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Title: Numerical investigation of VOC levels in the area of petrol stations
Authors: Kountouriotis, Alexandros
Aleiferis, Pavlos G.
Charalambides, Alexandros G. 
Keywords: Fuels
VOC limits
Atmospheric pollution
Occupational health
Petrol station
Issue Date: 2013
Publisher: Elsevier
Source: Science of The Total Environment, 2013, Volumes 470-471, Pages 1205–1224
Abstract: In the area of petrol stations several Volatile Organic Compounds (VOCs) leak into the atmosphere due to the evaporation of liquid fuels, especially of gasoline that is predominantly composed of light hydrocarbons. The aim of the present study is to investigate the spatial distribution of various VOCs when leaked into the atmosphere in the area of a petrol station. The study is based on numerical simulations. The effect of wind speed and direction, as well as of air temperature has been studied. Gasoline components of different properties have been studied (e.g. pentane, iso-octane, o-xylene, toluene, benzene), as well as ethanol that is considered a new fuel blend component that can be found in different fractions in new gasoline blends worldwide. The area of flammable cloud near the source of the leak is investigated for various atmospheric conditions taking into account the lower and higher flammable limits of each compound. Lastly, the exposure to gasoline vapour is studied taking into consideration the recommended occupational exposure limits of various organisations.
ISSN: 0048-9697
DOI: 10.1016/j.scitotenv.2013.10.064
Rights: Copyright © 2013 Elsevier B.V. All rights reserved.
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