Ecological health risk assessment of soil heavy metals in Wuyuan County, Inner Mongolia

ZHANG Dong; LI Yongchun; SU Rilige; YUAN Guoli; TAI Surigala; WANG Yongliang; CHEN Guodong; ZHOU Wenhui; DU Yuchunzi; YANG Jianyu

doi:10.12029/gc20230420001

2024 Vol. 51, No. 1

Article Contents

Article navigation > Geology in China > 2024 > 51(1): 248-263

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ZHANG Dong, LI Yongchun, SU Rilige, YUAN Guoli, TAI Surigala, WANG Yongliang, CHEN Guodong, ZHOU Wenhui, DU Yuchunzi, YANG Jianyu. 2024. Ecological health risk assessment of soil heavy metals in Wuyuan County, Inner Mongolia[J]. Geology in China, 51(1): 248-263. doi: 10.12029/gc20230420001

Citation:

ZHANG Dong, LI Yongchun, SU Rilige, YUAN Guoli, TAI Surigala, WANG Yongliang, CHEN Guodong, ZHOU Wenhui, DU Yuchunzi, YANG Jianyu. 2024. Ecological health risk assessment of soil heavy metals in Wuyuan County, Inner Mongolia[J]. Geology in China, 51(1): 248-263. doi: 10.12029/gc20230420001

Ecological health risk assessment of soil heavy metals in Wuyuan County, Inner Mongolia

1.
Hohhot General Survey of Natural Resources Center, China Geological Survey, Hohhot 010010, Inner Mongolia, China
2.
School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China

Fund Project: Supported by the projects of Science and Technology Innovation Fund of Command Center of Integrated Natural Resources Survey Center (No.KC20220006) and China Geological Survey (No.DD20191015).

More Information

Author Bio: ZHANG Dong, male, born in 1995, engineer, mainly engaged in ecological geochemical investigation and evaluation; E-mail: zhangdong01@mail.cgs.gov.cn
Corresponding author: LI Yongchun, male, born in 1989, senior engineer, mainly engaged in exploration geochemistry and ecological geochemical investigation and evaluation; E-mail: 369517099@qq.com.

Received Date: 20 April 2023

Revised Date: 24 May 2023

Publish Date: 25 January 2024

Abstract

Abstract

This paper is the result of environmetal geological survey engineering.
Objective
Wuyuan County is located in the Hetao Plain. To find out the heavy metal pollution status of the farmland soil in Wuyuan County, 1985 surface soil samples, 30 crop samples, and 5 drinking water samples were collected, and the contents of eight heavy metal elements, such As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn were analyzed and determined.
Methods
The heavy metal pollution degree and health risks of the soil, crops, and drinking water were evaluated using the soil accumulation index and Nemerow comprehensive pollution index methods and a health risk assessment model.
Results
The Nemerow comprehensive pollution index showed that the soil in this area was still largely unpolluted, and there was only light pollution of As in some areas. According to the human health risk assessment, ingestion of soil through the mouth or skin is a carcinogenic risk to residents (9.97×10⁻⁶), and ingestion of As in drinking water is a certain health risk to residents (1.62).
Conclusion
Hg is greatly influenced by humans, and there were obvious strong anomalies in Sankou near the Ring Road in Wuyuan County. The other elements were mainly controlled by the parent material. The local content of As was high in Jianfeng Farm and other places, which exceeded the risk screening value. Thus, As contributed the most to the drinking water health risk and should be a cause for concern.
- soil /
- heavy metal /
- health risks /
- environmetal geological survey engineering /
- Wuyuan County /
- Inner Mongolia

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References

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