Article 27 7.

for closed extractive waste facilities, Member States shall, by ►C1  24 November 2025 ◄ , comprehensively review the available permitting files, or other available documentation when permitting files do not exist;

for such extractive waste facilities where available information could indicate the presence of potentially economically recoverable quantities of critical raw materials, Member States shall, by 24 May 2026, also conduct representative geochemical sampling;

for such extractive waste facilities where the activities described under points (a) and (b) of this paragraph have indicated potentially economically recoverable quantities of critical raw materials, Member States shall, by 24 March 2027, also carry out a more detailed sampling with subsequent chemical and mineralogical characterisation involving core logging or equivalent techniques, where this is environmentally sound in accordance with applicable environmental requirements at Union level and with the requirements of Directive 2006/21/EC where relevant.