A small point, Mark. For the fume hoods the criterion was 100 ft/min airflow velocity…
Oh, my! That is a Typhoon!
I read your 100 ft/min as though it was a typo for 100 CuFt/Min. That is serious air! 
I’ve been enBunnySuited only once and it was not fun trying to work inside. I could never get the airflow right so that it didn’t steam up my glasses.
mark