HI,
I have came across an observation ie, 3 dispensing booths (class100) LAF,are situated in class 10000 area with out any airlock separation ,does gauges on LAF will show any diflection when the LAF is off & AHU system is on in that perticular area.
Thanks & regards
Vishwesh
To All
No Way of Diflection
Regards
A.Aziz