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<p class="MsoNormal"><span style="font-size:11.0pt">Hi Vanessa, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">As Joachim mentions, your plan is a good start. The best way to control mold is through cleaning and management of the environmental conditions.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><br>
As part cleaning them, please replace the boxes as well as the cotton. The boxes are old and look to be acidic. They are contaminated with mold and dirt and will absorb humidity which will aggravate the situation and cause a re-infestation. The mold will be
living (most likely) on the dirt on the eggs. Replace the contaminated cotton with something that is not hygroscopic. I often recommend needle punch polyester batting. You will want to keep the environment at below 55% if possible.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Cleaning the eggs:<o:p></o:p></span></li><ol style="margin-top:0in" start="1" type="a">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Brush them off in a fume hood or a HEPA Vacuum cleaner to capture the dirt and mold spoors. Use a soft brush.<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">If you need to clean the exterior of the eggs further use distilled or deionized water to slightly dampen cotton swab or Latex-free hydrophilic sponges
(example: <a href="https://www.universityproducts.com/latex-free-hydrophilic-sponges.html">
Latex-Free Hydrophilic Sponges</a>). You can add some alcohol to help eliminate the mold. (Be very delicate, especially with the small eggs – the shells are extremely fragile.
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Wear PPE (nitril gloves, goggles, respirator etc) for your own protection.
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">Replace boxes and cotton as mentioned above. If possible, replace boxes with archival boxes.
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo1"><span style="font-size:11.0pt">If you need to clean the exterior of the eggs further use distilled or deionized water to slightly dampen cotton swab or Latex-free hydrophilic sponges
(example: <a href="https://www.universityproducts.com/latex-free-hydrophilic-sponges.html">
Latex-Free Hydrophilic Sponges</a>). You can add some alcohol to help eliminate the mold. (Be very delicate, especially with the small eggs – the shells are extremely fragile.
<o:p></o:p></span></li></ol>
</ol>
<p class="MsoNormal"><span style="font-size:11.0pt">Will they be stored in cabinets?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><br>
Good luck, <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Gretchen Anderson<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Gretchen Anderson (she, her)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Conservator<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Carnegie Museum of Natural History<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="mailto:AndersonG@CarnegieMNH.Org"><span style="color:#467886">AndersonG@CarnegieMNH.Org</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><img border="0" width="189" height="115" style="width:1.9642in;height:1.2023in" id="Picture_x0020_1" src="cid:image001.png@01DB82B8.39803B20" alt="Logos"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Instructor <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Preventive Conservation, IPM, Museum Housekeeping<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Museum Study LLC<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://www.museumstudy.com/"><span style="color:#467886">Museum Study online professional development - Home</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu>
<b>On Behalf Of </b>Joachim Händel<br>
<b>Sent:</b> Wednesday, February 19, 2025 8:46 AM<br>
<b>To:</b> nhcoll-l@mailman.yale.edu; Vanessa Pitusi <vanessa.pitusi@uit.no><br>
<b>Subject:</b> [Nhcoll-l] Antw: Mould on bird eggs<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<div id="GroupWiseSection_1739972096000_Joachim.Haendel@zns.uni-halle.de_659232D005F00000BEC929790EDC4731_">
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Hi Vanessa,<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">I think the suggestions you have made are sufficient for the time being.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Please brush off the eggs under a fume hood.<o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Any use of chemical agents (chlorine cleaner) will damage the objects.<o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Pay attention to the microclimate in the cabinets. It is best to leave a gap of a few mm to the wall and floor (cabinets with feet) so that the air can circulate and prevent
moisture spots.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">It is important to monitor the climate in the collection, including in the cabinets and drawers. A temperature and humidity logger in the room with wireless sensors in some
cabinets is ideal for this.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Good luck<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Joachim<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:3.75pt"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><br>
<br>
<o:p></o:p></span></p>
<div>
<p class="MsoNormal" style="margin-bottom:3.75pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#949494">-- </span><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:3.75pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#949494">Joachim Haendel</span><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:3.75pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p></o:p></span></p>
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<div>
<p class="MsoNormal" style="margin-bottom:3.75pt"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#949494">Center of Natural Science Collections<br>
of the Martin Luther University (ZNS)<br>
- Entomological Collection -<br>
<br>
Domplatz 4<br>
D-06099 Halle (Saale)<br>
Germany<br>
<br>
Phone: +49 345 - 55 26 447<br>
Email: <a href="mailto:joachim.haendel@zns.uni-halle.de">joachim.haendel@zns.uni-halle.de</a></span><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
<div id="GroupWiseSection_1739954244000_vanessa.pitusi@uit.no">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><br>
<br>
<span class="groupwisereplyheader">>>> Vanessa Pitusi <<a href="mailto:vanessa.pitusi@uit.no">vanessa.pitusi@uit.no</a>> schrieb am 19.02.2025 um 09:37:</span><o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Hi,<o:p></o:p></span></p>
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<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
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<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">I have found mould on some of the dry bird eggs that we have in our collection.<o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
</div>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Is it enough to brush off the mould, change out the cotton that they rest on, and dry them out, or should they be treated in some way?<o:p></o:p></span></p>
</div>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">They will be moved into a new collection room after removing the mould.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">All the best,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif">Vanessa
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