You are writing a procedure to characterize 90Sr/90Y contamination in a legacy facility. Gas proportional probes that me

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answerhappygod
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You are writing a procedure to characterize 90Sr/90Y contamination in a legacy facility. Gas proportional probes that me

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You are writing a procedure to characterize90Sr/90Y contamination in a legacy facility.Gas proportional probes that measure 10cm x 15cm will be used toscan floors and walls. The 150 cm2 area probe will bemoved along its 10cm axis. What scan speed must be maintained inorder to meet a total contamination (fixed plus removable) MDA of1000 dpm/100cm2 ? Assume that the detector efficiency is0.35 cpm/dpm and the probe background is 500 cpm. State any otherassumptions and show all calculations.
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