Orphan source

Common card · No. 439410

An orphan source is a self-contained radioactive source that is no longer under regulatory control. It is defined by the United States Nuclear Regulatory Commission as: ...a sealed source of radioactive material contained in a small volume—but not radioactively contaminated soils and bulk metals—in any one or more of the following conditions: In an uncontrolled condition that requires removal to protect public health and safety from a radiological threat Controlled or uncontrolled, but for which a responsible party cannot be readily identified Controlled, but the material's continued security cannot be assured. If held by a licensee, the licensee has few or no options for, or is incapable of providing for, the safe disposition of the material In the possession of a person, not licensed to possess the material, who did not seek to possess the material In the possession of a State radiological protection program for the sole purpose of mitigating a radiological threat because the orphan...

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