S ThomaidiNikolaos S Thomaidis

Abstract

Greece was used as case study and the environmental risk associated with the existence of 99 emerging organic contaminants (EOCs) in sludge-amended soil was estimated using risk quotient (RQ) approach. Data on the concentration levels of EOCs in sewage sludge was collected after literature review. Chemical analyses were also conducted for 50 pharmaceuticals and illicit drugs in sludge samples from Athens Sewage Treatment Plant. Risk assessment was based on both terrestrial and aquatic acute toxicity data, using both the maximum and the average measured concentrations of the target compounds. EC50/LC50 values were collected through literature review or using the ECOSAR program in cases that experimental values were not available. Triclosan seems to pose an environmental risk on the soil environment, as its RQ values exceeded 1, both in terrestrial and aquatic toxicity data based risk assessment. Calculations based on aquatic toxicity data showed that another eleven compounds had RQs higher than 1, most of them belonging to the classes of synthetic phenolic compounds and siloxanes. Tetradecamethylhexasiloxane presented the highest RQ, while high RQs were also calculated for decamethylcyclopentasiloxane and caffeine. No environmen...Continue Reading

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Citations

Jul 28, 2016·The Science of the Total Environment·Yanchao BaiKe Feng
Jan 6, 2018·Environmental Science and Pollution Research International·Lei JiangYong Lin
Jul 28, 2018·Environmental Geochemistry and Health·Tuan Fauzan Tuan OmarShuhaimi Mustafa
Jul 13, 2018·International Journal of Environmental Research and Public Health·Yumeng YangJorge Paz-Ferreiro
Oct 13, 2018·The Science of the Total Environment·Bruce PetrieBarbara Kasprzyk-Hordern
Jan 16, 2021·Analytical Methods : Advancing Methods and Applications·Francesco RivaSara Castiglioni
Jun 20, 2018·The Science of the Total Environment·Venkata L Reddy PullaguralaJorge L Gardea-Torresdey

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