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Open AccessArticle

Potentially Toxic Element Pollution Levels and Risk Assessment of Soils and Sediments in the Upstream River, Miyun Reservoir, China

by 1,2,†, 1,2,†, 1,2, 1,2, 1,2, 2 and 1,2,*
1
Chinese Research Academy of Environmental Sciences, Agricultural Environmental Research Center, Beijing 100012, China
2
Chinese Research Academy of Environmental Sciences, State Key Laboratory of Environmental Criteria and Risk Assessment, Beijing 100012, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Int. J. Environ. Res. Public Health 2018, 15(11), 2364; https://doi.org/10.3390/ijerph15112364
Received: 14 September 2018 / Revised: 15 October 2018 / Accepted: 16 October 2018 / Published: 25 October 2018
(This article belongs to the Collection Environmental Risk Assessment)
This study focused on the Chao River and Baimaguan River located upstream of the Miyun Reservoir in Miyun District (Beijing, China). Soil and sediment samples were collected from the river and drainage basin. Total nitrogen, total phosphorus, and six potentially toxic elements including cadmium, zinc, lead, chromium, arsenic, and copper, were analyzed in terms of concentration, potential ecological risk, and human health risk. The average concentrations of the six potentially toxic elements were all below the soil environmental quality standards for China. Cadmium was the most serious pollutant in both soils and sediments, at 2.58 and 3.40 times its background values. The contents of Cd and Pb were very closely related (p < 0.01) to total nitrogen concentrations in both soil and sediment samples. The potential ecological risks posed by Cd in the Chao and Baimaguan River soils were considerable and moderate, respectively. The historical iron ore mining and agricultural activity were identified as the primary sources of potentially toxic element pollution of soil and sediment in the Chao-Bai River in Miyun District. Human health risk assessment indicated that non-carcinogenic risks all fell below threshold values. The total carcinogenic risks due to Cr and As were within the acceptable range for both adults and children. This conclusion provides a scientific basis for the control of potentially toxic element pollution and environmental protection of the Miyun Reservoir in Beijing. View Full-Text
Keywords: potentially toxic element; pollution level; soil; sediment; risk assessment potentially toxic element; pollution level; soil; sediment; risk assessment
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MDPI and ACS Style

Pan, L.; Fang, G.; Wang, Y.; Wang, L.; Su, B.; Li, D.; Xiang, B. Potentially Toxic Element Pollution Levels and Risk Assessment of Soils and Sediments in the Upstream River, Miyun Reservoir, China. Int. J. Environ. Res. Public Health 2018, 15, 2364. https://doi.org/10.3390/ijerph15112364

AMA Style

Pan L, Fang G, Wang Y, Wang L, Su B, Li D, Xiang B. Potentially Toxic Element Pollution Levels and Risk Assessment of Soils and Sediments in the Upstream River, Miyun Reservoir, China. International Journal of Environmental Research and Public Health. 2018; 15(11):2364. https://doi.org/10.3390/ijerph15112364

Chicago/Turabian Style

Pan, Libo; Fang, Guangling; Wang, Yue; Wang, Lei; Su, Benying; Li, Dan; Xiang, Bao. 2018. "Potentially Toxic Element Pollution Levels and Risk Assessment of Soils and Sediments in the Upstream River, Miyun Reservoir, China" Int. J. Environ. Res. Public Health 15, no. 11: 2364. https://doi.org/10.3390/ijerph15112364

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