From: Monona Rossol <actsnyc**At_Symbol_Here**>
Subject: Re: [DCHAS-L] Ductless fumehoods or Not.
Date: Wed, 19 Mar 2014 12:34:21 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 8D111A8370C7F26-2B14-38349**At_Symbol_Here**

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

-----Original Message-----
From: Daniel Crowl <crowl**At_Symbol_Here**MTU.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.

Dan Crowl
Michigan Tech

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