Metrology applications to D&D issues: issues at stake for INSIDER European project Danièle Roudil, Marielle Crozet, Sébastien Picart, Ben Russell, Margarita Herranz, Sven Boden, Paolo Peerani and Laura Aldave De Las Heras EPJ Nuclear Sci. Technol., 6 (2020) 17 Published online: 30 March 2020 DOI: 10.1051/epjn/2019052