[ RadSafe ] [Caution: Message contains Suspicious URL content] RadSafe Digest, Vol 1336, Issue 1
George Chabot
george_chabot at uml.edu
Fri Jul 5 12:27:51 CDT 2013
Re. Hankins use of the 9"/3" sphere ratio, you can find his discussion of
this in a 1973 LASL Report LA-5261, A Small Inexpensive Albedo Neutron
Dosimeter available online at this link:
http://www.osti.gov/bridge/servlets/purl/4456142-N3lRpf/4456142.pdf
George Chabot
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of DORAN, GERARD A
Sent: Wednesday, July 03, 2013 1:36 PM
To: radsafe at health.phys.iit.edu
Subject: Re: [ RadSafe ] [Caution: Message contains Suspicious URL content]
RadSafe Digest, Vol 1336, Issue 1
I am in search of neutron energy evaluation information related to the use
of 9" to 3" Bonner sphere ratios (not multi-spheres, only these two). The
ratios are used in NUREG/CR-1204, "The Design and Construction of a D2O
Moderated CF-252 Source for Calibrating Neutron Personnel Dosimeters Used at
Nuclear Power Reactors". I believe they are from documentation produced by
Dale E. Hankins (probably from late 60's early 70's) that may have been
published in a few locations during that period. If anyone has an
electronic reference or document, or information related to how to obtain
the documentation please send it my way.
It is tough sometimes to get back to bedrock when so many days have gone by.
Any help is appreciated.
Thank You,
Gerry Doran, CHP
Arkansas Nuclear One
-----Original Message-----
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Sent: Wednesday, July 03, 2013 12:00 PM
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Subject: [Caution: Message contains Suspicious URL content] RadSafe Digest,
Vol 1336, Issue 1
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Thanks!_______________________________________________
Today's Topics:
1. Re: [New post] Strange thyroid cysts in 30% ofFukushima
children (Brennan, Mike (DOH))
2. Re: Reactor stuff (Brennan, Mike (DOH))
3. Re: [New post] Strange thyroid cysts in 30% ofFukushima
children (John R Johnson)
4. Re: Reactor stuff (Dimiter Popoff)
5. Re: Reactor stuff (Jim Darrough)
6. Re: Fwd: [New post] Radiation-caused deaths from Chernobyl
nuclear accident (Mohan Doss)
7. Re: Request for Assistance (Otto G. Raabe)
8. Re: Request for Assistance (Jim Hardeman)
9. Re: Request for Assistance (Jim Hardeman)
10. Re: Request for Assistance (Richard Gallego)
11. Re: Request for Assistance (Brennan, Mike (DOH))
12. Re: Request for Assistance (Jeremy Nicoll)
13. Re: Request for Assistance (Dahlskog, Leif)
14. Re: Request for Assistance (Dlawrencenewyork)
15. Re: Request for Assistance (dlawrencenewyork at aol.com)
16. Re: Request for Assistance (dlawrencenewyork at aol.com)
17. Re: Request for Assistance (Doug Aitken)
----------------------------------------------------------------------
Message: 1
Date: Tue, 2 Jul 2013 10:23:23 -0700
From: "Brennan, Mike (DOH)" <Mike.Brennan at DOH.WA.GOV>
Subject: Re: [ RadSafe ] [New post] Strange thyroid cysts in 30%
ofFukushima children
To: "The International Radiation Protection (Health Physics)
MailingList" <radsafe at health.phys.iit.edu>
Message-ID:
<37C41083D3480E4BBB478317773B845D0C8AAE23 at dohmxtum31.doh.wa.lcl>
Content-Type: text/plain; charset="us-ascii"
"Accumulated I-131 might have changed the structure of the thyroid."
How does I-131 accumulate without an ongoing source? Yes, it increases
in the thyroid for some time after exposure starts, but if new I-131
does not continue coming into the system decay predominates and the
amount decreases.
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Roger Helbig
Sent: Saturday, June 29, 2013 2:39 AM
To: RADSAFE
Subject: Re: [ RadSafe ] [New post] Strange thyroid cysts in 30%
ofFukushima children
Latest in the claims - they know that no one can disprove the lies -
they will never release enough information to determine that!
Roger Helbig
Strange thyroid cysts in 30% of Fukushima children
by Christina MacPherson
Former head doctor of National Cancer Center,"Thyroids of Fukushima
children look like honeycomb from too much cysts"
http://fukushima-diary.com/2013/06/former-head-doctor-of-national-cancer
-centerthyroids-of-fukushima-children-look-like-honeycomb-from-too-much-
cysts/
by Mochizuki on June 28th, 2013
On 3/10/2013, the former head doctor of National Cancer Center radiation
diagnosis department, Matsue had a speech in Fukushima collaborative
clinic. (There were some political opinions about this clinic but
Fukushima Diary stays away from any kinds of the discussion, only
focuses on the medical facts newly found.)
Dr. Matsue is the chief of this clinic. He stated thyroids of Fukushima
children have countless numbers of cysts to look like honeycomb.
<Translate>
(In the thyroid test of Fukushima children) Shockingly about 30% of the
children have thyroid cysts. It was also 35% from Fukushima prefectural
government's test. Prefectural government's test probably misses small
cysts of 1~2mm because their test is too quick, but the cysts rate was
almost the same. However, <Translate>
Countless numbers of small cysts were found in the thyroids of about
half of those 30% children, which is not reported in the prefectural
government's test. I thought it was like "honeycomb", I have never seen
such a thing.
Recently, a clinic in Kobe tested the thyroid of the children who
evacuated from Fukushima..
The doctor in Kobe also reported about the "honeycomb looking thyroids".
