In the open procedure public tender of Herambiente relating to the materials handling service and operative and post-operative activities for the running of the landfill for non-hazardous waste at Tremonti di Imola and activities for the running of the decommissioned landfills in the Emilia - Emilia North - Florence area for a total tender amount of around Euro points reserved for the technical component, 19 points were assigned to environmental sustainability (environmental impact and age of the vehicles used for the service and ISO 14001 environmental certification), 31 points for social sustainability (accident & injury rate trend, OHSAS 18001 safety certification, number of measures for training on weekly safety, cleaning and sanitation of work clothing in industrial laundries and site visits by the company PPSR) and 10 points for other technical aspects (experience of the personnel).