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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Same for Columbia. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>-Nava<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'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Nava Ariel-Sternberg, Ph.D.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Director of CNI Shared Labs<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Columbia University<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>CEPSR/MC 8903 <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>530 west 120<sup>th</sup> st. NY<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>NY 10027<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Office: 212-8549927<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Cell: 201-5627600<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></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><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-bounces@mtl.mit.edu <labnetwork-bounces@mtl.mit.edu> <b>On Behalf Of </b>Aebersold,Julia W.<br><b>Sent:</b> Monday, December 7, 2020 11:01 AM<br><b>To:</b> Manish Keswani <manish.keswani01@gmail.com>; labnetwork@mtl.mit.edu<br><b>Subject:</b> Re: [labnetwork] Toxic gases<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'>The Micro/Nano Technology Center at the University of Louisville has the same protocol. We do not turn off our cylinders, but they controlled by our gas cabinets and TGMS system.<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-family:"Calibri",sans-serif;color:black'><o:p> </o:p></span></p></div><div id=Signature><div><div id=divtagdefaultwrapper><div><div><div><div><div><div><div><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Cheers!<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'><o:p> </o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Julia Aebersold, Ph.D.<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Manager, Micro/Nano Technology Center<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>University of Louisville<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>2210 South Brook Street<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Shumaker Research Building, Room 233<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>Louisville, KY 40292<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'>(502) 852-1572<o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'><a href="http://louisville.edu/micronano">http://louisville.edu/micronano/</a><o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black'><o:p> </o:p></span></p></div></div></div></div></div></div></div></div></div></div></div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="98%" align=center></div><div id=divRplyFwdMsg><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:black'> <a href="mailto:labnetwork-bounces@mtl.mit.edu">labnetwork-bounces@mtl.mit.edu</a> <<a href="mailto:labnetwork-bounces@mtl.mit.edu">labnetwork-bounces@mtl.mit.edu</a>> on behalf of Manish Keswani <<a href="mailto:manish.keswani01@gmail.com">manish.keswani01@gmail.com</a>><br><b>Sent:</b> Sunday, December 6, 2020 3:26 PM<br><b>To:</b> <a href="mailto:labnetwork@mtl.mit.edu">labnetwork@mtl.mit.edu</a> <<a href="mailto:labnetwork@mtl.mit.edu">labnetwork@mtl.mit.edu</a>><br><b>Subject:</b> Re: [labnetwork] Toxic gases</span> <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div></div><div><p class=xmsonormal style='line-height:12.0pt;background:#FF4D4D'><b><span style='font-size:10.0pt;color:black'>CAUTION:</span></b><span style='font-size:10.0pt;color:black'> This email originated from outside of our organization. Do not click links, open attachments, or respond unless you recognize the sender's email address and know the contents are safe.</span><o:p></o:p></p><div><div><div><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'>Thank you so much everyone for such an enthusiastic response. It seems clear that at most facilities (if not all), the gas cylinders are always kept open. We also have TGMS in our cleanroom which allows monitoring of the toxic gases at multiple locations (source and delivery point) and will shut off the ESO valve in the event of a leak. <o:p></o:p></span></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'>We will work with our safety and ES&H teams to change our current practice of turning off the gases when not in use.<o:p></o:p></span></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'>Regards,<o:p></o:p></span></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'>Manish <o:p></o:p></span></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><img border=0 width=624 height=861 style='width:6.5in;height:8.9687in' id="_x0000_i1026" src="cid:image001.png@01D6CC92.F54FFD80" alt=image.png><o:p></o:p></p><p class=xmsonormal style='margin-bottom:8.0pt;line-height:106%'><span style='font-size:11.0pt;line-height:106%;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal>On Fri, Dec 4, 2020 at 2:11 PM Manish Keswani <<a href="mailto:manish.keswani01@gmail.com">manish.keswani01@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><div><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Happy Friday everyone,<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>I have a question related to toxic gases in our nano fabrication center.<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>We typically shut off our toxic gases at the source when not in use, using the in line valves on the Safety Manifolds, the ESO valves, and the cylinder valve. This is to comply with the administrative control stated in our gas safety notes. The following question came up for toxic gases. I would like to understand how this is being done at other facilities and the reasoning behind it.<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>“Is there a good reason we turn off the toxic gases at the end of the day instead of just leaving them on? It seems like if there is a risk, it would be wear and tear on the valves etc, plus someone going in vault often to do it.”<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Thanks in advance,<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Manish Keswani<o:p></o:p></span></p><p class=xmsonormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Lawrence Livermore National Laboratory<o:p></o:p></span></p></div></div></blockquote></div></div></div></div></div></body></html>