In the period 13-15.09.2017 the first seminar was held at NIMH, Sofia. It was attended by two scientists from abroad - Prof. Ole Herttel from University of Aarhus, Denmark and Dr. Stefania Gilardoni from Institute of Atmospheric Sciences and Climate at the National Scientific Council of Italy.

The purpose of the seminar was to share the most up-to-date information on good practice and latest achievements in atmospheric deposition measurement and modeling. At the same time, the project objectives, tasks, methodologies and work packages, as well as the preliminary results, were presented, The opportunities for future collaboration were also discussed. According to the agenda, 8 presentations were made, as well as a visit to the Cherni Vrah Synoptic Station. (agenda.pdf)