[labnetwork] Cleanroom air showers: On or off?

[DeRose, Guy A.]

Hello group,

A few months ago during the height of the pandemic one of our lab users who also works in another cleanroom in our local area had mentioned that they had disabled the air shower from the gowning room to the main cleanroom as a covid precaution.  Following that, we did the same at Caltech.

If your cleanroom has an air shower between the gowning area and main cleanroom, I would like to ask a few questions.
Did you turn your air shower off at any point as a covid precaution?
If so, have you resumed using the air shower?
Did you ever get any direction from your safety department on whether to use it or not?
Have you found a noticeable difference in how clean the lab is when it is in use vs disabled?

As we are ramping our research activities back up on campus, we are looking for guidelines from other labs on best practices, and this is an area of interest.

Thanks and best regards,
Guy

Guy DeRose, PhD, Member of the Professional Staff
Associate Director of Technical Operations, Kavli Nanoscience Institute
California Institute of Technology, Pasadena, CA USA
(O) 1-626-395-3423 (M) 1-626-676-8529
http://kni.caltech.edu
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