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Issue 9, 2012
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Design and validation of a passive deposition sampler

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A new, passive particle deposition air sampler, called the Einstein–Lioy Deposition Sampler (ELDS), has been developed to fill a gap in passive sampling for near-field particle emissions. The sampler can be configured in several ways: with a protective hood for outdoor sampling, without a protective hood, and as a dust plate. In addition, there is an XRF-ready option that allows for direct sampling onto a filter-mounted XRF cartridge which can be used in conjunction with all configurations. A wind tunnel was designed and constructed to test the performance of different sampler configurations using a test dust with a known particle size distribution. The sampler configurations were also tested versus each other to evaluate whether or not the protective hood would affect the collected particle size distribution. A field study was conducted to test the sampler under actual environmental conditions and to evaluate its ability to collect samples for chemical analysis. Individual experiments for each configuration demonstrated precision of the sampler. The field experiment demonstrated the ability of the sampler to both collect mass and allow for the measurement of an environmental contaminant i.e. Cr6+. The ELDS was demonstrated to be statistically not different for Hooded and Non-Hooded models, compared to each other and the test dust; thus, it can be used indoors and outdoors in a variety of configurations to suit the user's needs.

Graphical abstract: Design and validation of a passive deposition sampler

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Publication details

The article was received on 29 Feb 2012, accepted on 29 May 2012 and first published on 30 May 2012

Article type: Paper
DOI: 10.1039/C2EM30174A
Citation: J. Environ. Monit., 2012,14, 2411-2420
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    Design and validation of a passive deposition sampler

    S. A. Einstein, C. Yu, G. Mainelis, L. C. Chen, C. P. Weisel and P. J. Lioy, J. Environ. Monit., 2012, 14, 2411
    DOI: 10.1039/C2EM30174A

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