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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: 10023     Entry time: Wed Jun 11 08:57:49 2014     In reply to: 9257
Author: Steve 
Type: Update 
Category: PEM 
Subject: air cond maintenance tomorrow morning 

Quote:

  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.

 Air condition maintenance will be finished by 11:30am tomorrow.

 

Yesterday, Kelvin mopped with chemicals the whole floor area of the  lab. This was triggered by some  visiting  ants at our PSL last week. It was 6 months since we had the last fully wet mopped IFO floor.

The cleaning- mopping water became   very dirty at the end.

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