ASTM E620 - 11

    Standard Practice for Reporting Opinions of Scientific or Technical Experts

    Active Standard ASTM E620 | Developed by Subcommittee: E30.11

    Book of Standards Volume: 14.02


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    Significance and Use

    This practice establishes those elements of the expert's opinion report which will make the report understandable to the intended recipient and focus on the technical aspects germane to the purpose for which the opinion is rendered.

    1. Scope

    1.1 This practice covers the scope of information to be contained in formal written technical reports which express the opinions of the scientific or technical expert with respect to the study of items that are or may reasonably be expected to be the subject of criminal or civil litigation.

    1.2 If compliance with this standard is claimed, the justifications for any deviations from this standard must be documented.

    1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    E678 Practice for Evaluation of Scientific or Technical Data


    ICS Code

    ICS Number Code 03.160 (Law. Administration)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard

    DOI: 10.1520/E0620-11

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM E620-11, Standard Practice for Reporting Opinions of Scientific or Technical Experts, ASTM International, West Conshohocken, PA, 2011, www.astm.org

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