This years ÖGG Conference takes place in
Salzburg, Austria, from 10^th until 11^th of October 2007.

Heinz Aigner will do a presentation together with Hannes Gamsjäger about air cleaning systems for urban tunnels. They will talk about possibilities for filtration during the construction of a tunnel to protect workers and residents. In this context the two experts will introduce the project in the Wienerwaldtunnel East, where the new Aigner ECCODust is firstly in use. Also the Aigner ECCO system will be a major topic, which will be discussed on the example of the Madrid M-30 project in Spain.

We are looking forward to this conference and would be pleased with your attendance!