DCHAS-L Discussion List Archive
From: Yamaira Gonzalez <gonzalyi**At_Symbol_Here**YAHOO.COM>
Subject: [DCHAS-L] Guidelines for Changing Compressed Cylinders NFPA Health/Flammable Rating of 3 or 4
Date: Thu, 21 Apr 2016 11:13:21 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 1548986769.2617129.1461237201587.JavaMail.yahoo**At_Symbol_Here**mail.yahoo.com
In-Reply-To <00d301d189da$e21cf740$a656e5c0$**At_Symbol_Here**chemical-safety.com>
Good morning!
I've been asked to collect information on how many institutions have a policy or guideline in place requiring any or all of the compressed cylinders with NFPA health and/or flammability rating 3 or 4 to be changed at a certain time of the day and do you require/recommend 2 or 3 for conducting the process?
- For example, do you require H2, methane, propane or CO cylinders to be changed before 7:30am? How about for other chemicals like ammonia? Or silane, ...?
Thank you in advance for your response,
Yamy
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Yamaira I. Gonzalez, PhD
Laboratory Safety Coordinator
Chemical and Biomolecular Engineering Dept
University of Delaware
Newark, DE 19716
(302) 388-9368 (c)=E2=80=8B=E2=80=8B
(302) 831-1048 (f)
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