There should be two dust monitors in the clean room at end Y with the test mass. The signals for counts > .5 microns are H0:PEM-EY_DST1_5 and H0:PEM-EY_DST2_5. Their alarm levels are currently set at

> 0.3 microns minor: 100 major: 200
> 0.5 microns minor: 100 major: 200

They have been added to the strip tool running on the operator's station. There will be heavy mechanical work going on there to combine the two BSC chambers, so it is important to watch these and alert the crew at end Y if they spike.