萨瓦河(欧洲东南部)沿岸地区潜在有毒元素的健康风险评估:高水位和低水位事件的影响

IF 6 3区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Environmental Sciences Europe Pub Date : 2024-07-18 DOI:10.1186/s12302-024-00952-3
Milica Jonjev, Zorana Miletić, Dragana Pavlović, Marija Matić, Dragan Čakmak, Miroslava Mitrović, Pavle Pavlović
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引用次数: 0

摘要

本研究通过计算富集因子 (EF) 和地质累积指数 (Igeo),评估了萨瓦河沿岸地区潜在有毒元素 (PTE) --砷、镉、铬、铜、镍、铅和锌的来源分布和污染程度。该研究分析了对当地成人和儿童的非致癌和致癌健康风险。研究人员对沿河 945 公里的 12 个地点在丰水期和枯水期采集的土壤和沉积物样本进行了筛选。从Županja(ZUP)到贝尔格莱德(BEO)的中下游河段的土壤中发现砷、铬、铜、镍和锌的含量升高,上游河段 Čatež (CAT) 的铜含量升高,凸显了这些元素对人类的潜在风险。此外,还检测到沉积物中的砷、镉、铬、镍和锌含量升高,其中镍含量比允许接触限值(PEL)高出三倍,表明污染严重。研究确定,砷、铬和镍主要来自地质来源;铜、铅和锌主要来自人为来源;镉既来自地质来源,也来自人为来源。虽然整个河段的 EF 值和 Igeo 值各不相同,但在下游河段,大多数元素的 EF 值和 Igeo 值都明显偏高,表明人为污染严重,对健康构成潜在风险。在高水位和低水位事件中,与土壤和沉积物相关的致癌和非致癌风险并不意味着对成人有潜在风险。然而,在高水位和低水位事件中,砷、镉、铬和铅可能对儿童造成最大的非致癌风险,而摄入是主要的接触途径。根据我们的研究结果,萨瓦河流域(SRB)中高浓度的砷、镉、铬和铅对当地居民的健康构成了巨大的潜在风险,这主要基于以下几个因素:这些元素的高浓度、EF 和 Igeo 确定的潜在污染风险以及它们的生物利用率和可溶性。尽管累积总危害指数 (THI) 和总致癌风险 (TCR) 值较低,尤其是在萨瓦河下游,但这些元素仍对健康构成了较高的潜在威胁。
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Health risk assessment of potentially toxic elements in the riparian zone of the Sava River (southeastern Europe): effects of high and low water events

This study evaluated the source apportionment and level of contamination with potential toxic elements (PTEs)—As, Cd, Cr, Cu, Ni, Pb and Zn—in a riparian zone of the Sava River by calculating the Enrichment Factor (EF) and the Geo-Accumulation Index (Igeo). The study analysed the non-carcinogenic and carcinogenic health risks to both adults and children in the local population. Soil and sediment samples collected during high and low water events from 12 sites along 945 km of the river were screened. Elevated soil contents of As, Cr, Cu, Ni, and Zn were observed along the middle and lower stretches from Županja (ZUP) to Belgrade (BEO), and an elevated Cu content was detected in the upper stretch Čatež (CAT), highlighting these elements as a potential risk for the human population. Elevated As, Cd Cr, Ni, and Zn levels in the sediment were also detected, with the Ni content three times higher than the Permissible Exposure Limit (PEL) values, indicating high contamination. The study established that As, Cr, and Ni primarily originate from geological sources; Cu, Pb, and Zn are predominantly from anthropogenic sources; and Cd originates from both geological and anthropogenic sources. Although the EF and Igeo varied along the entire river stretch, they were significantly higher for most elements in the lower stretch, indicating intensive anthropogenic contamination and potential health risks. The carcinogenic and non-carcinogenic risks associated with soils and sediments during high and low water events did not imply a potential risk for adults. However, As, Cd, Cr, and Pb potentially pose the greatest non-carcinogenic risk for children in both high and low water events, with ingestion as the main route of exposure. According to our findings, the elevated concentrations of As, Cd, Cr, and Pb in the Sava River basin (SRB) pose a significant potential health risk to the local population based on several factors: the high levels of these elements, their potential contamination risk as determined by the EF and Igeo, and their bioavailability and solubility. Although the cumulative Total Hazard Index (THI) and Total Carcinogenic Risk (TCR) values are low, particularly in the lower stretch of the Sava River, these elements still present a high potential health threat.

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来源期刊
Environmental Sciences Europe
Environmental Sciences Europe Environmental Science-Pollution
CiteScore
11.20
自引率
1.70%
发文量
110
审稿时长
13 weeks
期刊介绍: ESEU is an international journal, focusing primarily on Europe, with a broad scope covering all aspects of environmental sciences, including the main topic regulation. ESEU will discuss the entanglement between environmental sciences and regulation because, in recent years, there have been misunderstandings and even disagreement between stakeholders in these two areas. ESEU will help to improve the comprehension of issues between environmental sciences and regulation. ESEU will be an outlet from the German-speaking (DACH) countries to Europe and an inlet from Europe to the DACH countries regarding environmental sciences and regulation. Moreover, ESEU will facilitate the exchange of ideas and interaction between Europe and the DACH countries regarding environmental regulatory issues. Although Europe is at the center of ESEU, the journal will not exclude the rest of the world, because regulatory issues pertaining to environmental sciences can be fully seen only from a global perspective.
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