During which construction project did 250,000 workers reach their lifetime radiation limits ?
According to a June 2012 Stanford University study by John Ten Hoeve and Mark Z. Jacobson , the radiation released could cause 130 deaths from cancer ( the lower bound for the estimater being 15 and the upper bound 1100 ) and 180 cancer cases ( the lower bound being 24 and the upper bound 1800 ) , mostly in Japan .