important. the section the region of the old east germany had a number of uranium mines. in this mood then the operator injected thousands of tonnes of self acid into mine tunnels to leach the uranium from the ore deposits. that acid is still underground and continues to extract uranium from the door. to prevent the groundwater being contaminated the bismo team has to pump the water out of the tunnels day and night. these tanks are then used to filter the uranium out of the mine water. instead of being disposed of through radioactive material is sold. in the mid one nine hundred ninety s. that still amounted to six hundred tonnes a year by two thousand and seventeen the figure was just thirty four tons. with nobody uses it in mobile unfortunately perhaps fortunately the quantities of