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RE: Regulatory Use of EDE vs ED
NRC primary and derived limits are still based on Federal guidance report
#11, which is in turn based mostly on ICRP publication 30 (with a few minor
exceptions).
The NRC does not have a formal rulemaking yet about ICRP 68/72, but
licensees can always ask to use different primary and derived limits with
sufficient justification and basis. I am working on a submission asking for
new DAC ALI and ECL values, using ICRP 68 and 72 as the basis and
justification. This information will be submitted to the regulators for
approval, then, hopefully, -VOILA- new modernized limits.
Charlie Migliore
-----Original Message-----
From: owner-radsafe@list.vanderbilt.edu
[mailto:owner-radsafe@list.vanderbilt.edu] On Behalf Of Daniel Mackney
Sent: Friday, July 05, 2002 7:56 AM
To: alstonchris@netscape.net
Cc: radsafe@list.vanderbilt.edu
Subject: Re: Regulatory Use of EDE vs ED
Not all government agencies in the US apply ICRP26 or 60. OSHA is still back
in ICRP 2/10.
Rad Dan
On Wed, 03 Jul 2002 15:57:28 -0400 alstonchris@netscape.net wrote:
Folks
I was under the impression that governmental agencies, in the USA, were all
still on board with the EDE (cf. ICRP Publication 26). Now comes a posting
to
the Medphys List, by someone at the FDA, which seems to imply that the FDA,
at
least, is already on to the ED (cf. ICRP 60). As you know, the organ dose
weighting factors are not identical, in the two "schemes". The ED weighting
factor for the skin did not even exist in ICRP 26.
So, can anyone elucidate who's doing what, with this, and why? Seems to me
that they should be on the same page, n'est-ce pas? Or am I yet too naive?
Cheers
cja
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