residual activity definition

residual activity means the assets, rights and liabilities transferred to the Agency under Part 2 of this Act’;
residual activity means radioactivity in structures, materials, soils, groundwater, and other media at a site resulting from activities under the registrant’s control. “Residual radioactivity” includes radioactivity from all registered and unregistered sources used by the registrant and radioactive materials remaining at the site as a result of routine or accidental releases of radioactive material at the site and previous burials at the site. “Residual radioactivity” does not include background radiation.