![]() ![]() Label each container with identifying information, including case number, date, exhibit number, a brief description including recovery location, and your name. Seal the container(s) with evidence tape. Place a comparison sample of unused sterile gauze in a separate quart or gallon metal can. Place the gauze in a quart or gallon metal can.Ĭollect samples of both the ignitable liquid and water layers, if present. Skim the surface of the liquid to absorb it. Open a new, unused, sterile cotton gauze pad suitable for skimming suspected ignitable liquid residue off the liquid's surface. ![]() ![]() To collect liquid using the absorption method: Using the same procedure, collect samples of both the ignitable liquid and water layers, if present. Never place a liquid sample directly into a metal can. Place the vial into a small metal can, cushioned with vermiculite. If a Teflon-lined cap is not available, place aluminum foil over the open vial top and screw the hard plastic cap down. Use a new, sterile eyedropper or disposable pipette to collect 2 milliliters (approximately 1/2 teaspoon) of the liquid into a glass vial, preferably with a Teflon-lined cap. To collect liquid using eyedropper method: Wear new, unused, clean latex or nitrile gloves and eye protection.Ĭhoose either the eyedropper method or absorption method. In containers that may have served as ignitable liquid containers that transported accelerant to the scene In an area where ignitable liquid may collect, such as the lowest point on the floor or at the base of a wallĮdge of a burn pattern or suspected pour pattern Within an area of ignitable liquid indicators, such as a suspected pour pattern Look for possible ignitable liquid pools: Most ignitable liquids float when in contact with water, as can happen in a fire scene when water is used for suppression, and can be collected off the surface of the water. ![]()
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