This European Standard specifies a methodology for the determination of the leaching behaviour of a waste or a waste from the extractive industry under specified conditions (i.e. for a specified scenario including a specified time frame) in order to provide a solution to a defined problem. This applies to disposal and recovery scenarios.NOTE 1 Recovery is the term defined in the European Waste Acts [1,3]. It includes re-use and recycling.The external conditions which have a direct influence on the release of constituents from waste are considered. Migration of constituents leached from the disposal or the recovery site into the surrounding environment is no