What the world is that ? It's no less than the half of the thyroids. The
half-life of I-131 is 8 days, but it's not strange if it causes any
thyroid abnormality. Rationally thinking, it has something to do with
radiation. <Translate>
"Accumulated I-131 might have changed the structure of the thyroid."
http://togetter.com/li/481810?page=1
Christina MacPherson | June 29, 2013 at 8:34 am | Categories:
Fukushima 2013, health, Japan | URL: http://wp.me/phgse-dLu
http://nuclear-news.net/2013/06/29/strange-thyroid-cysts-in-30-of-fukush
ima-children/
_______________________________________________
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------------------------------
Message: 2
Date: Tue, 2 Jul 2013 10:32:46 -0700
From: "Brennan, Mike (DOH)" <Mike.Brennan at DOH.WA.GOV>
Subject: Re: [ RadSafe ] Reactor stuff
To: "The International Radiation Protection (Health Physics)
MailingList" <radsafe at health.phys.iit.edu>
Message-ID:
<37C41083D3480E4BBB478317773B845D0C8AAE53 at dohmxtum31.doh.wa.lcl>
Content-Type: text/plain; charset="us-ascii"
While I am a fan of modular reactors for a number of applications, I am
not at all in favor of providing them to most African nations. High
tech, capital intensive, centralized power is not appropriate for most
of the continent.
Although Africa has a wide range of environments, much of it receives a
lot of sunlight. Solar-thermal and small-scale photovoltaic would be
more useful to the populace, and less vulnerable to disruption than
centralized power systems.
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Dimiter Popoff
Sent: Tuesday, July 02, 2013 7:39 AM
To: radsafe at health.phys.iit.edu
Subject: Re: [ RadSafe ] Reactor stuff
Small scale power source diversity certainly looks attractive,
especially if one has postcatastrophic nightmares. Which most of us
probably have - for example, I did not think I had any but recently I
began considering - almost seriously - the idea for autonomous power for
a small house. Not that we have many blackouts or something....
I was (I suppose I still am) thinking of a steam engine, something like
10-20kW. Would burn anything, not too noisy.
One thought lead to another so here is a question:
Would it be feasible to boil the water for it using some plutonium (or
whatever) thing, sort of like those used with Peltier conversion on
satellites?
(I am really illiterate on that, I just know how to measure spectra when
it comes to "radiation"). Now clearly nobody would let me have my
plutonium thingie in my yard, that much I do know :-).
So until the catastrophy takes effect I will run the steam engine on
wood, cole, oil... after that we'll see :D .
Dimiter
------------------------------------------------------
Dimiter Popoff Transgalactic Instruments
http://www.tgi-sci.com
------------------------------------------------------
http://www.flickr.com/photos/didi_tgi/sets/72157600228621276/
>From: "Olsson Mattias :MSO" <mso at forsmark.vattenfall.se>
>To: "The International Radiation Protection (Health Physics) Mailing
List"
> <radsafe at health.phys.iit.edu>
>Date: Tue, 2 Jul 2013 11:09:40 +0000
>
>Hi all,
>
>Just curious: have they built one of these modular reactors yet? Even
>as a = prototype? That would make some interesting reading.
>
>Mattias Olsson
>
>
>-----Ursprungligt meddelande-----
>Fr=E5n: radsafe-bounces at health.phys.iit.edu
>[mailto:radsafe-bounces at health.= phys.iit.edu] F=F6r Jim Darrough
>Skickat: den 1 juli 2013 21:14
>Till: 'The International Radiation Protection (Health Physics) Mailing
List'
>=C4mne: Re: [ RadSafe ] Reactor stuff
>
>NuScale makes these babies. I'd love to see them dotted all over rural
>area= s.
>
>http://www.nuscalepower.com/
>
>Regards, Jim Darrough
>
>
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood
the RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings
visit: http://health.phys.iit.edu
------------------------------
Message: 3
Date: Tue, 2 Jul 2013 10:35:56 -0700
From: John R Johnson <idiasjrj at gmail.com>
Subject: Re: [ RadSafe ] [New post] Strange thyroid cysts in 30%
ofFukushima children
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at health.phys.iit.edu>
Message-ID:
<CAJ-ykueiOdvwg_6LfJd=WUQzpJW7pENnxe8J6R+M5x+6W5COAQ at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Maybe all Japanese kids have "Strange thyroid cysts. Have anybody look at
what the background is?
J. R. Johnson
On Tue, Jul 2, 2013 at 10:23 AM, Brennan, Mike (DOH) <
Mike.Brennan at doh.wa.gov> wrote:
> "Accumulated I-131 might have changed the structure of the thyroid."
>
> How does I-131 accumulate without an ongoing source? Yes, it increases
> in the thyroid for some time after exposure starts, but if new I-131
> does not continue coming into the system decay predominates and the
> amount decreases.
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Roger Helbig
> Sent: Saturday, June 29, 2013 2:39 AM
> To: RADSAFE
> Subject: Re: [ RadSafe ] [New post] Strange thyroid cysts in 30%
> ofFukushima children
>
> Latest in the claims - they know that no one can disprove the lies -
> they will never release enough information to determine that!
> Roger Helbig
>
>
> Strange thyroid cysts in 30% of Fukushima children
>
> by Christina MacPherson
>
> Former head doctor of National Cancer Center,"Thyroids of Fukushima
> children look like honeycomb from too much cysts"
> http://fukushima-diary.com/2013/06/former-head-doctor-of-national-cancer
> -centerthyroids-of-fukushima-children-look-like-honeycomb-from-too-much-
> cysts/
> by Mochizuki on June 28th, 2013
>
> On 3/10/2013, the former head doctor of National Cancer Center radiation
> diagnosis department, Matsue had a speech in Fukushima collaborative
> clinic. (There were some political opinions about this clinic but
> Fukushima Diary stays away from any kinds of the discussion, only
> focuses on the medical facts newly found.)
