Date: Mon, 17 Mar 2008 12:32:34 -0700
Reply-To: "Debbie M. Decker" <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Debbie M. Decker" <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
Subject: FW: Laboratory Ventilation
Comments: To: UCIH Program Management Group
Comments: cc: tjanders**At_Symbol_Here**
Any input?  I've not heard of this technology.




Debbie M. Decker, Campus Chemical Safety Officer
Environmental Health and Safety
University of California, Davis
1 Shields Ave.
Davis, CA  95616
(530)754-7964/(530)752-4527 (FAX)
Co-Conspirator to Make the World A 
Better Place -- Visit
  and join the conspiracy



From: Anderson, Thomas J (Facilities & Services)
Sent: Fri 3/14/2008 8:49 AM
To: Environmental Health And Safety Help Desk
Subject: Laboratory Ventilation

Dear Colleagues, 

The University of Illinois is considering upgrading some of our
laboratory ventilation to incorporate sustainability principles.  One
technology we are considering is the use of molecular sieve heat
recovery wheels.  I'm wondering if anyone on your faculty or staff has
any experience with this technology.  One of our central questions is
whether there is potential for carry-over of waste gases from the
exhaust to the supply side of the wheels.  Molecular sieves (3 angstrom)
are designed to recover water.  Are you aware of any problems with
carry-over of other small molecules, such as ammonia and methane?  

Any information you might have would be helpful.  My contact information
is given below. 

Best regards. 

Tom Anderson 


Tom Anderson, PhD, CIH 
Associate Director, Safety & Compliance 
University of Illinois Urbana-Champaign 
145J Physical Plant Service Bldg, M/C 821 
1501 S. Oak Street 
Champaign, IL 61820 
Mobile: (217)819-2850 
E-mail: tjanders**At_Symbol_Here** 


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