[ RadSafe ] Sr-90 Question

MCCORMICK, LUKE I luke.mccormick at dhs.gov
Tue Oct 16 09:11:00 CDT 2007

Can anyone tell me about how much Sr-90 I would need to get a reading of
0.5 mR/hr at 1 meter? I know that if you go by the rule of thumb (300
R/hr at 1 cm per mCi) you should need around 330 micro-Curies. Can
anyone tell me how close this estimate is?




Luke McCormick

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