Like everyone else I am at a loss as to why the warnings about the Rainbow demo do not seem to get to folks who need to here it. All I can do is on an individual bases. Any meeting I attend, professional, safety related, whatever I ask that anyone who knows  middle or highscool science teachers or has a student at that level to ask if they do it and provide my contact info. I have had calls from several teachers and most rewardingly a Superintendant of one of the largest SD's in the area.  It may not be much, but if it stops one incident its worth the time. I would recommend we all do this. Steve

h but if it stops one incident.

Sent from my Sprint Phone.

-------- Original message --------

From: "Stuart, Ralph" <Ralph.Stuart**At_Symbol_Here**KEENE.EDU>

Date: 11/24/2017 12:05 (GMT-05:00)

To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU

Subject: Re: [DCHAS-L] 'Large fireball' injures students in chemistry experiment gone wrong

>What is needed is common sense. Is this something that can be learned?

The question is where the common sense needs to be located. The NFPA has already laid out very explicit expectations for classroom chemical demonstrations that enable a prudent person to work safely. However, it's not clear to me that either the teachers (or other demonstrators in public spaces, such as museums, daycares or scout gatherings) are aware of this standard. In my opinion, school administrators need to be more curious about why not...

- Ralph

Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859

ralph.stuart**At_Symbol_Here**keene.edu

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