In this March 6, 2013 file photo, a warning sign is shown attached to a fence at the 'C' Tank Farm at the Hanford Nuclear Reservation.
In this March 6, 2013 file photo, a warning sign is shown attached to a fence at the 'C' Tank Farm at the Hanford Nuclear Reservation. AP
In this March 6, 2013 file photo, a warning sign is shown attached to a fence at the 'C' Tank Farm at the Hanford Nuclear Reservation. AP

5 more Hanford workers checked for vapor exposure

October 02, 2014 6:18 PM