I knew that it did something to the ozone layer. I actually have not gone
through the site other than a cursory view. Saving it for rainy day viewing.

On the argument concerning in favor of it's use, I have about 4-5 of these
extinguishers. I have owned them for more than 10 years. In that period of
time, I used it once. They don't expire unlike most other extinguisher types.

Now assuming that I used some foam (or other type of chemical extinguisher)
for that engine fire, I would have had to clean or replace quite a bit of
those components. I wouldn't even know how or try to determine the
environmental impact of manufacturing, marketing, delivering those parts
would be. Then there's the fact that it would have had some additional
environmental impact had I chemical extinguishers recharged during my 10+
years of ownership.

Does that make any sense?

BenT