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1.1 This guide is intended as an introduction to other standard guides for the forensic examination of pressure sensitive adhesive tape. It is intended to assist individuals who conduct forensic tape analyses in their evaluation, selection, and application of tests that can be of value to their examinations. This guide describes the construction and classification of various tapes and the methods to develop discriminatory information using an efficient order of testing. This standard provides an overview and guidance on the strengths and limitations of various techniques used in the analysis and comparison of pressure sensitive adhesive tapes. The goal is to provide a consistent approach to forensic tape analysis.
1.2 The forensic tape examiner addresses concerns such as sample size, complexity and condition of the sample, environmental effects, collection and packaging methods, and case/investigation specific issues. These factors require that the forensic tape examiner choose test methods, sample preparation schemes, testing sequences, and degree of sample alteration and consumption that are suitable to each specific case.
1.3 This standard is intended for use by competent forensic science practitioners with the requisite formal education, discipline-specific training (see Practice E2917, Practice E3233), and demonstrated proficiency to perform forensic casework.
1.4 The values stated in SI units are to be regarded as standard. Other units of measurement are included in this standard as applicable to industrial usage.
1.5 Some of the methods discussed in this guide involve the use of chemicals, temperatures, and radiation sources. 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.
1.6 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.
6.1 This guide is designed to assist the forensic tape examiner in selecting and organizing an analytical scheme for the analysis, comparison, and identification of tapes. The size and condition of the sample(s) influences the choice of analytical scheme. The evaluation and interpretation of the data for each technique is an important part of an analytical scheme but it is outside the scope of this guide. These will be addressed in other ASTM standards.
| SDO | ASTM: ASTM International |
| Document Number | E3260 |
| Publication Date | Jan. 1, 2021 |
| Language | en - English |
| Page Count | 11 |
| Revision Level | 21 |
| Supercedes | |
| Committee | E30.01 |
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