Date: Tue, 10 Jan 2012 10:21:14 -0500
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From: Rita Kay Calhoun <r.calhoun**At_Symbol_Here**MOREHEADSTATE.EDU>
Subject: Re: Door swing in NMR room?
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Ralph,
	I don't know about a regulation, but we do have the doors to our labs opening out into the hall so that if there is an emergency, the exit can't be blocked by a rush of people.

Kay

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**med.cornell.edu] On Behalf Of Ralph B Stuart
Sent: Tuesday, January 10, 2012 9:55 AM
To: DCHAS-L**At_Symbol_Here**med.cornell.edu
Subject: [DCHAS-L] Door swing in NMR room?

A question has arisen here with regard to the direction of the entrance door swing in a room containing an NMR. Some people have suggested that due to the asphyxiation potential of a quenching of the instrument, the door should swing out of the room into hallway. Does anyone know of a regulatory requirement for this or a reference that suggests that this be used as a best practice?

Thanks for any help with 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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