Author(s)

M. Kozak & J. Merkisz

Abstract

Automotive air pollution in Poznan from benzene: sources and reduction measures M. Kozak, J . Merkisz Poznan University of Technology, Poland Abstract Over the Copernicus Roundabout in Poznan, which is one of the largest cities in Poland, an automatic measuring system OPSIS has been installed to measure online the concentration of pollutants in the air. The Copernicus Roundabout is located in the city centre, close to the International Poznan Fair and near the main railway station Poznan Central. Five main streets cross here and the traffic congestion here is the greatest in the city. The concentration of benzene and aromatic hydrocarbons taken by OPSIS are at alarmingly high level close to permissible value or even exceeding it. Because of that the Department of Environment Protection of City Council in Poznan decided to create a special team of experts to examine and explain this phenomenon and find all possible solutions. The team's research proved that it is gasoline vehicles that are resp

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