Fire investigation
Published on Nov 26, 2015
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
FIRE INVESTIGATION
KRISTIN GRAY
Untitled Slide
Photo by young_einstein
CHEMISTRY OF FIRE
- For a fire to start : 1. A fuel must be present; 2. Oxygen must be available in sufficient quantity to combine with the fuel; 3. Heat must be applied to initiate the combustion, and sufficient heat must be generated to sustain the reaction.
Photo by mynameisharsha
SEARCHING THE FIRE SCENE
- Focus on the origin of where the fire started.
- Figure out how the fire was started.
- Normally, a fire has a tendency to move in an upward direction
- combustible liquids are rarely entirely consumed during a fire.
Photo by Just Us 3
COLLECTION AND PRESERVATIONOF ARSON EVIDENCE
- Traces of flammable liquid residues may be located with a vapor detector.
- search for ignitors
- To preserve fire evidence place in a sealed container.
- It is important that a sampling of similar but uncontaminated control specimens be collected.
Photo by danielito311
ANALYSIS OF FLAMMABLE RESIDUES
- To analyze one must follow step by step instructions
- You must take evidence carefully and place it into a safe container so no contamination can get to it.
Photo by Loving Earth
WORKS CITED
- http://quest.eb.com/search/149_2045644/1/149_2045644/cite
- http://quest.eb.com/search/138_1035540/1/138_1035540/cite
- FIRE. Photography. Encyclopædia Britannica ImageQuest. Web. 27 Mar 2015
