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Subject: Chemical Safety headlines from Google (20 articles)
Date: Wed, 7 Dec 2011 07:20:17 -0500
Author: "Secretary, ACS Division of Chemical Health and Safety" 		Next by Date:
Subject: Re: Isovaleryl chloride odor control
Date: Wed, 7 Dec 2011 09:15:26 -0500
Author: ILPI


Date: Wed, 7 Dec 2011 13:13:04 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sender: DCHAS-L Discussion List <dchas-l**At_Symbol_Here**med.cornell.edu>
From: Ralph B Stuart <rstuart**At_Symbol_Here**CORNELL.EDU>
Subject: Isovaleryl chloride odor control
X-To: "dchas-l**At_Symbol_Here**med.cornell.edu" 

I'm investigating a situation in which someone was working with isovaleryl chloride which led to an odor release that lasted for a week. After the material was extracted from the stock container with a syringe in a hood, it was used in a Schlenk line outside the hood. Preliminary examination of the hood with dry ice indicates that it's maintaining containment. The lab's general ventilation rate is high, as there are 10 feet of hood space in 700 square feet of floor space.

I wonder if anyone has experience with a similar situation that could help explain there the odor came from and why lasted so long?

Thanks for any information about this.

- Ralph

Ralph Stuart CIH
Laboratory Ventilation Specialist
Department of Environmental Health and Safety Cornell University

rstuart**At_Symbol_Here**cornell.edu

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