From: David C. Finster <dfinster**At_Symbol_Here**>
Subject: Re: [DCHAS-L] Liquid methane experiment in class
Date: Thu, 9 Apr 2015 15:27:12 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 7AB8F8BFE46C5446902F26C10EBF4AEA729311F3**At_Symbol_Here**
In-Reply-To <273BC16C-4B04-43E6-B8AA-06199123C235**At_Symbol_Here**>

....If I were the principal in this school I would fire the teacher immediately.


David C. Finster
Professor, Department of Chemistry
University Chemical Hygiene Officer
Wittenberg University

-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Secretary, ACS Division of Chemical Health and Safety
Sent: Thursday, April 09, 2015 10:18 AM
Subject: [DCHAS-L] Liquid methane experiment in class

I think DCHAS members may want to be aware of this in case they have people who like to emulate Internet videos in the organization...

This teacher leaves his students treating the floor like lava while leaving them in awe and he shows them what a little bit of liquid methane will do when lit on fire and poured onto the floor. Perhaps there's an opportunity to develop a Job Hazard Analysis of this demonstration...

- Ralph

Ralph Stuart
Division of Chemical Health and Safety
American Chemical Society

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