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

Date: Mar 19, 2014 15:37 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 16:34 UTC

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

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

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

Date: Mar 19, 2014 16:13 UTC

Reply-To: DCHAS-L

In-Reply-To:  

Demystify: 

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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