We also included information on the concrete sector which, with respect to the cement sector, but at any rate deserves to be analyzed in depth in particular with regard to the methodology note co r po r at e su st a in a b il it y a ss u r a n c e st at em en t pe r fo r m a n ce i n d ic at o r s 24 issues related to the management of drainage and of recy- cled waste.