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Background Radiation (Contamination (If unwanted radioactive atoms get…
Background Radiation
Contamination
If unwanted radioactive atoms get onto/into an object, that object is contaminated
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These contaminating atoms might then decay, releasing radiation which can then cause harm
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Gloves and tongs should be used when handling sources, to avoid particles getting stuck to your skin or under your nails
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Irradiation
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Keeping sources in lead lined boxes, standing behind barriers or being in a different room are all ways of reducing the effects of irradiation
Sieverts
the SI unit of dose equivalent (the biological effect of ionizing radiation), equal to an effective dose of a joule of energy per kilogram of recipient mass.
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