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Comparison Sample

In fire debris, (1) a sample of material collected from a fire scene which is, to the best of the collectors knowledge, similar with respect to relevant characteristics to a sample suspected of containing ignitable substance, but which is not expected to contain an ignitable substance; [A comparison sample should not be confused with a control sample.] (2) a sample of suspected ignitable substance submitted for the purpose of comparing with any ignitable substance separated from a debris sample.

Committee
Ignitable Liquids, Explosives & Gunshot Residue
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ASTM E3197-23 Standard Terminology Relating to Examination of Fire Debris. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2020. Source link
Reprinted, with permission, from ASTM, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard may be purchased from ASTM International, https://www.astm.org