IEECAS OpenIR  > 粉尘与环境研究室
Elemental and morphological analyses of filter tape deposits from a beta attenuation monitor
Watson, JG (Watson, John G.)[1,2]; Chow, JC (Chow, Judith C.)[1,2]; Chen, LWA (Chen, L-W Antony)[1]; Kohl, SD (Kohl, Steven D.)[1]; Casuccio, GS (Casuccio, Gary S.)[3]; Lersch, TL (Lersch, Traci L.)[3]; Langston, R (Langston, Rodney)[4]
2012-03-30
Source PublicationATMOSPHERIC RESEARCH
Volume106Pages:181-189
Subtype期刊论文
Abstract

An hourly average PM10 concentration of 1402 mu g m(-3) was registered at 1400 Pacific Standard Time (PST), 1/11/2007, on the beta attenuation monitor (BAM) at a North Las Vegas, Nevada sampling site. The high PM10 concentration at similar to 1245-similar to 1331 PST was a microscale event, limited strictly to the PM10 sampler; it did not affect the adjacent PM2.5 concentrations. A method was developed for retrospective compositional analysis of BAM glass-fiber filter tape sample deposits. Sample punches were submitted for optical examination, followed by elemental and morphological analyses with X-ray fluorescence (XRF) and scanning electron microscopy (SEM)-energy dispersive X-ray spectroscopy (EDS) analyses, respectively. Geological samples surrounding the sampling site were acquired to establish source profiles and identify source markers. Although blank levels for many elements were high on the glass-fiber filter tape from the BAM, they were consistent enough to allow background subtraction from the deposit concentrations for most chemical components. Chemical mass balance (CMB) receptor model source apportionment for the event closely matched the paved road dust sample collected adjacent to the sampling site. It is likely that this high mass event was the result of environmental vandalism. This study demonstrates the feasibility of analyzing BAM filter tape deposits for source attribution, especially for short-duration fugitive dust events. Filter tapes should be time-stamped and immediately retained after an event for future analysis.

KeywordPm10 Beta Attenuation Monitor X-ray Fluorescence Scanning Electron Microscopy Chemical Mass Balance Receptor Modeling
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10167
Collection粉尘与环境研究室
Corresponding AuthorWatson, JG (Watson, John G.)[1,2]
Affiliation1.Division of Atmospheric Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, Nevada 89512, USA;
2.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Science, 10 Fenghui South Road, Xi'an High-Tech Zone,Xi'an, 710075, China;
3.RJ Lee Group, Inc., Monroeville, Pennsylvania, USA;
4.Department of Air Quality and Environmental Management, Clark County, Las Vegas, Nevada, USA
Recommended Citation
GB/T 7714
Watson, JG ,Chow, JC ,Chen, LWA ,et al. Elemental and morphological analyses of filter tape deposits from a beta attenuation monitor[J]. ATMOSPHERIC RESEARCH,2012,106:181-189.
APA Watson, JG .,Chow, JC .,Chen, LWA .,Kohl, SD .,Casuccio, GS .,...&Langston, R .(2012).Elemental and morphological analyses of filter tape deposits from a beta attenuation monitor.ATMOSPHERIC RESEARCH,106,181-189.
MLA Watson, JG ,et al."Elemental and morphological analyses of filter tape deposits from a beta attenuation monitor".ATMOSPHERIC RESEARCH 106(2012):181-189.
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