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14 cards from this deck
Low-level radiation always present in environment
High-energy particles from outer space
Naturally radioactive material from rocks and soil
Residual radioactive material from weapons testing/accidents
X-rays and radiation therapy
Sieverts (Sv)
Strongly ionising
Dead skin cells
Hazardous when inside body
Moderately ionising, less than alpha
Can penetrate skin and enter body
Weakly ionising
Can penetrate deep into body and materials
Scientific studies evaluated by experts before publication
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