Abstract

In addition to urban vehicular traffic, airports have become major contributors of gaseous emissions within many major cities, as the aviation emissions produced from the airports have an effect on the area's air quality. This paper examines the argument that the ground service equipment (GSE) accounts for almost 60% of the total emissions at McCarran International Airport in the Las Vegas, Nevada metropolitan area. Summarized are the results of a preliminary survey that compared the ground service equipment running times with the default times for the same provided in the emissions and dispersion modelling system (EDMS) model. The default values of the GSE engine running times used by EDMS were found to be significantly higher than those observed in the field. The paper recommends that individual airports may wish to conduct an analysis of the actual engine running times of the GSE used at their airports for use as inputs to the EDMS model and also for other air quality studies.

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