ASTM WK39147

    Work Item: ASTM WK39147 - Revision of D7520 - 09 Standard Test Method for Determining the Opacity of a Plume in the Outdoor Ambient Atmosphere

    Active Standard: D7520 - 13

    Developed by Subcommittee: D22.03 | Committee D22 | Contact Staff Manager

    1. Rationale

    Removal of 7 ft. stack limit via EPA 301 comparison studies, as well as, modernization to reflect current digital image and computing technology, e.g. mobile data collection, High Definition Recorders, IR and security cameras, geospatial and meteorological integration, data validation and verification. Further the standard needs clarification of roles and security required for managed services computing operation.


    digital camera; digital image; digital still camera; opacity;
    Citing ASTM Standards
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