We present the results of a dispersion-modelling study of SO2 concentr
ations in Gebze, Turkey, Point and area sources were investigated and
SO2 emissions were compiled, Emissions, meteorological and topographic
al data were loaded on the USEPA-approved ISCLT model to predict winte
r average SO2 contributions to the air quality over Gebze. The effects
of fuel-change options on these contributions were investigated.