Forrest - True shrink-wrapping requires a heat gun; not a good idea with artifacts.? Even if no heat gun were used, such a tight-fitting wrap may damage an artifact.
Tom Parker -----Original Message----- From: Forrest St. Aubin <[email protected]> To: [email protected] Sent: Fri, 12 Jun 2009 1:55 pm Subject: Re: [pestlist] Wrapping infested objects for freezing Tom,? Would there be any pluses or minuses to shrinkwrapping prior to freezing? Forrest E. St. Aubin, BCE Chair, ESA-ACE Oversight Committee Liaison, ESA/NPMA 12835 Pembroke Circle Leawood, Kansas 66209 Phone: 913.345.2114 Fax: 913.345.8008 E-mail: [email protected] Website: www.saintaubinbce.com "Innovation distinguishes between a leader and a follower". Steve Jobs, Apple Co-founder -----Original Message----- From: [email protected] Date: 06/11/2009 04:27 PM To: [email protected] Subject: Re: [pestlist] Wrapping infested objects for freezing Randi - The key to successful freezing is to take the object from room temperature and crash the temp.? You are attempting to reach 32 F in four hours.? That beats any insect or egg to its self-defenses.? If you're not sure you've been successful, then remove the item after 72 hours, let it warm to room temperature for a day or so, and then repeat the process. Tom Parker -----Original Message----- From: [email protected] To: [email protected] Sent: Thu, 11 Jun 2009 10:13 am Subject: Re: [pestlist] Wrapping infested objects for freezing Hi! Something I have heard that I've not seen mentioned. We bag items to be frozen in plastic bags- usually they are paper based in record size boxes. For routine, precautionary freezing before going to storage we do not bag until just before freezing, as I have heard that insects can react to the change in atmosphere from bagging and prepare themselves to withstand freezing more easily. It is like they make antifreeze in response. We bag and load in less than an hour, not bagging too much at one time. I don't remember where I learned this. Has anybody else heard this? Randi Sue Smith Curator DC Booth Historic National Fish Hatchery and Archives US Fish and Wildlife Service 423 Hatchery Circle Spearfish, SD 57783 605-642-7730 ext. 215 fax 605-642-2336 cid:[email protected] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed] [Image Removed]
