Quote Originally Posted by winger View Post
I have a large back yard (2 acres). I'm also working on rigging something up so I'll be standing a few feet away using a long match and not holding the neg. It does come in handy being the daughter of an engineer - something genetic in the thought processes, I think. Something for others to consider, though.

(And this is yet another time I miss being at the lab and having a fume hood handy, not to mention the chemicals).
I wouldn't sweat this. Just burn a small portion, collect the data, and move forward with whatever choice. Burning a small clip is not going to result in a toxic disaster or immediate risk.