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Application of the GREAT-ER model for environmental risk assessment of nonylphenol and nonylphenol ethoxylates in China
Zhang L.; Cao, Y.; Hao, X. W.; Zhang, Y. Y.; Liu, J. G.
Source PublicationEnvironmental Science and Pollution Research
2015
Volume22
Issue23
Pages18531-18540
Keyword"Down-the-drain" chemicals Risk assessment GREAT-ER Catchment establishment NP and NPEOs endocrine-disrupting chemicals the-drain chemicals surface waters estrogenic activity exposure assessment p-nonylphenol lanzhou reach yellow-river south china isomers
AbstractThe environmental risk presented by "down-the-drain" chemicals to receiving rivers in large urban areas has received increasing attention in recent years. Geo-referenced Regional Environmental Assessment Tool for European Rivers (GREAT-ER) is a typical river catchment model that has been specifically developed for the risk assessment of these chemicals and applied in many European rivers. By utilizing the new version of the model, GREAT-ER 3.0, which is the first completely open source software for worldwide application, this study represents the first attempt to conduct an application of GREAT-ER in the Wenyu River of China. Aquatic exposure simulation and an environmental risk assessment of nonylphenol (NP) and its environmental precursor nonylphenol ethoxylates (NPEOs) were conducted effectively by GREAT-ER model, since NP is one of typical endocrine disrupting chemicals (EDCs) and its environmental precursor NPEOs as a "down-the-drain" chemical are extensively used in China. In the result, the predicted environmental concentrations (PECs) of NP and NPEOs in the water of Wenyu River were 538 and 4320 ng/L, respectively, at the regional scale, and 1210 and 8990 ng/L, respectively, at the local scale. From the results profile of the RCR, the combination of high emissions from large STPs with insufficient dilution of the river caused the high RCR. The PECs of NP in the sediment were in the range of 216.8-8218.3 ng/g (dry weight), which was consistent with the available monitoring data. The study showed the worldwide applicability and reliability of GREAT-ER as a river catchment model for the risk assessment of these chemicals and also revealed the general environmental risks presented by NP and NPEOs in the Wenyu River catchment in Beijing due to the extensive use of these chemicals. The results suggest that specific control or treatment measures are probably warranted for these chemicals to reduce their discharge in major cities.
Indexed BySCI
Language英语
ISSN0944-1344
DOI10.1007/s11356-015-5352-3
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/43597
Collection历年回溯文献
Recommended Citation
GB/T 7714
Zhang L.,Cao, Y.,Hao, X. W.,et al. Application of the GREAT-ER model for environmental risk assessment of nonylphenol and nonylphenol ethoxylates in China. 2015.
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