This is from a Safety/Environmental Awareness newsletter for businesses that I receive. Usually lots of fine-point technical/legal info, but it often addresses issues with broader applications. For those of you running 'alternative' fuels you might want to double-check to make sure your fire extinguisher is rated for whatever you're running.

http://www.ercweb.com/resources/viewreg.aspx?id=6775

Cya,
Robert