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RE: Radon-Stirring the Pot
Ruth,
In this regard, I state that while we assume that risk follows a LNT line,
it is not an exact. I try and explain some of the problems with the
assumptions when I lecture and train individuals: (1) the LNT is an
extrapolation and we do not know what the response is in the extrapolated,
low dose region; (2) the extrapolated risk is based on high doses; (3) the
exposure was delivered in a short time; (4) worker exposures are protracted;
(5) the statement that 25% of the population will get cancer is an estimate;
etc. We try and focus on meeting regulatory limits and using ALARA practices
as good common sense.
In estimating risk from radon, it is obviously worse, as the risk estimates
are based epidemiological studies. And we know accurate they are.
-- John
John Jacobus, MS
Certified Health Physicist
3050 Traymore Lane
Bowie, MD 20715-2024
E-mail: jenday1@email.msn.com (H)
-----Original Message-----
From: RuthWeiner@AOL.COM [mailto:RuthWeiner@AOL.COM]
Sent: Friday, September 20, 2002 8:51 AM
To: slavak@gj.net; radsafe@list.vanderbilt.edu
Subject: Re: Radon-Stirring the Pot
In a message dated 9/19/2002 3:24:45 PM Mountain Daylight Time,
slavak@gj.net
writes:
<< Consequently, anyone making statements such as "radon IS the
second-leading cause of cancer," basing their statement on LNT, is (1) using
LNT in a manner NOT recommended by the radiation protection community, and
(2) making assertions of fact (when they use the word "is" as I did above)
without proof or evidence.
>>
Thank you for ths statement! now if you could oly get EPA and DOE to use
the
LNT appropriately...
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