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From: Samuella B. Sigmann <sigmannsb**At_Symbol_Here**APPSTATE.EDU>
Subject: Uranyl Acetate
Date: Apr 13, 2010 21:37 UTC
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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