After years of controversy surrounding a project to construct a non-hazardous special waste disposal site at the disused Cascina Borio quarry in Sezzadio (Alessandria), Angelo Riccoboni, in his first interview with the newspaper La Stampa di Alessandria, conducted by Piero Bottino and Paola Italiano and published in its 28 January 2020 edition, responded to all of the objections that have been voiced.