From: Dr Bob <drbob**At_Symbol_Here**FLOWSCIENCES.COM>
Subject: Re: [DCHAS-L] Fume hood article of interest
Date: Wed, 1 Sep 2021 17:57:09 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: BN8PR07MB63404B2B184C6CB00E2F4DBFD9CD9**At_Symbol_Here**BN8PR07MB6340.namprd07.prod.outlook.com
In-Reply-To


Hello Jack Brown and others on this string!

 

Additional issues on hood exhaust:

  1. Which strategies offer the "densest savings?"

See ACS Chemical health and Safety,3/2020.

https://pubs.acs.org/doi/10.1021/acs.chas.9b00013

 

  1. What can go wrong fume hood containment? Are there easy fixes?

           https://flowsciences.com/common-fume-hood-containment-problems/

 

  1. Can we do perchloric acid work in an ordinary fume hood?"  

           https://flowsciences.com/perchloric-acid-fume-hoods/

 

Dr. Bob Haugen

Director of Product and Technology Development

Flow Sciences, Inc.

 

910 332 4878

 

www.flowsciences.com
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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 <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Jack Brown
Sent: Wednesday, September 1, 2021 1:22 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] Fume hood article of interest

 

I would always caution that before turning down fume hoods ensure that you know the types of chemistry and compounds that are being handled and stored. In graduate labs it was and probably still a practice that the hoods were used to store especially hazardous materials. It is still a problem in industry as well to get our colleagues to understand how to properly use a hood.

Just my experience over the past 30 plus years in pharma.

 

On Wed, Sep 1, 2021 at 6:52 AM ALFRED BARKSDALE <adkb**At_Symbol_Here**comcast.net> wrote:

I am remember some times decades ago when turning a fume hood on was a novel act. After a generation or more of folks storing stuff at room temp in any lab with or without ventilation the advent of fume hoods was novel and most welcome. Internecine warfare at times.

Comments from others in the "elder generations".

> On 08/31/2021 9:53 AM Richard Palluzi <000006c59248530b-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:
>

> Remember though that NFPA 45 recommends you never let it go below 4 ACH even when unoccupied off hours.
>
> And, to add to your comment, I remember saving a lot by simply training our security guards to close any open hood doors that they found during their tours after 7 PM. And record the hood location so the PI could get a gentle - and then not so gentle - reminder until it became a habit.
>
> Richard Palluzi
> PE, CSP,FAIChE
>
> Pilot plant and laboratory consulting, safety, design, reviews, and training
> www.linkedin.com/in/richardppalluzillc/
>
> Richard P Palluzi LLC
> 72 Summit Drive
> Basking Ridge, NJ 07920
> rpalluzi**At_Symbol_Here**verizon.net
> 908-285-3782
>
> -----Original Message-----
> From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Ralph Stuart
> Sent: Tuesday, August 31, 2021 10:43 AM
> To: DCHAS-L**At_Symbol_Here**Princeton.EDU
> Subject: Re: [DCHAS-L] Fume hood article of interest
>
> > >Putting 58 fume hoods to sleep while unused results in substantial energy savings.
>
> Sometime I long for my days in the labs when fume hoods had these things called "on/off switches"
>
> - Ralph
>
> Ralph Stuart, CIH, CCHO
> ralph**At_Symbol_Here**rstuartcih.org
>
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