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Date: Tue, 13 Apr 2010 15:06:34 -0400
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From: Pierre Chantal <Pierre.Chantal**At_Symbol_Here**HC-SC.GC.CA>
Subject: Re: Explosion Proof Refrigerators
In-Reply-To: <676144321.9475261271179307236.JavaMail.root**At_Symbol_Here**sz0055a.emeryville.ca.mail.comcast.net>
I have a similar discussion with sales rep from Fisher. They are making
the distinction between "flammable material storage" and "explosion proof"
refrigerators. Usually any explosion proof equipment have to be installed
in an "explosion proof" environment. i.e. that all eletrical devices and
setup have to be rated "explosion proof" as well. This have to do with the
building code that may vary with the regions, states or provinces.
Hope this help
Pierre Chantal
Section Head-Chemistry
Product Safety Laboratory
1800 Walkley road
A.L.6402A2
Ottawa, On, K1A0K9
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2010-04-13 01:21 PM
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[DCHAS-L] Explosion Proof Refrigerators
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
I have a similar discussion with sales
rep from Fisher. They are making the distinction between "flammable
material storage" and "explosion proof" refrigerators. Usually
any explosion proof equipment have to be installed in an "explosion
proof" environment. i.e. that all eletrical devices and setup have
to be rated "explosion proof" as well. This have to do with the
building code that may vary with the regions, states or provinces.
Hope this help
Pierre Chantal
Section Head-Chemistry
Product Safety Laboratory
1800 Walkley road
A.L.6402A2
Ottawa, On, K1A0K9
drsamples**At_Symbol_Here**COMCAST.NET
Sent by: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**list.uvm.edu>
2010-04-13 01:21 PM
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Subject
| [DCHAS-L] Explosion Proof Refrigerators |
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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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