A Nordic study has been carried out to develop a methodology for the setting of criteria for acceptance of monolithic waste at landfills in accordance with the requirements in the Council Decision 2003/33/EC, to recommend appropriate methods to test monolithic waste and to propose associated criteria/limit values for acceptance of monolithic waste at landfills. This report contains the main conclusions of the study.The study was financed by the Working Group for products and waste (The PA-group) under the Nordic Council of Ministers.