I'll vote rads/h, because if I substitute A=37 000, E=1.25, n=2, and d=1, I get 1.5, which looks a bit high but close enough to the 1.32 R/h at 1 m from a Ci of Co-60, which would be 1.16 rads/h to air.
Bruce Heinmiller CHP
heinmillerb@aecl.ca
----------
From: Ron L. Kathren[SMTP:rkathren@tricity.wsu.edu]
Reply To: radsafe@romulus.ehs.uiuc.edu
Sent: Thursday, September 02, 1999 1:02 AM
To: Multiple recipients of list
Subject: Re: Related Ci to Bq note
Yes, I think so. Can you show me where you seem to be having a problem?
-----Original Message-----
From: Herwig Mandl <H.Mandl@lkasbg.gv.at>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Tuesday, August 31, 1999 1:32 AM
Subject: AW: Related Ci to Bq note
>
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>Are you sure, that the formula below will give "Gray/hour" and not
"Rad/hour"
>Herwig from Salzburg
>
>----------
>Von: Ron L. Kathren
>Gesendet: Montag, 30. August 1999 20:50
>An: Multiple recipients of list
>Betreff: Re: Related Ci to Bq note
>
>The SI equivalent of the 6CE rule was fully discussed on p. 47 of
"Radiation
>Protection", Medical Physics Handbook 16 published in 1985 (!) by Adam
>Hilger Ltd. in conjunction with the Hospital Physicists Association and is:
>
> Gray/hour = 1.6E-5AEn/d^2
>
>where A is the activity in megabequerel, E the photon energy is MeV, n the
>number of phtons per disintegration, and d the distance in meters from the
>point source.
>
>Also given in that book is an equation to convert beta fluence rate to
dose
>and a discussion gamma, the exposure rate constant in terms of SI units.
>