DCHAS-L Archives · Post dated March 19, 2014

Re: [DCHAS-L] Ductless fumehoods or Not.

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Subject: Re: [DCHAS-L] Ductless fumehoods or Not.

Date: Mar 19, 2014 16:13 UTC

Author: Daniel Crowl <crowl**At_Symbol_Here**MTU.EDU>

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Subject: Re: [DCHAS-L] Ductless fumehoods or Not.

Date: Mar 19, 2014 16:46 UTC

Author: Daniel Crowl <crowl**At_Symbol_Here**MTU.EDU>

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From: Monona Rossol <actsnyc**At_Symbol_Here**cs.com>

Subject: Re: [DCHAS-L] Ductless fumehoods or Not.

Date: Mar 19, 2014 16:34 UTC

Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>

In-Reply-To:

Demystify:

Oh, goody. I think I love you! Many thanks. And when I get time, I'll see if it is in the latest version also.

Monona Rossol, M.S., M.F.A., Industrial Hygienist

President: Arts, Crafts & Theater Safety, Inc.

Safety Officer: Local USA829, IATSE

181 Thompson St., #23

New York, NY 10012 212-777-0062

actsnyc**At_Symbol_Here**cs.com www.artscraftstheatersafety.org

-----Original Message-----
From: Daniel Crowl <crowl**At_Symbol_Here**MTU.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sent: Wed, Mar 19, 2014 12:22 pm
Subject: Re: [DCHAS-L] Ductless fumehoods or Not.

Look at this NIH policy document on ductless hoods. It is from 2005. That is where I got the NFPA reference for NFPA 45. It is section 6.4.1.

http://www.ors.od.nih.gov/sr/dohs/Documents/DOHS%20Ductless%20Fume%20Hoods%20Review_2007.pdf

Dan Crowl

Michigan Tech

On Tue, Mar 18, 2014 at 4:59 PM, Richard W. Denton <rwdenton3**At_Symbol_Here**gmail.com> wrote:

Hi everyone:
I was asked by my department to assist in deciding whether to purchase ductless fumehoods for our undergraduate chemistry labs. We are planning to use these for flammable solvents, and reactions involving HCl and NaOH. These hoods will be used by undergraduates for research also. Any input on the safety issues involved with these equipments versus the regular hoods would be appreciated.
-Richard (CHO)

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Re: [DCHAS-L] Ductless fumehoods or Not.

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