Institution: | 1. Landesamt fuer Natur, Umwelt und Verbraucherschutz (state office for nature, environment and consumer protection), North Rhine Westphalia, Germany;2. ThyssenKrupp Steel AG, 301 Environmental Affairs, Kaiser-Wilhelm-Str.100, D-47166 Duisburg, Germany;1. Landesamt fuer Natur, Umwelt und Verbraucherschutz (state office for nature, environment and consumer protection), North Rhine Westphalia, Germany;2. ThyssenKrupp Steel AG, 301 Environmental Affairs, Kaiser-Wilhelm-Str.100, D-47166 Duisburg, Germany |