1 Billion gallons of radioactive waste from N Reactor dumped into two open trenches

11-- Number of years after production began for waste to reach groundwater near river

53 Metric tons of weapons grade plutonium produced for U.S. nuclear arsenal over five decades of production.

180 Original estimate for years that it would take contaminated groundwater to reach the Columbia River.

440 -- Billion gallons of contaminated liquid dumped into the soil since the 1940s.

586 Square miles that encompass Hanford Site in Eastern Washington

40,000 Number of people killed in 1945 from the Fat Man bomb dropped on Nagasaki, Japan. Plutonium in the bomb was manufactured at Hanford.

150,000 Number of workers on site when the Manhattan Project was active during World War II.

Read or Share this story: