Re: Carbon-14

["John R Johnson" <idias@interchange.ubc.ca>]

David

ICRP Publication 71 a 3 exponential function R(t)= 0.18exp(-ln(2)t/5 +
0.81exp(-ln(2)t/60 + 0.01exp(-ln(2)t/tb with the age-specific values of tb
given in ICRP Publication 67. These are 8, 15, 19, 26, 32 and 40 days for
ages 0.25, 1, 5, 10, 15 years and adults respectively.

John

IDIAS, Inc.
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----- Original Message -----
From: Engelbretson, David A. <DEngelbret@tmh.tmc.edu>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Sent: Tuesday, October 24, 2000 2:24 PM
Subject: Carbon-14


> Would anyone know offhand what the biological half-life is for C-14
> (generically)?
>
> Thanks..
>
> David A. Engelbretson
> Radiation Safety Officer
> The Methodist Hospital
> Houston, Texas
>
> Phone: 713-790-4553
> FAX: 713-793-7125
> Pager:  713-790-8762
>
>
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