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Title: Investigations of VOCs in and around buildings close to service stations
Authors: Hicklin, William
Farrugia, Pierre-Sandre
Sinagra, Emmanuel
Keywords: Volatile organic compounds
Service stations -- Sanitation
Air quality
Indoor air quality
Issue Date: 2017
Publisher: Pergamon Press
Citation: Hicklin, W., Farrugia, P. S. & Sinagra, E. (2017). Investigations of VOCs in and around buildings close to service stations. Atmospheric Environment, 172, 93-101.
Abstract: Gas service stations are one of the major sources of volatile organic compounds in urban environments. Their emissions are expected not only to affect the ambient air quality but also that in any nearby buildings. This is particularly the case in Malta where most service stations have been built within residential zones. For this reason, it is important to understand the dispersion of volatile organic compounds (VOCs) from service stations and their infiltration into nearby residences. Two models were considered; one to predict the dispersion of VOCs in the outdoor environment in the vicinity of the service station and another one to predict the filtration of the compounds indoors. The two models can be used in tandem to predict the concentration of indoor VOCs that originate from a service station in the vicinity. Outdoor and indoor concentrations of VOCs around a service station located in a street canyon were measured, and the results used to validate the models. Predictions made using the models were found to be in general agreement with the measured concentrations of the pollutants.
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