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ASTM International - ASTM E3254-23

Standard Practice for Use of Color in the Visual Examination and Forensic Comparison of Soil Samples

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Organization: ASTM International
Publication Date: 1 May 2023
Status: active
Page Count: 8
ICS Code (Forensic science): 07.140
ICS Code (Physicochemical methods of analysis): 71.040.50
ICS Code (Mineral materials and products): 91.100.15
significance And Use:

4.1 Color is an easily observable characteristic of soils and is integral to the taxonomic classifications of soils (6-8); factors including parent material, hydrology, vegetation, and... View More

scope:

1.1 This practice covers visual color determination of soil/geologic material within the context of a forensic examination and is intended for use by laboratory personnel.

1.1.1 This practice recommends use of soil color for: the initial screening of soil samples in forensic casework, prioritization of known soil exemplars for detailed analysis, and includes a test method for color determination in the Munsell color system and comparison among samples.

1.2 Units-Units in the Munsell color system are used throughout this document.

1.3 This practice is intended for use by competent forensic science practitioners with the requisite formal education, discipline-specific training (see Practice E2917), and demonstrated proficiency to perform forensic casework.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM E3254-23
May 1, 2023
Standard Practice for Use of Color in the Visual Examination and Forensic Comparison of Soil Samples
1.1 This practice covers visual color determination of soil/geologic material within the context of a forensic examination and is intended for use by laboratory personnel. 1.1.1 This practice...
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