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Estimate the dose equivalent rate (in mrem/hr) at a distance of 120 cm from a 2Po-B (average energy of 2.5 MeV ) point source that

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Estimate the dose equivalent rate (in mrem/hr) at a distance of 120 cm from a 2Po-B (average energy of 2.5 MeV ) point source that emits 2 x10' neutrons/s and is shielded by 30 cm of water. You can use these values: Enr (water) - 0.103 em from Table 14.5; Martin OSH ~250

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