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Entry  Mon Aug 15 14:10:56 2011, Jenne, Update, SUS, Monday SUS update 7x
    Reply  Mon Aug 15 17:36:10 2011, jamie, Update, SUS, Strangeness with ETMY (was: Monday SUS update) 
    Reply  Tue Aug 30 09:51:37 2016, Steve, Update, SUS, the chamber HEPA tents are back ETMYtentHEPA.jpgvented_for_60_days.png
       Reply  Wed Aug 31 23:01:02 2016, gautam, Update, SUS, the chamber HEPA tents are back 
          Reply  Thu Sep 1 15:40:52 2016, Steve, Update, SUS, HEPAs on each chamber door chamberDoorHepaEA.pdf
Message ID: 12461     Entry time: Thu Sep 1 15:40:52 2016     In reply to: 12458
Author: Steve 
Type: Update 
Category: SUS 
Subject: HEPAs on each chamber door 

This is an option to isolate the vacuum chamber from the dusty 40m lab: 4x8 HEPA unit or Air Curtain

It does not limit crane operations. Here is some  science based approach to air filters

Lets put horizontal and vertical witness plates next to our arm cavity TMs just before pumpdown.


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