Indoor exposure levels and risk assessment of volatile organic compounds in residences, schools, and offices in China from 2000 to 2021: A systematic review.
Indoor exposure levels and risk assessment of volatile organic compounds in residences, schools, and offices in China from 2000 to 2021: A systematic review.
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DOI：
10.1111/ina.13091
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发表时间：
2022-09
期刊：
影响因子：
5.8
通讯作者：
Ningrui Liu;Zhongming Bu;Wei Liu;Haidong Kan;Zhuohui Zhao;F. Deng;Chen Huang;Bin Zhao;Xiangang Zeng;Yuexia Sun;Hua Qian;J. Mo;Chanjuan Sun;Jianguo Guo;Xiaohong Zheng;Louise B. Weschler;Yinping Zhang
中科院分区：
文献类型：
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作者：
Ningrui Liu;Zhongming Bu;Wei Liu;Haidong Kan;Zhuohui Zhao;F. Deng;Chen Huang;Bin Zhao;Xiangang Zeng;Yuexia Sun;Hua Qian;J. Mo;Chanjuan Sun;Jianguo Guo;Xiaohong Zheng;Louise B. Weschler;Yinping Zhang
在过去的二十年里，中国经历了快速的城市化和经济增长，伴随着严重的挥发性有机化合物（VOCs）室内空气污染。然而，中国的室内VOC污染还没有得到很好的表征和记录。本研究系统回顾了2000年至2021年中国住宅、办公室和学校中8种目标VOCs（苯、甲苯、二甲苯、乙醛、对二氯苯、丁二烯、三氯乙烯和四氯乙烯）的现场测量结果。结果表明，我国室内苯、甲苯和二甲苯污染较国外严重。时空分布显示，东部和东南部地区室内VOC水平较低，2000年至2021年呈下降趋势。在装修后一年多搬进住宅，改善通风可以显着减少室内VOCs的暴露。减少苯暴露是迫切需要的，因为它与更大的健康风险（终身癌症风险为4.5 × 10-4，危险系数为8.3）比任何其他挥发性有机化合物。本研究丰富了室内VOC水平数据库，为我国室内空气质量标准的完善和VOCs所致疾病负担的估算提供了科学依据。
The last two decades have witnessed rapid urbanization and economic growth accompanied by severe indoor air pollution of volatile organic compounds (VOCs) in China. However, indoor VOC pollution across China has not been well characterized and documented. This study is a systematic review of field measurements of eight target VOCs (benzene, toluene, xylenes, acetaldehyde, p-dichlorobenzene, butadiene, trichloroethylene, and tetrachloroethylene) in residences, offices, and schools in China from 2000 to 2021. The results show that indoor pollution of benzene, toluene, and xylenes has been more serious in China than in other countries. Spatiotemporal distribution shows lower indoor VOC levels in east and south-east regions and a declining trend from 2000 to 2021. Moving into a dwelling more than 1 year after decoration and improving ventilation could significantly reduce exposure to indoor VOCs. Reducing benzene exposure is urgently needed because it is associated with greater health risks (4.5 × 10-4 for lifetime cancer risk and 8.3 for hazard quotient) than any other VOCs. The present study enriches the database of indoor VOC levels and provides scientific evidence for improving national indoor air quality standards as well as estimating the attributable disease burden caused by VOCs in China.