It is important to have a look at the current situation of monitoring to adapt the monitoring system as much as possible to the structures in place and to avoid duplication of work. Several of the EU based legislations require monitoring (e.g., Strategic Environmental Assessment, Clean Air Directive, etc.). Very often, monitoring activities are very dispersed and not linked with each other. It would, however, be very useful if one unit could make use of data collected in another unit. As an example, the monitoring results of the traffic control department could provide useful insights for the health department. The IMS delivers a platform to connect the various data sources