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Message ID: 65     Entry time: Wed Jul 27 11:27:11 2016
Author: Gabriele 
Type: Facility 
Category: General 
Subject: Pumps stopped and venting 

11:25am LT: closed valve between roughing and turbo pumps, switched off both pumps. Turbo pump is slowing down

After lunch I opened the chamber and removed everything from the inside.

The chamber around the vacuum gauge is really dirty now, see picture:

In addition, the electrostatic driver shows some signs of "burn" even though it was still working quite well. Unfortunately, whatever happened contaminated our sample:

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