Nature: Orphaned radiation sources are radioactive scientific or medical material that may have been lost or misplaced. The material presents a hazard because victims may not know that they have been exposed.
Incidence: The Stanford Database on Nuclear Smuggling, Theft and Orphan Radiation Sources (DSTO) lists 107 sources of orphaned radiation.
Problem Type: G: Very specific problems
Date of last update 09.03.2002 – 00:00 CET