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Subject: Re: [DCHAS-L] Occupancy sensors in laboratories
Date: Friday, April 11, 2014 12:24:48 PM
Author: Rita Kay Calhoun <r.calhoun**At_Symbol_Here**MOREHEADSTATE.EDU> 		Next by Date:
Subject: Re: [DCHAS-L] Occupancy sensors in laboratories
Date: Fri, 11 Apr 2014 16:43:36 +0000
Author: Ralph B. Stuart

From: Ralph B. Stuart <ralph.stuart**At_Symbol_Here**CORNELL.EDU>
Subject: [DCHAS-L] Dichloromethane storage?
Date: Fri, 11 Apr 2014 16:39:10 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: fa194e2e1f4e4ac0a4a45f0e62320de0**At_Symbol_Here**DM2PR04MB750.namprd04.prod.outlook.com


A lab tech noticed a statement on a Dichloromethane bottle that said "store under an inert gas". He would like to know if this is a safety recommendation or designed to maintain the quality of the chemical by avoiding exposure to environmental gases. From what I can find, it appears to be the latter, but I thought I would ask DCHAS-L to see if anyone knows of a safety reason for this recommendation.

Thanks for any help with this.

- Ralph


Ralph Stuart CIH
Chemical Hygiene Officer
Department of Environmental Health and Safety
Cornell University

rstuart**At_Symbol_Here**cornell.edu

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