In addition to what Russ suggested – consider the following:
- Position/use of equipment in the hood (blocking baffles, raising on legs, etc)
- Body position and movement
- Air flow in the room (supply, return, doors, windows)
Engineers are key players in designing ventilation solutions, so knowing the right place to locate a CFH in a space is critical to the overall success of building ventilation.
The different types of system, Constant, Auxiliary, Variable Air,
The different types of hoods, bypass, non-bypass, perchloric Acid, etc.
Howthe depth of hood affects the containment characteristics
Why 100 fpm is generally able to contain
What the various ‘low flow’ hoods mean and their nuances
The way hoods are tasted (ASHRAE 110-1995)
Roof exhaust velocity
Low profile High velocity exhaust fans
Air modeling studies
How long did you say you had to teach?
Russell Vernon, Ph.D.
Environmental Health & Safety
University of California, Riverside
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Riverside, CA 92521
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From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU]
On Behalf Of Kim Gates
Sent: Thursday, October 10, 2013 12:02 PM
Subject: [DCHAS-L] Fume Hood & Lab ventilation presentation for Engineering students - what would you include?
I have the opportunity to give a 1 hr presentation to the Engineering student section of ASHRAE that meets on our campus. I am going to talk about fume hoods & lab ventilation. I will give a short presentation and then take them to a lab so they can test face velocity with my various Alnors.
I'm planning on including ASHRAE Industrial Ventilation, ANSI/AIHA Z9.5, SEFA-1, NFPA 45, Laboratory Fume Hoods by G. Thomas Saunders, and Laboratory Ventilation Work Book by D. Jeff Burton as resources..
As a chemical safety professional, what do you wish the graduating Engineering students knew about fume hoods and lab ventilation?
Thanks, as usual, for your input!
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