Comprehensive Study of Endocrine Disrupting Compounds Using Grab and Passive Sampling at Selected Wastewater Treatment Plants in South East Queensland, Australia

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Title Comprehensive Study of Endocrine Disrupting Compounds Using Grab and Passive Sampling at Selected Wastewater Treatment Plants in South East Queensland, Australia
Author Tan, Benjamin Lee Leng; Hawker, Darryl William; Muller, Jochen F.; Leusch, Frederic; Tremblay, Louis A.; Chapman, Heather Faye
Journal Name Environment International
Year Published 2007
Place of publication Oxford, United Kingdom
Publisher Elsevier Ltd.
Abstract Chemical (gas chromatography–mass spectrometry, GC–MS) and biological (E-Screen assay) analyses were used to determine the concentrations of 15 endocrine disrupting compounds (EDCs) and estrogen equivalent (EEq) in grab and passive samples from five municipal wastewater treatment plants (WWTPs) in South East Queensland, Australia. EEq concentrations derived by E-Screen assays for the grab samples were between 108–356 ng/L for the influents and < 1–14.8 ng/L for the effluents with the exception of one effluent sample which was at 67.8 ng/L EEq. The EDC concentrations and EEq values for the passive samples were several times lower than those of the grab samples: a decrease probably caused by, but not limited to biofouling, low flow rate, biodegradation and temperature which can progressively reduce the uptake of compounds into the sampler. At this stage, grab sampling is the most reliable method for field monitoring; nevertheless, passive sampler is a useful sampling tool but the method requires more research to ensure that the information obtained can be interpreted appropriately. Although alkylphenols and phthalates were detected at higher concentrations in the wastewater samples as compared to natural hormones, the environmental risk may be negligible as their estrogenic potencies are several orders of magnitude lower than that of the natural estrogens. In most wastewater samples, the natural estrogens contributed to 60% or more of the EEq value. Removal efficacy of most estrogenic and xenoestrogenic compounds from the conventional activated sludge or biological nutrient removal (BNR) WWTPs monitored in this study was in the range of 80–> 99%. The efficiency of the WWTPs in removing estrogenic activity was > 95%. The EEqs of the E-Screen and those calculated from the results of extensive chemical analyses using the estradiol equivalency factors were comparable for most of the WWTPs samples.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.envint.2007.01.008
Volume 33
Issue Number 5
Page from 654
Page to 669
ISSN 0160-4120
Date Accessioned 2008-02-06
Date Available 2015-05-12T05:11:45Z
Language en_US
Research Centre Australian Rivers Institute; Griffith Centre for Coastal Management
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Environmental Chemistry (incl. Atmospheric Chemistry)
URI http://hdl.handle.net/10072/17688
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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