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Re: Cr-51 surveys

At 2:23 PM -0000 12/7/98, Debby Steva wrote:
>Dear Radsafe:
>
>Question for other University research settings:  What survey method do
>you recommend
>for users of Cr-51.  If it is a GM with pancake probe, what efficiency
>have you obtained and how did you obtain it?
>Thanks,
>
>D. Steva




eff. Cr51: [(eff. Cd109 + eff. Cs137) / 2] x 10%

for GM probe, eff. of Cr51 is about 0.04%


sx


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