A survey of endocrine disrupting chemicals (EDCs) in municipal sewage and animal waste effluents in the Waikato region of New Zealand

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Title A survey of endocrine disrupting chemicals (EDCs) in municipal sewage and animal waste effluents in the Waikato region of New Zealand
Author Sarmah, A.K.; Northcott, G.L.; Leusch, Frederic; Tremblay, L.A.
Journal Name Science of the Total Environment
Year Published 2006
Place of publication Netherlands
Publisher Elsevier BV
Abstract We report the results of a recent survey of the concentration of natural estrogens (17β-estradiol, 17α-estradiol, estrone, estriol) and the synthetic estrogen, 17α-ethynylestradiol in representative animal wastes and sewage treatment plant (STP) effluents in the Waikato region of New Zealand. Dairy farm effluent samples showed high levels of estradiol (19–1360 ng/L) and its breakdown product estrone (41–3123 ng/L) compared with piggery or goat farm effluents. The combined load for these estrogens (excluding β epimer) varied from 60 to > 4000 ng/L. The piggery effluent provided the lowest total estrogen load (46 ng/L), with estrone accounting for nearly 60% of the measured estrogens in this sample. The synthetic analogue, 17α-ethynylestradiol was detected only in one wastewater treatment plant sample, albeit at trace level. An estrogen receptor competitive binding assay was used to test the biological activity of the samples and confirmed that most agricultural waste samples contain high levels of estrogenic compounds. The potential of these wastes to cause endocrine disruption in the receiving ecosystem is unknown at present
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.scitotenv.2005.02.027
Volume 355
Issue Number 1-3
Page from 135
Page to 144
ISSN 0048-9697
Date Accessioned 2010-03-02
Language en_AU
Research Centre Australian Rivers Institute
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Environmental Impact Assessment; Environmental and Occupational Health and Safety
URI http://hdl.handle.net/10072/32488
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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