>
> Dr. Matsue is the chief of this clinic. He stated thyroids of Fukushima
> children have countless numbers of cysts to look like honeycomb.
> <Translate>
>
> (In the thyroid test of Fukushima children) Shockingly about 30% of the
> children have thyroid cysts. It was also 35% from Fukushima prefectural
> government's test. Prefectural government's test probably misses small
> cysts of 1~2mm because their test is too quick, but the cysts rate was
> almost the same. However, <Translate>
>
> Countless numbers of small cysts were found in the thyroids of about
> half of those 30% children, which is not reported in the prefectural
> government's test. I thought it was like "honeycomb", I have never seen
> such a thing.
>
> Recently, a clinic in Kobe tested the thyroid of the children who
> evacuated from Fukushima..
>
> The doctor in Kobe also reported about the "honeycomb looking thyroids".
> What the world is that ? It's no less than the half of the thyroids. The
> half-life of I-131 is 8 days, but it's not strange if it causes any
> thyroid abnormality. Rationally thinking, it has something to do with
> radiation. <Translate>
>
> "Accumulated I-131 might have changed the structure of the thyroid."
> http://togetter.com/li/481810?page=1
>
> Christina MacPherson | June 29, 2013 at 8:34 am | Categories:
> Fukushima 2013, health, Japan | URL: http://wp.me/phgse-dLu
>
> http://nuclear-news.net/2013/06/29/strange-thyroid-cysts-in-30-of-fukush
> ima-children/
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
> the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
> the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>
------------------------------
Message: 4
Date: Tue, 2 Jul 2013 20:51:56 +0300
From: Dimiter Popoff <didi at tgi-sci.com>
Subject: Re: [ RadSafe ] Reactor stuff
To: <radsafe at health.phys.iit.edu>
Message-ID: <51D3147A-3F-955979C6 at vnu.tgi-sci.com>
I agree with the argument about African nations, plenty of sunlight
there.
But for places with a harsh winter (like where I am) and a summer
lasting just 3-4 months they should be accessible. Well, until they
get that far we'll stick to in-yard steam-engines, I suppose :-).
Dimiter
------------------------------------------------------
Dimiter Popoff Transgalactic Instruments
http://www.tgi-sci.com
------------------------------------------------------
http://www.flickr.com/photos/didi_tgi/sets/72157600228621276/
>From: "Brennan, Mike (DOH)" <Mike.Brennan at DOH.WA.GOV>
>To: "The International Radiation Protection (Health Physics) MailingList"
> <radsafe at health.phys.iit.edu>
>Subject: Re: [ RadSafe ] Reactor stuff
>Date: Tue, 2 Jul 2013 10:32:46 -0700
>
>While I am a fan of modular reactors for a number of applications, I am
>not at all in favor of providing them to most African nations. High
>tech, capital intensive, centralized power is not appropriate for most
>of the continent.
>
>Although Africa has a wide range of environments, much of it receives a
>lot of sunlight. Solar-thermal and small-scale photovoltaic would be
>more useful to the populace, and less vulnerable to disruption than
>centralized power systems.
>
>-----Original Message-----
>From: radsafe-bounces at health.phys.iit.edu
>[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Dimiter Popoff
>Sent: Tuesday, July 02, 2013 7:39 AM
>To: radsafe at health.phys.iit.edu
>Subject: Re: [ RadSafe ] Reactor stuff
>
>Small scale power source diversity certainly looks attractive,
>especially if one has postcatastrophic nightmares. Which most of us
>probably have - for example, I did not think I had any but recently I
>began considering - almost seriously - the idea for autonomous power for
>a small house. Not that we have many blackouts or something....
>
>I was (I suppose I still am) thinking of a steam engine, something like
>10-20kW. Would burn anything, not too noisy.
>
>One thought lead to another so here is a question:
>
>Would it be feasible to boil the water for it using some plutonium (or
>whatever) thing, sort of like those used with Peltier conversion on
>satellites?
>(I am really illiterate on that, I just know how to measure spectra when
>it comes to "radiation"). Now clearly nobody would let me have my
>plutonium thingie in my yard, that much I do know :-).
>So until the catastrophy takes effect I will run the steam engine on
>wood, cole, oil... after that we'll see :D .
>
>Dimiter
>
>------------------------------------------------------
>Dimiter Popoff Transgalactic Instruments
>
>http://www.tgi-sci.com
>------------------------------------------------------
>http://www.flickr.com/photos/didi_tgi/sets/72157600228621276/
>
>
>>From: "Olsson Mattias :MSO" <mso at forsmark.vattenfall.se>
>>To: "The International Radiation Protection (Health Physics) Mailing
>List"
>> <radsafe at health.phys.iit.edu>
>>Date: Tue, 2 Jul 2013 11:09:40 +0000
>>
>>Hi all,
>>
>>Just curious: have they built one of these modular reactors yet? Even
>>as a = prototype? That would make some interesting reading.
>>
>>Mattias Olsson
>>
>>
>>-----Ursprungligt meddelande-----
>>Fr=E5n: radsafe-bounces at health.phys.iit.edu
>>[mailto:radsafe-bounces at health.= phys.iit.edu] F=F6r Jim Darrough
>>Skickat: den 1 juli 2013 21:14
>>Till: 'The International Radiation Protection (Health Physics) Mailing
>List'
>>=C4mne: Re: [ RadSafe ] Reactor stuff
>>
>>NuScale makes these babies. I'd love to see them dotted all over rural
>>area= s.
