Radiation level drops to a safe level

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If the amount of Ir-192 produces 1000 times the safe level of radiation, how long will it be before the radiation level drops to a safe level?

Reference no: EM131409694

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Radiation level drops to a safe level : If the amount of Ir-192 produces 1000 times the safe level of radiation, how long will it be before the radiation level drops to a safe level?
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