Re: Nuclear-powered spacecraft plan feared

["John Johnson" <idias@interchange.ubc.ca>]

Franz



If its the one I remember, it occurred in the seventies. The Pu was Pu-238

and it was spread over a large area in the NW Territories. RP staff from

AECL/CRNL were sent to monitor the levels and only found a slight increase

in the total Pu levels, most of which was PU-239 from fallout.

_______________________

John R Johnson, PhD

idias@interchange.ubc.ca



----- Original Message -----

From: "Franz Schoenhofer" <franz.schoenhofer@CHELLO.AT>

To: "Grimm, Lawrence" <LGrimm@FACNET.UCLA.EDU>; "Radsafe (E-mail)"

<radsafe@list.vanderbilt.edu>

Sent: Thursday, February 06, 2003 2:03 PM

Subject: AW: Nuclear-powered spacecraft plan feared









 -----Ursprüngliche Nachricht-----

Von: owner-radsafe@list.vanderbilt.edu

[mailto:owner-radsafe@list.vanderbilt.edu]  Im Auftrag von Grimm, Lawrence

Gesendet: Donnerstag, 06. Februar 2003 19:34

An: Radsafe (E-mail)

Betreff: RE: Nuclear-powered spacecraft plan feared



Radsafers:



A radsafer sent me the following (slightly edited), and my response to him

follows.  I am seeking your comments/advice on the assumptions I am making

regarding a Pu accident.

--------------------------------------------------------------------



Lawrence and Radsafers,



I would like to remind all of you, that some decades ago, a satellite with a

Pu-238 battery on board was vaporized on its reentry into the atmosphere. So

this could be a good hint to the "hazards" of plutonium batteries from

spacecrafts or satellites. Unfortunately I do not have any literature at

hand, but I think, that some RADSAFErs will remember this event.

One consequence is for sure: In spite of the Pu distributed mankind has not

been exterminated!



Best regards,



Franz







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