Author(s)

G.Cosemans, G.Dumont, E.Roekens & J.G. Kretzschmar

Abstract

The Antwerp industrial area has among its industries 5 major oil refineries which have, according to the environmental legislation, to install ambient air quality monitors for SC>2 and NO% If the average ground-level concentrations over the last 24 hours measured in one of these monitoring sites exceeds 300 ^igSC^/m^ or 1 50 (igNOx/m-S, they have to reduce their emissions. The number and siting of these ambient monitoring stations is not specified in the environmental legislation. These questions have been answered by analys- ing existing ambient air quality data from mobile environmental monitoring campaigns and from an automatic air quality monitoring network combined with the modelling results obtained from the

Keywords