Judgment of the Court (Fifth Chamber) of 17 December 2009.#European Commission v Kingdom of Belgium.#Failure of a Member State to fulfil obligations - Directive 1999/31/EC - Landfilling of waste - Concept of ‘underground storage’, ‘landfill gas’ and ‘eluate’ - Obligation to determine the trigger levels from which it can be considered that the location of the landfill has a significant adverse effect on groundwater quality - Failure to transpose within the prescribed time-limit with regard to the Walloon Region.#Case C-120/09.

ECLI:EU:C:2009:802Eu Chamb 05 CDec 17, 2009