Radiation

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TL0001

Radioactive waste is radioactive material for which no further use is foreseen but still contains, or is contaminated with, radionuclides. Radioactive waste can be in gas, liquid or solid form (IAEA, 2018). It may remain radioactive from a few hours to hundreds of thousands of years.

N.B. For regulatory purposes radioactive waste is defined as material with activity concentrations greater than the clearance levels set by the regulatory authority (IAEA 2018).

TL0002
A substance or a material emitting, or related to the emission of, ionising radiation (either in the form of electromagnetic waves or particle radiation) is radioactive (IAEA, 2018).

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