Except as provided by regulations made by the Secretary of State under this section, nothing in this Part applies to radioactive waste within the meaning of the Schedule 23 to the Environmental Permitting Regulations (radioactive substances activities); but regulations may—
provide for prescribed provisions of this Part to have effect with such modifications as the Secretary of State considers appropriate for the purposes of dealing with such radioactive waste;
make such modifications of the Environmental Permitting Regulations in relation to such radioactive waste, and any Act or other enactment, as the Secretary of State considers appropriate.