Contrary to popular belief, exposure to radiation is not the same as contamination. It is a common misconception that exposure to radiation, in turn, makes someone radioactive. It becomes important then, to understand the differences between irradiation [exposure] and radioactive contamination.
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The Major Differences
- The presence of unwanted – in most cases, potentially hazardous – substances in the body or sample.
- The result of ingestion, inhalation, or deposit of a radioisotope onto the body or the sample’s surface.
- It is not caused by radiation.
- It changes the properties of the affected sample. For example: appearance, texture, and reactions.
- Contaminants can be used as indicators of pollution and/or the presence of impurities.
- The result of ionizing radiation from an external source of radiation being absorbed by part or all of the body or sample.
- External exposure to radiation alone does not cause the body or sample to become either radioactive or contaminated.
- Occurs as a result of internal contamination: the ingestion, inhalation, or absorption of a radionuclide into the blood stream.
- It does not change the taste, texture, appearance, or properties by any significant degree.
- Irradiation has a range of practical and beneficial uses, particularly for medical and industrial applications.
Radiation Hazards with 360training.com
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