Question: Consider a practically infinitely large pool of waste that only contains a trace amount of Pu- 239. If the concentration of Pu-239 in the waste

Consider a practically infinitely large pool of waste that only contains a trace amount of Pu- 239. If the concentration of Pu-239 in the waste water is 100 ppm (ug/g), what percentage of the water would have to evaporate to make the solution critical? Ignore decay of the Pu-239. Use, for water: absorption 0.332 b, Pu fission = 752 b, absorption 1022b, and nu = 2.88.

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