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15 cards from this deck
Ionising radiation naturally present in environment
Makes atoms lose/gain electrons, become charged (ionised)
Radiation from space, sun and stars
Radioactive gas from ground, esp. granite areas
Cosmic rays, rocks/soil, radon gas, living things
Medical (X-rays, radiotherapy), nuclear power, weapons tests
Sieverts (Sv) or millisieverts (mSv)
Exposure to radiation from nearby source
Does not make object radioactive
Lead-lined boxes that absorb radiation
Photographic film badges track exposure dose
Radioactive particles on/in object or person
Gloves, tongs, protective suits, proper cleaning/disposal
Irradiation: exposed but not radioactive; Contamination: radioactive particles remain on/in object
Radiographers, nuclear power workers
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