Influence of traffic emissions on the composition of atmospheric particles of different sizes – Part 1: concentrations and elemental characterization

Slezáková, Klára; Pereira, Maria do Carmo; Reis, M.A.; Alvim-Ferraz, M.C.M.

doi:10.1007/s10874-007-9078-6

Cited by 66 publications

(34 citation statements)

References 53 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This is a very unfavourable situation for Radom inhabitants, as it increases health risk connected with inhalation hazard. The concentrations of chromium in PM10 and PM2.5 are comparable to those quoted by other authors for urban areas [19][20][21][22]24].…”

Section: Pm10supporting

confidence: 88%

See 1 more Smart Citation

Seasonal variations in chromium concentration in urban atmospheric aerosol in the city of Radom

Molik

Trojanowska

Łożyńska

et al. 2018

E3S Web of Conferences

View full text Add to dashboard Cite

Abstract. This paper presents seasonal variations in the occurrence of chromium in urban particulate matter (PM). Radom is an interesting area for this type of research due to its typical antiquated heating infrastructure. PM samples of two particulate fractions PM2.5 (particulates ≤ 2.5 μm) and PM10 (particulates ≤ 10 μm) were collected using a Copley cascade impactor Hi-Flow MOUDI Model 130. Chromium was determined in the samples using the GF-AAS technique. The concentration of chromium in PM2.5 was in the range of 0.38 to 3.2 ng/m 3 , whereas in PM10 it ranged from 0.43 to 4.1 ng/m 3 .

show abstract

Section: Pm10supporting

confidence: 88%

“…The determined PM10 and PM2.5 concentrations are typical of urban areas in various parts of the world [19][20][21][22][23][24]. Table 2 shows a comparison of the mean values obtained in this study with the data from other publications.…”

Section: Pm10mentioning

confidence: 60%

Seasonal variations in chromium concentration in urban atmospheric aerosol in the city of Radom

Molik

Trojanowska

Łożyńska

et al. 2018

E3S Web of Conferences

View full text Add to dashboard Cite

show abstract

“…The collection of the different PM fractions was performed using TCR TECORA Bravo H2 constant flow samplers (with flow rate 2.3 m 3 /h) combined with PM 10 and PM 2.5 EN LVS sampling heads in compliance with norm EN12341 [20] and no more than 24 h of sampling by each filter. The parwas used as the mobile phase and different solvent gradient programs were tested to reduce the analysis time while keeping a good resolution of all PAHs studied.…”

Section: Samplingmentioning

confidence: 99%

“…It has been estimated to have a carcinogenic potency that is approximately 100 times that of benzo(a)pyrene [9]. Until now, however, ticles were collected on PTFE membrane filters with 2 lm porosity [20].…”

Section: Introductionmentioning

confidence: 99%

Analysis of polycyclic aromatic hydrocarbons in atmospheric particulate samples by microwave‐assisted extraction and liquid chromatography

Castro

Slezáková

Oliva-Teles

et al. 2009

J of Separation Science

View full text Add to dashboard Cite

A methodology based on microwave-assisted extraction (MAE) and LC with fluorescence detection (FLD) was investigated for the efficient determination of 15 polycyclic aromatic hydrocarbons (PAHs) regarded as priority pollutants by the US Environmental Protection Agency and dibenzo(a,l)pyrene in atmospheric particulate samples. PAHs were successfully extracted from real outdoor particulate matter (PM) samples with recoveries ranging from 81.4 l 8.8 to 112.0 l 1.1%, for all the compounds except for naphthalene (62.3 l 18.0%) and anthracene (67.3 l 5.7%), under the optimum MAE conditions (30.0 mL of ACN for 20 min at 1108C). No clean-up steps were necessary prior to LC analysis. LOQs ranging from 0.0054 ng/m 3 for benzo(a)anthracene to 0.089 ng/m 3 for naphthalene were reached. The validated MAE methodology was applied to the determination of PAHs from a set of real world PM samples collected in Oporto (north of Portugal). The sum of particulate-bound PAHs in outdoor PM ranged from 2.5 and 28 ng/m 3 .

