Wastewater treatment plants (WWTPs) as a source of sediment contamination by toxic organic pollutants and fecal sterols in a semi-enclosed bay in Korea

Chemosphere
Hyo-Bang MoonMinkyu Choi

Abstract

Toxic organic contaminants and a macrobenthic community were assayed in sediments collected near a wastewater treatment plant (WWTP) outfall to assess the impact of WWTP discharges on an aquatic environment. Average concentrations of toxic organic contaminants in sediments from 20 locations were 96.7ng TEQ/kg dry matter for PCDD/Fs, 1.84ng TEQ/kg dry matter for dioxin-like PCBs, 29.1microg/kg dry matter for PBDEs, 411microg/kg dry matter for nonylphenols, 1021microg/kg dry matter for fecal sterols, and 928microg/kg dry matter for PAHs. Concentrations of all the organic contaminants and fecal sterols varied widely and there was a clear decrease in concentration gradients with increasing distances from the WWTP outfall. This result suggests that WWTP activities contribute to contamination by organic chemicals. A survey of benthic organisms showed the dominance of a few polychaete species, indicating a deterioration of the macrobenthic community by the WWTP discharge. Non-parametric multidimensional scaling (MDS) ordination and Spearman correlation analyses showed that organic contamination is associated with the benthic community structure. For polychaete species, the sensitive species for organic contaminants was Paraprionospio ...Continue Reading

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Citations

Mar 2, 2011·Journal of Environmental Monitoring : JEM·Hyo-Bang MoonKurunthachalam Kannan
Jan 24, 2016·Environmental Monitoring and Assessment·J A de-la-Ossa-CarreteroJ L Sánchez-Lizaso
Apr 6, 2012·Journal of Hazardous Materials·Davor DolarDamià Barceló
Oct 25, 2011·Ecotoxicology and Environmental Safety·Yi-Xiang FangShan Liu
Dec 3, 2010·Chemosphere·Adrián de la TorreMaría Ángeles Martínez
Sep 2, 2009·Mass Spectrometry Reviews·Dongli Wang, Qing X Li
Aug 27, 2013·The Science of the Total Environment·Jong Seong Khim, Seongjin Hong
May 27, 2014·The Science of the Total Environment·Germana P PessoaAndré B dos Santos
Sep 18, 2012·Marine Pollution Bulletin·Hyo-Bang MoonKurunthachalam Kannan
Jun 6, 2016·Ecotoxicology and Environmental Safety·Diana MaierRita Triebskorn
Aug 24, 2019·Environmental Science and Pollution Research International·Margaret William ThomesChui Wei Bong
Aug 2, 2019·Environmental Monitoring and Assessment·M M Abd El-RahmanY M Nabil
Aug 7, 2020·Environmental Science and Pollution Research International·Jing-O ChengFung-Chi Ko
Aug 22, 2020·The Science of the Total Environment·Subha SasiUsha K Aravind

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