4 trainees coming from INSA Toulouse (France) spent the summer with modelEAU. Julie Cigna and Claire Lutignier improved their knowledge on primary settling as part of the primEAU team. Maxime Pigou worked for the respirEAU project, modelling the data that were obtained with a respirometer. Finally, Marine Tournois was involved in the monEAU project, calibrating the various sensors that are used in the monitoring stations and analyzing the water quality data gathered.