Radiation Protection Glossary
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Sealed Source
With respect to Radiation Protection
, a sealed source is a source of Ionising Radiation
in the form of Radioactive
material which is encapsulated. Sealed radioactive material can not escape and will not cause a Contamination
hazard. Sealed sources are used in irradiators (food, products, blood), and thickness & level gauges. The activity of the sealed source can vary from a few Bq to many 10's of TBq. See Closed Source
for additional definitions and Unsealed Source
for the alternative type of source. Also see HASS
sources.
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