How long must the patient wait to reach the acceptable level

Reference no: EM13491305

A hospital patient has been given 131-I (half-life = 8.04 days) which decays at 6.2 times the acceptable level for exposure to the general public. How long must the patient wait to reach the acceptable level? Assume that the material merely decays and is not excreted.

Reference no: EM13491305

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