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<p class="MsoNormal"><span style="font-size:11.0pt">Dr. Dixon,<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">We use a MetOne GT-321. It is one of their older models.
<a href="https://metone.com/product-categories/controlled-environments-clean-rooms/">
https://metone.com/product-categories/controlled-environments-clean-rooms/</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Times New Roman",serif">Nathan C. Aultman<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Times New Roman",serif">University of Central Florida<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Times New Roman",serif">407-823-6852<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Times New Roman",serif"><a href="mailto:naultman@creol.ucf.edu"><span style="color:#0563C1">naultman@creol.ucf.edu</span></a><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"> labnetwork <labnetwork-bounces@mtl.mit.edu>
<b>On Behalf Of </b>Alex Dixon<br>
<b>Sent:</b> Monday, March 23, 2026 4:22 PM<br>
<b>To:</b> Network Fab <labnetwork@mtl.mit.edu><br>
<b>Subject:</b> [labnetwork] Cleanroom Particle Monitors<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Hi Everyone, I was wondering what people use for particle measurement systems in their cleanrooms? We are trying to add active particle monitoring to our cleanroom facilities. I was looking at the lasair pro from
"Particle Measuring Systems" <a href="https://www.pmeasuring.com/">https://www.pmeasuring.com/</a> but university procurement is asking me to put together some other options. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">-Alex<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121;background:white">__________________________________________________________</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121;background:white">Alex Dixon, Ph.D. (He/Him)</span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121">Lab Manager<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121">Nanofabrication and Thin Film Deposition<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121;background:white">Shared Instrument Facility </span><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#212121">Colorado School of Mines<o:p></o:p></span></p>
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