In this photo from March 6, 2013, workers labor at the C Tank Farm at the Hanford Nuclear Reservation, near Richland.
In this photo from March 6, 2013, workers labor at the C Tank Farm at the Hanford Nuclear Reservation, near Richland. Ted S. Warren Associated Press file
In this photo from March 6, 2013, workers labor at the C Tank Farm at the Hanford Nuclear Reservation, near Richland. Ted S. Warren Associated Press file

Letter: No one knows for certain what Hanford tank farm workers exposed to

July 06, 2016 2:54 PM