Occurrence Characteristics and Health Risk Assessment of Endocrine Disrupting Chemicals in Groundwater in Wuxi-Changzhou

被引：2
作者：
Wang S.-T. [1 ]
Rao Z. [1 ]
Guo F. [1 ]
Liu C.-H. [1 ]
Zhan N. [1 ]
Wang Y.-N. [1 ,2 ]
Peng J. [1 ,2 ]
Yang H.-B. [2 ]
机构：
[1] Key Laboratory of Eco-geochemistry(Ministry of Natural Resources), National Research Center for Geoanalysis, Chinese Academy of Geological Sciences, Beijing
[2] School of Public Health, Guizhou Medical University, Guiyang
来源：
Huanjing Kexue/Environmental Science | 2021年 / 42卷 / 01期
关键词：
Endocrine disrupting chemicals; Groundwater; Health risk; Occurrence characteristics; Wuxi-Changzhou;
D O I：
10.13227/j.hjkx.202005104
中图分类号：
学科分类号：
摘要：
The concentrations of 22 endocrine disrupting chemicals, including 4 categories of sex hormones, progesterones, glucocorticoids, and phenolic hormones, in groundwater of Wuxi-Changzhou were analyzed using solid-phase extraction and ultra-performance liquid chromatography tandem mass spectrometry. The results indicated that 20 EDCs were detected, among which bisphenol A (BPA), estrone (E1), estradiol (E2), and 17α-ethinyl estradiol (EE2) were the main components with detection ratios greater than 90%, followed by estriol (E3) and methyl-prednisolonel (Meprednl), which had detection rates 67.7% and 48.4%, respectively. The average concentration of BPA was the highest (4.95 ng•L-1), followed by that of Meprednl, E2, prednisolone (Prednl), testosterone propionate (TES-pro), and megestrol-acetate (MA; 2.84, 0.71, 0.64, 0.58, and 0.53 ng•L-1, respectively). The total concentration in each site ranged from 0.38 to 147.35 ng•L-1. The sites with higher concentration were mainly distributed in the Xinbei District, Liyang City, and the Zhonglou District of Changzhou City. The potential sources were analyzed by a principal component analysis (PCA) combining the point sources near sample sites. The results showed that domestic sewage, aquaculture, and industrial wastewater were the main sources, following by medical wastewater. A non-carcinogenic risk assessment showed a low risk of EDCs in the groundwater of the study area, and the risk of drinking water was greater than that of skin exposure. EE2 had the highest non-carcinogenic risk and is suggested to be monitored in priority. © 2021, Science Press. All right reserved.
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页码：166 / 174
页数：8
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