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Evaluation of hazardous airborne carbonyls in five urban roadside dwellings: A comprehensive indoor air assessment in Sri Lanka
Chan, Chi Sing1; Ranasinghe, Ranasinghege Sampath Aravinda2; Ho, Steven Sai Hang3,4,5; Ho, Kin Fai6; Yim, Steve Hung Lam1; Sugathapala, A. G. T.7; Lee, Shun Cheng8; Hung, Wing Tat8; Huang, Yu3; Zhang, Hong4,9
2018-03-01
Source PublicationATMOSPHERIC POLLUTION RESEARCH
Volume9Issue:2Pages:270-277
SubtypeArticle
AbstractIndoor hazardous airborne carbonyls were quantified in five natural-ventilated roadside dwellings in Colombo, Sri Lanka. The total concentrations of all targeted carbonyls ranged from 13.6 to 18.6 mu g/m(3). Formaldehyde (C1) was the most abundant carbonyl, followed by acetaldehyde (C2) and acetone (C3K). The concentrations of C1 and C2 ranged from 3.3 to 8.5 mu g/m(3) and 2.3 to 4.4 mu g/m(3), respectively, which accounted for 23 to 42% and 18 to 26% respectively, to the total quantified carbonyls. The highest carbonyls levels were obtained in the dwelling located in an urban district with a mixture of industrial, commercial and residential areas. Much lower concentrations of carbonyls were measured in a light local traffic value was counted. Moderate correlations between individual combustion markers from vehicular emissions suggest the strong impacts from traffics to the indoor airs. The concentrations of C1 and C2 were compared with international indoor guidelines established by different authorities. A health assessment was conducted by estimation of inhalation cancer risk, implementing the inhalation unit risk values provided by Integrated Risk Information System (IRIS), associated with C1 and C2, which were 6.2 x 10(-5) and 7.7 x 10(-6), respectively. Even though the risks did not reach the action level (1 x 10(-4)), their health impact should not be overlooked. This kick-off indoor monitoring study provides valuable scientific data to the environmental science community since only limit data is available in Sri Lanka.
KeywordCarbonyls Indoor Air Quality Carcinogenic Dwelling Sri Lanka
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.apr.2017.10.002
WOS KeywordVOLATILE ORGANIC-COMPOUNDS ; SICK BUILDING SYNDROME ; CANCER-RISK ASSESSMENT ; AMBIENT AIR ; HONG-KONG ; DIURNAL-VARIATIONS ; SOUTHERN CHINA ; MEXICO-CITY ; LOS-ANGELES ; FORMALDEHYDE
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000429181300009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5214
Collection粉尘与环境研究室
Affiliation1.Chinese Univ Hong Kong, Dept Geog & Resource Management, Shatin, Hong Kong, Peoples R China
2.Minist Environm, Air Resource Management Ctr AirMAC, Battaramulla, Sri Lanka
3.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian 710061, Shaanxi, Peoples R China
4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China
5.Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA
6.Chinese Univ Hong Kong, Jockey Club Sch Publ Hlth & Primary Care, Shatin, Hong Kong, Peoples R China
7.Univ Moratuwa, Dept Mech Engn, Moratuwa, Sri Lanka
8.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Hong Kong, Peoples R China
9.Hong Kong Premium Serv & Res Lab, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Chan, Chi Sing,Ranasinghe, Ranasinghege Sampath Aravinda,Ho, Steven Sai Hang,et al. Evaluation of hazardous airborne carbonyls in five urban roadside dwellings: A comprehensive indoor air assessment in Sri Lanka[J]. ATMOSPHERIC POLLUTION RESEARCH,2018,9(2):270-277.
APA Chan, Chi Sing.,Ranasinghe, Ranasinghege Sampath Aravinda.,Ho, Steven Sai Hang.,Ho, Kin Fai.,Yim, Steve Hung Lam.,...&Zhang, Hong.(2018).Evaluation of hazardous airborne carbonyls in five urban roadside dwellings: A comprehensive indoor air assessment in Sri Lanka.ATMOSPHERIC POLLUTION RESEARCH,9(2),270-277.
MLA Chan, Chi Sing,et al."Evaluation of hazardous airborne carbonyls in five urban roadside dwellings: A comprehensive indoor air assessment in Sri Lanka".ATMOSPHERIC POLLUTION RESEARCH 9.2(2018):270-277.
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