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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 12, No. 1, 2008, pp. 119-121
Bioline Code: ja08018
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 12, No. 1, 2008, pp. 119-121

 en Determination of Vehicular Pollution in the Road Tunnel of Vana (Haraz Road) in the North of Iran
Zazouli, Mohammad Ali; Jolodar, Abbass Nattaj & Hoseinei, M.

Abstract

The combustion of fuels (gasoline, LPG, diesel oil, and so on ...) in vehicle engines produces a lot of substances and gases. Depending on their concentration, their chemical stability and their adverse effects on environment and human being, the most relevant compounds in the exhaust gas are SO2, CO, NOx, H2S and O3. Traffic is the source of pollution in a road tunnel, It has a harmful impact on Human health .The aim of the study is to analyze the amount of atmospheric pollution emitted by vehicular traffic in the road tunnel of Vana which is situated between the provinces of Tehran and Mazandaran in Iran. The geometric characteristics of the tunnel are: the length (1500 m, the longest tunnel), the height (5.5 m) and the mean slope (3%). It is placed in Haraz road, a geographical situation by the length of 35° 56.6` 42.4`` and the width of 52° 15.28` 33.7``.Traffic is undoubtedly one of the important sources of environmental and air pollution. The concentration of pollutants was measured by Babucr A (a portable device with several sensors) in the nine stations in tunnel. Concentrations were measured after diesels and gasoline car traffic in moment , statistical and within a period of one hour and 8 hours .The results showed that SO2, CO, NO, H2S and O3 were 0.47, 57.13, 3.58, 1.2and 0.13ppm respectively, within a period of 8 hours. And also the difference of monthly results was lower than 1.5%.

 
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