scholarly journals Nanoparticles in road dust from impervious urban surfaces: distribution, identification, and environmental implications

2016 ◽  
Vol 3 (3) ◽  
pp. 534-544 ◽  
Author(s):  
Yi Yang ◽  
Marina Vance ◽  
Feiyun Tou ◽  
Andrea Tiwari ◽  
Min Liu ◽  
...  
Keyword(s):  
Road Dust ◽  
Urban Environments ◽  
Health Hazards ◽  
Environmental Implications ◽  
Urban Road ◽  
Strong Potential ◽  
Dust Resuspension

Nanoparticles (NPs) resulting from urban road dust resuspension are an understudied class of pollutants in urban environments with strong potential for health hazards.

scholarly journals Use of Black Poplar Leaves for the Biomonitoring of Air Pollution in an Urban Agglomeration

Plants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 548
Author(s):  
Levente Levei ◽  
Oana Cadar ◽  
Vanda Babalau-Fuss ◽  
Eniko Kovacs ◽  
Anamaria Iulia Torok ◽  
...  
Keyword(s):  
Air Pollution ◽  
Metal Pollution ◽  
Principal Component ◽  
Road Dust ◽  
Urban Environments ◽  
Anthropogenic Sources ◽  
Black Poplar ◽  
Dust Resuspension ◽  
Biomonitoring Tool ◽  
Poplar Leaves

Trees are considered to be an effective tool for metal pollution biomonitoring. In the present study, the concentration of metals (Cu, Pb, Zn, Cd, Co, Ni, Fe, Mn, and Al) in black poplar leaves (Populus nigra L.), together with the concentration of PM10, PM2.5, PM1, and total suspended particles (TSP), was used for the air pollution biomonitoring in 12 sites from various areas of Cluj-Napoca city, Romania. The concentration of PM10 in the air was high, but their metal content was low. However, Cu, Pb, and Zn were moderately enriched, while Cd was highly enriched in PM10 due to anthropogenic sources. The average metal concentration in leaves decreased in the order Zn>>Fe>Mn>Al>Pb>Ni>Cu>Co>Cd and increased with the increase of PM10 concentration, indicating that poplar leaves are sensitive to air pollution. The principal component analysis indicated that traffic, waste burning, road dust resuspension, and soil contamination are the main anthropogenic sources of metals in poplar leaves. The results indicated that black poplar leaves are a suitable biomonitoring tool for metal pollution, in urban environments.

Review of pollutants in urban road dust: Part II. Organic contaminants from vehicles and road management

2018 ◽  
Vol 23 (4) ◽  
pp. 445-463 ◽  
Author(s):  
Hyun-Min Hwang ◽  
Matthew J. Fiala ◽  
Terry L. Wade ◽  
Dongjoo Park
Keyword(s):  
Organic Contaminants ◽  
Road Dust ◽  
Urban Road ◽  
Road Management

Photochemical Production of Singlet Oxygen by Urban Road Dust

2018 ◽  
Vol 5 (2) ◽  
pp. 92-97 ◽  
Author(s):  
Chelsea D. Cote ◽  
Stephanie R. Schneider ◽  
Ming Lyu ◽  
Sherry Gao ◽  
Lin Gan ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Road Dust ◽  
Urban Road ◽  
Photochemical Production

scholarly journals Evaluation of Tire Wear Contribution to PM2.5 in Urban Environments

Atmosphere ◽  
2019 ◽  
Vol 10 (2) ◽  
pp. 99 ◽  
Author(s):  
Julie Panko ◽  
Kristen Hitchcock ◽  
Gary Fuller ◽  
David Green
Keyword(s):  
Los Angeles ◽  
Road Dust ◽  
Ambient Air ◽  
Urban Environments ◽  
Exhaust Emission ◽  
Potential Contribution ◽  
Urban Centers ◽  
Vehicle Traffic ◽  
Road Pavement ◽  
Tire Wear

Vehicle-related particulate matter (PM) emissions may arise from both exhaust and non-exhaust mechanisms, such as brake wear, tire wear, and road pavement abrasion, each of which may be emitted directly and indirectly through resuspension of settled road dust. Several researchers have indicated that the proportion of PM2.5 attributable to vehicle traffic will increasingly come from non-exhaust sources. Currently, very little empirical data is available to characterize tire and road wear particles (TRWP) in the PM2.5 fraction. As such, this study was undertaken to quantify TRWP in PM2.5 at roadside locations in urban centers including London, Tokyo and Los Angeles, where vehicle traffic is an important contributor to ambient air PM. The samples were analyzed using validated chemical markers for tire tread polymer based on a pyrolysis technique. Results indicated that TRWP concentrations in the PM2.5 fraction were low, with averages ranging from < 0.004 to 0.10 µg/m3, representing an average contribution to total PM2.5 of 0.27%. The TRWP levels in PM2.5 were significantly different between the three cities, with significant differences between London and Los Angeles and Tokyo and Los Angeles. There was no significant correlation between TRWP in PM2.5 and traffic count. This study provides an initial dataset to understand potential human exposure to airborne TRWP and the potential contribution of this non-exhaust emission source to total PM2.5.

Component-specific toxic concerns of the inhalable fraction of urban road dust

2012 ◽  
Vol 34 (6) ◽  
pp. 689-696 ◽  
Author(s):  
S. Potgieter-Vermaak ◽  
G. Rotondo ◽  
V. Novakovic ◽  
S. Rollins ◽  
R. Van Grieken
Keyword(s):  
Road Dust ◽  
Urban Road

Solid-Phase Speciation of Pb in Urban Road Dust Sediment: A XANES and EXAFS Study

2010 ◽  
Vol 44 (8) ◽  
pp. 2940-2946 ◽  
Author(s):  
Judith E. S. Barrett ◽  
Kevin G. Taylor ◽  
Karen A. Hudson-Edwards ◽  
John M. Charnock
Keyword(s):  
Solid Phase ◽  
Road Dust ◽  
Urban Road ◽  
Exafs Study

The Chemical Composition and Sources of PM10 in Urban Road Dust

2011 ◽  
Vol 71-78 ◽  
pp. 2749-2752 ◽  
Author(s):  
Ya Hong Jia ◽  
Lin Peng ◽  
Ling Mu
Keyword(s):  
Chemical Composition ◽  
Fine Particles ◽  
Road Dust ◽  
Shanxi Province ◽  
Soil Dust ◽  
Cement Dust ◽  
Urban Road ◽  
Chemical Profiles

Samples of road dust were collected in Changzhi, Taiyuan and Jincheng in Shanxi Province, the characteristics of the chemical composition of fine particles (diameter ≤ 10μm)and the chemical profiles of road dust obtained from different cities were analyzed, the "double source apportion" technology was applied to identify the source of road dust . Results show that: the chemical profiles of road dust vary significantly in different regions, however, all contain a high percentage of Si, Ca, Al, TC and OC, with the highest content of Si; Road dust originates mainly from soil dust, smoke and dust from coal and cement dust, and their contributions to road dust are 50%,25% and 15% in Changzhi ,47%,26% and 20% in Taiyuan,48%,21% and 22% in Jincheng, respectively.

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