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Previous by Date: Subject: [DCHAS-L] The Scientist article: When Should Service Dogs Be Admitted into the Lab? Date: Wednesday, December 19, 2018 at 10:57:28 AM Author: DCHAS Membership Chair <membership**At_Symbol_Here**DCHAS.ORG>

Next by Date: Subject: Re: [DCHAS-L] [New post] A note on chemical storage cabinets Date: Wed, 19 Dec 2018 21:52:43 +0000 Author: "Stuart, Ralph"

Hi Ralph,

The blog post has a link to a presentation on airflow inside of storage cabinets. One of the conclusions was that resealing solvent bottles with Teflon tape brought VOCs to non-detectable concentrations. Does anyone know if they sealed under the cap (similar to how a plumber uses Teflon tape) or over the outside of the cap (similar to how chemists use parafilm)?

Thanks!
Jennifer

Jennifer Mattler, M.S.
Industrial Hygienist/Asst. Chemical Hygiene Officer
Dept. of Environmental Health and Safety
Stanford University
480 Oak Rd.
Stanford, CA, 94305-8007
650.723.0183 (direct line)
650.725.3468 (fax)

-----Original Message-----
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Dr Bob
Sent: Wednesday, December 19, 2018 5:43 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] [New post] A note on chemical storage cabinets

Hi All!

A quick side note here, resistivity of hinges increases if one uses cement board shelf inserts on corrosive cabinets. These tend to neutralize small acid spills and retard corrosive effects of acid vapors.

Dr. Bob Haugen
Director of Product and Technology Development Flow Sciences, Inc.

910 332 4878

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.

-----Original Message-----
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Stuart, Ralph
Sent: Wednesday, December 19, 2018 8:32 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] [New post] A note on chemical storage cabinets

> >Do you have the specs on the hinges?

I don't. I'll keep the option you mentioned in mind when the time comes.

> > Good news here is that it looks like the cabinets are wood, which holds up much better than metal, and it should be easy enough to replace those cup-style (European) hinges.

I suspect that the strength of wood vs metal chemical cabinets depends on the quality of the casework as well as its use. Most of our wooden casework here has held up well here over 14 years, but there are specific pieces where the drawers and cabinets have fallen apart. Coincidently(?), those pieces are used as solvent storage areas. I suspect that the wood glues do not hold up well to prolonged exposure to those fumes, no matter how well ventilated the overall lab is.

Thanks for sharing your thoughts on this.

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859

ralph.stuart**At_Symbol_Here**keene.edu

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