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Spatial distribution of health risks for residents located close to solvent-consuming industrial VOC emission sources

引用

Journal of Environmental Sciences 2021年第9期33卷 38-48页

作者： Di Wang Xuan Li Xinmin Zhang Wenjuan Zhao Weiqi Zhang Shuaifeng Wu Xia Shao Lei Nie State Key Laboratory of Environmental Criteria and Risk Assessment Chinese Research Academy of Environmental SciencesBeijing 100012China Beijing Key Laboratory of Urban Atmospheric Volatile Organic Compounds Pollution Control and Application Beijing Municipal Research Institute of Environment ProtectionBeijing 100037China China Institute of Water Resources and Hydropower Research Beijing 100038China

emissions derived from the consumption of organic solvents have been proven to be the primary industrial source of volatile organic compounds(VOCs).In conjunction with epidemiologic studies, water-based paints(WBPs) and solvent-based paints(SBPs) were selected as representatives of newly developed solvents and traditional solvents, respectively,to simulate the effects of consuming solvents emitted during industrial *** non-carcinogenic and carcinogenic risks to residents near emission sources were studied in *** results showed that the spatial distribution of health risks varied with meteorological conditions and type of emission source, and the prevailing wind direction strongly affected the distribution range and shape of the influenced *** areas of influence maximized on heavy-polluting days for both WBP and SBP emission sources with the total span reaching 804 m and 16 km, respectively;meanwhile, the areas of influence for carcinogenic risk resulting from WBP emission sources were 1.2 and 2.3 times greater than those measured on fine and rainy days, respectively, and 1.8 and 2.9 times greater for SBP emission *** with WBPs, the total spans of negatively influenced regions resulting from SBP emission sources were 10.4, 12.5 and 19.9 times greater on fine, rainy and heavypolluting days, ***, carcinogenic risk was the dominant health threat for populations residing close to solvent-consuming industrial emission *** findings suggest that newly developed solvents are capable of significantly reducing consequent health threats, nevertheless, they could still pose occasional threats to nearby residents under specific meteorological conditions.

关键词： Secondary receptor Spatial distribution solvent-consuming emission source Potential health risk Acquirable risk-free region

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