Distributions and health risks of polycyclic aromatic hydrocarbons (PAHs) in atmospheric aerosols of Kuala Lumpur, Malaysia

The concentrations and distributions of particle bound polycyclic aromatic hydrocarbons (PAHs) collected over a 10 month period in ambient environment, at street levels as well as during a hazy episode are reported. Ambient and street level distributions of PAHs were similar and their occurrence was...

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Bibliographic Details
Published in:The Science of the total environment 2006-10, Vol.369 (1), p.76-81
Main Authors: Omar, Nasr Yousef M.J., Mon, Tan Chin, Rahman, Noorsaadah A., Abas, M. Radzi Bin
Format: Article
Language:English
Subjects:
Aerosols
Air Pollutants - analysis
Air pollution
Air. Soil. Water. Waste. Feeding
Applied sciences
Atmospheric pollution
Biological and medical sciences
Cities
Environment. Living conditions
Environmental health risk
Exact sciences and technology
Humans
Malaysia
Medical sciences
PAHs
Particulate matter
Pollutants physicochemistry study: properties, effects, reactions, transport and distribution
Pollution
Polycyclic Aromatic Hydrocarbons - analysis
Public health. Hygiene
Public health. Hygiene-occupational medicine
Risk Assessment
Toxic equivalency factors
Vehicle Emissions
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Summary:The concentrations and distributions of particle bound polycyclic aromatic hydrocarbons (PAHs) collected over a 10 month period in ambient environment, at street levels as well as during a hazy episode are reported. Ambient and street level distributions of PAHs were similar and their occurrence was attributed to vehicular emissions. However, in haze particles, a different pattern of PAHs was observed, characterized by relatively low levels of benzo[ a]pyrene (BaP) and high levels of benzofluoranthenes (BFs). The BaP equivalency results showed that the potential health risk associated with haze smoke particles was 4 times higher than that of street level particles whereas the lowest health risk was associated with ambient atmospheric particles.
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2006.04.032