The ECA Steering Committee (coordinated and managed by the JRC/IHCP/PCE Unit) consists of 33 distinguished scientists from 15 EU countries States (plus Norway and Switzerland), WHO and the European Commission. During the 18 years of its operation more than 100 scientists of leading European Institutions have contributed to its activities through their participation in various WGs, prepared and delivered 23 state of the art reports which have been distributed to more than 1400 addresses in Europe and worldwide. Specific actions include preparation and execution of joint scientific projects (e.g. SCAs), performance of Inter-laboratory comparison exercises, organisation of workshops and training courses.

The ECA has helped the activities in the field of indoor air pollution and human exposure and health to achieve a good level of coordination at EU level which is expected to be further enhanced through the EnVIE co-ordination action on "Indoor Air Quality and Health Effects" created under FP6 (DG RTD project no. SSPE-CT-2004-502671). The core group of this 3-years project is composed from ECA members.