Re: The Petkau Effect

["J. J. Rozental" <josrozen@netmedia.net.il>]

At 12:47 PM 1/7/98 -0600, you wrote:
>Paul Charp said:
>
>>Radsafers -- I am looking for any information regarding the work of
>>Abram Petgau.  I am not too sure if this is the correct spelling.
>>Apparently, this individual in 1990 discovered "immediate cell damage
>>from very low loses of low lever internal contamination."  The quotes
>>are from a citizen complaint regarding disposal of radioactive waste
>>within a particular area of Denver.
>
>The correct spelling is "Petkau", who worked for the Canadian Atomic Energy
>Laboratories Medical Biophysics Branch.  In the early 70's he studied the
>effect of sodium-22 radiations on "model" cell membranes, which is to say
>not actual biological membranes, but an analogue substitute.  My references
>indicate that the March, '72 issue of the HP Journal contains an article
>pertaining to this study.  
>
>Petkau's work is often trotted out by Ernest Sternglass and his devotees to
>"prove" that low-level radiation is far more damaging than is believed.
>Sterngalss, referring to Petkau said in a May, 1974 NY Times op piece that
>"these studies now explain the earlier findings of surprisingly large
>health effects on human and animal populations exposed to low levels of
>fallout as an indirect chemical effect of radiation on cell membranes
>rather than in terms of direct action to the genes in a nucleus of a cell".
>
>I have all this info on Petkau because someone here tried to use the same
>research against us.  I wonder what Petkau himself has to say about how his
>work has been used in the least 20 years.  One reference I have (authored
>by Petkau) states that "the extension of the sodium-22 data to radioactive
>gasses and liquids, in general, is a gross extrapolation".
>
>Hopes this helps.
>
>
>=======================
>Gary L. Schroeder
>Brookhaven National Laboratory
>Environmental Protection Office
>gs1@bnl.gov
>

================================
Dr. Abram Petkau, a scientist working for the Canadian Atomic Energy
Laboratories in Pinawa, Manitoba. Please GO TO

http://www.ratical.com/radiation/inetSeries/DDafterword.html

Deadly Deceit, Afterword and Methodological Appendix   (look at ref 205)

and:

http://faraday.ee.latrobe.edu.au/~khorsell/radiation/low-level/jhp1972.html

Dose/response can run sometimes backwards?

You will find many references about  Dr. Petkau's work

J. J. Rozental <josrozen@netmedia.net.il>
Israel