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Title

POLYCYCLIC AROMATIC HYDROCARBON CONTAMINATION LEVELS IN COLLECTED SAMPLES FROM

Pages

 Start Page 47 | End Page 52

Abstract

 Tehran as the biggest city of Iran with a population of more than 10 millions has potentially high pollutant exposures of gas oil and gasoline combustion from vehicles that are commuting in the HIGHWAYs every day. The VEHICLE EXHAUSTS contain POLYCYCLIC AROMATIC HYDROCARBONS, which are produced by incomplete combustion and can be directly deposited in the environment. In the present study, the presence of POLYCYCLIC AROMATIC HYDROCARBONS contamination in the collected samples of a western HIGHWAY in Tehran was investigated. The studied location was a busy HIGHWAY in Tehran. High performance liquid chromatography equipped with florescence detector was used for determination of POLYCYCLIC AROMATIC HYDROCARBONS concentrations in the studied samples. Total concentration of the ten studied POLYCYCLIC AROMATIC HYDROCARBONS compounds ranged from 11107 to 24342 ng/g dry weight in the DUST samples and increased from 164 to 2886 ng/g dry weight in the soil samples taken from 300 m and middle of the HIGHWAY, respectively. Also the average of Σ PAHs was 1759 ng/L in the water samples of pools in parks near the HIGHWAY. The obtained results indicated that POLYCYCLIC AROMATIC HYDROCARBONS contamination levels were very high in the vicinity of the HIGHWAY.

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