In the restricted procedure public tender for the supply of polyethylene, paper and bio-plastic sacks for the collection of urban waste, including the related delivery, in the areas managed by the Hera Group (including AcegasApsAmga), for a tender amount of around Euro annum, with regard to the bio-plastic and paper sacks, certification of 296 compliance of the sacks fit for composting offered with standard UNI EN 13432-2002 has already been requested in the technical specification, certification issued by the certifying Bodies (e.g. Cic-Certiquality; Vincotte; etc.), as laid down by Article 182 ter of Italian Legislative Decree No. 152/2006 as amended and added to, by contrast within the sphere of the 20 points reserved for the technical component, 4 points were reserved for socio/environmental sustainability aspects (possession of OHSAS 18001 certification, possession of ISO 14001 certification for bio-plastic and polyethylene, FSC - Forest Stewardship Council certification for paper).