From: Jeff Tenney <Jeff.Tenney**At_Symbol_Here**SDMYERS.COM>
Subject: Re: [DCHAS-L] Nitric oxide and nitrogen dioxide cylinders
Date: Thu, 26 Feb 2015 01:21:20 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: B08465628BB05D4E9F4CD5F74ACA8F1F4B26D650**At_Symbol_Here**

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.



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
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,




Christopher E. Kohler

Laboratory Safety Manager

University Environmental Health and Safety

Indiana University

1514 E Third Street

Bloomington, IN 47405

(812) 855-5454



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