[ RadSafe ] Kakrapar nuclear power plant confirms radiation leak

[Brent Rogers]

I've seen TL material glow before.  The lady who showed it at a Buckeye Chapter HPS meeting (I believe she was RSO at University of Utah) exposed several little disks of TL material that were about the same size as a paper-hole punch to multiple grays.  In her demonstration, she then dropped these disks, a few at a time on a laboratory hot plate and they very visibly glowed for about 1 second each.

Definitely not giving credence to the claims of the laborers or the news agency that wrote the story (among other non-sensical items, where's the annealing process?), but the human eye is well capable of seeing the glow from TL material when it is annealed.

Brent Rogers
Sydney Australia  

Sent from my iPad

On 10/08/2011, at 5:40, "Dixon, John E. (CDC/ONDIEH/NCEH)" <gyf7 at cdc.gov> wrote:

> I agree with your assessment of this article Sandy. The whole thing is a P.O.S. Who wrote this anyway? Did the author get paid? I know when most TLD crystals "glow," it is because stored energy from an energy absorption occurs and is released from the electron structure. But can the human eye see it? I don't think so! 
> 
> If these laborers did indeed see something glowing from spent fuel in dry air, it would be because the vitreous humor of their eyeballs was glowing. These laborers would be walking dead after that. I won't go into the drawn out physics behind this. Everyone on RADSAFE knows that this article is crap.
> 
> John Dixon
> 
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Perle, Sandy
> Sent: Tuesday, August 02, 2011 9:02 AM
> To: The International Radiation Protection (Health Physics) Mailing List
> Subject: Re: [ RadSafe ] Kakrapar nuclear power plant confirms radiation leak
> 
> Richard and Jim,
> 
> Agree. This site and their public information office need to really
> perform an in-depth review of their operations, their communication
> protocols and then get their facts straight. Makes Fukushima look fairly
> reasonable!  :)
> 
> Regards,
> 
> Sandy
> 
> -----------------------------------
> Sander C. Perle
> President
> Mirion Technologies
> Dosimetry Services Division
> 2652 McGaw Avenue
> Irvine, CA 92614
> 
> +1 (949) 296-2306 (Office)
> +1 (949) 296-1130 (Fax)
> 
> Mirion Technologies: http://www.mirion.com/
> 
> 
> 
> 
> 
> On 8/2/11 3:35 AM, "James Barnes" <james.g.barnes at att.net> wrote:
> 
>> Ummmm.  Don't know about glowing TLDs, but I'd be pretty concerned if I
>> had
>> workers in the spent fuel transfer duct area and operations decided to
>> move fuel
>> without letting me know.  Sounds like that plant has some serious issues
>> regarding situation awareness, and possibly some issues where operations
>> doesn't
>> heed direction from HP.
>> 
>> Jim Barnes
>> 
>> 
>> 
>> 
>> 
>> ________________________________
>> From: Richardson David (RDE) Colchester Hospital University NHS
>> Foundation Tr
>> <David.Richardson at colchesterhospital.nhs.uk>
>> To: The International Radiation Protection (Health Physics) Mailing List
>> <radsafe at health.phys.iit.edu>
>> Sent: Tue, August 2, 2011 1:28:58 AM
>> Subject: Re: [ RadSafe ] Kakrapar nuclear power plant confirms radiation
>> leak
>> 
>> Sandy,
>> 
>> 
>> 
>> If I didn't know your background, I would have thought the article to be
>> a
>> spoof.
>> 
>> 
>> 
>> 1.    90 million rays (what kind of measurement unit is that, apparently
>> 1
>> million rays = 1mSv)
>> 
>> 2.    Glowing TLDs - not unless you get them hot (temperature)!!!
>> 
>> 3.    Nuclear radiation from a CT scanner?
>> 
>> 4.    90mSv harmless?!?!?! - so why are our dose limits much lower than
>> that?
>> 
>> 
>> 
>> As you say, ridiculous
>> 
>> 
>> 
>> Best regards
>> 
>> 
>> 
>> Dave Richardson
>> 
>> Radiation Protection
>> 
>> Medical Physics
>> 
>> COLCHESTER
>> 
>> CO3 3NB
>> 
>> 
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