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ASTM E3255-20

ASTM E3255-20

Standard Practice for Quality Assurance of Forensic Science Service Providers Performing Forensic Chemical Analysis

2021-01-06 /Historical
Superseeded by:
Significance and Use:

4.1 These are minimum standards of quality assurance applicable to forensic science service providers performing forensic chemical analysis on evidence.

4.2 This practice is to be used by forensic science practitioners performing chemical analysis on evidence and reinforced by forensic science service provider management.


1.1 This practice discusses procedures for quality assurance of forensic science service providers performing forensic chemical analysis. This practice provides a framework of quality in the processing of evidence, including: maintaining a quality management system; personnel duties, qualifications, training, and education; facility considerations; evidence handling; analytical procedures; instrument and equipment performance; chemicals and reagents; casework documentation and reporting; proficiency and competency testing; method validation and verification; audits; deficiency of analysis; and documentation requirements. Annex A1 – Annex A3 provide additional procedures that are discipline-specific.

1.2 This practice cannot replace knowledge, skills, or abilities acquired through appropriate education, training, and experience (see Practice E2917), and is to be used in conjunction with professional judgment by individuals with such discipline-specific knowledge, skills, and abilities.

1.3 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.

1.4 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.

analytical procedures; audits; evidence analysis; forensic science service provider; method validation and verification; quality assurance;
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