Definition: Uncontrolled release of radioactive material from its containment. This either threatens to, or does, cause exposure to a radioactive hazard. Such an incident may occur accidentally or deliberately.
for release resulting in disaster, coordinate with DISASTERS; for deliberate release of radioactive material, coordinate RADIOACTIVE HAZARD RELEASE with TERRORISM; specify geographic location; note entry term ACCIDENTS, RADIATION: do not index here for
See AlsoRadiation Injuries ExamplesChernobyl Nuclear Accident