KTT-iMA Sarl is a French joint venture of KTT Umweltberatung und Software Dr. Kunz GmbH in Saarbrücken (KTT) and iMA Richter&Röckle (iMA) at Freiburg. KTT-iMA is specialized in air pollution measurement and modelling and odour measurement and dispersion modelling. A team of about 10 meteorologists and environmental engineers is working in the fields of air pollution measurements (emissions and immissions), air pollution modelling, odour measurements, odour dispersion modelling, consulting in the field of ISO 14001 impact studies and soil and water pollution, and realisation of computer programs in these domains.