Sampling and characterization of resuspended and respirable road dust

Jancsek-Turóczi, Beatrix; Hoffer, András; Nyírő-Kósa, Ilona; Gelencsér, András

doi:10.1016/j.jaerosci.2013.07.006

Cited by 65 publications

(35 citation statements)

References 18 publications

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“…The random occurrence of Ti, in terms of location-and source-dependence is noteworthy, and this aspect requires further investigation. Previous studies have recognized it as a typical component of urban particles (Stechmann and Dannecker, 1990), and also associated with pavement resuspension (Amato et al, 2009;Jancsek-Turóczi et al, 2013).…”

Section: Discussionmentioning

confidence: 99%

Characterization of leaf-level particulate matter for an industrial city using electron microscopy and X-ray microanalysis

Sgrigna

Baldacchini

Esposito

et al. 2016

Science of The Total Environment

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This study reports application of monitoring and characterization protocol for particulate matter (PM) deposited on tree leaves, using Quercus ilex as a case study species. The study area is located in the industrial city of Terni in central Italy, with high PM concentrations. Four trees were selected as representative of distinct pollution environments based on their proximity to a steel factory and a street. Wash off from leaves onto cellulose filters were characterized using scanning electron microscopy and energy dispersive X-ray spectroscopy, inferring the associations between particle sizes, chemical composition, and sampling location.Modeling of particle size distributions showed a tri-modal fingerprint, with the three modes centered at 0.6 (factory related), 1.2 (urban background), and 2.6 μm (traffic related). Chemical detection identified 23 elements abundant in the PM samples. Principal component analysis recognized iron and copper as sourcespecific PM markers, attributed mainly to industrial and heavy traffic pollution respectively. Upscaling these results on leaf area basis provided a useful indicator for strategic evaluation of harmful PM pollutants using tree leaves.

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Section: Discussionmentioning

confidence: 99%

Characterization of leaf-level particulate matter for an industrial city using electron microscopy and X-ray microanalysis

Sgrigna

Baldacchini

Esposito

et al. 2016

Science of The Total Environment

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“…The particles in the natural category were dominated by commonly found earth elements, such as Si, Ca, Al, Mg, Fe, K, S and P. An individual particle was listed as natural where the sum of the percentage weight of its constituent elements exceeded 70%. Previous studies have identified these elements arising from sources such as road dust and soil (Jancsek-Turóczi et al, 2013;Panda and Shiva Nagendra, 2018). Under the vehicle category, 1419 individual particles were classified from the in-front/clear area filter paper and, of those, 903 particles were iron and its oxides, usually found in exhaust and brake and tyre wear from road vehicles (Weerakkody et al, 2018 (González et al, 2017;Mazziotti Tagliani et al, 2017;Weerakkody et al, 2018), of which, Ba, Zn, and Cu have been identified as brake lining emissions in previous studies (Hays et al, 2011;Moreno et al, 2015).…”

Section: Elemental Composition Of Individual Particlesmentioning

confidence: 99%

Field investigations for evaluating green infrastructure effects on air quality in open-road conditions

Abhijith

Kumar

2019

Atmospheric Environment

144

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Many people live, work and spend time during their commute in near-road environments (<50 m) where pollutant concentrations usually remain high. We investigated the influence of roadside green infrastructure (GI) on concentrations of particulate matter ≤10 µm (PM10), ≤2.5 µm (PM2.5), ≤1 µm (PM1), black carbon (BC) and particle number concentrations (PNC) under three GI configurations-(i) hedges only, (ii) trees only, and (iii) a mix of trees and *

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“…17 Dusts in agricultural areas can be distinguished from urban dusts by their metal composition. 16, 18 Urban dusts generally contain higher concentrations of metals emitted from industry and vehicles, 18, 19 whereas agricultural dusts are more enriched in crustal metals. 16 …”

Section: Introductionmentioning

confidence: 99%

Composition and sources of fine particulate matter across urban and rural sites in the Midwestern United States

Kundu

Stone

2014

Environ. Sci.: Processes Impacts

100

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The composition and sources of fine particulate matter (PM2.5) were investigated in rural and urban locations in Iowa, located in the agricultural and industrial Midwestern United States from April 2009 to December 2012. Major chemical contributors to PM2.5 mass were sulfate, nitrate, ammonium, and organic carbon. Non-parametric statistical analyses demonstrated that the two rural sites had significantly enhanced levels of crustal materials (Si, Al) driven by agricultural activities and unpaved roads. Meanwhile, the three urban areas had enhanced levels of secondary aerosol (nitrate, sulfate, and ammonium) and combustion (organic and elemental carbon). The heavily industrialized Davenport site had significantly higher levels of PM2.5 and trace metals (Fe, Pb, Zn), demonstrating the important local impact of industrial point sources on air quality. Sources of PM2.5 were evaluated by the multi-variant positive matrix factorization (PMF) source apportionment model. For each individual site, seven to nine factors were identified: secondary sulfate (accounting for 29–30% of PM2.5), secondary nitrate (17–24%), biomass burning (9–21%), gasoline combustion (6–16), diesel combustion (3–9%), dust (6–11%), industry (0.4–5%) and winter salt (2–6%). Source contributions demonstrated a clear urban enhancement in PM2.5 from gasoline engines (by a factor of 1.14) and diesel engines (by a factor of 2.3), which is significant due to the well-documented negative health impacts of vehicular emissions. This study presents the first source apportionment results from the state of Iowa and is broadly applicable to understanding the differences in anthropogenic and natural sources in the urban-rural continuum of particle air pollution.

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Sampling and characterization of resuspended and respirable road dust

Cited by 65 publications

References 18 publications

Characterization of leaf-level particulate matter for an industrial city using electron microscopy and X-ray microanalysis

Characterization of leaf-level particulate matter for an industrial city using electron microscopy and X-ray microanalysis

Field investigations for evaluating green infrastructure effects on air quality in open-road conditions

Composition and sources of fine particulate matter across urban and rural sites in the Midwestern United States

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