PM10中重金属的健康风险评估及修正方法比较

冯茜丹; 刘志磊; 陈启宇; 陈希超; 高梓旭; 王钰钰; 郑彤; 刘芸; 林必桂

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中国环境科学 ›› 2022, Vol. 42 ›› Issue (10) : 4880-4888.

环境毒理与健康

PM₁₀中重金属的健康风险评估及修正方法比较

冯茜丹¹, 刘志磊^1,2,3, 陈启宇^2,3,4, 陈希超³, 高梓旭¹, 王钰钰³, 郑彤³, 刘芸³, 林必桂^2,3

作者信息 +

Comparison of health risk assessment and correction methods of heavy metals in PM₁₀

FENG Xi-dan¹, LIU Zhi-lei^1,2,3, CHEN Qi-yu^2,3,4, CHEN Xi-chao³, GAO Zi-xu¹, WANG Yu-yu³, ZHENG Tong³, LIU Yun³, LIN Bi-gui^2,3

Author information +

文章历史 +

摘要

通过对华南某电子垃圾拆解区PM₁₀中重金属含量特征分析，计算该地区的人群暴露量，评估人群健康风险，并引入靶器官毒性剂量法（TTD）和证据权重法（WOE）对常规评估方法的非致癌健康风险进行修正，比较探讨3种方法对非致癌健康风险评估结果的影响.结果表明：研究区域夏，冬季节的非致癌和致癌健康风险均为：儿童>成年女性>成年男性，重金属Ni对人群可能存在致癌风险（ILCR在10^-6~10^-4之间）.其中，Cr，Pb，Cd和As 4种重金属（类金属）对成年男性的非致癌健康风险值为3.05×10^-2，经TTD法和WOE法修正后为5.41×10^-2和5.4×10^-1，表明当综合考虑重金属作用的靶器官及重金属间的相互作用时，PM₁₀中重金属的非致癌健康风险值高于常规方法.

Abstract

In this study, we characterized the content of heavy metals in PM₁₀, calculated the exposure levels for population and assessed the human health risks in an electronic waste dismantling area of South China. Subsequently, the non-carcinogenic health risks of the population were amended by the target organ toxic dose (TTD) method and weight of evidence (WOE) method, respectively. The results showed that the non-carcinogenic health risks in the summer and winter were:children > adult women > adult men, and the heavy metal Ni was probably carcinogenic risks to the population (ranged from 10^-6 to 10^-4). The non-carcinogenic health risk values of Cr, Pb, Cd and As for adult males were 3.05×10^-2 and the corrected risk values by the TTD and WOE methods were 5.41×10^-2 and 5.4×10^-1. Our results indicated that the assessment of non-carcinogenic health risk values of heavy metals from PM₁₀ should comprehensively consider the interactions between heavy metals.

导出引用

冯茜丹, 刘志磊, 陈启宇, 陈希超, 高梓旭, 王钰钰, 郑彤, 刘芸, 林必桂. PM₁₀中重金属的健康风险评估及修正方法比较[J]. 中国环境科学. 2022, 42(10): 4880-4888

FENG Xi-dan, LIU Zhi-lei, CHEN Qi-yu, CHEN Xi-chao, GAO Zi-xu, WANG Yu-yu, ZHENG Tong, LIU Yun, LIN Bi-gui. Comparison of health risk assessment and correction methods of heavy metals in PM₁₀[J]. China Environmental Science. 2022, 42(10): 4880-4888

中图分类号： X153

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基金

中央级公益性科研院所基本科研业务专项（PM-zx703-202104-056，1630042021024）；国家重点研发计划项目（2019YFC1805504，2019YFC1805505）；国家自然科学基金青年科学基金资助项目（41105093）；广东省高等学校优秀青年教师培养计划项目（粤教师函[2014]145号）