Environmental estrogens in a drinking water reservoir area in Shanghai: occurrence, colloidal contribution and risk assessment

The Science of the Total Environment
Minghua NieJohn L Zhou

Abstract

The occurrence and multi-phase distribution of six environmental estrogen compounds were investigated in a drinking water reservoir area by analyzing estrogens in suspended particulate matter (SPM), filtrate (conventional dissolved phase, <1 μm), permeate (truly soluble phase, <1 kDa) and retentate (colloidal phase, 1 kDa to 1 μm). The estrogen concentrations at different sites occurred in the following order: animal feed operation (AFO) wastewater-affected streams>tributaries>main stream channel. Correlation analysis showed that organic carbon (OC) contents had significantly positive correlations with environmental estrogens in filtrate, SPM and colloidal phases, respectively, indicating the important role played by OC. Aquatic colloids, often neglected, showed a much higher sorption capability of environmental estrogens compared to SPM. Similar Kcoc values in three types of sampling sites showed that colloids could be transported from AFO wastewater to tributaries and further into the main river channel. Mass balance calculations showed that 14.5-68.4% of OP, 4.5-32.1% of BPA, 2.0-58.4% of E1, 8.36-72.0% of E2, 0-20.6% of EE2, 3.4-62.7% of E3 and 8.3-36.1% of total estrogens were associated with colloidal fractions, suggestin...Continue Reading

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Citations

Jun 11, 2015·Drug Testing and Analysis·P AvarZ Pirger
Jan 23, 2016·Environmental Science and Pollution Research International·Yan-You GouHow-Ran Chao
Dec 23, 2015·International Journal of Environmental Research and Public Health·Jing DengKejin Zhou
Mar 13, 2016·Journal of Pharmaceutical and Biomedical Analysis·Alan PuckowskiPiotr Stepnowski
Mar 5, 2016·Environmental Science and Pollution Research International·Mimi Suliza MuhamadZulkifli Yusop
Mar 8, 2016·Environmental Toxicology and Chemistry·Jian GongDiyun Chen
Jan 20, 2017·Environmental Science and Pollution Research International·Xiaowei LiuYang Zhang
Mar 8, 2018·International Journal of Environmental Research and Public Health·Weijie LiuShunshan Duan
May 28, 2019·Environmental Science and Pollution Research International·Edu J InamNnanake-Abasi O Offiong
Jan 31, 2021·International Journal of Environmental Research and Public Health·Cheng-Wen ChuangTing-Chien Chen
May 30, 2020·Chemosphere·Katrina Marie Sta Ana, Maria Pythias Espino
Aug 14, 2020·The Science of the Total Environment·Shibao LuMin Guo

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