Baloney. Show me one person who is confused as to what is meant by a "Comparison Sample" in a fire investigation context, and I'll show you someone with a room temperature I.Q.
Here's a definition: "a comparison sample is a sample used for comparison with another."
Pat Kennedy, CFEI, CFPS, MIFireE
Fire and Explosion Analyst
Sarasota, Florida
[
www.kennedy-fire.com]