1.   Barnaby reveals three ways of chemically separating the plutonium dioxide from the uranium dioxide in MOX fuel.

2.   If so, plutonium dioxide could be released into the atmosphere and fine particles could be released.

3.   The material is non-weapons-grade plutonium dioxide.

4.   The fuel would be a blend of uranium dioxide and plutonium dioxide that could be used in commercial reactors to generate electricity.