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- Title
Fine particulate phase PAHs in ambient atmosphere of Chennai metropolitan city, India.
- Authors
Mohanraj, Rangaswamy; Solaraj, Govindaraj; Dhanakumar, Selvaraj
- Abstract
Background: Airborne fine particulates (PM 2.5) and its associated polycyclic aromatic hydrocarbons (PAHs) are reportedly hazardous in urban environment due to the presence of multiple emission sources. Methods: In this study, fine particulates collected from fourth largest metropolitan city of India, Chennai, were extracted and analyzed for 11 PAHs by high -performance liquid chromatography equipped with a fluorescence detector. Results: PM 2.5 values varied between 27.2 and 190.2 μg/m, while average concentration of particle-associated PAHs determined was in the range from 325.7 to 790.8 ng/m, which signaled an alarming pollution level in Chennai. Conclusions: Factor analysis suggested vehicular emissions inclusive of petrol- and diesel-driven engines as probable sources.
- Subjects
CHENNAI (India); INDIA; POLYCYCLIC aromatic hydrocarbons; URBAN ecology; EMISSIONS (Air pollution); HIGH performance liquid chromatography; DIESEL motor exhaust gas; FACTOR analysis
- Publication
Environmental Science & Pollution Research, 2011, Vol 18, Issue 5, p764
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-010-0423-y