show abstract

“…Although the precise mechanisms of PM health effects are not completely understood (Oeder et al 2012), evidence has shown significant associations between PM properties (chemical and biological components, particle surface area, and reactivity) and its toxicity (Kelly and Fussell 2012;Nemmar et al 2013). Therefore, PM chemical components may have high potential to contribute to PMinduced health effects (Schwarze et al 2006) even though they compose only a small fraction of PM mass (Slezakova et al 2007(Slezakova et al , 2009). Most studies of PM have focused on ambient (outdoor) exposures.…”

Section: Introductionmentioning

confidence: 99%

Trace metals in size-fractionated particulate matter in a Portuguese hospital: exposure risks assessment and comparisons with other countries

Slezáková

Morais

Pereira

2013

Environ Sci Pollut Res

View full text Add to dashboard Cite

Hospitals are considered as a special and important type of indoor public place where air quality has significant impacts on potential health outcomes. Information on indoor air quality of these environments, concerning exposures to partic-ulate matter (PM) and related toxicity, is limited though. This work aims to evaluate risks associated with inhalation exposure to ten toxic metals and chlorine (As, Ni, Cr, Cd, Pb, Mn, Se, Ba, Al, Si, and Cl) in coarse (PM2.5-10) and fine (PM2.5) particles in a Portuguese hospital in comparison with studies representative of other countries. Samples were collected during 1 month in one urban hospital; elemental PM characterization was determined by proton-induced X-ray emission. Noncarcinogenic and carcinogenic risks were assessed according to the methodology provided by the United States Environmental Protection Agency (USEPA; Region III Risk-Based Concentration Table) for three different age categories of hospital personnel (adults, >20, and <65 years) and patients (considering nine different age groups, i.e., children of 1-3 years to seniors of >65 years). The estimated noncarcinogenic risks due to occupational inhalation exposure to PM2.5-bound metals ranged from 5.88×10−6 for Se (adults, 55-64 years) to 9.35×10 −1 for As (adults, 20-24 years) with total noncarcinogenic risks (sum of all metals) above the safe level for all three age categories. As and Cl (the latter due to its high abundances) were the most important contributors (approximately 90 %) to noncarcinogenic risks. For PM2.5-10, noncarcinogenic risks of all metals were acceptable to all age groups. Concerning carcinogenic risks, for Ni and Pb, they were negligible (<1×10 −6 ) in both PM fractions for all age groups of hospital personnel; potential risks were observed for As and Cr with values in PM2.5 exceeding (up to 62 and 5 times, respectively) USEPA guideline across all age groups; for PM2.5-10, increased excess risks of As and Cr were observed particularly for long-term exposures (adults, 55-64 years). Total carcinogenic risks highly (up to 67 times) exceeded the recommended level for all age groups, thus clearly showing that occupational exposure to metals in fine particles pose significant risks. If the extensive working hours of hospital medical staff were considered, the respective noncarcinogenic and carcinogenic risks were increased, the latter for PM2.5 exceeding the USEPA cumulative guideline of 10 . For adult patients, the estimated noncarcinogenic and carcinogenic risks were approximately three times higher than for personnel, with particular concerns observed for children and adolescents.

show abstract

Influence of traffic emissions on the composition of atmospheric particles of different sizes – Part 1: concentrations and elemental characterization

Cited by 66 publications

References 53 publications

Seasonal variations in chromium concentration in urban atmospheric aerosol in the city of Radom

Seasonal variations in chromium concentration in urban atmospheric aerosol in the city of Radom

Analysis of polycyclic aromatic hydrocarbons in atmospheric particulate samples by microwave‐assisted extraction and liquid chromatography

Trace metals in size-fractionated particulate matter in a Portuguese hospital: exposure risks assessment and comparisons with other countries

Contact Info

Product

Resources

About