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<p class="MsoNormal">As Mary Lou Florian noted long ago, the rate of lipid oxidation increases as temperature decreases, so can be detrimental to skin (tanned or untanned) materials as a long-term storage solution.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cathy<o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Catharine Hawks
</span></b><i><span style="font-size:9.0pt;font-family:"Arial",sans-serif">(she, her)</span></i><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Conservator</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Collections Program</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">MRC 170 Rm M85-J</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">National Museum of Natural History</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">10th Street & Constitution Ave NW</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Washington DC 20560</span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif">w</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif"> 202.633.0835 or 4041
<b>c</b> 703 200 4370</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><a href="mailto:hawksc@si.edu">hawksc@si.edu</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#00C1D5">SMITHSONIAN INSTITUTION</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#00778B">NATIONAL MUSEUM OF NATURAL HISTORY</span><o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> Nhcoll-l <nhcoll-l-bounces@mailman.yale.edu> <b>
On Behalf Of </b>Chinn, Anna RBCM:EX<br>
<b>Sent:</b> Wednesday, May 11, 2022 12:25 PM<br>
<b>To:</b> nhcoll-l@mailman.yale.edu<br>
<b>Subject:</b> [Nhcoll-l] Refrigeration for tanned skins<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="line-height:12.0pt;background:#FFEB9C"><b><span lang="EN-CA" style="font-size:9.0pt;color:#9C6500">External Email - Exercise Caution</span></b><span lang="EN-CA"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Hello all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">We are planning storage conditions for a new collections building. In our current building, all tanned mammal skins are stored in a refrigerated, locked
room. Recently, the fridge unit malfunctioned and the room had to be completely emptied. We are considering eliminating the fridge in the new building and integrating the tanned hides with the rest of the collection to avoid the risk of future melt down.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">I would love to hear your experiences with tanned hides. Have you found refrigeration to be a net benefit to preservation? We have been storing some
mounted taxidermy in the fridge room, as well. I am a little concerned that the fridge might make these specimens more prone to drying and cracking. Do other people have experience with this?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Thank you for all of your thoughts,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black">Anna<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-CA">______________________________________________________________________________________________</span></b><span lang="EN-CA" style="color:black;mso-fareast-language:EN-CA"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-CA">Anna Chinn (She/Her)</span></b><span lang="EN-CA" style="color:black;mso-fareast-language:EN-CA">
</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-CA">Collection Manager, Birds and Mammals | Collections Care and Conservation</span><span lang="EN-CA" style="color:black;mso-fareast-language:EN-CA">
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:12.0pt;font-family:"Univers LT Pro 55";color:black;mso-fareast-language:EN-CA">R</span><span lang="EN-CA" style="font-size:9.0pt;font-family:"Univers LT Pro 55";color:black;mso-fareast-language:EN-CA">OYAL</span><span lang="EN-CA" style="font-size:12.0pt;font-family:"Univers LT Pro 55";color:black;mso-fareast-language:EN-CA">
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</span><span lang="EN-CA" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-CA">Traditional Territory of the Lekwungen (Songhees and Xwsepsum Nations)<br>
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