1. University of J. E. Purkyne in Usti nad Labem Faculty of Environment Pasteurova 3632/15 400 96 Usti nad Labem Czech Republic
2. Czech Academy of Sciences Institute of Chemical Process Fundamentals Rozvojova 135/2 160 00 Prague Czech Republic
3. Charles University in Prague Institute of Environmental Studies, Faculty of Science Benatska 2 120 00 Prague Czech Republic
4. VUT in Brno Faculty of Chemistry Purkynova 464 612 00 Brno Czech Republic
5. University of Chemistry and Technology Prague Technicka 5 165 02 Prague 6 Czech Republic