[ RadSafe ] IBIS Sr-90 source construction

[Franz Schönhofer]

Brian,

It was simply my first impulsive reaction, thinking of what I would  do in a 
similar situation. In principle I have never ever tried to fix any problem 
of the dozen or so measurement devices (gammaspectrometers and LSC counters) 
simply because the manufacturer had to give a guarantee on the functioning 
of the equipment. Anyway they were interested to use my laboratory as a 
reference!
Funny to read again about "angst". I was first confronted with this german 
word by a very nice French couple at an atoll in French Polynesia where I 
spent some time after my work on Mururoa. I came across it a few times 
again. What a great sign that this might be a sign of improving 
international understanding! The big step forward would of course be if the 
USA would introduce the compulsary use of the SI units which seems to be 
used in any developed and undevoleped country or even more radical learning 
of at least one or more foreign languages (not German).

No pun intended this time....

Best regards,

Franz




-----Ursprüngliche Nachricht----- wh
From: Rees, Brian G Best eregareds,

To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] IBIS Sr-90 source construction

Franz,

I figured that someone on this list would know, trying to find out via the 
helicopter manufacturer would be byzantine, at best.

Secondly, that knowledge might help others on the list, since when 
helicopters crash somebody might detect some radiation, and knowing the 
source's properties could save some angst.

Brian

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu 
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Franz Schönhofer
Sent: Tuesday, May 24, 2016 3:13 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] IBIS Sr-90 source construction

What about asking the helicopter manufacturer?????

Franz

-----Ursprüngliche Nachricht-----
From: Rees, Brian G
Sent: Tuesday, May 24, 2016 11:04 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: [ RadSafe ] IBIS Sr-90 source construction

Does anybody on the list know the physical form of Sr-90 sources used in 
helicopter blade pressure indicators?

Specifically, is it strontium titanate, or some other material with a low 
solubility?

Thanks,
Brian Rees
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