[ RadSafe ] Article by Vincent Giuliano on "Radiation Hormesis"

Victor Anderson victor.anderson at frontier.com
Tue Jan 29 13:59:29 CST 2013

Good Morning,


The evidence for hormesis is certainly there.  I too believe that LNT is no
longer a viable basis for radiation safety.  Being an ex-regulator, for me
the next big question is placing some numerical values on radiation safety
standards.  Given that X Gy of dose will not cause any harm, should that be
the new radiation safety standard?  This brings as least two questions to
mind: 1) Given biological variability, what is a safe upper limit? and 2)
How does the new standard work for different types of radiation, rates
(gy/y, gy/hr?), mode of delivery?  We also need to look at a new unit as the
Sievert and REM were both pegged to probability of death by cancer.  So, if
say 1 cGy of gamma radiation has no risk of cancer, then the risk based dose
is zero (0 cSv).  Suppose there is a region where there is some protective
benefit mixed with some chance of harm?  A fine kettle of fish. The reason I
ask is that the next step is to petition the NRC for a rule change.  The
bigger question is what kind of rule change?  With this is mind, I would
propose an an hoc committee to work on this problem.  Any takers?  If so,
please e-mail me.


Victor Anderson, CHP



-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Scott, Bobby
Sent: Tuesday, January 29, 2013 11:10 AM
To: The International Radiation Protection (Health Physics) MailingList
Cc: Miller, Mark L; Jerry Cuttler; Dobrzynski Ludwik; Payne,Steven S.
Subject: [ RadSafe ] Article by Vincent Giuliano on "Radiation Hormesis"


Hi all,




I came across an interesting 7 September 2012 article on the web by

Vincent Giuliano titled "Radiation Hormesis."  The link for the article









I thought some of you may like to know about the article.




Best wishes,




B. R. Scott


Senior Scientist


Lovelace Respiratory Research Institute


2425 Ridgecrest Drive SE


Albuquerque, NM 87108 USA


Phone: 001-505-348-9470


Fax: 001-505-348-8567


E-mail: bscott at LRRI.org <mailto:bscott at LRRI.org> 









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