New developments in OHSAS18001 to the new ISO 45001 health and safety certification for Acea Ato 5; the acquisition of ISO 45001 certification for Ecogena; the acquisition of ISO 9001 certification for Acea Ambiente, in addition to the extension of ISO14001 and OHSAS 18001 certifications to the Sabaudia composting plant and ISO 50001 certification at the Terni waste-to-energy plant; ISO 39001 certification “Road traffic safety management system” for Aquaser.