Enhanced natural radioactivity in leachate and groundwater of Belgian landfills S. Pepin, B. Dehandschutter, J. Claes, G. Biermans, S. Nootens, L. Sombré, A. Poffijn, C. Escourrou, E. Bietlot and M. Loo Radioprotection, 56 4 (2021) 309-318 Published online: 17 June 2021 DOI: 10.1051/radiopro/2021015