>>
>>http://www.nuscalepower.com/
>>
>>Regards, Jim Darrough
>>
>>
------------------------------
Message: 5
Date: Tue, 2 Jul 2013 12:36:52 -0700
From: "Jim Darrough" <darrougj at onid.orst.edu>
Subject: Re: [ RadSafe ] Reactor stuff
To: "'The International Radiation Protection \(Health Physics\)
Mailing List'" <radsafe at health.phys.iit.edu>
Message-ID: <000d01ce775b$80a06e50$81e14af0$@onid.orst.edu>
Content-Type: text/plain; charset="iso-8859-1"
Ask them about it. I know for sure someone would love to answer questions.
And to my knowledge, nothing has been built yet.
Regards, Jim
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Olsson Mattias
:MSO
Sent: Tuesday, July 02, 2013 4:10 AM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Reactor stuff
Hi all,
Just curious: have they built one of these modular reactors yet? Even as a
prototype? That would make some interesting reading.
Mattias Olsson
-----Ursprungligt meddelande-----
Fr?n: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] F?r Jim Darrough
Skickat: den 1 juli 2013 21:14
Till: 'The International Radiation Protection (Health Physics) Mailing List'
?mne: Re: [ RadSafe ] Reactor stuff
NuScale makes these babies. I'd love to see them dotted all over rural
areas.
http://www.nuscalepower.com/
Regards, Jim Darrough
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood the
RadSafe rules. These can be found at:
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http://health.phys.iit.edu
------------------------------
Message: 6
Date: Tue, 02 Jul 2013 16:19:59 -0400
From: Mohan Doss <mohan.doss at fccc.edu>
Subject: Re: [ RadSafe ] Fwd: [New post] Radiation-caused deaths from
Chernobyl nuclear accident
To: radsafe at health.phys.iit.edu
Message-ID: <51D335EF.2080700 at fccc.edu>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Dear Otto and others,
I think the reason for the failure of the multitude of proofs to
dethrone the LNT model is that there are a large variety of factors
involved in the dominance of the LNT model including psychological,
political, economic, as well as questionable refereeing in journals (see
below), sensationalism in media, power of status quo, advisory committee
power/structure, etc. and the scientific proofs do not address these
other factors, which are the main reasons the LNT model has survived.
If we (those who wish to discontinue the use of LNT model and
investigate the possible uses of radiation hormesis) put our minds
together, discuss the various reasons for the survival of the LNT model,
discuss strategies to overcome the reasons, and develop a consensus
plan, there may be a chance of achieving our goals. I think time is
ripe for making this effort and enabling the change. If there are any
efforts going on with this purpose, I would like to know about them and
join the efforts. Please let me know. I would also like to open a
private forum for discussion of this topic to brainstorm and generate
new ideas and comprehensive approaches, and have created a Google group
at the following address:
https://groups.google.com/forum/#!forum/how-to-end-lnt-model-usage-and-begin
-study-of-hormesis
<https://groups.google.com/forum/#%21forum/how-to-end-lnt-model-usage-and-be
gin-study-of-hormesis>
. Please join the group if you are interested in discussing this to
help draft a plan. I hope more of you who agree with the purpose would
join the discussion in the group, as certainly there would be strength
in numbers. Membership is wide open right now.
Though it is generally understood that the discontinuance of the
LNT model will result in lost jobs in radiation technology, in my
opinion we will need the skills and expertise of people familiar with
radiation to investigate the potential beneficial effects of radiation
in a safe manner, and so there would be even greater need for people
with such skills.
With regard to questionable refereeing in journals that help sustain
the LNT model, I came across two major publications that passed
conclusions in their abstract that contradicted their own data. There
is also another paper whose conclusion was discredited more than 2 years
ago, but there is still no retraction of the paper or its conclusions,
and it continues to be referred to in recent publications claiming
cancer risk from low dose radiation. It is not questionable refereeing
in this case, but the journals and/or the authors probably bear the
responsibility for retracting the conclusions of the paper. Please go
to the Google groups entitled "Publications with Misleading Conclusions
On Radiation Effects" at the following link:
https://groups.google.com/forum/#!forum/publications-with-misleading-conclus
ions-on-radiation-effects
<https://groups.google.com/forum/#%21forum/publications-with-misleading-conc
lusions-on-radiation-effects>
to view the analyses of these papers. You may also be interested in
reading the related article "Linear No-Threshold Model vs. Radiation
Hormesis" at the following link:
http://dose-response.metapress.com/openurl.asp?genre=article&id=doi:10.2203/
dose-response.13-005.Doss
If you have any comments or corrections on these, please do let me
know. Thanks.
With best regards,
Mohan
Mohan Doss, Ph.D., MCCPM
Medical Physicist,
Associate Professor, Diagnostic Imaging,
Fox Chase Cancer Center, R427
333 Cottman Avenue,
Philadelphia, PA 19111-2497.
Phone: 215 214-1707
Fax: 215 728-4755
E-mail: Mohan.Doss at fccc.edu
On 6/27/2013 12:52 PM, Otto G. Raabe wrote:
>
>> June 27, 2013
>
> That damned faulty linear cancer model of radiation induced cancer
> just will not die no matter how much proof we present.
>
> "A simple fallacy is often more acceptable than a complex truth!"
>
> O. Raabe
>
> Reference: Raabe, OG: Toward Improved Ionizing Radiation Safety
> Standards,
> Health Phys. 101: 84-93; 2011
>
> **********************************************
> Prof. Otto G. Raabe, Ph.D., CHP
> Center for Health & the Environment
> University of California
> One Shields Avenue
> Davis, CA 95616
> E-Mail: ograabe at ucdavis.edu
> Phone: (530) 752-7754 FAX: (530) 758-6140
> ***********************************************
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and
> understood the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/radsaferules.html
>
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> visit: http://health.phys.iit.edu
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Message: 7
Date: Tue, 02 Jul 2013 16:22:11 -0700
From: "Otto G. Raabe" <ograabe at ucdavis.edu>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection \(Health Physics\) Mailing
List" <radsafe at agni.phys.iit.edu>
Message-ID: <20130702232542.9A16959FB460 at agni.phys.iit.edu>
Content-Type: text/plain; charset="us-ascii"; format=flowed
>July 2, 2013
My questions is what radionuclides would the Nuclear Medicine Department
in a British hospital in 1983 that would be suitable for
contaminating a deactivated
air base so the USAF cannot deploy a new nuclear missile weapon system
there?
