[DB]

If Plutonium ends up being released in large quantities, look out...

Reactor #3 has Plutonium for fuel. That’s the scary one.

[sefarkas]

That’s the scary one

All light-water-reactor fuel forms Pu — it is an expected product of irradiating the non-fissile Uranium. Typical fuel creates Pu. MOX (a mix of uranium-dioxide and Pu-oxide) starts off with a non-zero amount of Pu. It is normal to burn Pu in a light-water-reactor.