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I don't think that anoxia would be a practical solution here. Anoxic treatment needs a very low (at least less than 0.5%) oxygen level to be maintained for an adequate period of time (depends on pest and ambient temperature). Sealing any large cabinet is a challenge, and sealing the object(s) in a barrier film bag, or using a specially-made low oxygen chamber is usually the most easy and effective way to create an oxygen-free microclimate. Compactor cabinets use wheels and floor rails, making it very difficult, if at all possible, to create anoxic conditions. js Jerry Shiner Keepsafe Microclimate Systems www.keepsafe.ca [email protected] 416 703 4696 ext 701 -----Original Message----- From: "Dawn Roberts" <[email protected]> Sent: 16/12/2008 10:46 AM To: "[email protected]" <[email protected]> Subject: RE: inquiry re insecticides applied to storage cabinets Have you considered utilizing anoxic treatment? You might be able to create a "container" that would envelope the cabinets themselves and create an anoxic environment to eliminate the pests. Dawn Roberts Collections Manager Chicago Academy of Sciences Peggy Notebaert Nature Museum Collections Facility and Office: 4001 North Ravenswood Avenue, Suite 201 Chicago, IL 60613 Nature Museum: 2430 North Cannon Drive Chicago, IL 60614 Phone: 773-525-2164 Fax: 773-755-5199 [email protected] www.naturemuseum.org Preserving Midwestern biodiversity since 1857 From: [email protected] [mailto:[email protected]] On Behalf Of Kaplan, Emily Sent: Tuesday, December 16, 2008 8:42 AM To: [email protected] Cc: Heald, Susan; Kaminitz, Marian; Greatorex, Linda; Raphael, Toby; Nietfeld, Patricia Subject: inquiry re insecticides applied to storage cabinets Hi everyone, We're currently dealing with an active webbing clothes moth infestation in compactor storage cabinets. We are going though the usual steps of bagging and freezing infested or potentially infested items and isolating items nearby, vacuum cleaning storage components, and increasing monitoring with blunder traps and pheromone traps. It has been suggested that we direct an insecticide containing active ingredients such as pyrethrum, allethrin, and permethrin into the structural elements of the storage cabinets - there are a lot of interior spaces inside these structural elements that cannot reasonably be accessed by vacuuming. We are hesitant to introduce an insecticide (even one classified as "low-risk") so close to collections materials but are concerned that we will not be able to thoroughly clean the storage furniture. I would very much appreciate any experiences and thoughts on this. Many thanks, Emily Emily Kaplan Conservator Smithsonian National Museum of the American Indian Cultural Resources Center Suitland, MD 20746 tel 301-238-1418 fax 301-238-3201 [email protected] ------------------------------------------------------------- To send an email to the list, send your msg to [email protected] To unsubscribe from this list send an email to [email protected] and in the body put: "unsubscribe pestlist" Any problems email [email protected]
