17 November 2011 "The IAEA has received information from the Hungarian Atomic Energy Authority (HAEA) that the source of the iodine-131 (I-131) detected in Europe was most probably a release to the atmosphere from the Institute of Isotopes Ltd., Budapest . The Institute of Isotopes Ltd. produces radioisotopes for healthcare, research and industrial applications. According to the HAEA, the release occurred from September 8 to November 16, 2011 . The cause of the release is under investigation..." il seguito del comunicato stampa dell'Agenzia internazionale per l'energia atomica (AIEA / IAEA).