<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="PlaceType"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="PlaceName"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="place"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
p.MsoToc1, li.MsoToc1, div.MsoToc1
{margin-top:6.0pt;
margin-right:0in;
margin-bottom:6.0pt;
margin-left:0in;
font-size:14.0pt;
font-family:"Times New Roman";
text-transform:uppercase;
font-weight:bold;}
p.MsoToc2, li.MsoToc2, div.MsoToc2
{margin-top:3.0pt;
margin-right:0in;
margin-bottom:0in;
margin-left:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";
font-weight:bold;}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p.MsoAutoSig, li.MsoAutoSig, div.MsoAutoSig
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
span.EmailStyle19
{mso-style-type:personal-compose;
font-family:Arial;
color:windowtext;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.25in 1.0in 1.25in;}
div.Section1
{page:Section1;}
-->
</style>
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>A failure of a component in the ultrapure water system (aka
DI Water, nano-grade water) makes it necessary for us to shut down the system. We
will shut down the system and begin work at <b><span style='font-weight:bold'>9:30
AM on Friday</span></b>, 9 November 2007 (tomorrow). Depending on the
problem, we may be back up by 12:00 noon or it may be Saturday morning before
we are operational. We will put out another message when the system
returns to operation.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>During this time, no rinse water will be available, so there
should be <b><span style='font-weight:bold'>NO ACID PROCESSING</span></b> in
the cleanroom or laboratories.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thank you for your understanding and cooperation during this
unplanned maintenance activity.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>John Weaver<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><b><i><font size=2 face="Times New Roman"><span
style='font-size:10.0pt;font-weight:bold;font-style:italic'>John R. Weaver<o:p></o:p></span></font></i></b></p>
<p class=MsoAutoSig><b><i><font size=2 face="Times New Roman"><span
style='font-size:10.0pt;font-weight:bold;font-style:italic'>Facility Manager<o:p></o:p></span></font></i></b></p>
<p class=MsoAutoSig><st1:place w:st="on"><st1:PlaceName w:st="on"><b><i><font
size=2 face="Times New Roman"><span style='font-size:10.0pt;font-weight:bold;
font-style:italic'>Birck</span></font></i></b></st1:PlaceName><b><i><font
size=2><span style='font-size:10.0pt;font-weight:bold;font-style:italic'> <st1:PlaceName
w:st="on">Nanotechnology</st1:PlaceName> <st1:PlaceType w:st="on">Center</st1:PlaceType></span></font></i></b></st1:place><b><i><font
size=2><span style='font-size:10.0pt;font-weight:bold;font-style:italic'><o:p></o:p></span></font></i></b></p>
<p class=MsoAutoSig><st1:place w:st="on"><st1:PlaceName w:st="on"><b><i><font
size=2 face="Times New Roman"><span style='font-size:10.0pt;font-weight:bold;
font-style:italic'>Purdue</span></font></i></b></st1:PlaceName><b><i><font
size=2><span style='font-size:10.0pt;font-weight:bold;font-style:italic'> <st1:PlaceType
w:st="on">University</st1:PlaceType></span></font></i></b></st1:place><b><i><font
size=2><span style='font-size:10.0pt;font-weight:bold;font-style:italic'><o:p></o:p></span></font></i></b></p>
<p class=MsoAutoSig><b><i><font size=2 face="Times New Roman"><span
style='font-size:10.0pt;font-weight:bold;font-style:italic'>(765) 494-5494<o:p></o:p></span></font></i></b></p>
<p class=MsoAutoSig><b><i><font size=2 face="Times New Roman"><span
style='font-size:10.0pt;font-weight:bold;font-style:italic'>jrweaver@purdue.edu<o:p></o:p></span></font></i></b></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
</body>
</html>