DCHAS-L Archives, Feb 26 2015 - Re: [DCHAS-L] Nitric oxide and nitrogen dioxide cylinders

From: Laurence Doemeny <ldoemeny**At_Symbol_Here**COX.NET>
Subject: Re: [DCHAS-L] Nitric oxide and nitrogen dioxide cylinders
Date: Thu, 26 Feb 2015 09:47:22 -0800
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 006301d051ec$46580650$d30812f0$**At_Symbol_Here**net
In-Reply-To

Just to add to what Jeff Tenney said. Demurrage charges over time will overwhelm to cost of simply returning the cylinders for new product.

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Jeff Tenney
Sent: Wednesday, February 25, 2015 5:21 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Nitric oxide and nitrogen dioxide cylinders

Even though the material may not have a shelf-life, compressed gas cylinders onsite for a few years should be a concern. “Most” cylinders need to be retested every 5 years. We date cylinders when they arrive and try to make sure they are used or returned yearly.

Jeff

From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Kohler, Christopher E
Sent: Wednesday, February 25, 2015 3:43 PM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: [DCHAS-L] Nitric oxide and nitrogen dioxide cylinders

Greetings listers,

Has anyone ever heard of a limited shelf-life for cylinders of nitrogen dioxide or nitric oxide?

Both are toxic oxidizers.

Many thanks,

Chris

Christopher E. Kohler

Laboratory Safety Manager

University Environmental Health and Safety

Indiana University

1514 E Third Street

Bloomington, IN 47405

(812) 855-5454

cekohler**At_Symbol_Here**iu.edu

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