10. A melted aluminum threshold is unusual in a "normal" fire, and tends to indicate the presence of ignitable liquids.
Myths That Have Been Largely Discredited, And Are Only Used By Those Profoundly Unaware Of The Science
1. "Crazed" glass, broken throughout, indicates that the glass was rapidly heated. Further, the size of the crazing can provide information about the origin.
2. The size and appearance of char blisters can provide information about what was burning, and how rapidly it was burning.
3. An unconfirmed canine alert constitutes valid evidence of an accelerant.
4. The temperature of a fire follows a "standard time-temperature curve."
5. The heat release rate of a fire can be predicted by knowing the weight of combustible fuels in a room.