Date: Wed, 9 Jun 2010 14:03:25 -0700
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: Frank Demer <demer**At_Symbol_Here**EMAIL.ARIZONA.EDU>
Subject: Re: CO Detector for Academic Lab
In-Reply-To: <LISTSERV%201006091459483480.067B**At_Symbol_Here**LIST.UVM.EDU>

Residential CO detectors are not applicable to the workplace (refer to the
detector's instructions).  They respond too slowly.  If there is a potential
for a hazardous exposure, I recommend an industrial monitor since CO has no
warning properties.  This is a good, relatively inexpensive monitor:  Under certain circumstances (e.g.,
unattended use), I recommend connecting the CO monitor (and exhaust flow
monitor) to a fail close valve at the regulator.  Here are some other toxic
gas safety issues to consider:

My 2-cents,
-Frank Demer    

-----Original Message-----
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of
Matt Lundgren
Sent: Wednesday, June 09, 2010 12:00 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] CO Detector for Academic Lab

It seems we have more and more labs wanting to work with carbon monoxide and

I'm wondering when you require a detector and what type.  Where do you draw 
the line for requiring a detector?  Do you allow residential detectors for
processes?  When do you require a detector be linked into a communication 
system for alarms, security, etc?  Is this based upon quantity, the process,
all of 
the above?  The labs will have quantities ranging from 80-140 cubic feet in
single cylinder.

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