Pollution Level, Distribution Characteristic, and Ecological Risk Assessment of Environmentally Persistent Pharmaceutical Pollutants in Surface Water of Jiangsu Province

被引：0
|
作者：
Zhao M.-M. [1 ,2 ]
Fan D.-L. [2 ]
Gu W. [2 ]
Wang Z. [2 ]
Liang M.-Y. [2 ]
Liu J.-N. [2 ]
Zhang Z. [1 ]
机构：
[1] College of Modern Agriculture and Ecological Environment, Heilongjiang University, Harbin
[2] Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing
来源：
Huanjing Kexue/Environmental Science | 2021年 / 42卷 / 09期
关键词：
Ecological risk assessment; Environmentally persistent pharmaceutical pollutants (EPPPs); Pollution character; Quadrupole/electrostatic field orbitrap high resolution mass spectrometry; Surface water;
D O I：
10.13227/j.hjkx.202012058
中图分类号：
学科分类号：
摘要：
Because Jiangsu is an important economic province of China, it is necessary to examine the pollution characteristics and assess the ecological risk of environmentally persistent pharmaceutical pollutants (EPPPs) in this region. In this study, surface water samples were obtained from grade 1-4 rivers and lakes (with an area of 50 km2 or more) in Jiangsu Province, and then analyzed to determine the pollution level of EPPPs. In total, 35 EPPPs were detected in the surface water of Jiangsu Province, with total concentrations in the samples ranging from 66.74 to 2 189.83 ng•L-1. The 17 EPPPs with a detection rate of more than 25% are discussed in this study. The total concentrations of 35 EPPPs were 72.48-1 142.79 ng•L-1, and the mean concentration was 345.20 ng•L-1. The total concentration of EPPPs was higher in the north and south than in the central part of Jiangsu. Yangzhou city had the highest concentration of EPPPs in the whole province, and the main sources of this pollution were domestic sewage, shipping sewage discharge, and drug use in fishery breeding. The total concentration of EPPPs decreased on both sides of the region, with the Beijing-Hangzhou Canal and waste from the Yellow River forming the middle line. An ecological risk assessment of 17 EPPPs showed that single target drugs posed a low risk to water ecology in Jiangsu Province. The combined risk quotient of 17 EPPPs in water of Jiangsu Province was 0.03-0.52, indicating that EPPPs posed a low to moderate risk. © 2021, Science Press. All right reserved.
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页码：4222 / 4233
页数：11
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