Otto
**********************************************
Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
University of California
One Shields Avenue
Davis, CA 95616
E-Mail: ograabe at ucdavis.edu
Phone: (530) 752-7754 FAX: (530) 758-6140
***********************************************
------------------------------
Message: 8
Date: Tue, 2 Jul 2013 19:38:35 -0400
From: Jim Hardeman <jim.hardeman at gmail.com>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at health.phys.iit.edu>
Message-ID:
<CAKeQzT3DozT-++ngSM744s5WXgY9LhL-Wbo+bGaYxNJH2NZt=Q at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Perhaps Co-60 ...
Jim
Sent via DROID RAZR MAXX HD and Verizon Wireless.
On Jul 2, 2013 7:26 PM, "Otto G. Raabe" <ograabe at ucdavis.edu> wrote:
>
> July 2, 2013
>>
>
> My questions is what radionuclides would the Nuclear Medicine Department
> in a British hospital in 1983 that would be suitable for contaminating a
> deactivated
> air base so the USAF cannot deploy a new nuclear missile weapon system
> there?
>
> Otto
>
> ************************************************
> Prof. Otto G. Raabe, Ph.D., CHP
> Center for Health & the Environment
> University of California
> One Shields Avenue
> Davis, CA 95616
> E-Mail: ograabe at ucdavis.edu
> Phone: (530) 752-7754 FAX: (530) 758-6140
> *************************************************
> ______________________________**_________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
> the RadSafe rules. These can be found at: http://health.phys.iit.edu/**
> radsaferules.html <http://health.phys.iit.edu/radsaferules.html>
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>
------------------------------
Message: 9
Date: Tue, 2 Jul 2013 19:40:38 -0400
From: Jim Hardeman <jim.hardeman at gmail.com>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at health.phys.iit.edu>
Message-ID:
<CAKeQzT1F6bgq8xXKgnmnb-kWq=DAd4=a_6U8MtYhR8Fue_0LeA at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Of course, in 1983, there was no such thing as a portable radionuclide
identifier, so anything that would make a meter go tickety - tick would
probably work.
Jim
Sent via DROID RAZR MAXX HD and Verizon Wireless.
On Jul 2, 2013 7:26 PM, "Otto G. Raabe" <ograabe at ucdavis.edu> wrote:
>
> July 2, 2013
>>
>
> My questions is what radionuclides would the Nuclear Medicine Department
> in a British hospital in 1983 that would be suitable for contaminating a
> deactivated
> air base so the USAF cannot deploy a new nuclear missile weapon system
> there?
>
> Otto
>
> ************************************************
> Prof. Otto G. Raabe, Ph.D., CHP
> Center for Health & the Environment
> University of California
> One Shields Avenue
> Davis, CA 95616
> E-Mail: ograabe at ucdavis.edu
> Phone: (530) 752-7754 FAX: (530) 758-6140
> *************************************************
> ______________________________**_________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
> the RadSafe rules. These can be found at: http://health.phys.iit.edu/**
> radsaferules.html <http://health.phys.iit.edu/radsaferules.html>
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>
------------------------------
Message: 10
Date: Tue, 2 Jul 2013 16:45:52 -0700
From: "Richard Gallego" <rich at tgainc.com>
Subject: Re: [ RadSafe ] Request for Assistance
To: "'The International Radiation Protection \(Health Physics\)
Mailing List'" <radsafe at health.phys.iit.edu>
Message-ID: <004901ce777e$4b01d900$e1058b00$@tgainc.com>
Content-Type: text/plain; charset="us-ascii"
Most of the isotopes used in a nuclear medicine department are short lived,
so the problem would go away fairly quickly.
Rich
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Jim Hardeman
Sent: Tuesday, July 02, 2013 4:41 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
Of course, in 1983, there was no such thing as a portable radionuclide
identifier, so anything that would make a meter go tickety - tick would
probably work.
Jim
Sent via DROID RAZR MAXX HD and Verizon Wireless.
On Jul 2, 2013 7:26 PM, "Otto G. Raabe" <ograabe at ucdavis.edu> wrote:
>
> July 2, 2013
>>
>
> My questions is what radionuclides would the Nuclear Medicine
> Department in a British hospital in 1983 that would be suitable for
> contaminating a deactivated air base so the USAF cannot deploy a new
> nuclear missile weapon system there?
>
> Otto
>
> ************************************************
> Prof. Otto G. Raabe, Ph.D., CHP
> Center for Health & the Environment
> University of California
> One Shields Avenue
> Davis, CA 95616
> E-Mail: ograabe at ucdavis.edu
> Phone: (530) 752-7754 FAX: (530) 758-6140
> *************************************************
> ______________________________**_________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and
> understood the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/** radsaferules.html
> <http://health.phys.iit.edu/radsaferules.html>
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings visit:
http://health.phys.iit.edu
------------------------------
Message: 11
Date: Tue, 2 Jul 2013 16:46:49 -0700
From: "Brennan, Mike (DOH)" <Mike.Brennan at DOH.WA.GOV>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics)
MailingList" <radsafe at health.phys.iit.edu>
Message-ID:
<37C41083D3480E4BBB478317773B845D0C8AB300 at dohmxtum31.doh.wa.lcl>
Content-Type: text/plain; charset="us-ascii"
Ultimately, it wouldn't matter what isotope was used, or even really how
much. The goal would be publicity. If I were writing it, I would have
the terrorist being manipulated by someone who would make a lot of money
from the event.
