cheryl.vorvick@LIGO.ORG - posted 06:10, Wednesday 02 August 2017 - last comment - 08:45, Wednesday 02 August 2017(37960)
EY dust alarms tonight - maybe from the smoke rolling in?
Around 7:00UTC the dust levels at EY started to climb, and then started to alarm 10:00UTC. The level of dust at EY was similar to the dust levels from Maintenance. At some point last night smoke rolled in, and not sure how the EY VEA would get smoke inside, but this might be an explanation for the high dust levels. Plot attached.
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Elevated counts and alarms are to be expected during these hazy high particulate laden days. Not much we can do about it until the air clears. Operators - Please keep an eye on the alarms. Let me know of any unusually high counts or persistent alarms. These may indicate a leak to the outside air.