Vasoactive alteration and inflammation induced by polycyclic aromatic hydrocarbons and trace metals of vehicle exhaust particles

Chlorinated polycyclic aromatic hydrocarbons (ClPAHs) are a group of halogenated contaminants found in the urban environment with a toxic potential similar to dioxins. Little is well-known on the distribution and characteristics of ClPAHs on urban surfaces. In this study, concentrations of 20 ClPAH congeners were measured in road dust and soil from crossroads along arterial traffic, park and lake areas, a chemical industrial complex, waste incineration power plants nearby, and a steel factory in Shanghai. ClPAHs are ubiquitous and log-normally distribute in urban surface with a range from 0.27 to 206 ng/g dw for dust, and with a range from 0.05 to 94.3 ng/g dw for soils. The highest mean concentration of total 20 ClPAHs is found in floor dust from a steel factory. ClPyr and ClPhe are predominant in road dust, which infers that ClPAHs detected in the urban surface dust samples originate from vehicle exhaust.

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Impacts of Coal-Fired Power Plants on Trace Metals and Polycyclic Aromatic Hydrocarbons (PAHs) in Lake Sediments in Central Alberta, Canada

Journal of Paleolimnology ◽

10.1007/s10933-005-7878-8 ◽

2006 ◽

Vol 35 (1) ◽

pp. 111-128 ◽

Cited By ~ 46

Author(s):

W. F. Donahue ◽

E. W. Allen ◽

D. W. Schindler

Keyword(s):

Polycyclic Aromatic Hydrocarbons ◽

Trace Metals ◽

Lake Sediments ◽

Aromatic Hydrocarbons ◽

Power Plants ◽

Polycyclic Aromatic

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Mutagenicity testing of organic extracts of diesel exhaust particles after spiking with polycyclic aromatic hydrocarbons (PAH)

Archives of Toxicology ◽

10.1007/s002040050555 ◽

1998 ◽

Vol 72 (10) ◽

pp. 645-649 ◽

Cited By ~ 14

Author(s):

Elisabet Bostrøm ◽

Solveig Engen ◽

Ingvar Eide

Keyword(s):

Polycyclic Aromatic Hydrocarbons ◽

Aromatic Hydrocarbons ◽

Diesel Exhaust ◽

Diesel Exhaust Particles ◽

Mutagenicity Testing ◽

Organic Extracts ◽

Polycyclic Aromatic ◽

Exhaust Particles

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Estimation of origins of polycyclic aromatic hydrocarbons in size-fractionated road dust in Tokyo with multivariate analysis

Water Science & Technology ◽

10.2166/wst.2005.0588 ◽

2005 ◽

Vol 51 (3-4) ◽

pp. 169-175 ◽

Cited By ~ 21

Author(s):

P. Pengchai ◽

F. Nakajima ◽

H. Furumai

Keyword(s):

Particle Size ◽

Polycyclic Aromatic Hydrocarbons ◽

Aromatic Hydrocarbons ◽

Road Dust ◽

Vehicle Exhaust ◽

Size Fractions ◽

Particle Size Fractions ◽

The Road ◽

Polycyclic Aromatic ◽

Diesel Vehicle

This study aimed to estimate the origins of polycyclic aromatic hydrocarbons (PAHs) in size-fractionated road dust in Tokyo. First, seven categories of PAHs sources were defined: diesel vehicle exhaust, gasoline vehicle exhaust, tire, pavement, asphalt or bitumen, petroleum products excluding tire and asphalt, and combustion products except for those in vehicle engines. The 189 source data of 12-PAHs profiles were classified into 11 groups based on cluster analysis combined with principal component analysis. Next, 18 road dust samples were collected from eight streets in Tokyo and fractionated into four different particle-size-fractions: 0.1–45, 45–106, 106–250, and 250–2,000 μm. In order to estimate the contributions of the classified source groups (S1–S11) to PAHs in the road dust, multiple regression analysis was performed with 12-PAH profile of the road dust as dependent variable and average 12-PAHs profiles of the 11 source groups as 11 explanatory variables. Diesel vehicle exhaust, tire and pavement were the major contributors of PAHs in the fractionated road dust. Although the estimated contributions of the 11 source groups varied among the particle-size-fractions, there was no clear and consistent relationship between particle size and the major PAH contributor.

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