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Re: Nucl Week on French Acad of Med statement on LNT &"Disinform ation"
According with ICRP recommendation it is implicit that the dose constraint
for optmisation should not exceed 20 mSv in a year - ICRP 60, page 40, (166)
last para.
Jose Julio Rozental
joseroze@netvision.net.il
Israel
----- Original Message -----
From: Jacobus, John (OD/ORS) <jacobusj@ors.od.nih.gov>
To: RadSafe <radsafe@list.vanderbilt.edu>
Sent: Thursday, January 17, 2002 11:28 PM
Subject: RE: Nucl Week on French Acad of Med statement on LNT &"Disinform
ation"
Ben,
I agree, but was commenting on the strange way we word things. There should
be a provision for "planned special exposures" that could exceed 20 mSv/y
limit.
-- John
John Jacobus, MS
Certified Health Physicist
3050 Traymore Lane
Bowie, MD 20715-2024
E-mail: jenday1@email.msn.com (H)
-----Original Message-----
From: Morgan, Ben [mailto:ben.morgan@pgnmail.com]
Sent: Thursday, January 17, 2002 3:36 PM
To: 'Chris Davey'; Jacobus, John (OD/ORS)
Cc: radsafe@list.vanderbilt.edu
Subject: RE: Nucl Week on French Acad of Med statement on LNT & "Disinform
ation"
Greetings:
A 20 mSv/y limit and a 100 mSv over 5 y limit are not necessarily the same
thing. As proposed by ICRP, the limts were 100 mSv over 5 y with no single
year to exceed 50 mSv. This allows for doses above 20 mSv in some years
(nuclear plant maintenance outages, research programs, etc.) to be balanced
out with doses below 20 mSv in other years.
. . .
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