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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif;color:#1F497D'>Hello to All,<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif'>At about 0845 on 12Mar18, <span style='color:red'>a</span><span style='color:#1F497D'> </span>quick test identified a Hall C liquefaction load on ESR of about 10 g/s. The warm return the valve configuration was changed one hall at time. Therefore, the extra loading of ESR disallows cooling of Hall B and filling the ESR dewar.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif;color:#1F497D'>Is there an issue (past or present) within Hall C? Is there an issue (past or present) within Hall C? For example, it is conceivable that a past contamination may cause a problem today.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif;color:#1F497D'>Thanks!<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:8.0pt;line-height:105%'><span style='font-size:12.0pt;line-height:105%;font-family:"Times New Roman",serif'>-----------------<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Joe D. Wilson, Jr.<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Cryogenic Operations Engineer<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>Jefferson Lab<o:p></o:p></span></b></p><p class=MsoNormal><a href="http://www.jlab.org/"><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>www.jlab.org</span></a><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>757-269-7722<o:p></o:p></span></p><p class=MsoNormal><a href="mailto:jwilson@jlab.org"><span style='font-size:12.0pt;font-family:"Times New Roman",serif'>jwilson@jlab.org</span></a><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>