[ RadSafe ] Neutron Generator regulations

Fri Aug 30 12:53:26 CDT 2013

Yes, someone eating lunch next to such a device would have their
priorities altered for them.  But the same would be true for sitting
next to an active x-ray tube.  I wonder if such a device would mess with
wireless signals?

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of
JPreisig at aol.com
Sent: Friday, August 30, 2013 10:44 AM
To: radsafe at health.phys.iit.edu
Subject: Re: [ RadSafe ] Neutron Generator regulations

Radsafe:

     So hopefully someone won't eat their lunch for an  hour right next
to the neutron generator.
Don't know what is going on in Hempland (Northwest USA), but I don't
think Radsafe is getting much Television coverage here in the
Northeastern USA.

    Indeed

In a message dated 8/30/2013 1:16:42 P.M. Eastern Daylight Time,
JAitken at slb.com writes:

Compact,  portable neutron generators (as used in downhole oilfield
applications) are  putting out ~3x 10E+8 of 14 Mev neutrons/sec.
Unshielded, the
(omnidirectional) dose equivalent would be approximately 10mrem/100uSv
per hour at 20  ft

Regards
Doug
________________________________________________________________________
____
_______
Doug  Aitken
QHSE Advisor, Schlumberger D&M Operations Support Cell Phone:
713-562-8585 (alternate e-mail: doug.aitken at slb.com  )
Mail:
Schlumberger, Drilling & Measurements HQ,
300  Schlumberger Drive, MD15,
Sugar Land, Texas  77478

-----Original Message-----
From:  radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Brennan, Mike
(DOH)
Sent: Friday, August 30, 2013 11:12 AM
To: The International  Radiation Protection (Health Physics) MailingList
Subject: Re: [ RadSafe ]  Neutron Generator regulations

While such a thing would almost certainly  get some excited news
coverage when discovered, I suspect it would be  difficult to do much
harm with it.  
You could accomplish as much by doing  the same thing with an x-ray
tube, 
which would be cheaper and easier.   

As for directing the neutron flux, I haven't been paying attention to
that field, but the last time I looked it was more a matter of shielding
in  all but one direction, with the neutrons going the wrong way being
absorbed.

-----Original Message-----
From:  radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu]  On Behalf Of
JPreisig at aol.com
Sent: Thursday, August 29, 2013 10:13  AM
To: radsafe at health.phys.iit.edu
Subject: Re: [ RadSafe ] Neutron  Generator regulations

Radsafe:

Something to  consider about neutron  generators.  If a person is
well-trained in  electronics, and perhaps they  could get their hands on
a neutron generator, then they might possibly be able  to build a
suitcase version  of a neutron generator weapon.  Take the  suitcase to
the location  of 
interest, plug it in and turn it on from afar.   Kind of like  a poor
man's neutron
bomb.  Quite lethal if done   correctly.  It wouldn't explode, but
rather 
would just provide a  neutron  flux density (directed???) and would kill
people and/or other  animals.
I guess security people should be taught to keep an eye out for
suitcases and/or other packages which are plugged in to an electrical
socket.  When one would see such a suitcase or whatever, then one should
move away from the  suitcase.  Safety teams could approach such a
device with a remball, Snoopy, Anderson-Braun detector etc. to see if a
neutron signal is  present.  
The next step to do would probably  be to turn-off local electric
power, and again approach the suitcase  with some caution.  I don't know
if  any of this scenario is  likely.  From what I can remember,
Schlumberger keeps track of it neutron  generators.

Regards,     Joe  Preisig

In a message dated 8/27/2013 4:23:09  P.M. Eastern Daylight Time,
brees at lanl.gov writes:

What are  the  regulations regarding an electronic neutron generator?   
Something  like a D-D fusion type.  It's possible to make one in  a
reasonably well  equipped lab, so if someone did, what licensing and
use regulations would  apply?
Regulations on an x-ray machine are  fairly clear (and they're   MUCH
more
common! - both the  machines, and regs!).
I realize that "standard  radiation dose limits"  would apply, but most
of the regulations I see are  associated with the  Tritium content of a
D-T generator, is there anything  special someone  would have to do if
they made a D-D neutron  generator?

And yes, I  realize that if it was done in a DOE facility  their rules
would  apply.

Thanks in advance!
Brian   Rees
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