-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Jim Hardeman
Sent: Tuesday, July 02, 2013 4:41 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
Of course, in 1983, there was no such thing as a portable radionuclide
identifier, so anything that would make a meter go tickety - tick would
probably work.
Jim
Sent via DROID RAZR MAXX HD and Verizon Wireless.
On Jul 2, 2013 7:26 PM, "Otto G. Raabe" <ograabe at ucdavis.edu> wrote:
>
> July 2, 2013
>>
>
> My questions is what radionuclides would the Nuclear Medicine
> Department in a British hospital in 1983 that would be suitable for
> contaminating a deactivated air base so the USAF cannot deploy a new
> nuclear missile weapon system there?
>
> Otto
>
> ************************************************
> Prof. Otto G. Raabe, Ph.D., CHP
> Center for Health & the Environment
> University of California
> One Shields Avenue
> Davis, CA 95616
> E-Mail: ograabe at ucdavis.edu
> Phone: (530) 752-7754 FAX: (530) 758-6140
> *************************************************
> ______________________________**_________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and
> understood the RadSafe rules. These can be found at:
> http://health.phys.iit.edu/** radsaferules.html
> <http://health.phys.iit.edu/radsaferules.html>
>
> For information on how to subscribe or unsubscribe and other settings
> visit: http://health.phys.iit.edu
>
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood
the RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings
visit: http://health.phys.iit.edu
------------------------------
Message: 12
Date: Wed, 3 Jul 2013 04:30:33 +0000
From: Jeremy Nicoll <jeremy.nicoll at otago.ac.nz>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at agni.phys.iit.edu>
Message-ID:
<EE118B9804FD484882F47C846C56405B11E6EE8E at ITS-EXM-P05.registry.otago.ac.nz>
Content-Type: text/plain; charset="us-ascii"
None of the unsealed stuff would last.long enough.
There were a lot of old radium RT sources around which were used for
constancy checks on dose calibrators and things like that. They weren't
ideal but were free and difficult to get rid of. Equally there would be
Cs-137 seeds around (ex RT and used for the same things). I understand the
the US ones were just salt crystals hammered into a welded stainless can. Of
course robbing an industrial radiographer would get you a bigger Cs-137
source and would probably be an easier exercise. If you wanted a large
cobalt source you would go to a RT dept but you wouldn't find one in a new
dept in 1983.
If you believe the newspapers at the moment any nuclear terrorism would be
completely concealed by the Ministry of Defence burying radioactive
airplanes of which they seem to have had a large supply.
Actually getting the Co-60 from a teletherapy RT in the old hospital that
our new one replaced would seem more feasible. (Like the incident in
Brazil). It would need to be done by fraud/ corruption, we would never have
left such a unit in an empty building. The people breaking such a source up
wouldn't want to make any long term plans.
I can't help feeling asbestos would have raised more panic in 83.
Good luck
Jeremy
________________________________
From: Otto G. Raabe
Sent: 3/07/2013 11:26 a.m.
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
>July 2, 2013
My questions is what radionuclides would the Nuclear Medicine Department
in a British hospital in 1983 that would be suitable for
contaminating a deactivated
air base so the USAF cannot deploy a new nuclear missile weapon system
there?
Otto
**********************************************
Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
University of California
One Shields Avenue
Davis, CA 95616
E-Mail: ograabe at ucdavis.edu
Phone: (530) 752-7754 FAX: (530) 758-6140
***********************************************
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings visit:
http://health.phys.iit.edu
------------------------------
Message: 13
Date: Wed, 3 Jul 2013 13:02:25 +0800
From: "Dahlskog, Leif" <Leif.Dahlskog at health.wa.gov.au>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics)
MailingList" <radsafe at agni.phys.iit.edu>
Message-ID:
<9FD6DA18E9A5D1419175A65C03614221029775F9 at WSC172PEVS.hdwa.health.wa.gov.au>
Content-Type: text/plain; charset="us-ascii"
The Cs-137 sources used by industrial radiographers these days are only
for pipeline crawler control, aren't that big and I believe are no
longer as salt crystals. I don't recall Cs-137 sources being used for
industrial radiography imaging in the 1980's. Perhaps 'bigger' Cs-137
sources were used in the earlier days of industrial radiography before
other radioisotopes emerged with better imaging properties.
Leif Dahlskog
Senior Health Physicist
Radiation Health Branch
-----Original Message-----
From: radsafe-bounces at agni.phys.iit.edu
[mailto:radsafe-bounces at agni.phys.iit.edu] On Behalf Of Jeremy Nicoll
Sent: Wednesday, 3 July 2013 12:31 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
<Of course robbing an industrial radiographer would get you a bigger
Cs-137 source and would probably be an easier exercise.>
Jeremy
________________________________
From: Otto G. Raabe
Sent: 3/07/2013 11:26 a.m.
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
>July 2, 2013
My questions is what radionuclides would the Nuclear Medicine Department
in a British hospital in 1983 that would be suitable for contaminating a
deactivated air base so the USAF cannot deploy a new nuclear missile
weapon system there?
