New deadline would delay sending plutonium-contaminated waste off Hanford for 20 years By Annette Cary, Tri-City Herald Published: May 13, 2021, 7:47am Share: In this photo taken July 11, 2016, a sign warns of radioactive material stored underground on the Hanford Nuclear Reservation near Richland, Wash. The U.S. Energy Department"EYs top official at Washington state"EYs severely contaminated nuclear reservation says future accidental nuclear radiation releases are likely because of aging site infrastructure and inadequate cleanup funding. Hundreds were evacuated May 9, ...