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Entry  Fri Oct 18 15:18:49 2013, Steve, Update, PEM, particle count peak or ... PEMcount?.pngPemCountPeak?No.png
    Reply  Tue Oct 22 10:12:33 2013, Steve, Update, PEM, south arm AC intake duct checked PEM0.5micron60d.pngsouthArmIntakeNorth.jpgSouthArmMidIntakeWipe.jpg
       Reply  Wed Jun 11 08:57:49 2014, Steve, Update, PEM, air cond maintenance tomorrow morning 
Message ID: 9257     Entry time: Tue Oct 22 10:12:33 2013     In reply to: 9254     Reply to this: 10023
Author: Steve 
Type: Update 
Category: PEM 
Subject: south arm AC intake duct checked 

  The 4th week of no wet mopping of the floor  and no wet wiping  the vacuum envelope.


We cleaned the intakes of the south arm IFO air condition. The bottom duct have quite a bit accumulation Atm1

See wet wiped contrast on Atm2

We found 3 holes around pipes ( coming from CES ) on the east wall that has to be sealed.

After closer examination of these holes, they are sealed off well.

Attachment 1: PEM0.5micron60d.png  27 kB  | Hide | Hide all
Attachment 2: southArmIntakeNorth.jpg  112 kB  Uploaded Tue Oct 22 11:59:07 2013  | Hide | Hide all
Attachment 3: SouthArmMidIntakeWipe.jpg  64 kB  Uploaded Tue Oct 22 11:59:45 2013  | Hide | Hide all
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