• Fuel grade plutonium contains from 7% to less than 19%, and power reactor grade contains 19% or more plutonium-240.
  • Wikipedia: Plutonium
  • The last reactor, N Reactor, continued to operate as a dual-purpose reactor, being both a power reactor used to feed the civilian electrical grid via the Washington Public Power Supply System (WPPSS) and a plutonium production reactor for nuclear weapons.
  • Wikipedia: Hanford Site