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<p class="MsoNormal">To all,<o:p></o:p></p>
<p class="MsoNormal">I have several questions about the use of sub-micron filtration (<0.1 micron) in the industry.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ol style="margin-top:0in" start="1" type="1">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">How many of you are using sub-micron filtration in your primary demineralizer (Let down system here) and spent fuel pool systems?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">What dose rate limits do you use for change out of those filters?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">For those using them, how much has the smaller filter size impacted change out frequency?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Have the smaller filter sizes had a worthwhile impact on plant source term?
<o:p></o:p></li></ol>
<p class="MsoListParagraph"><o:p> </o:p></p>
<p class="MsoListParagraph" style="margin-left:0in">Thank you for your answers,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cris Mingus<o:p></o:p></p>
<p class="MsoNormal">Davis-Besse ALARA Services Supervisor<o:p></o:p></p>
<p class="MsoNormal">Work (419) 321-7854<o:p></o:p></p>
<p class="MsoNormal">Cell (419) 707-3188<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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