Spatial Distribution, Risk Assessment, and Seasonal Variations of 4-nonylphenol in China’s Yinma River Basin
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School of Resources and Environmental Engineering, Jilin Institute of Chemical Technology, Jilin, China
Department of Vascular Surgery, First Hospital of Jilin University-Eastern Division, Changchun, Jilin Province, China
Institute of Grassland Science, Northeast Normal University and Key Laboratory of Vegetation Ecology, Ministry of Education, Changchun, Jilin, China
Submission date: 2017-10-24
Final revision date: 2018-02-05
Acceptance date: 2018-02-12
Online publication date: 2018-10-02
Publication date: 2018-12-20
Corresponding author
Liang Xu   

Jilin Institute of Chemical Technology, Jilin Institute of Chemical Technology , Jilin 132022, China, 132022 Jilin, China
Pol. J. Environ. Stud. 2019;28(2):845-852
In recent decades the Yinma River Basin has been receiving increasing pollution from industrial and domestic wastewater, agriculture, and livestock production – which are all potential 4-NP pollution sources. Thus, this work investigated spatial-seasonal distribution, risks, and seasonal variations of 4-nonylphenol in the aquatic environment of the Yinma River Basin. The results indicated that the highest concentrations in water and sediment occurred in livestock-production, industrial, and domestic-wastewater areas, and the lowest occurred in agricultural areas; a seasonal variation in 4-NP concentrations in water was observed, with the highest concentrations occurring in the dry season and the lowest concentrations in the wet season. The results for risk quotient indicated that in three water seasons, low ecological risks of 4-NP in water primarily occurred in agricultural areas, and high ecological risks occurred downstream of domestic-wastewater drainage; the ecological risks of 4-NP in sediment from all the sampling sites were exposed to moderate or high ecological risks. Based on the results for hazard quotient, a seasonal variation in human health risks of 4-NP in water was observed; except for a sampling site located downstream of domestic wastewater drainage, human health risks of 4-NP in water were low.
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