This was then complemented by the adoption on 12 December 2006 of a daughter directive laying down additional technical specifications (Directive 2006/118/EC on the protection of groundwater against pollution and deterioration).
An 12 Nollaig 2006 cuireadh leis seo trí ghlacadh le Treoir a leag síos sonraíochtaí teicniúla breise (Treoir 2006/118/EC ar chosaint screamhuisce i gcoinne truaillithe agus meatha).