Health assessment based on exposure to microplastics in tropical agricultural soil

文献类型： 外文期刊

第一作者： Lin, Bigui

作者： Lin, Bigui;Wang, Luya;Liu, Beibei;Liu, Fang;Wu, Lin;Wei, Chaoxian;Lin, Bigui;Wang, Luya;Liu, Beibei;Wu, Lin;Wei, Chaoxian;Lin, Bigui;Wang, Luya;Liu, Beibei;Wu, Lin;Wei, Chaoxian;Chen, Qiyu;Liu, Zhilei;Chen, Xichao;Zhang, Zongyao;Wen, Shaobai;Liu, Fang

作者机构：

关键词： Microplastics; Agricultural soil; Size distribution analysis; Dimensionality of MPs; Health exposure assessment

期刊名称：JOURNAL OF HAZARDOUS MATERIALS （ 影响因子：13.6； 五年影响因子：12.7 ）

ISSN： 0304-3894

年卷期： 2024 年 465 卷

页码：

收录情况： SCI

摘要： Microplastic (MP) pollution of agricultural soils has caused global alarm over its widespread distribution and potential risks to terrestrial ecosystems and human health. This study assessed human health based on exposure to soil MPs through a comprehensive investigation of the factors influencing their occurrence and spatial distribution on Hainan Island, South China. The results showed that the abundance of soil MPs was 1128.6 +/- 391.5 items center dot kg 1, whereas the normalized abundance of MPs based on using a power-law function was 19,261.4 items center dot kg 1. Regarding the extent of population exposure to agricultural soil MPs, the average daily exposure dose (pADD) model revealed that using mass as an indicator to assess the health risks associated with MP intake is more reliable than using abundance. However, abundance-based exposure assessments are also relevant because MPs with smaller particle sizes are more harmful to human health. Moreover, for adults, the normalized pADD values based on abundance and mass were 1.68E-02 item MPs center dot kg BW 1 center dot d 1 and 7.23E-02 mg MPs center dot kg BW 1 center dot d 1, respectively. Although the multidimensionality of MPs should be further aligned and quantified, the preliminary findings of this study contribute to the development of human health risk assessment frameworks for soil MPs.

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