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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In the museum field, it is common to use a kit or a procedure similar to the one here:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://ellencarrlee.wordpress.com/2009/01/14/arsenic-testing-step-by-step/">http://ellencarrlee.wordpress.com/2009/01/14/arsenic-testing-step-by-step/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Using a known positive and a known negative in a rigorous way is important in making sure the results are valid.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Some museums now have the ability to use a portable XRF for testing of some pesticide toxins in which the elements are heavy enough to be detected (Arsenic,
mercury, lead etc). There are toxins that are present on taxidermy specimens that are not visible to XRF.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am not aware of a museum saying “certified clean” for arsenic because your test is only valid for the sample area you have tested. We tend to say, “no arsenic
detected in sample” or something similar. Usually many areas of the specimen are tested to increase the confidence in the results.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am aware of arsenic being used on taxidermy well into the 1980’s. If there is no specific law against it, it could be used past then as well.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ellen Carrlee<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Objects Conservator<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Alaska State Museum<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> nhcoll-l-bounces@mailman.yale.edu [mailto:nhcoll-l-bounces@mailman.yale.edu]
<b>On Behalf Of </b>Rortvedt deZero<br>
<b>Sent:</b> Tuesday, June 25, 2013 10:30 AM<br>
<b>To:</b> nhcoll-l@mailman.yale.edu<br>
<b>Subject:</b> [Nhcoll-l] Hazardous materials<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black"><br>
Hello,<br>
<br>
Do you use a commercial laboratory to test animal taxidermy mounts for the presence of arsenic and other hazardous materials ?<br>
<br>
If not, do you use a home test kit? I became aware of Weber's test. Is this an "industry standard"?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black">Is there a "certified clean" certification or something similar? Is there a regimen of materials for which testing should be done? I know about As, Hg, Pb.
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black">Is there a year before which you assume a mount has been treated with arsenic?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black">Ralph North, CHMM<br>
Environmental Affairs Specialist<br>
University of Wisconsin System <br>
Office of Safety and Loss Prevention<br>
780 Regent St.<br>
Madison, WI 53715-2635<br>
<span class="object"><a href="mailto:rnorth@uwsa.edu">rnorth@uwsa.edu</a></span><br>
(608) 263-4419 <o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"><o:p> </o:p></span></p>
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