DCHAS-L Discussion List Archive
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Subject: Uranyl Acetate
Date: Tue, 13 Apr 2010 17:37:24 -0400
Author: John Longo
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Subject: Re: Hand sanitizer
Date: Tue, 13 Apr 2010 15:54:55 -0500
Author: "Amell, Diane (DLI)"
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Date: Tue, 13 Apr 2010 17:36:55 -0400
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Samuella B. Sigmann" <sigmannsb**At_Symbol_Here**APPSTATE.EDU>
Subject: Re: Explosion Proof Refrigerators
In-Reply-To: <676144321.9475261271179307236.JavaMail.root**At_Symbol_Here**sz0055a.emeryville.ca.mail.comcast.net>
An explosion proof unit will have to be direct wired into the grid.
They do not have a plug as that would be an ignition source for the
atmosphere.
Sammye
drsamples**At_Symbol_Here**COMCAST.NET wrote:
> I have a question about "explosion proof" or "explosion resistant"
> refrigerators/freezers. Where is the best place to put one in a lab?
> Where are places to avoid putting them in a lab? What kind of
> ignitions sources should be avoided and how far away from these
> sources can the flammable or explosion proof refrigerator be safely
> installed? Do we have to worry about nearby lights and electrical outlets?
>
> Another question that has come up for us is this: if the MSDS sheet
> states that mechanical ventilation is needed for a flammable solvent,
> does Cal OSHA mandate that this MSDS be followed? Obviously, for
> safety reasons we should, but we are having trouble getting our
> facilities people to understand this. The only thing they understand
> is when we say "it's the law". We are purchasing new stand-alone flam
> cabinets and we would like mechanical ventilation, but they don't want
> to go to the trouble and expense. Currently, the only mechanically
> ventilated flam cabinets we have are the small ones underneath fume
> hoods. These are in the teaching labs and they have no locks, so we
> are hesitant about using them to store larger quantities of flammable
> solvents.
>
> Thanks for any help!
>
> Marjorie Samples
> Chemistry Dept.
> Folsom Lake College
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