Imprint
Owner
Federal Commission for Air Hygiene FCAH
 c/o Federal Office for the Environment
 CH-3003 Bern
Web: www.ekl.admin.ch
 E-Mail: info(at)ekl.admin.ch
 Tel.: +41 (0)58 462 47 51
Implementation and programming
Stämpfli AG 
 Wölflistrasse 1
 3001 Bern