Re: I-125 Calc.

[10525JAC@MSU.EDU (JEAN A. CHISNELL)]

>Okay, here are the numbers I cranked out of the current
>ANSI standard for I-125:
>
>170 mRem/hr/Ci at 1 meter
>
>4.605E-5 mSv/hr/MBq at 1 meter (there is that S.I. unit the hour again:)
>
>The above use everything above 10 KeV.  If you just use gamma emissions
>the dose constants are:
>
>36 mRem/hr/ci at 1 meter
>
>9.85E-6 mSv/hr/MBq at 1 meter
>
>
>Again note that the current ANSI standard has different constants
>for different exposure directions.  This was calculated for an A.P.
>exposure direction.
>
>Dale Boyce
>dale@radpro.uchicago.edu