Hidden threats beneath: uncovering the bio-accessible hazards of chromite-asbestos mine waste and their impacts on rice components via multi-machine learning algorithm.
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引用次数: 0
Abstract
The chromite-asbestos mining leaves behind tonnes of toxic waste, contaminating nearby agricultural fields with potentially toxic elements (PTEs). Over time, wind and water erosion spread these pollutants, severely impacting the ecosystem, food chain, and human health. This study evaluates the bioaccessible (stomach and intestinal phases) and leachable forms of PTEs, emphasizing the health and dietary risks associated with PTE pollution in this region. The study result indicates that the leachable and bio-accessible PTEs concentrations in agricultural soil, mainly Cr and Ni, were higher in zone 1 (mine tailings dumping area) and zone 2 (tailings contaminated soil) than zone 3 (uncontaminated soil). PTEs content in rice parts, mainly in boiled rice, showed moderate risk in the SAMOE model from Cr (0.011) and Ni (0.013) while in rice (without husk), it indicated high (class 5) dietary risk. The Fuzzy-TOPSIS, artificial neural network, and Monte-Carlo simulation models all demonstrated that Cr was the major contributor to anthropogenic risk. Compared to adults (5.08E-05), children (1.88E-03) were more vulnerable to total carcinogenic risk via ingestion pathway. Machine learning methods have been implemented to forecast the effects of leachable PTEs on soil-rice systems and possible health hazards associated with consuming food from the chromite-asbestos waste-contaminated zone. The survey-based Fuzzy-DEMATEL technique also showed that consumption of starch and cooked rice were the most crucial factors influencing the population's health risk. Overall, the implications of the statistical model may aid in assessing potential health hazards and enhancing regulations for ecosystem preservation.
期刊介绍：
Environmental Geochemistry and Health publishes original research papers and review papers across the broad field of environmental geochemistry. Environmental geochemistry and health establishes and explains links between the natural or disturbed chemical composition of the earth’s surface and the health of plants, animals and people.
Beneficial elements regulate or promote enzymatic and hormonal activity whereas other elements may be toxic. Bedrock geochemistry controls the composition of soil and hence that of water and vegetation. Environmental issues, such as pollution, arising from the extraction and use of mineral resources, are discussed. The effects of contaminants introduced into the earth’s geochemical systems are examined. Geochemical surveys of soil, water and plants show how major and trace elements are distributed geographically. Associated epidemiological studies reveal the possibility of causal links between the natural or disturbed geochemical environment and disease. Experimental research illuminates the nature or consequences of natural or disturbed geochemical processes.
The journal particularly welcomes novel research linking environmental geochemistry and health issues on such topics as: heavy metals (including mercury), persistent organic pollutants (POPs), and mixed chemicals emitted through human activities, such as uncontrolled recycling of electronic-waste; waste recycling; surface-atmospheric interaction processes (natural and anthropogenic emissions, vertical transport, deposition, and physical-chemical interaction) of gases and aerosols; phytoremediation/restoration of contaminated sites; food contamination and safety; environmental effects of medicines; effects and toxicity of mixed pollutants; speciation of heavy metals/metalloids; effects of mining; disturbed geochemistry from human behavior, natural or man-made hazards; particle and nanoparticle toxicology; risk and the vulnerability of populations, etc.
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