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<div class="moz-cite-prefix">Hi Ariel,</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">concur with Rob; closed metal cabinets
(compared to wooden ones - with different pros and cons) are
perfect to trap and maintain unsuited microclimates. Damp material
definitely is a source, unwanted RH and temperature fluctuations
as they may occur in a new storage building during calibration of
the new climate control systems could have been another potential
source. Also any form of moisture released from the new building
itself (e.g. from the concrete, walls, paint, etc.).</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">With best wishes</div>
<div class="moz-cite-prefix">Dirk <br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">Am 15.09.2020 um 23:16 schrieb Robert
Waller:<br>
</div>
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<p class="MsoNormal"><span lang="EN-CA">Hi Ariel,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA">It seems extraordinary
to have mold growth at the conditions you mention (</span><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">40-42%RH
and 64-68°F).<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Can
you be certain that wet or damp materials have not been
placed within the cabinets? In my experience a small amount
of damp material in a metal cabinet can raise the RH to 100%
for days to weeks.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Rob</span><span
lang="EN-CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #E1E1E1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b>From:</b> Nhcoll-l
<a class="moz-txt-link-rfc2396E" href="mailto:nhcoll-l-bounces@mailman.yale.edu"><nhcoll-l-bounces@mailman.yale.edu></a> <b>
On Behalf Of </b>ELLEN PEARLSTEIN<br>
<b>Sent:</b> Tuesday, September 15, 2020 4:29 PM<br>
<b>To:</b> Gaffney, Ariel M <a class="moz-txt-link-rfc2396E" href="mailto:ariel_gaffney@fws.gov"><ariel_gaffney@fws.gov></a><br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:nhcoll-l@mailman.yale.edu">nhcoll-l@mailman.yale.edu</a><br>
<b>Subject:</b> Re: [Nhcoll-l] Mold in our bird collection<o:p></o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif">Hello!<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif">Please
do not irradiate these collections with UV, which will
destroy the keratin! Also, ammonia or any high pH
solution can displace and destroy biopigments. Often for
major outbreaks, a fume cupboard can be created or
rented, and collections should be vacuumed with a HEPA
vacuum and swabbed with isopropanol. Operators should be
using PPE. Collections should be returned to a dry
climate (RH at 40% +/- 5) onto shelves that have been
disinfected.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif">Hope
this helps!<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif">Ellen<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
</div>
<div>
<div>
<div>
<div>
<div>
<div>
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<div>
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<div>
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<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<div>
<p
class="MsoNormal"><span
style="font-family:"Georgia",serif">Ellen Pearlstein</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">Professor</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">UCLA Information Studies</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt;font-family:"Georgia",serif">230 GSEIS</span><span
style="font-family:"Georgia",serif"> </span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:9.5pt;font-family:"Georgia",serif">Los
Angeles, CA 90095</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">UCLA/Getty Program in the
Conservation of
Archaeological and
Ethnographic
Materials</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">A 410 Fowler</span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">Los Angeles, CA 90095</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif"><a
href="mailto:epearl@ucla.edu" target="_blank" moz-do-not-send="true">epearl@ucla.edu</a></span><o:p></o:p></p>
</div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">Editor,
Conservation of
featherwork from Central
and South America</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><a
href="https://archetype.co.uk/our-titles/conservation-of-featherwork-from-central-and-south-america/?id=245"
target="_blank"
moz-do-not-send="true">https://archetype.co.uk/our-titles/conservation-of-featherwork-from-central-and-south-america/?id=245</a><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif">PI,
Andrew W. Mellon
Opportunity for Diversity
in Conservation</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif"><a
href="http://conservation.ucla.edu/Mellon_diversity_opportunity"
target="_blank"
moz-do-not-send="true">http://conservation.ucla.edu/Mellon_diversity_opportunity</a>
</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Georgia",serif"><a
href="https://www.instagram.com/uclagettydiversityconservation/?hl=en"
target="_blank"
moz-do-not-send="true">https://www.instagram.com/uclagettydiversityconservation/?hl=en</a></span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-size:11.5pt;font-family:"Georgia",serif">As
a land grant institution,
the faculty and
administration at UCLA
acknowledges the
Gabrielino/Tongva peoples
as the traditional land
caretakers of Tovaangar
(Los Angeles basin, So.
Channel Islands).</span><o:p></o:p></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class="MsoNormal">On Tue, Sep 15, 2020 at 1:10 PM
Gaffney, Ariel M <<a
href="mailto:ariel_gaffney@fws.gov"
moz-do-not-send="true">ariel_gaffney@fws.gov</a>>
wrote:<o:p></o:p></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC
1.0pt;padding:0cm 0cm 0cm
6.0pt;margin-left:4.8pt;margin-right:0cm">
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<div>
<p
style="margin-top:0cm;background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Our collection
here at the National Fish & Wildlife Forensic
Laboratory is experiencing an unprecedented mold
outbreak in our bird collection and we could use
some advice about mold removal and cleaning while
protecting the specimens.<o:p></o:p></span></p>
<p
style="margin-top:0cm;background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41"><o:p> </o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">A few weeks
ago we found two cabinets with mold growth, some
skins were nearly encased in a thin mold film. The
specimens with obvious mold growth were moved to the
freezer, then cleaned with a cotton swab dipped in
ammonia. All other specimens were placed in a hood
with a UV light for 24 hours. The drawers were
cleaned with ammonia and then a UV light was placed
inside the cabinet for 24 hours. <o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41"><o:p> </o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">We have now
discovered more cabinets with mold. Has anyone
encountered large-scale mold outbreak in their
collection? How did you handle cleaning?<o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">From what I've
read, UV light exposure will kill the mold and won't
necessarily harm the specimens unless exposed to UV
light for an extensive period of time. <br>
Is ammonia the best way of cleaning
specimens? Should we be using Ethanol or another
solution for the specimens with visible mold
growth? <o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">How would you
wipe down/rid the bird skins of mold growing on
them? Damp rag with ethanol? Cotton swabs?<o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41"><o:p> </o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">This is a
brand new facility built in the last year. The
humidity in the building ranges from 40-42% and the
temperature is kept from 64-68 F. We put in
dehumidifiers this week to try and drop the humidity
even further and are considering an anti-fungal
fogger. If anyone has had experience with any of
these foggers, we'd appreciate your insight. <o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41"><o:p> </o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Any/all advice
would be appreciated.<o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41"><o:p> </o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Thank you,<o:p></o:p></span></p>
<p style="background:white;box-sizing:border-box"><span
style="font-size:10.5pt;font-family:Roboto;color:#353C41">Ariel Gaffney<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Calibri
Light",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal"><span
style="font-size:12.0pt;font-family:"Calibri
Light",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div id="gmail-m_-8176973349822633997Signature">
<div>
<div>
<p style="margin-bottom:0cm;background:white"><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">---</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">Ariel M.
Gaffney, M.Sc.</span><span
style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">Forensic
Scientist / Ornithologist<br>
Office of Law Enforcement</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">National
Fish and Wildlife Forensic Laboratory</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">1490
E. Main Street</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">Ashland,
OR 97520</span><span
style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#888888"><o:p></o:p></span></p>
<p
style="margin-bottom:0cm;background:white;text-align:start"><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">phone:
541-488-6516</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#888888"><br>
</span><span
style="font-size:7.5pt;font-family:"Arial",sans-serif;color:black">fax:
541-482-4989</span><span
style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#888888"><o:p></o:p></span></p>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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<div class="moz-signature">-- <br>
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width="152" height="59"></p>
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Besuchen Sie unsere Sammlung:<br>
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