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Indoor Air

Title:		"Indoor exposure levels and risk assessment of volatile organic compounds in residences, schools, and offices in China from 2000 to 2021: A systematic review"
Author(s):		Liu N; Bu Z; Liu W; Kan H; Zhao Z; Deng F; Huang C; Zhao B; Zeng X; Sun Y; Qian H; Mo J; Sun C; Guo J; Zheng X; Weschler LB; Zhang Y;
Address:		"Department of Building Science, Tsinghua University, Beijing, China. Beijing Key Laboratory of Indoor Air Quality Evaluation and Control, Beijing, China. Department of Energy and Environmental System Engineering, Zhejiang University of Science and Technology, Hangzhou, China. Institute for Health and Environment, Chongqing University of Science and Technology, Chongqing, China. School of Public Health, Fudan University, Shanghai, China. School of Public Health, Peking University, Beijing, China. School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai, China. School of Environment and Natural Resources, Renmin University of China, Beijing, China. School of Environmental Science and Engineering, Tianjin University, Tianjin, China. School of Energy and Environment, Southeast University, Nanjing, China. Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China. Colts Neck, New Jersey, USA"
Journal Title:		Indoor Air
Year:		2022
Volume:		32
Issue:		9
Page Number:		e13091 -
DOI:		10.1111/ina.13091
ISSN/ISBN:		1600-0668 (Electronic) 0905-6947 (Linking)
Abstract:		"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 x 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"
Keywords:		"Acetaldehyde *Air Pollutants/analysis *Air Pollution, Indoor/analysis Benzene/analysis Butadienes China Environmental Monitoring Risk Assessment Schools *Tetrachloroethylene Toluene *Trichloroethylene *Volatile Organic Compounds/analysis Xylenes/analysis;"
Notes:		"MedlineLiu, Ningrui Bu, Zhongming Liu, Wei Kan, Haidong Zhao, Zhuohui Deng, Furong Huang, Chen Zhao, Bin Zeng, Xiangang Sun, Yuexia Qian, Hua Mo, Jinhan Sun, Chanjuan Guo, Jianguo Zheng, Xiaohong Weschler, Louise B Zhang, Yinping eng Research Support, Non-U.S. Gov't Review Systematic Review England 2022/09/29 Indoor Air. 2022 Sep; 32(9):e13091. doi: 10.1111/ina.13091"