Jean Monnet Center of Excellence at Plovdiv University is the department carrying out the planned project activities. It is founded in 2021 as university center in relation with the implementation of the project Bringing the “hidden integration of Europe” in studying and teaching EU: an optimistic account (BRIHIEU), funded by Erasums+ program. The Jean Monnet Centres of Excellence gather the expertise and competences of high-level experts and aims at developing synergies between the various disciplines and resources in European studies, as well as at creating joint transnational activities and structural links with academic institutions in other countries. It aims to boost the research and teaching in the field of EU studies at the “Paisii Hilendarski” University of Plovdiv, Bulgaria. As part of the 4P-CAN project the centre will apply new technologies in the measurement of radon gas and will apply the developed 4P-CAN method at a living lad in Plovdiv region of Bulgaria.