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Hi Cricket,

I will chime in on this since no one else has yet. I assume the lack of 
response is due in part to the fact that this form of treatment is relatively 
unconventional and not many people out there know much about it. 

I will be the first to dispel the myth that freezing does not kill the eggs. 
The research has been done on this and although different pests require 
different temperatures, freezing certainly will kill all stages of life if done 
quickly enough, cold enough and for a long enough time. All of that data is 
available on museumpests.net

I will let conservators offer advice on the possible harm from a plasma field. 
I understand that they are household materials, but it would still be good to 
know if any research has been done with this technique. You are exposing the 
materials to quite a few different scenarios between a heated argon gas and a 
dielectric field.

Pat Kelley 

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Cricket 
Harbeck
Sent: Monday, April 08, 2013 5:37 PM
To: [email protected]
Subject: [pestlist] Plasma Field Treatment

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Hello All,

Does anyone have any knowledge of or advice about using a plasma field to treat 
against a webbing clothes moth infestation?  I'm dealing with a household 
infestation and am looking to treat furniture, clothing and rugs, but no 
artwork.  A company I've contacted said the best treatment method is using 
plasma field, and described the process as first freezing the materials, and 
then introducing a dielectric field with argon gas.  They said freezing kills 
the adults while the plasma field kills the eggs and sanitizes.  They say this 
method is better than traditional freezing, which doesn't guarantee killing the 
eggs.  I am an art conservator, and was trained to freeze objects for such an 
infestation using a standard procedure.  I'm just really curious about this 
treatment and was hoping someone had some thoughts about its use, efficacy and 
possible harm to the treated materials.  

Thank you very much in advance.
Cricket



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