Otto
**********************************************
Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
University of California
One Shields Avenue
Davis, CA 95616
E-Mail: ograabe at ucdavis.edu
Phone: (530) 752-7754 FAX: (530) 758-6140
***********************************************
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood
the RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings
visit: http://health.phys.iit.edu
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood
the RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings
visit: http://health.phys.iit.edu
------------------------------
Message: 14
Date: Wed, 3 Jul 2013 07:03:03 -0400
From: Dlawrencenewyork <dlawrencenewyork at aol.com>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at health.phys.iit.edu>
Message-ID: <B45F0D00-2901-41E0-A043-C5F962DCD594 at aol.com>
Content-Type: text/plain; charset=us-ascii
I would have them either scavenge Cs-137 from a the master source stored in
a well in a former source manufacturing facility using New Mexico as sexy
backdrop (think aliens!), but the old Radium source vault of the closed
Radium Chemical Company of Queens NY comes to mind as a fairly unsecured and
more probable location for that era. You could have backed a van up and been
on the BQE with their inventory in minutes. Th-232 with its DAC would also
make a suitable candidate and for that you could imagine US Radium in E
Orange NJ. Bear in mind that these are for perceived injury and not actual
death devices. Never mind that you could also conjure up myriad visions of
old Soviet unsecured stockpiles (think CS-137 batteries).
Best Regards,
David Lawrence
646-246-3465
On Jul 1, 2013, at 5:20 PM, Jim Hardeman <jim.hardeman at gmail.com> wrote:
> Colleagues --
>
> Last week I received a request from assistance from an author here in
> Georgia (USA) for technical advice on a novel he's writing.
>
> In the author's words, the novel "involves a nuclear medicine department
in
> a British hospital in 1983. My antagonist, a hospital electrician, is
> blackmailed into stealing nuclear material (to supplement other materials
> for a dirty bomb). The idea is to contaminate a deactivated airbase so
the
> USAF cannot deploy a new nuclear missile weapon system there.
>
> The nuclear medicine department I have created in this fictional hospital,
> is relatively new (less than six years old) and doing both imaging and
> treatments, to include a hot bench/lab. I understand a hospital nuclear
> medicine department in Britain may have been some different from those in
> the US at that time, but I want to be as accurate as possible in my
> manuscript and will let a British editor ferret out any small
> differences. Plus,
> since there is and will be (at this point) some uncertainty, I would
rather
> err on the side of caution, and not be too lax in my security."
>
> Is there anyone on the list who might wish to assist this author and who
> might have direct knowledge that would be relevant?
>
> Please contact the author, Fred Whitson, directly at whitsonwf at aol.com --
> please don't contact me.
>
> Thanks!
>
> Jim Hardeman
> Georgia Environmental Protection Division (retired)
> Atlanta, GA
> jim.hardeman at gmail.com
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
the RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
visit: http://health.phys.iit.edu
------------------------------
Message: 15
Date: Wed, 3 Jul 2013 07:32:08 -0400 (EDT)
From: dlawrencenewyork at aol.com
Subject: Re: [ RadSafe ] Request for Assistance
To: radsafe at health.phys.iit.edu
Message-ID: <8D045F816329834-630-6EEA4 at webmail-vm020.sysops.aol.com>
Content-Type: text/plain; charset="us-ascii"
That should have been Sr-90 or Pu-239 for those batteries!
-----Original Message-----
From: Dlawrencenewyork <dlawrencenewyork at aol.com>
To: The International Radiation Protection (Health Physics) Mailing List
<radsafe at health.phys.iit.edu>
Sent: Wed, Jul 3, 2013 7:05 am
Subject: Re: [ RadSafe ] Request for Assistance
I would have them either scavenge Cs-137 from a the master source stored in
a
well in a former source manufacturing facility using New Mexico as sexy
backdrop
(think aliens!), but the old Radium source vault of the closed Radium
Chemical
Company of Queens NY comes to mind as a fairly unsecured and more probable
location for that era. You could have backed a van up and been on the BQE
with
their inventory in minutes. Th-232 with its DAC would also make a suitable
candidate and for that you could imagine US Radium in E Orange NJ. Bear in
mind
that these are for perceived injury and not actual death devices. Never
mind
that you could also conjure up myriad visions of old Soviet unsecured
stockpiles
(think CS-137 batteries).
Best Regards,
David Lawrence
646-246-3465
On Jul 1, 2013, at 5:20 PM, Jim Hardeman <jim.hardeman at gmail.com> wrote:
> Colleagues --
>
> Last week I received a request from assistance from an author here in
> Georgia (USA) for technical advice on a novel he's writing.
>
> In the author's words, the novel "involves a nuclear medicine department
in
> a British hospital in 1983. My antagonist, a hospital electrician, is
> blackmailed into stealing nuclear material (to supplement other materials
> for a dirty bomb). The idea is to contaminate a deactivated airbase so
the
> USAF cannot deploy a new nuclear missile weapon system there.
>
> The nuclear medicine department I have created in this fictional hospital,
> is relatively new (less than six years old) and doing both imaging and
> treatments, to include a hot bench/lab. I understand a hospital nuclear
> medicine department in Britain may have been some different from those in
> the US at that time, but I want to be as accurate as possible in my
> manuscript and will let a British editor ferret out any small
> differences. Plus,
> since there is and will be (at this point) some uncertainty, I would
rather
> err on the side of caution, and not be too lax in my security."
>
> Is there anyone on the list who might wish to assist this author and who
> might have direct knowledge that would be relevant?
>
> Please contact the author, Fred Whitson, directly at whitsonwf at aol.com --
> please don't contact me.
>
> Thanks!
>
> Jim Hardeman
> Georgia Environmental Protection Division (retired)
> Atlanta, GA
> jim.hardeman at gmail.com
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
visit:
http://health.phys.iit.edu
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings visit:
http://health.phys.iit.edu
------------------------------
Message: 16
Date: Wed, 3 Jul 2013 07:32:56 -0400 (EDT)
From: dlawrencenewyork at aol.com
Subject: Re: [ RadSafe ] Request for Assistance
To: radsafe at health.phys.iit.edu
Message-ID: <8D045F832C7E6F6-630-6EEB2 at webmail-vm020.sysops.aol.com>
Content-Type: text/plain; charset="us-ascii"
That should have been Sr-90 or Pu-238 for those batteries!
