Workers at the Hanford Nuclear Reservation have started injecting grout into a partially collapsed tunnel that contains radioactive wastes left over from the production of nuclear weapons. The grout ...

Hanford workers pump grout into a port on Tunnel 2. The tunnel is being sealed up so to lessen the risk of collapse that could endanger workers and the public. CREDIT ...

The second Hanford PUREX plant tunnel storing highly radioactive waste has been stabilized to prevent a collapse. Work to fill the tunnel with concrete-like grout began in early October and was ...

The partially collapsed waste-storage tunnel at Hanford has been temporarily covered with heavy plastic and next will be filled with grout to further stabilize it. Beside it runs a longer ...

Washington State's Department of Ecology has launched a 45-day public comment period on whether to allow the US Department of Energy to fill a radioactive waste-containing tunnel at the Hanford site ...

A convoy of trucks has begun this week to fill a Hanford radioactive waste storage tunnel that is at risk of collapse, but a Seattle watchdog group is attempting to halt the work. On Sept. 28, the ...

RICHLAND — The possible collapse of a second Hanford tunnel storing radioactive waste is both more likely than thought a year ago and the effects potentially more severe, according to Hanford ...