Polybrominated diphenyl ethers (PBDEs) and 2,2',4,4',5,5'-hexabromobiphenyl (BB-153) in landfill leachate in Cape Town, South Africa.

Environmental Monitoring and Assessment
Adegbenro P DasoOlanrewaju O Olujimi

Abstract

An assessment of the concentrations of selected polybrominated diphenyl ether (PBDE) congeners as well as BB 153 in leachate samples collected from three landfill sites within the city of Cape Town was conducted. A liquid-liquid extraction technique was employed for the isolation of all the target compounds from the leachate samples. Extracts obtained were further subjected to multi-layer column chromatography employing different forms of silica gel. The prepared samples were analysed using a high capillary gas chromatograph equipped with a micro-electron capture detector (GC-μECD). The overall mean concentrations of the total PBDEs, including BDE 209 ranged between 5.65 and 2,240, 0.28-20.5 and 1.66-1,170 ng/l for Bellville, Coastal Park, and Vissershok landfill sites, respectively. The mean concentrations of BB 153, which were generally low in most of the samples analysed, were 70.4, 7.14 and 8.16 ng/l for Bellville, Coastal Park and Vissershok sites, respectively. The influence of precipitation on the characteristics and quantity of leachate produced from the landfill sites investigated was most pronounced during the August/September sampling regime. Generally, the trend observed in this study clearly indicated a wide variat...Continue Reading

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Citations

Dec 19, 2012·Environmental Science and Pollution Research International·Charita S KwanEvangeline C Santiago
Jun 4, 2013·Environmental Science and Pollution Research International·Yong RanEddy Y Zeng
Oct 11, 2015·Environment International·Susan A MackintoshDiana S Aga
Aug 6, 2016·Environmental Science and Pollution Research International·Godwin O OlutonaOlalekan S Fatoki
Feb 20, 2019·Environmental Monitoring and Assessment·Zhuxiu QianJianqiang Sun
May 17, 2021·Ecotoxicology and Environmental Safety·Chijioke OlisahGletwyn Rubidge

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