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Emergency responders for radioactive material incidents normally use the inverse square law of radiation to estimate the separation distance from the radioactive source. If a

Emergency responders for radioactive material incidents normally use the inverse square law of radiation to estimate the separation distance from the radioactive source. If a source has an intensity of 3.125 R/min at one foot from the source, solve for the distance in feet to the 5 mR/min boundary. Show your solution, including assumptions.

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