857-13720 - Control Rod Room at the K Reactor which has been shut down, but is going to be used in the near future to store excess plutonium. The four barrels are empty and are being used for training purposes.
857-13851 - Plutonium button Plutonium metal button at Rocky Flats, CO. It consists on 98 percent plutonium and the rest other metals. Terri Coleman is the process specialist who is holding the button and using a brush to clean off oxide.