CBRN event in Arkansas, Bauxite area, United States of America on Fri 7th February 2014

Unknown radioactive material was detected inside a truck entering the gate at the Bauxite, Arkansas landfill. After the radiation monitor at the landfill sounded its alarm, health physicists inspected the truck and found the radioactive material, but could not identify the isotope. The material was placed in a plastic bucket in a secure storage room and the most recent radation readings show 20 mR/hr. As of June 20 2014, the material has been identified as a CO56 source, however its origin and how the material went into the public domain remains unknown. This case is considered to be closed according to the Arkansas Department of Health.