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RE: Not using LNT to calculate risk does not mean there is no risk.
Ted,
I may have missed your point. The recommendations of the NCRP are in Report
116, not Report 136. If you look in Report 116, I do not think you will
find a reference to the LNT. You do find references to ALARA, but that is
another issue. In the Nuclear Regulatory Commission regulations, ALARA is
considered, not the LNT.
Report 136 reviews the science behind the dose/dose reponse assumptions at
the low dose and low-dose rates. The only recommendation that I found is
that "more research is needed." What the science suggests is that the
effects follow that LNT, but there certainly may be other relationships.
Based on the studies and analyses considered in Report 136, the LNT appears
to fit the data.
Again, this is separate from the regulations which should be based on risk
v. benefits. When you try to control doses below 100 mrem/y (1 mSv/a), that
is where the problem lies.
Personally, I believe that the anti-nuclear forces misuse the LNT to try and
make the regulations more restrictive than they have to be.
-- John
John P. Jacobus, MS
Certified Health Physicist
e-mail: jenday1@msn.com
The comments presented are mine and do not reflect the opinion of my
employer or spouse.
------------------------------------
-----Original Message-----
From: Ted de Castro [mailto:tdc@xrayted.com]
Sent: Thursday, January 02, 2003 10:23 AM
To: Jacobus, John (NIH/OD/ORS)
Cc: 'Jerry Cohen'; 'Ted Rockwell'; BLHamrick@AOL.COM; John Cameron;
radsafe@list.vanderbilt.edu
Subject: Re: Not using LNT to calculate risk does not mean there is no
risk.
John P. Jacobus wrote:
> I just do not think that the science surrounding low-dose and low-dose
rate effects is the > problem as much as the implementation of the science.
Strange comment in this context!
If the NCRP recommendations which you are so strongly defending are not
"implementations of the science" - then what are they?
If they are - then you are simply saying the same thing many of us are.
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