Date: Wed, 9 Jun 2010 16:09:02 -0500
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: "Long, Don" <don.long**At_Symbol_Here**WGINT.COM>
Subject: Re: CO Detector for Academic Lab
In-Reply-To: A<20100609.154234.1608.0**At_Symbol_Here**>

Keep in mind that hydrogen is an interferent to CO detectors - so if 
hydrogen is being used in your lab (i.e. fuel source for GCs) you will 
have to determine quite quickly which issue you have when you have an 
alarm - CO or H2.

Don A. Long
Southwest Research Institute Laboratory
Pine Bluff Chemical Agent Disposal Facility
PO Box 20130
White Hall, AR  71612

-----Original Message-----
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU]On Behalf Of
Sent: Wednesday, June 09, 2010 3:43 PM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: Re: [DCHAS-L] CO Detector for Academic Lab

Use an industrial grade detector - the residential types are not 
intrinsically safe and would not pass OSHA electrical code for 
laboratory use - too many potential flammables.  We have been cited in 
industry for using residential type items unless they are intrinsically 
safe or double insulated, etc.
Lynn Knudtson

---------- Original Message ----------
From: Matt Lundgren 
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: [DCHAS-L] CO Detector for Academic Lab
Date: Wed, 9 Jun 2010 14:59:48 -0400

It seems we have more and more labs wanting to work with carbon monoxide 
I'm wondering when you require a detector and what type.  Where do you 
the line for requiring a detector?  Do you allow residential detectors 
for certain 
processes?  When do you require a detector be linked into a 
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 a 
single cylinder.

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