A common discussion point on the list is "Why are they doing this demo this way?". There's an interesting blog post that discusses this on ChemEdX at
https://www.chemedx.org/blog/there-more-whoosh-bottle
There Is More to the Whoosh Bottle
I don't know if I would call this a Job Hazard Analysis, but the author does point to Sammye's recent article about Playing with Fire: Chemical Safety Expertise Required as a reminder about safety planning associated with the demo...
- 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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