collapsed

Agency Will Fill Collapsed Nuclear Waste Tunnel With Grout
Agency Will Fill Collapsed Nuclear Waste Tunnel With Grout
Agency Will Fill Collapsed Nuclear Waste Tunnel With Grout
RICHLAND (AP) — The U.S. Department of Energy has decided a partially collapsed tunnel containing radioactive waste will be filled with a concrete-like grout. The tunnel is located on the Hanford Nuclear Reservation in Washington state, and contains wastes left over from the production of plutonium for nuclear weapons...