DOI: 10.1016/j.atmosenv.2015.01.077
Scopus记录号: 2-s2.0-84922658644
论文题名: Seasonal effect and source apportionment of polycyclic aromatic hydrocarbons in PM2.5
作者: Khan M ; F ; , Latif M ; T ; , Lim C ; H ; , Amil N ; , Jaafar S ; A ; , Dominick D ; , Mohd Nadzir M ; S ; , Sahani M ; , Tahir N ; M
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 106 起始页码: 178
结束页码: 190
语种: 英语
英文关键词: Health risk
; Monsoon effect
; PAH diagnostic ratio
; Positive matrix factorization
Scopus关键词: Aromatic compounds
; Aromatic hydrocarbons
; Atmospheric thermodynamics
; Coal combustion
; Combustion
; Crude oil
; Dichloromethane
; Extraction
; Factorization
; Fuels
; Gas chromatography
; Health
; Health risks
; Heavy oil production
; Hydrocarbons
; Linear regression
; Mass spectrometry
; Matrix algebra
; Molecular weight
; Phase separation
; Quartz
; Risk assessment
; Fine particulate matter
; Gas chromatography-mass spectroscopies
; Monsoon effect
; Multiple linear regressions
; Pah diagnostic ratios
; Polycyclic aromatic hydrocarbons (PAHS)
; Positive Matrix Factorization
; Solid phase extraction method
; Polycyclic aromatic hydrocarbons
; coal
; dichloromethane
; gasoline
; natural gas
; polycyclic aromatic hydrocarbon
; silicon dioxide
; atmospheric pollution
; carcinogen
; concentration (composition)
; fuel consumption
; health risk
; PAH
; particulate matter
; public health
; seasonality
; suburban area
; air sampler
; air sampling
; airborne particle
; Article
; cancer risk
; carcinogenicity
; combustion
; concentration (parameters)
; health hazard
; lung cancer
; Malaysia
; mass fragmentography
; molecular weight
; particle size
; particulate matter
; priority journal
; risk assessment
; seasonal variation
; solid phase extraction
; ultracentrifugation
; urban area
; Malaysia
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: This study aims to investigate distribution and sources of 16 polycyclic aromatic hydrocarbons (PAHs) bound to fine particulate matter (PM2.5) captured in a semi-urban area in Malaysia during different seasons, and to assess their health risks. PM2.5 samples were collected using a high volume air sampler on quartz filter paper at a flow rate of 1m3min-1 for 24h. PAHs on the filter paper were extracted with dichloromethane (DCM) using an ultrasonic centrifuge solid-phase extraction method and measured by gas chromatography-mass spectroscopy. The results showed that the range of PAHs concentrations in the study period was between 0.21 and 12.08ngm-3. The concentrations of PAHs were higher during the south-west monsoon (0.21-12.08ngm-3) compared to the north-east monsoon (0.68-3.80ngm-3). The high molecular weight (HMW) PAHs (≥5 ring) are significantly prominent (>70%) compared to the low molecular weight (LMW) PAHs (≤4 ring) in PM2.5. The Spearman correlation indicates that the LMW and HMW PAHs correlate strongly among themselves. The diagnostic ratios (DRs) of I[c]P/I[c]P+BgP and B[a]P/B[g]P suggest that the HMW PAHs originated from fuel combustion sources. The source apportionment analysis of PAHs was resolved using DRs-positive matrix factorization (PMF)-multiple linear regression (MLR). The main sources identified were (a) gasoline combustion (65%), (b) diesel and heavy oil combustion (19%) and (c) natural gas and coal burning (15%). The health risk evaluation, by means of the lifetime lung cancer risk (LLCR), showed no potential carcinogenic risk from the airborne BaPeq (which represents total PAHs at the present study area in Malaysia). The seasonal LLCR showed that the carcinogenic risk of total PAHs were two fold higher during south-westerly monsoon compared to north-easterly monsoon. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81882
Appears in Collections: 气候变化事实与影响
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作者单位: Centre for Tropical Climate Change System (IKLIM), Institute for Climate Change, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia; School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia; School of Industrial Technology (Environmental Division), Universiti Sains Malaysia, Penang, Malaysia; Environmental Health and Industrial Safety Program, School of Diagnostic Science and Applied Health, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Jalan Raja Muda Abdul Aziz, Kuala Lumpur, Malaysia; Environmental Research Group, School of Marine Science and Environment, Universiti Malaysia Terengganu, Kuala Terengganu, Terengganu, Malaysia
Recommended Citation:
Khan M,F,, Latif M,et al. Seasonal effect and source apportionment of polycyclic aromatic hydrocarbons in PM2.5[J]. Atmospheric Environment,2015-01-01,106