-----Original Message-----
From: Dlawrencenewyork <dlawrencenewyork at aol.com>
To: The International Radiation Protection (Health Physics) Mailing List
<radsafe at health.phys.iit.edu>
Sent: Wed, Jul 3, 2013 7:05 am
Subject: Re: [ RadSafe ] Request for Assistance
I would have them either scavenge Cs-137 from a the master source stored in
a
well in a former source manufacturing facility using New Mexico as sexy
backdrop
(think aliens!), but the old Radium source vault of the closed Radium
Chemical
Company of Queens NY comes to mind as a fairly unsecured and more probable
location for that era. You could have backed a van up and been on the BQE
with
their inventory in minutes. Th-232 with its DAC would also make a suitable
candidate and for that you could imagine US Radium in E Orange NJ. Bear in
mind
that these are for perceived injury and not actual death devices. Never
mind
that you could also conjure up myriad visions of old Soviet unsecured
stockpiles
(think CS-137 batteries).
Best Regards,
David Lawrence
646-246-3465
On Jul 1, 2013, at 5:20 PM, Jim Hardeman <jim.hardeman at gmail.com> wrote:
> Colleagues --
>
> Last week I received a request from assistance from an author here in
> Georgia (USA) for technical advice on a novel he's writing.
>
> In the author's words, the novel "involves a nuclear medicine department
in
> a British hospital in 1983. My antagonist, a hospital electrician, is
> blackmailed into stealing nuclear material (to supplement other materials
> for a dirty bomb). The idea is to contaminate a deactivated airbase so
the
> USAF cannot deploy a new nuclear missile weapon system there.
>
> The nuclear medicine department I have created in this fictional hospital,
> is relatively new (less than six years old) and doing both imaging and
> treatments, to include a hot bench/lab. I understand a hospital nuclear
> medicine department in Britain may have been some different from those in
> the US at that time, but I want to be as accurate as possible in my
> manuscript and will let a British editor ferret out any small
> differences. Plus,
> since there is and will be (at this point) some uncertainty, I would
rather
> err on the side of caution, and not be too lax in my security."
>
> Is there anyone on the list who might wish to assist this author and who
> might have direct knowledge that would be relevant?
>
> Please contact the author, Fred Whitson, directly at whitsonwf at aol.com --
> please don't contact me.
>
> Thanks!
>
> Jim Hardeman
> Georgia Environmental Protection Division (retired)
> Atlanta, GA
> jim.hardeman at gmail.com
> _______________________________________________
> You are currently subscribed to the RadSafe mailing list
>
> Before posting a message to RadSafe be sure to have read and understood
the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
>
> For information on how to subscribe or unsubscribe and other settings
visit:
http://health.phys.iit.edu
_______________________________________________
You are currently subscribed to the RadSafe mailing list
Before posting a message to RadSafe be sure to have read and understood the
RadSafe rules. These can be found at:
http://health.phys.iit.edu/radsaferules.html
For information on how to subscribe or unsubscribe and other settings visit:
http://health.phys.iit.edu
------------------------------
Message: 17
Date: Wed, 3 Jul 2013 12:46:42 +0000
From: Doug Aitken <JAitken at slb.com>
Subject: Re: [ RadSafe ] Request for Assistance
To: "The International Radiation Protection (Health Physics) Mailing
List" <radsafe at health.phys.iit.edu>
Message-ID:
<F7C6AAC66130E64BB89C6220A5AC54B88EA10467 at NL0230MBX07N2.DIR.slb.com>
Content-Type: text/plain; charset="us-ascii"
Wireline logging companies were using Cs137 sources (generally with activity
of under 75 GBq) for subsurface density logging (in oil/gas/mineral
exploration wells) since the late '50s. The first sources used (from 3M)
used (soluble) Cesium chloride encapsulated in ceramic microspheres
(obviously encapsulated in (2 or 3 levels of) steel encapsulation. These
could have created pretty nasty contamination if ruptured and I believe the
last of these were removed from service in the "80s, replaced for "solid"
sources with the active material fused into ceramic material.
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 Dahlskog, Leif
Sent: Wednesday, July 03, 2013 12:02 AM
To: The International Radiation Protection (Health Physics) MailingList
Subject: Re: [ RadSafe ] Request for Assistance
The Cs-137 sources used by industrial radiographers these days are only for
pipeline crawler control, aren't that big and I believe are no longer as
salt crystals. I don't recall Cs-137 sources being used for industrial
radiography imaging in the 1980's. Perhaps 'bigger' Cs-137 sources were
used in the earlier days of industrial radiography before other
radioisotopes emerged with better imaging properties.
Leif Dahlskog
Senior Health Physicist
Radiation Health Branch
-----Original Message-----
From: radsafe-bounces at agni.phys.iit.edu
[mailto:radsafe-bounces at agni.phys.iit.edu] On Behalf Of Jeremy Nicoll
Sent: Wednesday, 3 July 2013 12:31 PM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
<Of course robbing an industrial radiographer would get you a bigger
Cs-137 source and would probably be an easier exercise.>
Jeremy
________________________________
From: Otto G. Raabe
Sent: 3/07/2013 11:26 a.m.
To: The International Radiation Protection (Health Physics) Mailing List
Subject: Re: [ RadSafe ] Request for Assistance
>July 2, 2013
My questions is what radionuclides would the Nuclear Medicine Department in
a British hospital in 1983 that would be suitable for contaminating a
deactivated air base so the USAF cannot deploy a new nuclear missile weapon
system there?
Otto
**********************************************
Prof. Otto G. Raabe, Ph.D., CHP
Center for Health & the Environment
University of California
One Shields Avenue
Davis, CA 95616
E-Mail: ograabe at ucdavis.edu
Phone: (530) 752-7754 FAX: (530) 758-6140
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End of RadSafe Digest, Vol 1336, Issue 1
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