PWR circuit contamination assessment tool. Use of OSCAR code for engineering studies at EDF Moez Benfarah, Meddy Zouiter, Thomas Jobert, Frédéric Dacquait, Marie Bultot and Jean-Baptiste Genin EPJ Nuclear Sci. Technol., 2 (2016) 15 Published online: 01 April 2016 DOI: 10.1051/epjn/e2016-50038-4