1) Post letdown filters
BWD U1 = 0.1 micron BWD U2 = 0.05 micron 2) U1 = No, U2 = Yes 3) 0.1 micron during forced oxidation. Also during start-up we increase to 0.45 micron Harry L Miller Exelon Nuclear Braidwood Station 815-417-2713 [email protected] ________________________________ From: [email protected] [mailto:[email protected]] On Behalf Of MCCULLAH, A MICHAEL Sent: Tuesday, May 22, 2012 10:42 AM To: [email protected] Subject: Powernet: Filter Micron Size Arkansas Nuclear One Radiation Protection would like to know: 1. What is the micron size of your "Letdown / Make-up / RHR" filters used during normal operations? 2. Do you change size prior to an outage for crud-burst clean up? 3. If so, what size do you change to? Bob Sebring Radiation Protection Arkansas Nuclear One 1448 SR 333 Russellville, AR 72802 479-858-4841 [email protected] ----------------------------------------- ************************************************** This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender immediately and permanently delete the original and any copy of this e-mail and any printout. Thank You. **************************************************
