Unsealed source
Radioactive material that is in a readily dispensable form i.e. neither permanently sealed in a capsule nor incorporated in a solid form. (Adapted from IAEA Glossary, 2016)
ICRP Glossary entry - May 2019
Radioactive material that is in a readily dispensable form i.e. neither permanently sealed in a capsule nor incorporated in a solid form. (Adapted from IAEA Glossary, 2016)
ICRP Glossary entry - May 2019