temporarily stored for up to one year in salt mines that are adapted for the disposal of mercury, or in deep underground hard rock formations providing a level of safety and confinement equivalent to that of those salt mines;
začasno skladiščenje največ eno leto v rudnikih soli, prilagojenih za odlaganje živega srebra, ali v globokih podzemnih skalnatih formacijah, ki zagotavljajo enakovredno raven varnosti in zaprtosti kot rudniki soli;