5.3. Remained part of Fines
Major problem of fines is the lack of knowledge about their well-defined composition. Analyses have been made by
an independent laboratory to list the problematic components of fines, that is to say, the one which prevent the mix to be
classified as rubble. The aim is to extract these substances in order to let fines been considered as rubble, eligible to class
III: Inert waste, less disposal centre. Substances have been identified as an issue to this cheapest disposal that is to say to prevent fines mineral fraction disposal in class III waste sorting centre. The following table 1 presents these substances and their origin identified considering waste present in sorting centre.