Soil heavy metal pollution and health risk assessment around Wangchun Industrial Park, Ningbo, China

IF 2.8 3区 农林科学 Q3 ENVIRONMENTAL SCIENCES Journal of Soils and Sediments Pub Date : 2024-06-24 DOI:10.1007/s11368-024-03806-w
Jijiao Ding, Jiming Hu
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Abstract

Purpose

To explore the soil heavy metal pollution around Wangchun Industrial Park and its health effects on people of different ages.

Methods

In this study, pollution assessment methods such as the \({I}_{geo}\) and the Nemero Comprehensive Pollution Index were used to assess the pollution status of six heavy metals Cd, Ni, Pb, Cu, Hg and As in 32 soil samples collected from Wangchun Industrial Park.

Results

Observed the average concentrations of the six heavy metals exceeded the background values of Ningshao Plain in four heavy metals, As, Ni, Cu, and Hg, but none of them exceeded the screening values of construction land. According to the analysis of local accumulation index and Nemero index, the order of soil pollution and heavy metal concentration is as follows: As > Ni > Cu > Pb > Cd > Hg. The The results of human health risk assessment, adult men, women, and children are at a higher risk of non-carcingenic from ingestion of HMs that are exposed to the route, children are the group at highest risk of As cancer.

Conclusions

Contamination of As, Ni and Cu in the soil of the study area has been primarily influenced by the mixing of nearby industrial activities and other human activities. The appropriate concentration ranges of As, Ni and Cu are as follows: As: 5.4–6 mg/kg, Ni: 21.51–32 mg/kg, Cu: 20.98–31.62 mg/kg, which have little impact on human health.

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中国宁波望春工业园区周边土壤重金属污染及健康风险评估
目的探讨望春工业园区周边土壤重金属污染及其对不同年龄人群健康的影响。方法采用污染评价方法({I}_{geo}\)和内梅罗综合污染指数(Nemero Comprehensive Pollution Index)对望春工业园区32个土壤样品中的6种重金属Cd、Ni、Pb、Cu、Hg和As的污染状况进行评价。结果表明,六种重金属的平均浓度中,As、Ni、Cu、Hg 四种重金属超过了宁绍平原的背景值,但均未超过建设用地的筛选值。根据当地累积指数和内梅罗指数分析,土壤污染与重金属浓度的关系顺序如下As > Ni > Cu > Pb > Cd > Hg。人体健康风险评估结果显示,成年男性、女性和儿童因摄入暴露于途径中的重金属而患非心血管疾病的风险较高,儿童是砷致癌风险最高的群体。砷、镍和铜的适当浓度范围如下:砷5.4-6毫克/千克、镍:21.51-32毫克/千克、铜:20.98-31.62毫克/千克,对人体健康影响不大。
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来源期刊
Journal of Soils and Sediments
Journal of Soils and Sediments 环境科学-土壤科学
CiteScore
7.00
自引率
5.60%
发文量
256
审稿时长
3.5 months
期刊介绍: The Journal of Soils and Sediments (JSS) is devoted to soils and sediments; it deals with contaminated, intact and disturbed soils and sediments. JSS explores both the common aspects and the differences between these two environmental compartments. Inter-linkages at the catchment scale and with the Earth’s system (inter-compartment) are an important topic in JSS. The range of research coverage includes the effects of disturbances and contamination; research, strategies and technologies for prediction, prevention, and protection; identification and characterization; treatment, remediation and reuse; risk assessment and management; creation and implementation of quality standards; international regulation and legislation.
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