On that kind, it's handy to put the pane of glass between you and what you're working on and reach around.
However, we've found employees removing the panes of glass because they didn't have enough horizontal room to work. Instead of raising the sash and using it like a normal hood, they took out the panes of glass.
When the inevitable happened and a pane was dropped and cracked, it took a while for the manufacturer to cut a pane to replace it. Note: the first people we talked to didn't know what we were talking about when we called to get the replacement glass. We had to send them pictures and measurements.
Also, once the glass panes lose their rubber bumpers, they bang together and chip at the edges.
We are moving into a new building and I made sure we didn't have these.
The convenience of using a pane of glass as a shield isn't worth the other inconveniences we've had with them.
Brady P. Arnold
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Wolff, Marie
Sent: Wednesday, August 05, 2015 2:10 PM
Subject: Re: [DCHAS-L] Fume Hoods
I have a different fume hood question. We are in the design stage of one new chemistry lab at a subcampus. Architects are telling us that hoods with a combination sash (that can work horizontally or vertically) are available and would be better for students who need accommodations. Does anyone have experience with this kind of fume hood? What are the advantages/disadvantages of the combination sash fume hood?
Dr Marie Wolff
Physical Science Coordinator
Natural Science Department
Joliet Junior College
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