One of the big issues with using freezing for pest control is that it can be difficult to reach the required temperatures quickly enough for the treatment to be effective. And although there are those out there who will argue that it's safer to freezer certain materials than we once thought, it's all about calculated risk. Do you know enough about the materials you need to treat to understand how they will react to freezing? On the other hand, anoxic is very effective and the necessary materials are easy to obtain (whereas an appropriate freezer can be a problem, especially if you don't have space). But with anoxic there are some risks associated with RH changes. So it's a matter of deciding which risks you are more comfortable with and what you can do to mitigate those risks.
Are you familiar with www.museumpests.net? Many great resources there. They also have a listserv so if you have questions about treatments, you might try posting there.
Good luck!
Amber
the warhol:
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-----Original Message-----
From: Museum discussion list [mailto:[log in to unmask]] On Behalf Of Carrlee, Scott A (EED)
Sent: Wednesday, May 07, 2014 8:24 PM
To: [log in to unmask]
Subject: Re: [MUSEUM-L] dermestid treatment for mixed media
You should check out Ellen Carrlee's blog posting on freezing artifacts for pest control https://ellencarrlee.wordpress.com/tag/freezing/
She did a thorough study on it and found that there is not as much danger as we once thought. Here is a quote
"In summary, it might be helpful to state this information plainly. Based on this investigation which involved freezing several hundred artifacts, reviewing the literature, and discussing the topic with many museum and scientific professionals, a list of factors has been prioritized from highest-to-lowest concern. On the whole, low temperature pest control appears to be safer for artifacts than might have been suspected."
Scott
Scott Carrlee
Curator of Museum Services
Alaska State Museums
1-888-913-6873 (Toll-free in Alaska)
907-465-4806
-----Original Message-----
From: Museum discussion list [mailto:[log in to unmask]] On Behalf Of Pam Endzweig
Sent: Wednesday, May 07, 2014 3:41 PM
To: [log in to unmask]
Subject: [MUSEUM-L] dermestid treatment for mixed media
Hello Listers --
An Alaskan doll that we received as a gift about a month ago and bagged as a precaution, has casings, is shedding fur and appears to have an active infestation. The doll has fur clothing and an ivory head so I am reluctant to freeze. Any thoughts? I dabbled in anoxic methods a couple of decades ago and still have Ageless packets in the refrigerator and necessary packaging materials. Would this be the best treatment method? Any other ideas?
Many thanks for your collective wisdom!
-- Pam
--
Pamela E. Endzweig, Ph.D., RPA
Director of Collections & Senior Research Associate Museum of Natural and Cultural History & State Museum of Anthropology
1224 University of Oregon / Eugene, OR 97403-1224 Ph 541-346-5120 / Fax 541-346-5334
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