The licensee provided the following information via email:
Sometime between 03-05-2007 and 03-09-2007, 12
Tritium Exit signs containing approximately 6.2 Ci of
Tritium each were released from Stanford University to the Newby Island Landfill in Milpitas, CA. The
exit signs were reported to have been crushed on a hard surface with a possible release of the
Tritium gas contained in the glass beads in the
exit signs, and then covered with 60 tons of dirt. The
Tritium exit signs are manufactured by the
Isolite Safety Light Corporation in Bloomberg,
PA. Licensee
RSO will contact the
Isolite Safety Light Corporation for more information concerning the
Tritium exit signs and determine if the
Tritium therein was released as a gas, or if any remains after crushing the glass beads that may be water soluble. The General Manager of the Newby Island Landfill was contacted by licensee
RSO.