From: Dr Bob <drbob**At_Symbol_Here**FLOWSCIENCES.COM>
Subject: Re: [DCHAS-L] possible conversion of under-hood acid cabinet to flammables?
Date: Thu, 10 Oct 2019 11:56:26 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 38093121a6c14ffe987ce678eaa03469**At_Symbol_Here**flowsciences.com
In-Reply-To


Hello Melinda Box!

 

I'm attaching the link to a paper I did on the differences between solvent and corrosive cabinets and how venting is currently done under fume hoods. I hope it answers some of your questions!

 

https://flowsciences.com/venting-fume-hood-base-cabinets/

 

Dr. Bob Haugen

Director of Product and Technology Development

Flow Sciences, Inc.

 

910 332 4878

 

Containment Products ¥ Get a Quote/Consultation ¥ Get Support/Replacement Parts

 

CONFIDENTIALITY NOTE: This e-mail, including all attachments, is directed in confidence solely to the person(s) to whom it is addressed, or an authorized recipient, and may not otherwise be distributed, copied or disclosed. The contents of this transmission may also be subject to intellectual property rights and all such rights are expressly claimed and are not waived. The contents of this e-mail do not necessarily represent the views or policies of Flow Sciences Inc. or its employees.

 

From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Melinda Box
Sent: Wednesday, October 9, 2019 4:26 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] possible conversion of under-hood acid cabinet to flammables?

 

Hi, all,

 

I am searching on behalf of a lab that does a significant volume of fundamental organic synthesis. As a result, they need to store so many 4-L bottles of flammable solvent near their work space that they are using the acid storage cabinets for flammables.  (Under each hood there is one acid storage cabinet and one flammables storage cabinet.)

 

The acid storage cabinets are distinguishable by the vents on the doors and the PTFE lining of the walls and floor inside the cabinet.  The flammables storage cabinets are designed with no vents (specifically on the cabinet doors) and ~1" of material mounted in a metal sheeted case on each side of the cabinet, presumably something flame resistant or retardant.  So I am wondering if others have experience with a conversion of this sort.  (Replacing the whole cabinet would be excessively disruptive and cost prohibitive.)

 

For example it is it within acceptable practice to just replace the doors to the cabinet so that flammables storage does not have vents?  Or to be up to fire code, would one be required to also change the lining of the cabinet (also prohibitive)?

 

Thanks for any experience on this matter you might be willing to contribute,

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