sec_4_2__para__5

Information derived from chemical analyses of waste that can be used for the classification of waste should be compositional data. Results from leaching tests — as often obtained from laboratory results in the frame of testing the fulfilment of WAC criteria from the Landfill Directive — are not generally useful for the hazard classification of waste. The only exemption from this principle may be the case of assessing HP 15. In particular, this means that, e.g. if a waste has failed the Inert WAC criteria from the Landfill Directive, it will not be hazardous or respectively non-hazardous automatically. WAC results should not be used as the sole source of information for hazardous waste classification. A WAC analysis is only actually required if 1) the chosen treatment is disposal in a landfill and 2) the class of landfill previously defined by a hazardous or non-hazardous classification requires a numerical WAC test. However, the substances present in the leachate may offer some clues regarding the constituents of the source waste.

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Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.