Iodine 131

This document details various aspects of Iodine-131 (I¹³¹): 1) its physical, chemical and biological features; 2) its main uses in medicine and industry; 3) its radiation dose rates; 4) its detection; 5) protective measures; 6) delimitation and monitoring of areas where I¹³¹ is used; 7) training and monitoring requirements for handling I¹³¹; 8) the management of waste contaminated with I^13'1; 9) administrative procedure for using I¹³¹; 10) transport and storage of I¹³¹; and 11) what to do in accidental situations implying I¹³¹. This document has been written to be used by practitioners of radiation protection. (A.C.)