At -30 for 72 hours once is sufficient to kill all life stages of pests. JTV
Joel Voron Colonial Williamsburg Foundation
Conservation Dept.
Integrated Pest Management
Office 757-220-7080<tel:757-220-7080>
Cell 757-634-1175<tel:757-634-1175>
E-Mail [email protected]<mailto:[email protected]>
[X]
On May 3, 2019, at 8:52 AM, Adrian Doyle
<[email protected]<mailto:[email protected]>> wrote:
Dear all
Double freezing shouldn’t be necessary so long as the core temperature of the
object is at the correct temperature for the correct time
Adie
Mr Adrian (Adie) Doyle
Integrated Pest Management Manager
British Museum
Property & Facilities Management
Great Russell Street,
London WC1B 3DG
Tel: 020 7323 8207
Mobile 07813 363292
Also available by Radio
Email: [email protected]<mailto:[email protected]>
The British Museum
Great Russell Street, London WC1B 3DG
britishmuseum.org<http://www.britishmuseum.org/>
The security classification for this message is OFFICIAL
From: [email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Sharon Penton
Sent: 03 May 2019 13:51
To: [email protected]<mailto:[email protected]>
Subject: [pestlist] Freeze once or freeze twice?
Good morning all,
Some of my colleagues are adamant about freezing collection twice when dealing
with pest. They freeze a first time then let everything get back to room
temperature for a day or so then freeze again. Is this common practice? I've
always thought if we can achieve a reliable -30 that should take care of all
adults larvae and eggs?
Would someone mind weighing in?
Thanks!
Sharon
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