Re: Risks of low level radiation - New Scientist Article

[maury <maury@WEBTEXAS.COM>]

For one, thanks for taking the trouble to provide the instructive details. I

appreciate the access to data rather than imaginative rhetoric and wishful

thinking,

Sincerely,

Maury Siskel         maury@webtexas.com

=================================================

Philippe Duport wrote:



> Re Norm Cohen on PNAS (paper full ref : Zhou et al. Radiation risk to low

> fluencies of alpha particles may be greater than we thought, PNAS

> 98(14410-14415, Dec 4 2001)

>

> Otto Raabe is right.  There is no indication of supra-linearity at low

> dose - or dose rates of alpha radiation. Otto mentioned the radium dial

> painters. There are also thresholds at about 2 Gy (40,000 mSv) in Thorotrats



----------------------  snipped ----------



> of error into account are welcome.

>

> Sorry for giving so many details!

>

> Philippe Duport

> International Centre for Low Dose Radiation Research

> University of Ottawa

> 555 King Edward Ave.

> Ottawa, ON, Canada, K1N 6N5

> Tel: (613) 562 5800, ext. 1270

> pduport@uottawa.ca

>

> ----- Original Message -----

> From: "Otto G. Raabe" <ograabe@UCDAVIS.EDU>

> To: "Norman Cohen" <ncohen12@HOME.COM>; <radsafe@list.vanderbilt.edu>

> -----------------  snipped  ------------

> > Don't waste your time reading this New Scientist Article.

> >

> > The fact that high LET alpha radiation can produce unique multiple

> > double-strand DNA lesions and the existence of bystander effects do not

> > imply anything about elevated risk. Cancer from alpha radiation is

> -----------------  snipped  --------------------

> > Prof. Otto G. Raabe, Ph.D., CHP

> > Center for Health & the Environment

> > (Street Address: Bldg. 3792, Old Davis Road)



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