Hanford cleanup by the numbers

-- 6 of 9 plutonium production reactors cocooned

-- 100 percent of irradiated fuel moved to dry storage

-- 743 buildings demolished

-- 859 waste sites cleaned up

-- 423,000 cubic feet of underground waste removed

-- 10 billion gallons of contaminated groundwater treated

-- 11 of 149 single-shell waste tanks emptied

-- 68 percent of vitrification plant construction completed

Source: DOE

This story was originally published May 10, 2014 at 10:49 PM with the headline "Hanford cleanup by the numbers ."