ASTM WK73307

    Revision of D6866 - 20 Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis

    (What is a Work Item?)

    Active Standard: D6866 - 21

    Developed by Subcommittee: D20.96 | Committee D20 | Contact Staff Manager



    WK73307


    Keywords

    accelerator mass spectrometry; biobased; biogenic; bomb carbon; 14C (carbon-14); carbon dating; isotope ratio mass spectrometry; liquid scintillation counting; new carbon; old carbon; percent modern carbon;;

    Rationale

    Provide more calculation breaks for reporting results greater than 100% Biobased carbon effect. This is in paragraphs 22.7-22.10.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    06-17-2020

    Technical Contact:
    Ronald Hatfield

    Item:
    025

    Ballot:
    D20 (20-08)

    Status:
    Ballot Item Approved as D6866-2021 and Pending Publication