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Subject: FW: AIHA Lab H&S Committee Website REQUEST FOR PARTICIPATION

Date: Jan 31, 2009 00:45 UTC

Author: Russell Vernon <russell.vernon**At_Symbol_Here**UCR.EDU>

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Subject: 3 Re: [DCHAS-L] LN2 and NMR

Date: Feb 2, 2009 01:36 UTC

Author: Suzanne Hamm <suzanne**At_Symbol_Here**POLYMERSOLUTIONS.COM>

From: Larry Wilkinson <lewilkinson**At_Symbol_Here**COX.NET>

Subject: 3 Re: [DCHAS-L] LN2 and NMR

Date: Feb 2, 2009 01:36 UTC

Reply-To: Larry Wilkinson <lewilkinson**At_Symbol_Here**COX.NET>

Message-ID: <legacy-2009-20090201@ilpi.com>

In-Reply-To:  

Demystify: 
I'm somewhat curious as to why anyone would not be using "flexible" (until it cools to LN2 temp) metal-clad cryogenic hoses for this service.  I would never recommend using "plain rubber tubing" to transfer LN2.  The cost of the appropriate personal protective equipment should not be an excuse for not using it.
 
Lawrence E. Wilkinson
(Industrial Chemist and ACS Member)

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