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Evaluation and characterization of volatile air toxics indoors in a heavy polluted city of northwestern China in wintertime
Huang, Y (Huang, Yu)1,2; Su, T (Su, Ting)1,2; Wang, LQ (Wang, Liqin)1,2; Wang, N (Wang, Nan)1,2; Xue, YG (Xue, Yonggang)1,2; Dai, WT (Dai, Wanting)1,2; Lee, SC (Lee, Shun Cheng)3; Cao, JJ (Cao, Junji)1,2; Ho, SSH (Ho, Steven Sai Hang)1,4
通讯作者Huang, Yu(huangyu@ieecas.cn) ; Ho, Steven Sai Hang(stevenho@hkpsrl.org)
2019-04-20
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
卷号470-480页码:470-480
产权排序1
摘要Hazardous volatile organic compounds (VOCs) and carbonyls were evaluated in typical dwellings in Xi'an in northwestern China in wintertime. High indoor concentrations were observed for formaldehyde, acetone, naphthalene, methylene chloride and acetaldehyde, associated with characteristic pollution sources. In comparison, many of the target VOCs were higher in Chinese dwellings than those in other countries, suggesting the significances of indoor pollutions in China. Source apportionment with receptor model shows that furniture and building materials (44.5%), paints and adhesives (11.9%), household products (17.3%), smoking (14.5%), and cooking (9.8%) are the major contributors to the indoor VOCs and carbonyls. The health risk assessment shows that the cancer risks for formaldehyde (5.73 x 10(-5)), 1,3-butadiene (2.07 x 10(-5)) and 1,2-dichloroethane (1.44 x 10(-5)) were much higher than the acceptable level of 1 x 10(-6) recommended by International Register for Certified Auditors (IRCA). The hazard quotient (HQ) of target VOCs were far less than the threshold (HQ = 1). Moreover, the practical efficiency of household air purifier in removal of the VOCs and carbonyls was examined first time in dwellings in northern China. The results prove that most of the indoor organic pollutants and their cancer risk to humans can be efficiently reduced, particularly for formaldehyde and 1,3-butadiene. The findings of the study offer useful preliminary and updated information on current indoor air toxics levels, dominant pollution sources and their potential health risks to residents in northwest China.
关键词Indoor air quality Volatile air toxics (VOCs) Carbonyls Residence Health risk Indoor air purifier
DOI10.1016/j.scitotenv.2019.01.250
关键词[WOS]ORGANIC-COMPOUNDS ; HEALTH-RISKS ; INHALATION EXPOSURE ; HOUSEHOLD PRODUCTS ; AMBIENT AIR ; HONG-KONG ; EMISSIONS ; OUTDOOR ; CARBONYLS ; HOMES
收录类别SCI ; SCIE
语种英语
资助项目National Key Research and Development Program of China[2016YFA0203000] ; National Key Research and Development Program of China[2017YFC0212200] ; National Science Foundation of China[41573138] ; National Science Foundation of China[41701565] ; National Science Foundation of China[51878644] ; Key Research and Development Program of Shaanxi Province[2018ZDCXL-SF-02-04] ; Research Grants Council of Hong Kong Government[PolyU 152090/15E] ; Research Grants Council of Hong Kong Government[PolyU 152083/14E] ; Research Grants Council of Hong Kong Government[T24-504/17-N] ; Hundred Talent Program of the Chinese Academy of Sciences
WOS研究方向Environmental Sciences & Ecology
项目资助者National Key Research and Development Program of China ; National Science Foundation of China ; Key Research and Development Program of Shaanxi Province ; Research Grants Council of Hong Kong Government ; Hundred Talent Program of the Chinese Academy of Sciences
WOS类目Environmental Sciences
WOS记录号WOS:000459163900048
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10945
专题粉尘与环境研究室
通讯作者Huang, Y (Huang, Yu); Ho, SSH (Ho, Steven Sai Hang)
作者单位1.Chinese Acad Sci, Inst Earth Environm, SKLLQG, KLACP, Xian 710061, Shaanxi, Peoples R China;
2.Chinese Acad Sci, Inst Earth Environm, Shaanxi Key Lab Atmospher & Haze Fog Pollut Preve, Beijing, Peoples R China;
3.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hung Hom, Kowloon, Hong Kong, Peoples R China;
4.Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA
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Huang, Y ,Su, T ,Wang, LQ ,et al. Evaluation and characterization of volatile air toxics indoors in a heavy polluted city of northwestern China in wintertime[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,470-480:470-480.
APA Huang, Y .,Su, T .,Wang, LQ .,Wang, N .,Xue, YG .,...&Ho, SSH .(2019).Evaluation and characterization of volatile air toxics indoors in a heavy polluted city of northwestern China in wintertime.SCIENCE OF THE TOTAL ENVIRONMENT,470-480,470-480.
MLA Huang, Y ,et al."Evaluation and characterization of volatile air toxics indoors in a heavy polluted city of northwestern China in wintertime".SCIENCE OF THE TOTAL ENVIRONMENT 470-480(2019):470-480.
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