Council Decision on hazardous waste The Council of the European Union has adopted a Decision establishing a list of hazardous waste. The list takes into account the origin and composition of the waste and limits values of concentration. It will be periodically reviewed and revised. The Council of the European Union has adopted a Decision establishing a list of hazardous waste. The list takes into account the origin and composition of the waste and limits values of concentration. It will be periodically reviewed and revised.