Radiation Protection Glossary
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Usually an undesirable situation where
radioactive
material in an
Unsealed Source
(open source) state is present in the working environment, or otherwise un-contained and not required. Contamination can either be loose (easily removed) or fixed. Loose contamination is usually of more concern since intakes of radioactive material through
Inhalation
,
Ingestion
and
Injection
may occur.