Known soil sample
known soil samples are intentionally collected, typically from crime scene or alternate locations, for comparison to a questioned soil sample.
Discussion—Soils are heterogeneous mixtures of organic matter and minerals that vary vertically with depth and horizontally across the landscape. Typically, a greater number of known soil samples are needed than manufactured materials to represent the range of variation (see Guide E3272). Reference sample and control sample are synonyms or sub-types of known soil samples.
Committee
Trace Materials
Date Added to Lexicon
Standard Source (Designation Number Title of Standard. Publisher, Place, Year.)
ANSI/ASTM E1732 Standard Terminology Relating to Forensic Science. ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428, 2025.
Source link
Reprinted, with permission, from ASTM E1732 Standard Terminology Relating to Forensic Science, copyright ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428. A copy of the complete standard is available from ASTM International, https://www.astm.org