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Previous by Date: Subject: Re: [DCHAS-L] Hazard Assessment Examples Date: Wednesday, November 9, 2016 at 12:55:45 PM Author: TILAK CHANDRA <tilak.chandra**At_Symbol_Here**WISC.EDU> |
Next by Date: Subject: Re: [DCHAS-L] Exhaust fan design question Date: Wed, 9 Nov 2016 21:12:22 +0000 Author: "Glode, Andy" |
I have a exhaust fan design question that someone in this group may be able to comment on. We have a spray paint booth in our wood shop (2014-vintage) with a lab style fan (Vektor-H Laboratory Exhaust System - Greenheck Fan) on it. It is turned on and off as needed with a off/low/high switch, but when we turn it on, there is no apparent response for about 5 minutes. This makes it difficult to convince the booth users that the system is working, since they may complete their work in the booth (e.g. spray painting a piece) before the system is fully operational.
I realize that most lab fan systems are on 24/7, but I wonder if anyone has run into similar situations with systems which are designed to be turned on and off routinely?
Thanks for any thoughts about this.
- Ralph
Ralph Stuart, CIH, CCHO
Chemical Hygiene Officer
Keene State College
ralph.stuart**At_Symbol_Here**keene.edu
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