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Reports until 17:21, Friday 18 July 2014
H1 General
matthew.heintze@LIGO.ORG - posted 17:21, Friday 18 July 2014 (12859)
HAM4 and 5 particle counts

Particle counts for this afternoons session in HAMs 4 and 5

HAM4

Cleanroom start of session

All zero counts.

 

Chamber start of session:

0.3um....350 counts

0.5um.....150 counts

0.7um...60 counts

1.0um....40 counts

2.0um...10 counts

5.0um...0 counts

 

Chamber end of session

0.3um....70 counts

0.5um...20 counts

0.7um.....20 counts

1.0um....20 counts

2.0um....20 counts

5.0um....0 counts

 

 

HAM5

Cleanroom start of Session

All counts zero

 

Chamber start of session

0.3um....160 counts

0.5um....70 counts

0.7um....30 counts

1.0um....30 counts

2.0um...10 counts

5.0um...0 counts

 

Chamber end of session:

0.3um.....130 counts

0.5um...30 counts

Rest...zero counts

 

As an added note: it was interesting that I could smell the First contact as it was being applied in BSC2 all the way up at HAM5 when I was working there. Just more interesting than anything as shows how the purge can propogate stuff from that chamber all the way to HAM5

 

I have included photos in case people are also interested in temp or RH in chamber at time

Images attached to this report
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