All,

I’m posting this for Yamy Gonzelez who is having problems getting  to the list.  Respond to her (gonzalyi**At_Symbol_Here**yahoo.com), not to me, please.

Harry

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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 people for conducting the process? 

-    For example, do you require H2, methane, propane or CO cylinders to be changed before 7:30am? Or during normal working hrs? 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)

(302) 831-1048 (f)