Irradiation and contamination

Radioactive contamination is said to have occurred when there is direct contact with radioactive substances.

Irradiation occurs when a person is exposed to rays from radioactive substances.

If radioactive dust falls onto a person's skin, then the skin is said to have been contaminated. As this radioactive dust emits radiation, it irradiates its surroundings and therefore the contaminated person. Irradiation is therefore a consequence of all contamination.


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